Added Singleton class to inherit as needed

plugins/git_clone/download.sh

@@ -1,20 +0,0 @@
-#!/bin/bash
-
-# . CONFIG.sh
-
-# set -o xtrace       ## To debug scripts
-# set -o errexit      ## To exit on error
-# set -o errunset     ## To exit if a variable is referenced but not set
-
-
-function main() {
-    cd "$(dirname "")"
-    echo "Working Dir: " $(pwd)
-
-    TARGETDIR="${1}"
-    LINK=`xclip -selection clipboard -o`
-
-    cd "${TARGETDIR}"
-    git clone "${LINK}"
-}
-main "$@";

plugins/git_clone/pexpect/ANSI.py

@@ -0,0 +1,351 @@
+'''This implements an ANSI (VT100) terminal emulator as a subclass of screen.
+
+PEXPECT LICENSE
+
+    This license is approved by the OSI and FSF as GPL-compatible.
+        http://opensource.org/licenses/isc-license.txt
+
+    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
+    PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
+    PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
+    COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+'''
+
+# references:
+#     http://en.wikipedia.org/wiki/ANSI_escape_code
+#     http://www.retards.org/terminals/vt102.html
+#     http://vt100.net/docs/vt102-ug/contents.html
+#     http://vt100.net/docs/vt220-rm/
+#     http://www.termsys.demon.co.uk/vtansi.htm
+
+from . import screen
+from . import FSM
+import string
+
+#
+# The 'Do.*' functions are helper functions for the ANSI class.
+#
+def DoEmit (fsm):
+
+    screen = fsm.memory[0]
+    screen.write_ch(fsm.input_symbol)
+
+def DoStartNumber (fsm):
+
+    fsm.memory.append (fsm.input_symbol)
+
+def DoBuildNumber (fsm):
+
+    ns = fsm.memory.pop()
+    ns = ns + fsm.input_symbol
+    fsm.memory.append (ns)
+
+def DoBackOne (fsm):
+
+    screen = fsm.memory[0]
+    screen.cursor_back ()
+
+def DoBack (fsm):
+
+    count = int(fsm.memory.pop())
+    screen = fsm.memory[0]
+    screen.cursor_back (count)
+
+def DoDownOne (fsm):
+
+    screen = fsm.memory[0]
+    screen.cursor_down ()
+
+def DoDown (fsm):
+
+    count = int(fsm.memory.pop())
+    screen = fsm.memory[0]
+    screen.cursor_down (count)
+
+def DoForwardOne (fsm):
+
+    screen = fsm.memory[0]
+    screen.cursor_forward ()
+
+def DoForward (fsm):
+
+    count = int(fsm.memory.pop())
+    screen = fsm.memory[0]
+    screen.cursor_forward (count)
+
+def DoUpReverse (fsm):
+
+    screen = fsm.memory[0]
+    screen.cursor_up_reverse()
+
+def DoUpOne (fsm):
+
+    screen = fsm.memory[0]
+    screen.cursor_up ()
+
+def DoUp (fsm):
+
+    count = int(fsm.memory.pop())
+    screen = fsm.memory[0]
+    screen.cursor_up (count)
+
+def DoHome (fsm):
+
+    c = int(fsm.memory.pop())
+    r = int(fsm.memory.pop())
+    screen = fsm.memory[0]
+    screen.cursor_home (r,c)
+
+def DoHomeOrigin (fsm):
+
+    c = 1
+    r = 1
+    screen = fsm.memory[0]
+    screen.cursor_home (r,c)
+
+def DoEraseDown (fsm):
+
+    screen = fsm.memory[0]
+    screen.erase_down()
+
+def DoErase (fsm):
+
+    arg = int(fsm.memory.pop())
+    screen = fsm.memory[0]
+    if arg == 0:
+        screen.erase_down()
+    elif arg == 1:
+        screen.erase_up()
+    elif arg == 2:
+        screen.erase_screen()
+
+def DoEraseEndOfLine (fsm):
+
+    screen = fsm.memory[0]
+    screen.erase_end_of_line()
+
+def DoEraseLine (fsm):
+
+    arg = int(fsm.memory.pop())
+    screen = fsm.memory[0]
+    if arg == 0:
+        screen.erase_end_of_line()
+    elif arg == 1:
+        screen.erase_start_of_line()
+    elif arg == 2:
+        screen.erase_line()
+
+def DoEnableScroll (fsm):
+
+    screen = fsm.memory[0]
+    screen.scroll_screen()
+
+def DoCursorSave (fsm):
+
+    screen = fsm.memory[0]
+    screen.cursor_save_attrs()
+
+def DoCursorRestore (fsm):
+
+    screen = fsm.memory[0]
+    screen.cursor_restore_attrs()
+
+def DoScrollRegion (fsm):
+
+    screen = fsm.memory[0]
+    r2 = int(fsm.memory.pop())
+    r1 = int(fsm.memory.pop())
+    screen.scroll_screen_rows (r1,r2)
+
+def DoMode (fsm):
+
+    screen = fsm.memory[0]
+    mode = fsm.memory.pop() # Should be 4
+    # screen.setReplaceMode ()
+
+def DoLog (fsm):
+
+    screen = fsm.memory[0]
+    fsm.memory = [screen]
+    fout = open ('log', 'a')
+    fout.write (fsm.input_symbol + ',' + fsm.current_state + '\n')
+    fout.close()
+
+class term (screen.screen):
+
+    '''This class is an abstract, generic terminal.
+    This does nothing. This is a placeholder that
+    provides a common base class for other terminals
+    such as an ANSI terminal. '''
+
+    def __init__ (self, r=24, c=80, *args, **kwargs):
+
+        screen.screen.__init__(self, r,c,*args,**kwargs)
+
+class ANSI (term):
+    '''This class implements an ANSI (VT100) terminal.
+    It is a stream filter that recognizes ANSI terminal
+    escape sequences and maintains the state of a screen object. '''
+
+    def __init__ (self, r=24,c=80,*args,**kwargs):
+
+        term.__init__(self,r,c,*args,**kwargs)
+
+        #self.screen = screen (24,80)
+        self.state = FSM.FSM ('INIT',[self])
+        self.state.set_default_transition (DoLog, 'INIT')
+        self.state.add_transition_any ('INIT', DoEmit, 'INIT')
+        self.state.add_transition ('\x1b', 'INIT', None, 'ESC')
+        self.state.add_transition_any ('ESC', DoLog, 'INIT')
+        self.state.add_transition ('(', 'ESC', None, 'G0SCS')
+        self.state.add_transition (')', 'ESC', None, 'G1SCS')
+        self.state.add_transition_list ('AB012', 'G0SCS', None, 'INIT')
+        self.state.add_transition_list ('AB012', 'G1SCS', None, 'INIT')
+        self.state.add_transition ('7', 'ESC', DoCursorSave, 'INIT')
+        self.state.add_transition ('8', 'ESC', DoCursorRestore, 'INIT')
+        self.state.add_transition ('M', 'ESC', DoUpReverse, 'INIT')
+        self.state.add_transition ('>', 'ESC', DoUpReverse, 'INIT')
+        self.state.add_transition ('<', 'ESC', DoUpReverse, 'INIT')
+        self.state.add_transition ('=', 'ESC', None, 'INIT') # Selects application keypad.
+        self.state.add_transition ('#', 'ESC', None, 'GRAPHICS_POUND')
+        self.state.add_transition_any ('GRAPHICS_POUND', None, 'INIT')
+        self.state.add_transition ('[', 'ESC', None, 'ELB')
+        # ELB means Escape Left Bracket. That is ^[[
+        self.state.add_transition ('H', 'ELB', DoHomeOrigin, 'INIT')
+        self.state.add_transition ('D', 'ELB', DoBackOne, 'INIT')
+        self.state.add_transition ('B', 'ELB', DoDownOne, 'INIT')
+        self.state.add_transition ('C', 'ELB', DoForwardOne, 'INIT')
+        self.state.add_transition ('A', 'ELB', DoUpOne, 'INIT')
+        self.state.add_transition ('J', 'ELB', DoEraseDown, 'INIT')
+        self.state.add_transition ('K', 'ELB', DoEraseEndOfLine, 'INIT')
+        self.state.add_transition ('r', 'ELB', DoEnableScroll, 'INIT')
+        self.state.add_transition ('m', 'ELB', self.do_sgr, 'INIT')
+        self.state.add_transition ('?', 'ELB', None, 'MODECRAP')
+        self.state.add_transition_list (string.digits, 'ELB', DoStartNumber, 'NUMBER_1')
+        self.state.add_transition_list (string.digits, 'NUMBER_1', DoBuildNumber, 'NUMBER_1')
+        self.state.add_transition ('D', 'NUMBER_1', DoBack, 'INIT')
+        self.state.add_transition ('B', 'NUMBER_1', DoDown, 'INIT')
+        self.state.add_transition ('C', 'NUMBER_1', DoForward, 'INIT')
+        self.state.add_transition ('A', 'NUMBER_1', DoUp, 'INIT')
+        self.state.add_transition ('J', 'NUMBER_1', DoErase, 'INIT')
+        self.state.add_transition ('K', 'NUMBER_1', DoEraseLine, 'INIT')
+        self.state.add_transition ('l', 'NUMBER_1', DoMode, 'INIT')
+        ### It gets worse... the 'm' code can have infinite number of
+        ### number;number;number before it. I've never seen more than two,
+        ### but the specs say it's allowed. crap!
+        self.state.add_transition ('m', 'NUMBER_1', self.do_sgr, 'INIT')
+        ### LED control. Same implementation problem as 'm' code.
+        self.state.add_transition ('q', 'NUMBER_1', self.do_decsca, 'INIT')
+
+        # \E[?47h switch to alternate screen
+        # \E[?47l restores to normal screen from alternate screen.
+        self.state.add_transition_list (string.digits, 'MODECRAP', DoStartNumber, 'MODECRAP_NUM')
+        self.state.add_transition_list (string.digits, 'MODECRAP_NUM', DoBuildNumber, 'MODECRAP_NUM')
+        self.state.add_transition ('l', 'MODECRAP_NUM', self.do_modecrap, 'INIT')
+        self.state.add_transition ('h', 'MODECRAP_NUM', self.do_modecrap, 'INIT')
+
+#RM   Reset Mode                Esc [ Ps l                   none
+        self.state.add_transition (';', 'NUMBER_1', None, 'SEMICOLON')
+        self.state.add_transition_any ('SEMICOLON', DoLog, 'INIT')
+        self.state.add_transition_list (string.digits, 'SEMICOLON', DoStartNumber, 'NUMBER_2')
+        self.state.add_transition_list (string.digits, 'NUMBER_2', DoBuildNumber, 'NUMBER_2')
+        self.state.add_transition_any ('NUMBER_2', DoLog, 'INIT')
+        self.state.add_transition ('H', 'NUMBER_2', DoHome, 'INIT')
+        self.state.add_transition ('f', 'NUMBER_2', DoHome, 'INIT')
+        self.state.add_transition ('r', 'NUMBER_2', DoScrollRegion, 'INIT')
+        ### It gets worse... the 'm' code can have infinite number of
+        ### number;number;number before it. I've never seen more than two,
+        ### but the specs say it's allowed. crap!
+        self.state.add_transition ('m', 'NUMBER_2', self.do_sgr, 'INIT')
+        ### LED control. Same problem as 'm' code.
+        self.state.add_transition ('q', 'NUMBER_2', self.do_decsca, 'INIT')
+        self.state.add_transition (';', 'NUMBER_2', None, 'SEMICOLON_X')
+
+        # Create a state for 'q' and 'm' which allows an infinite number of ignored numbers
+        self.state.add_transition_any ('SEMICOLON_X', DoLog, 'INIT')
+        self.state.add_transition_list (string.digits, 'SEMICOLON_X', DoStartNumber, 'NUMBER_X')
+        self.state.add_transition_list (string.digits, 'NUMBER_X', DoBuildNumber, 'NUMBER_X')
+        self.state.add_transition_any ('NUMBER_X', DoLog, 'INIT')
+        self.state.add_transition ('m', 'NUMBER_X', self.do_sgr, 'INIT')
+        self.state.add_transition ('q', 'NUMBER_X', self.do_decsca, 'INIT')
+        self.state.add_transition (';', 'NUMBER_X', None, 'SEMICOLON_X')
+
+    def process (self, c):
+        """Process a single character. Called by :meth:`write`."""
+        if isinstance(c, bytes):
+            c = self._decode(c)
+        self.state.process(c)
+
+    def process_list (self, l):
+
+        self.write(l)
+
+    def write (self, s):
+        """Process text, writing it to the virtual screen while handling
+        ANSI escape codes.
+        """
+        if isinstance(s, bytes):
+            s = self._decode(s)
+        for c in s:
+            self.process(c)
+
+    def flush (self):
+        pass
+
+    def write_ch (self, ch):
+        '''This puts a character at the current cursor position. The cursor
+        position is moved forward with wrap-around, but no scrolling is done if
+        the cursor hits the lower-right corner of the screen. '''
+
+        if isinstance(ch, bytes):
+            ch = self._decode(ch)
+
+        #\r and \n both produce a call to cr() and lf(), respectively.
+        ch = ch[0]
+
+        if ch == u'\r':
+            self.cr()
+            return
+        if ch == u'\n':
+            self.crlf()
+            return
+        if ch == chr(screen.BS):
+            self.cursor_back()
+            return
+        self.put_abs(self.cur_r, self.cur_c, ch)
+        old_r = self.cur_r
+        old_c = self.cur_c
+        self.cursor_forward()
+        if old_c == self.cur_c:
+            self.cursor_down()
+            if old_r != self.cur_r:
+                self.cursor_home (self.cur_r, 1)
+            else:
+                self.scroll_up ()
+                self.cursor_home (self.cur_r, 1)
+                self.erase_line()
+
+    def do_sgr (self, fsm):
+        '''Select Graphic Rendition, e.g. color. '''
+        screen = fsm.memory[0]
+        fsm.memory = [screen]
+
+    def do_decsca (self, fsm):
+        '''Select character protection attribute. '''
+        screen = fsm.memory[0]
+        fsm.memory = [screen]
+
+    def do_modecrap (self, fsm):
+        '''Handler for \x1b[?<number>h and \x1b[?<number>l. If anyone
+        wanted to actually use these, they'd need to add more states to the
+        FSM rather than just improve or override this method. '''
+        screen = fsm.memory[0]
+        fsm.memory = [screen]

plugins/git_clone/pexpect/FSM.py

@@ -0,0 +1,334 @@
+#!/usr/bin/env python
+
+'''This module implements a Finite State Machine (FSM). In addition to state
+this FSM also maintains a user defined "memory". So this FSM can be used as a
+Push-down Automata (PDA) since a PDA is a FSM + memory.
+
+The following describes how the FSM works, but you will probably also need to
+see the example function to understand how the FSM is used in practice.
+
+You define an FSM by building tables of transitions. For a given input symbol
+the process() method uses these tables to decide what action to call and what
+the next state will be. The FSM has a table of transitions that associate:
+
+        (input_symbol, current_state) --> (action, next_state)
+
+Where "action" is a function you define. The symbols and states can be any
+objects. You use the add_transition() and add_transition_list() methods to add
+to the transition table. The FSM also has a table of transitions that
+associate:
+
+        (current_state) --> (action, next_state)
+
+You use the add_transition_any() method to add to this transition table. The
+FSM also has one default transition that is not associated with any specific
+input_symbol or state. You use the set_default_transition() method to set the
+default transition.
+
+When an action function is called it is passed a reference to the FSM. The
+action function may then access attributes of the FSM such as input_symbol,
+current_state, or "memory". The "memory" attribute can be any object that you
+want to pass along to the action functions. It is not used by the FSM itself.
+For parsing you would typically pass a list to be used as a stack.
+
+The processing sequence is as follows. The process() method is given an
+input_symbol to process. The FSM will search the table of transitions that
+associate:
+
+        (input_symbol, current_state) --> (action, next_state)
+
+If the pair (input_symbol, current_state) is found then process() will call the
+associated action function and then set the current state to the next_state.
+
+If the FSM cannot find a match for (input_symbol, current_state) it will then
+search the table of transitions that associate:
+
+        (current_state) --> (action, next_state)
+
+If the current_state is found then the process() method will call the
+associated action function and then set the current state to the next_state.
+Notice that this table lacks an input_symbol. It lets you define transitions
+for a current_state and ANY input_symbol. Hence, it is called the "any" table.
+Remember, it is always checked after first searching the table for a specific
+(input_symbol, current_state).
+
+For the case where the FSM did not match either of the previous two cases the
+FSM will try to use the default transition. If the default transition is
+defined then the process() method will call the associated action function and
+then set the current state to the next_state. This lets you define a default
+transition as a catch-all case. You can think of it as an exception handler.
+There can be only one default transition.
+
+Finally, if none of the previous cases are defined for an input_symbol and
+current_state then the FSM will raise an exception. This may be desirable, but
+you can always prevent this just by defining a default transition.
+
+Noah Spurrier 20020822
+
+PEXPECT LICENSE
+
+    This license is approved by the OSI and FSF as GPL-compatible.
+        http://opensource.org/licenses/isc-license.txt
+
+    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
+    PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
+    PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
+    COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+'''
+
+class ExceptionFSM(Exception):
+
+    '''This is the FSM Exception class.'''
+
+    def __init__(self, value):
+        self.value = value
+
+    def __str__(self):
+        return 'ExceptionFSM: ' + str(self.value)
+
+class FSM:
+
+    '''This is a Finite State Machine (FSM).
+    '''
+
+    def __init__(self, initial_state, memory=None):
+
+        '''This creates the FSM. You set the initial state here. The "memory"
+        attribute is any object that you want to pass along to the action
+        functions. It is not used by the FSM. For parsing you would typically
+        pass a list to be used as a stack. '''
+
+        # Map (input_symbol, current_state) --> (action, next_state).
+        self.state_transitions = {}
+        # Map (current_state) --> (action, next_state).
+        self.state_transitions_any = {}
+        self.default_transition = None
+
+        self.input_symbol = None
+        self.initial_state = initial_state
+        self.current_state = self.initial_state
+        self.next_state = None
+        self.action = None
+        self.memory = memory
+
+    def reset (self):
+
+        '''This sets the current_state to the initial_state and sets
+        input_symbol to None. The initial state was set by the constructor
+        __init__(). '''
+
+        self.current_state = self.initial_state
+        self.input_symbol = None
+
+    def add_transition (self, input_symbol, state, action=None, next_state=None):
+
+        '''This adds a transition that associates:
+
+                (input_symbol, current_state) --> (action, next_state)
+
+        The action may be set to None in which case the process() method will
+        ignore the action and only set the next_state. The next_state may be
+        set to None in which case the current state will be unchanged.
+
+        You can also set transitions for a list of symbols by using
+        add_transition_list(). '''
+
+        if next_state is None:
+            next_state = state
+        self.state_transitions[(input_symbol, state)] = (action, next_state)
+
+    def add_transition_list (self, list_input_symbols, state, action=None, next_state=None):
+
+        '''This adds the same transition for a list of input symbols.
+        You can pass a list or a string. Note that it is handy to use
+        string.digits, string.whitespace, string.letters, etc. to add
+        transitions that match character classes.
+
+        The action may be set to None in which case the process() method will
+        ignore the action and only set the next_state. The next_state may be
+        set to None in which case the current state will be unchanged. '''
+
+        if next_state is None:
+            next_state = state
+        for input_symbol in list_input_symbols:
+            self.add_transition (input_symbol, state, action, next_state)
+
+    def add_transition_any (self, state, action=None, next_state=None):
+
+        '''This adds a transition that associates:
+
+                (current_state) --> (action, next_state)
+
+        That is, any input symbol will match the current state.
+        The process() method checks the "any" state associations after it first
+        checks for an exact match of (input_symbol, current_state).
+
+        The action may be set to None in which case the process() method will
+        ignore the action and only set the next_state. The next_state may be
+        set to None in which case the current state will be unchanged. '''
+
+        if next_state is None:
+            next_state = state
+        self.state_transitions_any [state] = (action, next_state)
+
+    def set_default_transition (self, action, next_state):
+
+        '''This sets the default transition. This defines an action and
+        next_state if the FSM cannot find the input symbol and the current
+        state in the transition list and if the FSM cannot find the
+        current_state in the transition_any list. This is useful as a final
+        fall-through state for catching errors and undefined states.
+
+        The default transition can be removed by setting the attribute
+        default_transition to None. '''
+
+        self.default_transition = (action, next_state)
+
+    def get_transition (self, input_symbol, state):
+
+        '''This returns (action, next state) given an input_symbol and state.
+        This does not modify the FSM state, so calling this method has no side
+        effects. Normally you do not call this method directly. It is called by
+        process().
+
+        The sequence of steps to check for a defined transition goes from the
+        most specific to the least specific.
+
+        1. Check state_transitions[] that match exactly the tuple,
+            (input_symbol, state)
+
+        2. Check state_transitions_any[] that match (state)
+            In other words, match a specific state and ANY input_symbol.
+
+        3. Check if the default_transition is defined.
+            This catches any input_symbol and any state.
+            This is a handler for errors, undefined states, or defaults.
+
+        4. No transition was defined. If we get here then raise an exception.
+        '''
+
+        if (input_symbol, state) in self.state_transitions:
+            return self.state_transitions[(input_symbol, state)]
+        elif state in self.state_transitions_any:
+            return self.state_transitions_any[state]
+        elif self.default_transition is not None:
+            return self.default_transition
+        else:
+            raise ExceptionFSM ('Transition is undefined: (%s, %s).' %
+                (str(input_symbol), str(state)) )
+
+    def process (self, input_symbol):
+
+        '''This is the main method that you call to process input. This may
+        cause the FSM to change state and call an action. This method calls
+        get_transition() to find the action and next_state associated with the
+        input_symbol and current_state. If the action is None then the action
+        is not called and only the current state is changed. This method
+        processes one complete input symbol. You can process a list of symbols
+        (or a string) by calling process_list(). '''
+
+        self.input_symbol = input_symbol
+        (self.action, self.next_state) = self.get_transition (self.input_symbol, self.current_state)
+        if self.action is not None:
+            self.action (self)
+        self.current_state = self.next_state
+        self.next_state = None
+
+    def process_list (self, input_symbols):
+
+        '''This takes a list and sends each element to process(). The list may
+        be a string or any iterable object. '''
+
+        for s in input_symbols:
+            self.process (s)
+
+##############################################################################
+# The following is an example that demonstrates the use of the FSM class to
+# process an RPN expression. Run this module from the command line. You will
+# get a prompt > for input. Enter an RPN Expression. Numbers may be integers.
+# Operators are * / + - Use the = sign to evaluate and print the expression.
+# For example:
+#
+#    167 3 2 2 * * * 1 - =
+#
+# will print:
+#
+#    2003
+##############################################################################
+
+import sys
+import string
+
+PY3 = (sys.version_info[0] >= 3)
+
+#
+# These define the actions.
+# Note that "memory" is a list being used as a stack.
+#
+
+def BeginBuildNumber (fsm):
+    fsm.memory.append (fsm.input_symbol)
+
+def BuildNumber (fsm):
+    s = fsm.memory.pop ()
+    s = s + fsm.input_symbol
+    fsm.memory.append (s)
+
+def EndBuildNumber (fsm):
+    s = fsm.memory.pop ()
+    fsm.memory.append (int(s))
+
+def DoOperator (fsm):
+    ar = fsm.memory.pop()
+    al = fsm.memory.pop()
+    if fsm.input_symbol == '+':
+        fsm.memory.append (al + ar)
+    elif fsm.input_symbol == '-':
+        fsm.memory.append (al - ar)
+    elif fsm.input_symbol == '*':
+        fsm.memory.append (al * ar)
+    elif fsm.input_symbol == '/':
+        fsm.memory.append (al / ar)
+
+def DoEqual (fsm):
+    print(str(fsm.memory.pop()))
+
+def Error (fsm):
+    print('That does not compute.')
+    print(str(fsm.input_symbol))
+
+def main():
+
+    '''This is where the example starts and the FSM state transitions are
+    defined. Note that states are strings (such as 'INIT'). This is not
+    necessary, but it makes the example easier to read. '''
+
+    f = FSM ('INIT', [])
+    f.set_default_transition (Error, 'INIT')
+    f.add_transition_any  ('INIT', None, 'INIT')
+    f.add_transition      ('=',               'INIT',            DoEqual,          'INIT')
+    f.add_transition_list (string.digits,     'INIT',            BeginBuildNumber, 'BUILDING_NUMBER')
+    f.add_transition_list (string.digits,     'BUILDING_NUMBER', BuildNumber,      'BUILDING_NUMBER')
+    f.add_transition_list (string.whitespace, 'BUILDING_NUMBER', EndBuildNumber,   'INIT')
+    f.add_transition_list ('+-*/',            'INIT',            DoOperator,       'INIT')
+
+    print()
+    print('Enter an RPN Expression.')
+    print('Numbers may be integers. Operators are * / + -')
+    print('Use the = sign to evaluate and print the expression.')
+    print('For example: ')
+    print('    167 3 2 2 * * * 1 - =')
+    inputstr = (input if PY3 else raw_input)('> ')  # analysis:ignore
+    f.process_list(inputstr)
+
+
+if __name__ == '__main__':
+    main()

plugins/git_clone/pexpect/LICENSE

@@ -0,0 +1,20 @@
+ISC LICENSE
+
+    This license is approved by the OSI and FSF as GPL-compatible.
+        http://opensource.org/licenses/isc-license.txt
+
+    Copyright (c) 2013-2014, Pexpect development team
+    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose with or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+    
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+

plugins/git_clone/pexpect/__init__.py

@@ -0,0 +1,85 @@
+'''Pexpect is a Python module for spawning child applications and controlling
+them automatically. Pexpect can be used for automating interactive applications
+such as ssh, ftp, passwd, telnet, etc. It can be used to a automate setup
+scripts for duplicating software package installations on different servers. It
+can be used for automated software testing. Pexpect is in the spirit of Don
+Libes' Expect, but Pexpect is pure Python. Other Expect-like modules for Python
+require TCL and Expect or require C extensions to be compiled. Pexpect does not
+use C, Expect, or TCL extensions. It should work on any platform that supports
+the standard Python pty module. The Pexpect interface focuses on ease of use so
+that simple tasks are easy.
+
+There are two main interfaces to the Pexpect system; these are the function,
+run() and the class, spawn. The spawn class is more powerful. The run()
+function is simpler than spawn, and is good for quickly calling program. When
+you call the run() function it executes a given program and then returns the
+output. This is a handy replacement for os.system().
+
+For example::
+
+    pexpect.run('ls -la')
+
+The spawn class is the more powerful interface to the Pexpect system. You can
+use this to spawn a child program then interact with it by sending input and
+expecting responses (waiting for patterns in the child's output).
+
+For example::
+
+    child = pexpect.spawn('scp foo user@example.com:.')
+    child.expect('Password:')
+    child.sendline(mypassword)
+
+This works even for commands that ask for passwords or other input outside of
+the normal stdio streams. For example, ssh reads input directly from the TTY
+device which bypasses stdin.
+
+Credits: Noah Spurrier, Richard Holden, Marco Molteni, Kimberley Burchett,
+Robert Stone, Hartmut Goebel, Chad Schroeder, Erick Tryzelaar, Dave Kirby, Ids
+vander Molen, George Todd, Noel Taylor, Nicolas D. Cesar, Alexander Gattin,
+Jacques-Etienne Baudoux, Geoffrey Marshall, Francisco Lourenco, Glen Mabey,
+Karthik Gurusamy, Fernando Perez, Corey Minyard, Jon Cohen, Guillaume
+Chazarain, Andrew Ryan, Nick Craig-Wood, Andrew Stone, Jorgen Grahn, John
+Spiegel, Jan Grant, and Shane Kerr. Let me know if I forgot anyone.
+
+Pexpect is free, open source, and all that good stuff.
+http://pexpect.sourceforge.net/
+
+PEXPECT LICENSE
+
+    This license is approved by the OSI and FSF as GPL-compatible.
+        http://opensource.org/licenses/isc-license.txt
+
+    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
+    PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
+    PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
+    COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+'''
+
+import sys
+PY3 = (sys.version_info[0] >= 3)
+
+from .exceptions import ExceptionPexpect, EOF, TIMEOUT
+from .utils import split_command_line, which, is_executable_file
+from .expect import Expecter, searcher_re, searcher_string
+
+if sys.platform != 'win32':
+    # On Unix, these are available at the top level for backwards compatibility
+    from .pty_spawn import spawn, spawnu
+    from .run import run, runu
+
+__version__ = '4.8.0'
+__revision__ = ''
+__all__ = ['ExceptionPexpect', 'EOF', 'TIMEOUT', 'spawn', 'spawnu', 'run', 'runu',
+           'which', 'split_command_line', '__version__', '__revision__']
+
+
+
+# vim: set shiftround expandtab tabstop=4 shiftwidth=4 ft=python autoindent :

plugins/git_clone/pexpect/_async.py

@@ -0,0 +1,103 @@
+import asyncio
+import errno
+import signal
+
+from pexpect import EOF
+
+@asyncio.coroutine
+def expect_async(expecter, timeout=None):
+    # First process data that was previously read - if it maches, we don't need
+    # async stuff.
+    idx = expecter.existing_data()
+    if idx is not None:
+        return idx
+    if not expecter.spawn.async_pw_transport:
+        pw = PatternWaiter()
+        pw.set_expecter(expecter)
+        transport, pw = yield from asyncio.get_event_loop()\
+            .connect_read_pipe(lambda: pw, expecter.spawn)
+        expecter.spawn.async_pw_transport = pw, transport
+    else:
+        pw, transport = expecter.spawn.async_pw_transport
+        pw.set_expecter(expecter)
+        transport.resume_reading()
+    try:
+        return (yield from asyncio.wait_for(pw.fut, timeout))
+    except asyncio.TimeoutError as e:
+        transport.pause_reading()
+        return expecter.timeout(e)
+
+@asyncio.coroutine
+def repl_run_command_async(repl, cmdlines, timeout=-1):
+    res = []
+    repl.child.sendline(cmdlines[0])
+    for line in cmdlines[1:]:
+        yield from repl._expect_prompt(timeout=timeout, async_=True)
+        res.append(repl.child.before)
+        repl.child.sendline(line)
+
+    # Command was fully submitted, now wait for the next prompt
+    prompt_idx = yield from repl._expect_prompt(timeout=timeout, async_=True)
+    if prompt_idx == 1:
+        # We got the continuation prompt - command was incomplete
+        repl.child.kill(signal.SIGINT)
+        yield from repl._expect_prompt(timeout=1, async_=True)
+        raise ValueError("Continuation prompt found - input was incomplete:")
+    return u''.join(res + [repl.child.before])
+
+class PatternWaiter(asyncio.Protocol):
+    transport = None
+
+    def set_expecter(self, expecter):
+        self.expecter = expecter
+        self.fut = asyncio.Future()
+
+    def found(self, result):
+        if not self.fut.done():
+            self.fut.set_result(result)
+            self.transport.pause_reading()
+
+    def error(self, exc):
+        if not self.fut.done():
+            self.fut.set_exception(exc)
+            self.transport.pause_reading()
+
+    def connection_made(self, transport):
+        self.transport = transport
+
+    def data_received(self, data):
+        spawn = self.expecter.spawn
+        s = spawn._decoder.decode(data)
+        spawn._log(s, 'read')
+
+        if self.fut.done():
+            spawn._before.write(s)
+            spawn._buffer.write(s)
+            return
+
+        try:
+            index = self.expecter.new_data(s)
+            if index is not None:
+                # Found a match
+                self.found(index)
+        except Exception as e:
+            self.expecter.errored()
+            self.error(e)
+
+    def eof_received(self):
+        # N.B. If this gets called, async will close the pipe (the spawn object)
+        # for us
+        try:
+            self.expecter.spawn.flag_eof = True
+            index = self.expecter.eof()
+        except EOF as e:
+            self.error(e)
+        else:
+            self.found(index)
+
+    def connection_lost(self, exc):
+        if isinstance(exc, OSError) and exc.errno == errno.EIO:
+            # We may get here without eof_received being called, e.g on Linux
+            self.eof_received()
+        elif exc is not None:
+            self.error(exc)

plugins/git_clone/pexpect/bashrc.sh

@@ -0,0 +1,16 @@
+# Different platforms have different names for the systemwide bashrc
+if [[ -f /etc/bashrc ]]; then
+  source /etc/bashrc
+fi
+if [[ -f /etc/bash.bashrc ]]; then
+  source /etc/bash.bashrc
+fi
+if [[ -f ~/.bashrc ]]; then
+  source ~/.bashrc
+fi
+
+# Reset PS1 so pexpect can find it
+PS1="$"
+
+# Unset PROMPT_COMMAND, so that it can't change PS1 to something unexpected.
+unset PROMPT_COMMAND

plugins/git_clone/pexpect/exceptions.py

@@ -0,0 +1,35 @@
+"""Exception classes used by Pexpect"""
+
+import traceback
+import sys
+
+class ExceptionPexpect(Exception):
+    '''Base class for all exceptions raised by this module.
+    '''
+
+    def __init__(self, value):
+        super(ExceptionPexpect, self).__init__(value)
+        self.value = value
+
+    def __str__(self):
+        return str(self.value)
+
+    def get_trace(self):
+        '''This returns an abbreviated stack trace with lines that only concern
+        the caller. In other words, the stack trace inside the Pexpect module
+        is not included. '''
+
+        tblist = traceback.extract_tb(sys.exc_info()[2])
+        tblist = [item for item in tblist if ('pexpect/__init__' not in item[0])
+                                           and ('pexpect/expect' not in item[0])]
+        tblist = traceback.format_list(tblist)
+        return ''.join(tblist)
+
+
+class EOF(ExceptionPexpect):
+    '''Raised when EOF is read from a child.
+    This usually means the child has exited.'''
+
+
+class TIMEOUT(ExceptionPexpect):
+    '''Raised when a read time exceeds the timeout. '''

plugins/git_clone/pexpect/expect.py

@@ -0,0 +1,371 @@
+import time
+
+from .exceptions import EOF, TIMEOUT
+
+class Expecter(object):
+    def __init__(self, spawn, searcher, searchwindowsize=-1):
+        self.spawn = spawn
+        self.searcher = searcher
+        # A value of -1 means to use the figure from spawn, which should
+        # be None or a positive number.
+        if searchwindowsize == -1:
+            searchwindowsize = spawn.searchwindowsize
+        self.searchwindowsize = searchwindowsize
+        self.lookback = None
+        if hasattr(searcher, 'longest_string'):
+            self.lookback = searcher.longest_string
+
+    def do_search(self, window, freshlen):
+        spawn = self.spawn
+        searcher = self.searcher
+        if freshlen > len(window):
+            freshlen = len(window)
+        index = searcher.search(window, freshlen, self.searchwindowsize)
+        if index >= 0:
+            spawn._buffer = spawn.buffer_type()
+            spawn._buffer.write(window[searcher.end:])
+            spawn.before = spawn._before.getvalue()[
+                0:-(len(window) - searcher.start)]
+            spawn._before = spawn.buffer_type()
+            spawn._before.write(window[searcher.end:])
+            spawn.after = window[searcher.start:searcher.end]
+            spawn.match = searcher.match
+            spawn.match_index = index
+            # Found a match
+            return index
+        elif self.searchwindowsize or self.lookback:
+            maintain = self.searchwindowsize or self.lookback
+            if spawn._buffer.tell() > maintain:
+                spawn._buffer = spawn.buffer_type()
+                spawn._buffer.write(window[-maintain:])
+
+    def existing_data(self):
+        # First call from a new call to expect_loop or expect_async.
+        # self.searchwindowsize may have changed.
+        # Treat all data as fresh.
+        spawn = self.spawn
+        before_len = spawn._before.tell()
+        buf_len = spawn._buffer.tell()
+        freshlen = before_len
+        if before_len > buf_len:
+            if not self.searchwindowsize:
+                spawn._buffer = spawn.buffer_type()
+                window = spawn._before.getvalue()
+                spawn._buffer.write(window)
+            elif buf_len < self.searchwindowsize:
+                spawn._buffer = spawn.buffer_type()
+                spawn._before.seek(
+                    max(0, before_len - self.searchwindowsize))
+                window = spawn._before.read()
+                spawn._buffer.write(window)
+            else:
+                spawn._buffer.seek(max(0, buf_len - self.searchwindowsize))
+                window = spawn._buffer.read()
+        else:
+            if self.searchwindowsize:
+                spawn._buffer.seek(max(0, buf_len - self.searchwindowsize))
+                window = spawn._buffer.read()
+            else:
+                window = spawn._buffer.getvalue()
+        return self.do_search(window, freshlen)
+
+    def new_data(self, data):
+        # A subsequent call, after a call to existing_data.
+        spawn = self.spawn
+        freshlen = len(data)
+        spawn._before.write(data)
+        if not self.searchwindowsize:
+            if self.lookback:
+                # search lookback + new data.
+                old_len = spawn._buffer.tell()
+                spawn._buffer.write(data)
+                spawn._buffer.seek(max(0, old_len - self.lookback))
+                window = spawn._buffer.read()
+            else:
+                # copy the whole buffer (really slow for large datasets).
+                spawn._buffer.write(data)
+                window = spawn.buffer
+        else:
+            if len(data) >= self.searchwindowsize or not spawn._buffer.tell():
+                window = data[-self.searchwindowsize:]
+                spawn._buffer = spawn.buffer_type()
+                spawn._buffer.write(window[-self.searchwindowsize:])
+            else:
+                spawn._buffer.write(data)
+                new_len = spawn._buffer.tell()
+                spawn._buffer.seek(max(0, new_len - self.searchwindowsize))
+                window = spawn._buffer.read()
+        return self.do_search(window, freshlen)
+
+    def eof(self, err=None):
+        spawn = self.spawn
+
+        spawn.before = spawn._before.getvalue()
+        spawn._buffer = spawn.buffer_type()
+        spawn._before = spawn.buffer_type()
+        spawn.after = EOF
+        index = self.searcher.eof_index
+        if index >= 0:
+            spawn.match = EOF
+            spawn.match_index = index
+            return index
+        else:
+            spawn.match = None
+            spawn.match_index = None
+            msg = str(spawn)
+            msg += '\nsearcher: %s' % self.searcher
+            if err is not None:
+                msg = str(err) + '\n' + msg
+
+            exc = EOF(msg)
+            exc.__cause__ = None # in Python 3.x we can use "raise exc from None"
+            raise exc
+
+    def timeout(self, err=None):
+        spawn = self.spawn
+
+        spawn.before = spawn._before.getvalue()
+        spawn.after = TIMEOUT
+        index = self.searcher.timeout_index
+        if index >= 0:
+            spawn.match = TIMEOUT
+            spawn.match_index = index
+            return index
+        else:
+            spawn.match = None
+            spawn.match_index = None
+            msg = str(spawn)
+            msg += '\nsearcher: %s' % self.searcher
+            if err is not None:
+                msg = str(err) + '\n' + msg
+
+            exc = TIMEOUT(msg)
+            exc.__cause__ = None    # in Python 3.x we can use "raise exc from None"
+            raise exc
+
+    def errored(self):
+        spawn = self.spawn
+        spawn.before = spawn._before.getvalue()
+        spawn.after = None
+        spawn.match = None
+        spawn.match_index = None
+
+    def expect_loop(self, timeout=-1):
+        """Blocking expect"""
+        spawn = self.spawn
+
+        if timeout is not None:
+            end_time = time.time() + timeout
+
+        try:
+            idx = self.existing_data()
+            if idx is not None:
+                return idx
+            while True:
+                # No match at this point
+                if (timeout is not None) and (timeout < 0):
+                    return self.timeout()
+                # Still have time left, so read more data
+                incoming = spawn.read_nonblocking(spawn.maxread, timeout)
+                if self.spawn.delayafterread is not None:
+                    time.sleep(self.spawn.delayafterread)
+                idx = self.new_data(incoming)
+                # Keep reading until exception or return.
+                if idx is not None:
+                    return idx
+                if timeout is not None:
+                    timeout = end_time - time.time()
+        except EOF as e:
+            return self.eof(e)
+        except TIMEOUT as e:
+            return self.timeout(e)
+        except:
+            self.errored()
+            raise
+
+
+class searcher_string(object):
+    '''This is a plain string search helper for the spawn.expect_any() method.
+    This helper class is for speed. For more powerful regex patterns
+    see the helper class, searcher_re.
+
+    Attributes:
+
+        eof_index     - index of EOF, or -1
+        timeout_index - index of TIMEOUT, or -1
+
+    After a successful match by the search() method the following attributes
+    are available:
+
+        start - index into the buffer, first byte of match
+        end   - index into the buffer, first byte after match
+        match - the matching string itself
+
+    '''
+
+    def __init__(self, strings):
+        '''This creates an instance of searcher_string. This argument 'strings'
+        may be a list; a sequence of strings; or the EOF or TIMEOUT types. '''
+
+        self.eof_index = -1
+        self.timeout_index = -1
+        self._strings = []
+        self.longest_string = 0
+        for n, s in enumerate(strings):
+            if s is EOF:
+                self.eof_index = n
+                continue
+            if s is TIMEOUT:
+                self.timeout_index = n
+                continue
+            self._strings.append((n, s))
+            if len(s) > self.longest_string:
+                self.longest_string = len(s)
+
+    def __str__(self):
+        '''This returns a human-readable string that represents the state of
+        the object.'''
+
+        ss = [(ns[0], '    %d: %r' % ns) for ns in self._strings]
+        ss.append((-1, 'searcher_string:'))
+        if self.eof_index >= 0:
+            ss.append((self.eof_index, '    %d: EOF' % self.eof_index))
+        if self.timeout_index >= 0:
+            ss.append((self.timeout_index,
+                '    %d: TIMEOUT' % self.timeout_index))
+        ss.sort()
+        ss = list(zip(*ss))[1]
+        return '\n'.join(ss)
+
+    def search(self, buffer, freshlen, searchwindowsize=None):
+        '''This searches 'buffer' for the first occurrence of one of the search
+        strings.  'freshlen' must indicate the number of bytes at the end of
+        'buffer' which have not been searched before. It helps to avoid
+        searching the same, possibly big, buffer over and over again.
+
+        See class spawn for the 'searchwindowsize' argument.
+
+        If there is a match this returns the index of that string, and sets
+        'start', 'end' and 'match'. Otherwise, this returns -1. '''
+
+        first_match = None
+
+        # 'freshlen' helps a lot here. Further optimizations could
+        # possibly include:
+        #
+        # using something like the Boyer-Moore Fast String Searching
+        # Algorithm; pre-compiling the search through a list of
+        # strings into something that can scan the input once to
+        # search for all N strings; realize that if we search for
+        # ['bar', 'baz'] and the input is '...foo' we need not bother
+        # rescanning until we've read three more bytes.
+        #
+        # Sadly, I don't know enough about this interesting topic. /grahn
+
+        for index, s in self._strings:
+            if searchwindowsize is None:
+                # the match, if any, can only be in the fresh data,
+                # or at the very end of the old data
+                offset = -(freshlen + len(s))
+            else:
+                # better obey searchwindowsize
+                offset = -searchwindowsize
+            n = buffer.find(s, offset)
+            if n >= 0 and (first_match is None or n < first_match):
+                first_match = n
+                best_index, best_match = index, s
+        if first_match is None:
+            return -1
+        self.match = best_match
+        self.start = first_match
+        self.end = self.start + len(self.match)
+        return best_index
+
+
+class searcher_re(object):
+    '''This is regular expression string search helper for the
+    spawn.expect_any() method. This helper class is for powerful
+    pattern matching. For speed, see the helper class, searcher_string.
+
+    Attributes:
+
+        eof_index     - index of EOF, or -1
+        timeout_index - index of TIMEOUT, or -1
+
+    After a successful match by the search() method the following attributes
+    are available:
+
+        start - index into the buffer, first byte of match
+        end   - index into the buffer, first byte after match
+        match - the re.match object returned by a successful re.search
+
+    '''
+
+    def __init__(self, patterns):
+        '''This creates an instance that searches for 'patterns' Where
+        'patterns' may be a list or other sequence of compiled regular
+        expressions, or the EOF or TIMEOUT types.'''
+
+        self.eof_index = -1
+        self.timeout_index = -1
+        self._searches = []
+        for n, s in enumerate(patterns):
+            if s is EOF:
+                self.eof_index = n
+                continue
+            if s is TIMEOUT:
+                self.timeout_index = n
+                continue
+            self._searches.append((n, s))
+
+    def __str__(self):
+        '''This returns a human-readable string that represents the state of
+        the object.'''
+
+        #ss = [(n, '    %d: re.compile("%s")' %
+        #    (n, repr(s.pattern))) for n, s in self._searches]
+        ss = list()
+        for n, s in self._searches:
+            ss.append((n, '    %d: re.compile(%r)' % (n, s.pattern)))
+        ss.append((-1, 'searcher_re:'))
+        if self.eof_index >= 0:
+            ss.append((self.eof_index, '    %d: EOF' % self.eof_index))
+        if self.timeout_index >= 0:
+            ss.append((self.timeout_index, '    %d: TIMEOUT' %
+                self.timeout_index))
+        ss.sort()
+        ss = list(zip(*ss))[1]
+        return '\n'.join(ss)
+
+    def search(self, buffer, freshlen, searchwindowsize=None):
+        '''This searches 'buffer' for the first occurrence of one of the regular
+        expressions. 'freshlen' must indicate the number of bytes at the end of
+        'buffer' which have not been searched before.
+
+        See class spawn for the 'searchwindowsize' argument.
+
+        If there is a match this returns the index of that string, and sets
+        'start', 'end' and 'match'. Otherwise, returns -1.'''
+
+        first_match = None
+        # 'freshlen' doesn't help here -- we cannot predict the
+        # length of a match, and the re module provides no help.
+        if searchwindowsize is None:
+            searchstart = 0
+        else:
+            searchstart = max(0, len(buffer) - searchwindowsize)
+        for index, s in self._searches:
+            match = s.search(buffer, searchstart)
+            if match is None:
+                continue
+            n = match.start()
+            if first_match is None or n < first_match:
+                first_match = n
+                the_match = match
+                best_index = index
+        if first_match is None:
+            return -1
+        self.start = first_match
+        self.match = the_match
+        self.end = self.match.end()
+        return best_index

plugins/git_clone/pexpect/fdpexpect.py

@@ -0,0 +1,148 @@
+'''This is like pexpect, but it will work with any file descriptor that you
+pass it. You are responsible for opening and close the file descriptor.
+This allows you to use Pexpect with sockets and named pipes (FIFOs).
+
+PEXPECT LICENSE
+
+    This license is approved by the OSI and FSF as GPL-compatible.
+        http://opensource.org/licenses/isc-license.txt
+
+    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
+    PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
+    PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
+    COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+'''
+
+from .spawnbase import SpawnBase
+from .exceptions import ExceptionPexpect, TIMEOUT
+from .utils import select_ignore_interrupts, poll_ignore_interrupts
+import os
+
+__all__ = ['fdspawn']
+
+class fdspawn(SpawnBase):
+    '''This is like pexpect.spawn but allows you to supply your own open file
+    descriptor. For example, you could use it to read through a file looking
+    for patterns, or to control a modem or serial device. '''
+
+    def __init__ (self, fd, args=None, timeout=30, maxread=2000, searchwindowsize=None,
+                  logfile=None, encoding=None, codec_errors='strict', use_poll=False):
+        '''This takes a file descriptor (an int) or an object that support the
+        fileno() method (returning an int). All Python file-like objects
+        support fileno(). '''
+
+        if type(fd) != type(0) and hasattr(fd, 'fileno'):
+            fd = fd.fileno()
+
+        if type(fd) != type(0):
+            raise ExceptionPexpect('The fd argument is not an int. If this is a command string then maybe you want to use pexpect.spawn.')
+
+        try: # make sure fd is a valid file descriptor
+            os.fstat(fd)
+        except OSError:
+            raise ExceptionPexpect('The fd argument is not a valid file descriptor.')
+
+        self.args = None
+        self.command = None
+        SpawnBase.__init__(self, timeout, maxread, searchwindowsize, logfile,
+                           encoding=encoding, codec_errors=codec_errors)
+        self.child_fd = fd
+        self.own_fd = False
+        self.closed = False
+        self.name = '<file descriptor %d>' % fd
+        self.use_poll = use_poll
+
+    def close (self):
+        """Close the file descriptor.
+
+        Calling this method a second time does nothing, but if the file
+        descriptor was closed elsewhere, :class:`OSError` will be raised.
+        """
+        if self.child_fd == -1:
+            return
+
+        self.flush()
+        os.close(self.child_fd)
+        self.child_fd = -1
+        self.closed = True
+
+    def isalive (self):
+        '''This checks if the file descriptor is still valid. If :func:`os.fstat`
+        does not raise an exception then we assume it is alive. '''
+
+        if self.child_fd == -1:
+            return False
+        try:
+            os.fstat(self.child_fd)
+            return True
+        except:
+            return False
+
+    def terminate (self, force=False):  # pragma: no cover
+        '''Deprecated and invalid. Just raises an exception.'''
+        raise ExceptionPexpect('This method is not valid for file descriptors.')
+
+    # These four methods are left around for backwards compatibility, but not
+    # documented as part of fdpexpect. You're encouraged to use os.write
+    # directly.
+    def send(self, s):
+        "Write to fd, return number of bytes written"
+        s = self._coerce_send_string(s)
+        self._log(s, 'send')
+
+        b = self._encoder.encode(s, final=False)
+        return os.write(self.child_fd, b)
+
+    def sendline(self, s):
+        "Write to fd with trailing newline, return number of bytes written"
+        s = self._coerce_send_string(s)
+        return self.send(s + self.linesep)
+
+    def write(self, s):
+        "Write to fd, return None"
+        self.send(s)
+
+    def writelines(self, sequence):
+        "Call self.write() for each item in sequence"
+        for s in sequence:
+            self.write(s)
+
+    def read_nonblocking(self, size=1, timeout=-1):
+        """
+        Read from the file descriptor and return the result as a string.
+
+        The read_nonblocking method of :class:`SpawnBase` assumes that a call
+        to os.read will not block (timeout parameter is ignored). This is not
+        the case for POSIX file-like objects such as sockets and serial ports.
+
+        Use :func:`select.select`, timeout is implemented conditionally for
+        POSIX systems.
+
+        :param int size: Read at most *size* bytes.
+        :param int timeout: Wait timeout seconds for file descriptor to be
+            ready to read. When -1 (default), use self.timeout. When 0, poll.
+        :return: String containing the bytes read
+        """
+        if os.name == 'posix':
+            if timeout == -1:
+                timeout = self.timeout
+            rlist = [self.child_fd]
+            wlist = []
+            xlist = []
+            if self.use_poll:
+                rlist = poll_ignore_interrupts(rlist, timeout)
+            else:
+                rlist, wlist, xlist = select_ignore_interrupts(
+                    rlist, wlist, xlist, timeout
+                )
+            if self.child_fd not in rlist:
+                raise TIMEOUT('Timeout exceeded.')
+        return super(fdspawn, self).read_nonblocking(size)

plugins/git_clone/pexpect/popen_spawn.py

@@ -0,0 +1,188 @@
+"""Provides an interface like pexpect.spawn interface using subprocess.Popen
+"""
+import os
+import threading
+import subprocess
+import sys
+import time
+import signal
+import shlex
+
+try:
+    from queue import Queue, Empty  # Python 3
+except ImportError:
+    from Queue import Queue, Empty  # Python 2
+
+from .spawnbase import SpawnBase, PY3
+from .exceptions import EOF
+from .utils import string_types
+
+class PopenSpawn(SpawnBase):
+    def __init__(self, cmd, timeout=30, maxread=2000, searchwindowsize=None,
+                 logfile=None, cwd=None, env=None, encoding=None,
+                 codec_errors='strict', preexec_fn=None):
+        super(PopenSpawn, self).__init__(timeout=timeout, maxread=maxread,
+                searchwindowsize=searchwindowsize, logfile=logfile,
+                encoding=encoding, codec_errors=codec_errors)
+
+        # Note that `SpawnBase` initializes `self.crlf` to `\r\n`
+        # because the default behaviour for a PTY is to convert
+        # incoming LF to `\r\n` (see the `onlcr` flag and
+        # https://stackoverflow.com/a/35887657/5397009). Here we set
+        # it to `os.linesep` because that is what the spawned
+        # application outputs by default and `popen` doesn't translate
+        # anything.
+        if encoding is None:
+            self.crlf = os.linesep.encode ("ascii")
+        else:
+            self.crlf = self.string_type (os.linesep)
+
+        kwargs = dict(bufsize=0, stdin=subprocess.PIPE,
+                      stderr=subprocess.STDOUT, stdout=subprocess.PIPE,
+                      cwd=cwd, preexec_fn=preexec_fn, env=env)
+
+        if sys.platform == 'win32':
+            startupinfo = subprocess.STARTUPINFO()
+            startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
+            kwargs['startupinfo'] = startupinfo
+            kwargs['creationflags'] = subprocess.CREATE_NEW_PROCESS_GROUP
+
+        if isinstance(cmd, string_types) and sys.platform != 'win32':
+            cmd = shlex.split(cmd, posix=os.name == 'posix')
+
+        self.proc = subprocess.Popen(cmd, **kwargs)
+        self.pid = self.proc.pid
+        self.closed = False
+        self._buf = self.string_type()
+
+        self._read_queue = Queue()
+        self._read_thread = threading.Thread(target=self._read_incoming)
+        self._read_thread.setDaemon(True)
+        self._read_thread.start()
+
+    _read_reached_eof = False
+
+    def read_nonblocking(self, size, timeout):
+        buf = self._buf
+        if self._read_reached_eof:
+            # We have already finished reading. Use up any buffered data,
+            # then raise EOF
+            if buf:
+                self._buf = buf[size:]
+                return buf[:size]
+            else:
+                self.flag_eof = True
+                raise EOF('End Of File (EOF).')
+
+        if timeout == -1:
+            timeout = self.timeout
+        elif timeout is None:
+            timeout = 1e6
+
+        t0 = time.time()
+        while (time.time() - t0) < timeout and size and len(buf) < size:
+            try:
+                incoming = self._read_queue.get_nowait()
+            except Empty:
+                break
+            else:
+                if incoming is None:
+                    self._read_reached_eof = True
+                    break
+
+                buf += self._decoder.decode(incoming, final=False)
+
+        r, self._buf = buf[:size], buf[size:]
+
+        self._log(r, 'read')
+        return r
+
+    def _read_incoming(self):
+        """Run in a thread to move output from a pipe to a queue."""
+        fileno = self.proc.stdout.fileno()
+        while 1:
+            buf = b''
+            try:
+                buf = os.read(fileno, 1024)
+            except OSError as e:
+                self._log(e, 'read')
+
+            if not buf:
+                # This indicates we have reached EOF
+                self._read_queue.put(None)
+                return
+
+            self._read_queue.put(buf)
+
+    def write(self, s):
+        '''This is similar to send() except that there is no return value.
+        '''
+        self.send(s)
+
+    def writelines(self, sequence):
+        '''This calls write() for each element in the sequence.
+
+        The sequence can be any iterable object producing strings, typically a
+        list of strings. This does not add line separators. There is no return
+        value.
+        '''
+        for s in sequence:
+            self.send(s)
+
+    def send(self, s):
+        '''Send data to the subprocess' stdin.
+
+        Returns the number of bytes written.
+        '''
+        s = self._coerce_send_string(s)
+        self._log(s, 'send')
+
+        b = self._encoder.encode(s, final=False)
+        if PY3:
+            return self.proc.stdin.write(b)
+        else:
+            # On Python 2, .write() returns None, so we return the length of
+            # bytes written ourselves. This assumes they all got written.
+            self.proc.stdin.write(b)
+            return len(b)
+
+    def sendline(self, s=''):
+        '''Wraps send(), sending string ``s`` to child process, with os.linesep
+        automatically appended. Returns number of bytes written. '''
+
+        n = self.send(s)
+        return n + self.send(self.linesep)
+
+    def wait(self):
+        '''Wait for the subprocess to finish.
+
+        Returns the exit code.
+        '''
+        status = self.proc.wait()
+        if status >= 0:
+            self.exitstatus = status
+            self.signalstatus = None
+        else:
+            self.exitstatus = None
+            self.signalstatus = -status
+        self.terminated = True
+        return status
+
+    def kill(self, sig):
+        '''Sends a Unix signal to the subprocess.
+
+        Use constants from the :mod:`signal` module to specify which signal.
+        '''
+        if sys.platform == 'win32':
+            if sig in [signal.SIGINT, signal.CTRL_C_EVENT]:
+                sig = signal.CTRL_C_EVENT
+            elif sig in [signal.SIGBREAK, signal.CTRL_BREAK_EVENT]:
+                sig = signal.CTRL_BREAK_EVENT
+            else:
+                sig = signal.SIGTERM
+
+        os.kill(self.proc.pid, sig)
+
+    def sendeof(self):
+        '''Closes the stdin pipe from the writing end.'''
+        self.proc.stdin.close()

plugins/git_clone/pexpect/pty_spawn.py

@@ -0,0 +1,860 @@
+import os
+import sys
+import time
+import pty
+import tty
+import errno
+import signal
+from contextlib import contextmanager
+
+from .ptyprocess import ptyprocess
+from .ptyprocess.ptyprocess import use_native_pty_fork
+
+from .exceptions import ExceptionPexpect, EOF, TIMEOUT
+from .spawnbase import SpawnBase
+from .utils import (
+    which, split_command_line, select_ignore_interrupts, poll_ignore_interrupts
+)
+
+@contextmanager
+def _wrap_ptyprocess_err():
+    """Turn ptyprocess errors into our own ExceptionPexpect errors"""
+    try:
+        yield
+    except ptyprocess.PtyProcessError as e:
+        raise ExceptionPexpect(*e.args)
+
+PY3 = (sys.version_info[0] >= 3)
+
+class spawn(SpawnBase):
+    '''This is the main class interface for Pexpect. Use this class to start
+    and control child applications. '''
+
+    # This is purely informational now - changing it has no effect
+    use_native_pty_fork = use_native_pty_fork
+
+    def __init__(self, command, args=[], timeout=30, maxread=2000,
+                 searchwindowsize=None, logfile=None, cwd=None, env=None,
+                 ignore_sighup=False, echo=True, preexec_fn=None,
+                 encoding=None, codec_errors='strict', dimensions=None,
+                 use_poll=False):
+        '''This is the constructor. The command parameter may be a string that
+        includes a command and any arguments to the command. For example::
+
+            child = pexpect.spawn('/usr/bin/ftp')
+            child = pexpect.spawn('/usr/bin/ssh user@example.com')
+            child = pexpect.spawn('ls -latr /tmp')
+
+        You may also construct it with a list of arguments like so::
+
+            child = pexpect.spawn('/usr/bin/ftp', [])
+            child = pexpect.spawn('/usr/bin/ssh', ['user@example.com'])
+            child = pexpect.spawn('ls', ['-latr', '/tmp'])
+
+        After this the child application will be created and will be ready to
+        talk to. For normal use, see expect() and send() and sendline().
+
+        Remember that Pexpect does NOT interpret shell meta characters such as
+        redirect, pipe, or wild cards (``>``, ``|``, or ``*``). This is a
+        common mistake.  If you want to run a command and pipe it through
+        another command then you must also start a shell. For example::
+
+            child = pexpect.spawn('/bin/bash -c "ls -l | grep LOG > logs.txt"')
+            child.expect(pexpect.EOF)
+
+        The second form of spawn (where you pass a list of arguments) is useful
+        in situations where you wish to spawn a command and pass it its own
+        argument list. This can make syntax more clear. For example, the
+        following is equivalent to the previous example::
+
+            shell_cmd = 'ls -l | grep LOG > logs.txt'
+            child = pexpect.spawn('/bin/bash', ['-c', shell_cmd])
+            child.expect(pexpect.EOF)
+
+        The maxread attribute sets the read buffer size. This is maximum number
+        of bytes that Pexpect will try to read from a TTY at one time. Setting
+        the maxread size to 1 will turn off buffering. Setting the maxread
+        value higher may help performance in cases where large amounts of
+        output are read back from the child. This feature is useful in
+        conjunction with searchwindowsize.
+
+        When the keyword argument *searchwindowsize* is None (default), the
+        full buffer is searched at each iteration of receiving incoming data.
+        The default number of bytes scanned at each iteration is very large
+        and may be reduced to collaterally reduce search cost.  After
+        :meth:`~.expect` returns, the full buffer attribute remains up to
+        size *maxread* irrespective of *searchwindowsize* value.
+
+        When the keyword argument ``timeout`` is specified as a number,
+        (default: *30*), then :class:`TIMEOUT` will be raised after the value
+        specified has elapsed, in seconds, for any of the :meth:`~.expect`
+        family of method calls.  When None, TIMEOUT will not be raised, and
+        :meth:`~.expect` may block indefinitely until match.
+
+
+        The logfile member turns on or off logging. All input and output will
+        be copied to the given file object. Set logfile to None to stop
+        logging. This is the default. Set logfile to sys.stdout to echo
+        everything to standard output. The logfile is flushed after each write.
+
+        Example log input and output to a file::
+
+            child = pexpect.spawn('some_command')
+            fout = open('mylog.txt','wb')
+            child.logfile = fout
+
+        Example log to stdout::
+
+            # In Python 2:
+            child = pexpect.spawn('some_command')
+            child.logfile = sys.stdout
+
+            # In Python 3, we'll use the ``encoding`` argument to decode data
+            # from the subprocess and handle it as unicode:
+            child = pexpect.spawn('some_command', encoding='utf-8')
+            child.logfile = sys.stdout
+
+        The logfile_read and logfile_send members can be used to separately log
+        the input from the child and output sent to the child. Sometimes you
+        don't want to see everything you write to the child. You only want to
+        log what the child sends back. For example::
+
+            child = pexpect.spawn('some_command')
+            child.logfile_read = sys.stdout
+
+        You will need to pass an encoding to spawn in the above code if you are
+        using Python 3.
+
+        To separately log output sent to the child use logfile_send::
+
+            child.logfile_send = fout
+
+        If ``ignore_sighup`` is True, the child process will ignore SIGHUP
+        signals. The default is False from Pexpect 4.0, meaning that SIGHUP
+        will be handled normally by the child.
+
+        The delaybeforesend helps overcome a weird behavior that many users
+        were experiencing. The typical problem was that a user would expect() a
+        "Password:" prompt and then immediately call sendline() to send the
+        password. The user would then see that their password was echoed back
+        to them. Passwords don't normally echo. The problem is caused by the
+        fact that most applications print out the "Password" prompt and then
+        turn off stdin echo, but if you send your password before the
+        application turned off echo, then you get your password echoed.
+        Normally this wouldn't be a problem when interacting with a human at a
+        real keyboard. If you introduce a slight delay just before writing then
+        this seems to clear up the problem. This was such a common problem for
+        many users that I decided that the default pexpect behavior should be
+        to sleep just before writing to the child application. 1/20th of a
+        second (50 ms) seems to be enough to clear up the problem. You can set
+        delaybeforesend to None to return to the old behavior.
+
+        Note that spawn is clever about finding commands on your path.
+        It uses the same logic that "which" uses to find executables.
+
+        If you wish to get the exit status of the child you must call the
+        close() method. The exit or signal status of the child will be stored
+        in self.exitstatus or self.signalstatus. If the child exited normally
+        then exitstatus will store the exit return code and signalstatus will
+        be None. If the child was terminated abnormally with a signal then
+        signalstatus will store the signal value and exitstatus will be None::
+
+            child = pexpect.spawn('some_command')
+            child.close()
+            print(child.exitstatus, child.signalstatus)
+
+        If you need more detail you can also read the self.status member which
+        stores the status returned by os.waitpid. You can interpret this using
+        os.WIFEXITED/os.WEXITSTATUS or os.WIFSIGNALED/os.TERMSIG.
+
+        The echo attribute may be set to False to disable echoing of input.
+        As a pseudo-terminal, all input echoed by the "keyboard" (send()
+        or sendline()) will be repeated to output.  For many cases, it is
+        not desirable to have echo enabled, and it may be later disabled
+        using setecho(False) followed by waitnoecho().  However, for some
+        platforms such as Solaris, this is not possible, and should be
+        disabled immediately on spawn.
+
+        If preexec_fn is given, it will be called in the child process before
+        launching the given command. This is useful to e.g. reset inherited
+        signal handlers.
+
+        The dimensions attribute specifies the size of the pseudo-terminal as
+        seen by the subprocess, and is specified as a two-entry tuple (rows,
+        columns). If this is unspecified, the defaults in ptyprocess will apply.
+
+        The use_poll attribute enables using select.poll() over select.select()
+        for socket handling. This is handy if your system could have > 1024 fds
+        '''
+        super(spawn, self).__init__(timeout=timeout, maxread=maxread, searchwindowsize=searchwindowsize,
+                                    logfile=logfile, encoding=encoding, codec_errors=codec_errors)
+        self.STDIN_FILENO = pty.STDIN_FILENO
+        self.STDOUT_FILENO = pty.STDOUT_FILENO
+        self.STDERR_FILENO = pty.STDERR_FILENO
+        self.str_last_chars = 100
+        self.cwd = cwd
+        self.env = env
+        self.echo = echo
+        self.ignore_sighup = ignore_sighup
+        self.__irix_hack = sys.platform.lower().startswith('irix')
+        if command is None:
+            self.command = None
+            self.args = None
+            self.name = '<pexpect factory incomplete>'
+        else:
+            self._spawn(command, args, preexec_fn, dimensions)
+        self.use_poll = use_poll
+
+    def __str__(self):
+        '''This returns a human-readable string that represents the state of
+        the object. '''
+
+        s = []
+        s.append(repr(self))
+        s.append('command: ' + str(self.command))
+        s.append('args: %r' % (self.args,))
+        s.append('buffer (last %s chars): %r' % (self.str_last_chars,self.buffer[-self.str_last_chars:]))
+        s.append('before (last %s chars): %r' % (self.str_last_chars,self.before[-self.str_last_chars:] if self.before else ''))
+        s.append('after: %r' % (self.after,))
+        s.append('match: %r' % (self.match,))
+        s.append('match_index: ' + str(self.match_index))
+        s.append('exitstatus: ' + str(self.exitstatus))
+        if hasattr(self, 'ptyproc'):
+            s.append('flag_eof: ' + str(self.flag_eof))
+        s.append('pid: ' + str(self.pid))
+        s.append('child_fd: ' + str(self.child_fd))
+        s.append('closed: ' + str(self.closed))
+        s.append('timeout: ' + str(self.timeout))
+        s.append('delimiter: ' + str(self.delimiter))
+        s.append('logfile: ' + str(self.logfile))
+        s.append('logfile_read: ' + str(self.logfile_read))
+        s.append('logfile_send: ' + str(self.logfile_send))
+        s.append('maxread: ' + str(self.maxread))
+        s.append('ignorecase: ' + str(self.ignorecase))
+        s.append('searchwindowsize: ' + str(self.searchwindowsize))
+        s.append('delaybeforesend: ' + str(self.delaybeforesend))
+        s.append('delayafterclose: ' + str(self.delayafterclose))
+        s.append('delayafterterminate: ' + str(self.delayafterterminate))
+        return '\n'.join(s)
+
+    def _spawn(self, command, args=[], preexec_fn=None, dimensions=None):
+        '''This starts the given command in a child process. This does all the
+        fork/exec type of stuff for a pty. This is called by __init__. If args
+        is empty then command will be parsed (split on spaces) and args will be
+        set to parsed arguments. '''
+
+        # The pid and child_fd of this object get set by this method.
+        # Note that it is difficult for this method to fail.
+        # You cannot detect if the child process cannot start.
+        # So the only way you can tell if the child process started
+        # or not is to try to read from the file descriptor. If you get
+        # EOF immediately then it means that the child is already dead.
+        # That may not necessarily be bad because you may have spawned a child
+        # that performs some task; creates no stdout output; and then dies.
+
+        # If command is an int type then it may represent a file descriptor.
+        if isinstance(command, type(0)):
+            raise ExceptionPexpect('Command is an int type. ' +
+                    'If this is a file descriptor then maybe you want to ' +
+                    'use fdpexpect.fdspawn which takes an existing ' +
+                    'file descriptor instead of a command string.')
+
+        if not isinstance(args, type([])):
+            raise TypeError('The argument, args, must be a list.')
+
+        if args == []:
+            self.args = split_command_line(command)
+            self.command = self.args[0]
+        else:
+            # Make a shallow copy of the args list.
+            self.args = args[:]
+            self.args.insert(0, command)
+            self.command = command
+
+        command_with_path = which(self.command, env=self.env)
+        if command_with_path is None:
+            raise ExceptionPexpect('The command was not found or was not ' +
+                    'executable: %s.' % self.command)
+        self.command = command_with_path
+        self.args[0] = self.command
+
+        self.name = '<' + ' '.join(self.args) + '>'
+
+        assert self.pid is None, 'The pid member must be None.'
+        assert self.command is not None, 'The command member must not be None.'
+
+        kwargs = {'echo': self.echo, 'preexec_fn': preexec_fn}
+        if self.ignore_sighup:
+            def preexec_wrapper():
+                "Set SIGHUP to be ignored, then call the real preexec_fn"
+                signal.signal(signal.SIGHUP, signal.SIG_IGN)
+                if preexec_fn is not None:
+                    preexec_fn()
+            kwargs['preexec_fn'] = preexec_wrapper
+
+        if dimensions is not None:
+            kwargs['dimensions'] = dimensions
+
+        if self.encoding is not None:
+            # Encode command line using the specified encoding
+            self.args = [a if isinstance(a, bytes) else a.encode(self.encoding)
+                         for a in self.args]
+
+        self.ptyproc = self._spawnpty(self.args, env=self.env,
+                                     cwd=self.cwd, **kwargs)
+
+        self.pid = self.ptyproc.pid
+        self.child_fd = self.ptyproc.fd
+
+
+        self.terminated = False
+        self.closed = False
+
+    def _spawnpty(self, args, **kwargs):
+        '''Spawn a pty and return an instance of PtyProcess.'''
+        return ptyprocess.PtyProcess.spawn(args, **kwargs)
+
+    def close(self, force=True):
+        '''This closes the connection with the child application. Note that
+        calling close() more than once is valid. This emulates standard Python
+        behavior with files. Set force to True if you want to make sure that
+        the child is terminated (SIGKILL is sent if the child ignores SIGHUP
+        and SIGINT). '''
+
+        self.flush()
+        with _wrap_ptyprocess_err():
+            # PtyProcessError may be raised if it is not possible to terminate
+            # the child.
+            self.ptyproc.close(force=force)
+        self.isalive()  # Update exit status from ptyproc
+        self.child_fd = -1
+        self.closed = True
+
+    def isatty(self):
+        '''This returns True if the file descriptor is open and connected to a
+        tty(-like) device, else False.
+
+        On SVR4-style platforms implementing streams, such as SunOS and HP-UX,
+        the child pty may not appear as a terminal device.  This means
+        methods such as setecho(), setwinsize(), getwinsize() may raise an
+        IOError. '''
+
+        return os.isatty(self.child_fd)
+
+    def waitnoecho(self, timeout=-1):
+        '''This waits until the terminal ECHO flag is set False. This returns
+        True if the echo mode is off. This returns False if the ECHO flag was
+        not set False before the timeout. This can be used to detect when the
+        child is waiting for a password. Usually a child application will turn
+        off echo mode when it is waiting for the user to enter a password. For
+        example, instead of expecting the "password:" prompt you can wait for
+        the child to set ECHO off::
+
+            p = pexpect.spawn('ssh user@example.com')
+            p.waitnoecho()
+            p.sendline(mypassword)
+
+        If timeout==-1 then this method will use the value in self.timeout.
+        If timeout==None then this method to block until ECHO flag is False.
+        '''
+
+        if timeout == -1:
+            timeout = self.timeout
+        if timeout is not None:
+            end_time = time.time() + timeout
+        while True:
+            if not self.getecho():
+                return True
+            if timeout < 0 and timeout is not None:
+                return False
+            if timeout is not None:
+                timeout = end_time - time.time()
+            time.sleep(0.1)
+
+    def getecho(self):
+        '''This returns the terminal echo mode. This returns True if echo is
+        on or False if echo is off. Child applications that are expecting you
+        to enter a password often set ECHO False. See waitnoecho().
+
+        Not supported on platforms where ``isatty()`` returns False.  '''
+        return self.ptyproc.getecho()
+
+    def setecho(self, state):
+        '''This sets the terminal echo mode on or off. Note that anything the
+        child sent before the echo will be lost, so you should be sure that
+        your input buffer is empty before you call setecho(). For example, the
+        following will work as expected::
+
+            p = pexpect.spawn('cat') # Echo is on by default.
+            p.sendline('1234') # We expect see this twice from the child...
+            p.expect(['1234']) # ... once from the tty echo...
+            p.expect(['1234']) # ... and again from cat itself.
+            p.setecho(False) # Turn off tty echo
+            p.sendline('abcd') # We will set this only once (echoed by cat).
+            p.sendline('wxyz') # We will set this only once (echoed by cat)
+            p.expect(['abcd'])
+            p.expect(['wxyz'])
+
+        The following WILL NOT WORK because the lines sent before the setecho
+        will be lost::
+
+            p = pexpect.spawn('cat')
+            p.sendline('1234')
+            p.setecho(False) # Turn off tty echo
+            p.sendline('abcd') # We will set this only once (echoed by cat).
+            p.sendline('wxyz') # We will set this only once (echoed by cat)
+            p.expect(['1234'])
+            p.expect(['1234'])
+            p.expect(['abcd'])
+            p.expect(['wxyz'])
+
+
+        Not supported on platforms where ``isatty()`` returns False.
+        '''
+        return self.ptyproc.setecho(state)
+
+    def read_nonblocking(self, size=1, timeout=-1):
+        '''This reads at most size characters from the child application. It
+        includes a timeout. If the read does not complete within the timeout
+        period then a TIMEOUT exception is raised. If the end of file is read
+        then an EOF exception will be raised.  If a logfile is specified, a
+        copy is written to that log.
+
+        If timeout is None then the read may block indefinitely.
+        If timeout is -1 then the self.timeout value is used. If timeout is 0
+        then the child is polled and if there is no data immediately ready
+        then this will raise a TIMEOUT exception.
+
+        The timeout refers only to the amount of time to read at least one
+        character. This is not affected by the 'size' parameter, so if you call
+        read_nonblocking(size=100, timeout=30) and only one character is
+        available right away then one character will be returned immediately.
+        It will not wait for 30 seconds for another 99 characters to come in.
+
+        On the other hand, if there are bytes available to read immediately,
+        all those bytes will be read (up to the buffer size). So, if the
+        buffer size is 1 megabyte and there is 1 megabyte of data available
+        to read, the buffer will be filled, regardless of timeout.
+
+        This is a wrapper around os.read(). It uses select.select() or
+        select.poll() to implement the timeout. '''
+
+        if self.closed:
+            raise ValueError('I/O operation on closed file.')
+
+        if self.use_poll:
+            def select(timeout):
+                return poll_ignore_interrupts([self.child_fd], timeout)
+        else:
+            def select(timeout):
+                return select_ignore_interrupts([self.child_fd], [], [], timeout)[0]
+
+        # If there is data available to read right now, read as much as
+        # we can. We do this to increase performance if there are a lot
+        # of bytes to be read. This also avoids calling isalive() too
+        # often. See also:
+        # * https://github.com/pexpect/pexpect/pull/304
+        # * http://trac.sagemath.org/ticket/10295
+        if select(0):
+            try:
+                incoming = super(spawn, self).read_nonblocking(size)
+            except EOF:
+                # Maybe the child is dead: update some attributes in that case
+                self.isalive()
+                raise
+            while len(incoming) < size and select(0):
+                try:
+                    incoming += super(spawn, self).read_nonblocking(size - len(incoming))
+                except EOF:
+                    # Maybe the child is dead: update some attributes in that case
+                    self.isalive()
+                    # Don't raise EOF, just return what we read so far.
+                    return incoming
+            return incoming
+
+        if timeout == -1:
+            timeout = self.timeout
+
+        if not self.isalive():
+            # The process is dead, but there may or may not be data
+            # available to read. Note that some systems such as Solaris
+            # do not give an EOF when the child dies. In fact, you can
+            # still try to read from the child_fd -- it will block
+            # forever or until TIMEOUT. For that reason, it's important
+            # to do this check before calling select() with timeout.
+            if select(0):
+                return super(spawn, self).read_nonblocking(size)
+            self.flag_eof = True
+            raise EOF('End Of File (EOF). Braindead platform.')
+        elif self.__irix_hack:
+            # Irix takes a long time before it realizes a child was terminated.
+            # Make sure that the timeout is at least 2 seconds.
+            # FIXME So does this mean Irix systems are forced to always have
+            # FIXME a 2 second delay when calling read_nonblocking? That sucks.
+            if timeout is not None and timeout < 2:
+                timeout = 2
+
+        # Because of the select(0) check above, we know that no data
+        # is available right now. But if a non-zero timeout is given
+        # (possibly timeout=None), we call select() with a timeout.
+        if (timeout != 0) and select(timeout):
+            return super(spawn, self).read_nonblocking(size)
+
+        if not self.isalive():
+            # Some platforms, such as Irix, will claim that their
+            # processes are alive; timeout on the select; and
+            # then finally admit that they are not alive.
+            self.flag_eof = True
+            raise EOF('End of File (EOF). Very slow platform.')
+        else:
+            raise TIMEOUT('Timeout exceeded.')
+
+    def write(self, s):
+        '''This is similar to send() except that there is no return value.
+        '''
+
+        self.send(s)
+
+    def writelines(self, sequence):
+        '''This calls write() for each element in the sequence. The sequence
+        can be any iterable object producing strings, typically a list of
+        strings. This does not add line separators. There is no return value.
+        '''
+
+        for s in sequence:
+            self.write(s)
+
+    def send(self, s):
+        '''Sends string ``s`` to the child process, returning the number of
+        bytes written. If a logfile is specified, a copy is written to that
+        log.
+
+        The default terminal input mode is canonical processing unless set
+        otherwise by the child process. This allows backspace and other line
+        processing to be performed prior to transmitting to the receiving
+        program. As this is buffered, there is a limited size of such buffer.
+
+        On Linux systems, this is 4096 (defined by N_TTY_BUF_SIZE). All
+        other systems honor the POSIX.1 definition PC_MAX_CANON -- 1024
+        on OSX, 256 on OpenSolaris, and 1920 on FreeBSD.
+
+        This value may be discovered using fpathconf(3)::
+
+            >>> from os import fpathconf
+            >>> print(fpathconf(0, 'PC_MAX_CANON'))
+            256
+
+        On such a system, only 256 bytes may be received per line. Any
+        subsequent bytes received will be discarded. BEL (``'\a'``) is then
+        sent to output if IMAXBEL (termios.h) is set by the tty driver.
+        This is usually enabled by default.  Linux does not honor this as
+        an option -- it behaves as though it is always set on.
+
+        Canonical input processing may be disabled altogether by executing
+        a shell, then stty(1), before executing the final program::
+
+            >>> bash = pexpect.spawn('/bin/bash', echo=False)
+            >>> bash.sendline('stty -icanon')
+            >>> bash.sendline('base64')
+            >>> bash.sendline('x' * 5000)
+        '''
+
+        if self.delaybeforesend is not None:
+            time.sleep(self.delaybeforesend)
+
+        s = self._coerce_send_string(s)
+        self._log(s, 'send')
+
+        b = self._encoder.encode(s, final=False)
+        return os.write(self.child_fd, b)
+
+    def sendline(self, s=''):
+        '''Wraps send(), sending string ``s`` to child process, with
+        ``os.linesep`` automatically appended. Returns number of bytes
+        written.  Only a limited number of bytes may be sent for each
+        line in the default terminal mode, see docstring of :meth:`send`.
+        '''
+        s = self._coerce_send_string(s)
+        return self.send(s + self.linesep)
+
+    def _log_control(self, s):
+        """Write control characters to the appropriate log files"""
+        if self.encoding is not None:
+            s = s.decode(self.encoding, 'replace')
+        self._log(s, 'send')
+
+    def sendcontrol(self, char):
+        '''Helper method that wraps send() with mnemonic access for sending control
+        character to the child (such as Ctrl-C or Ctrl-D).  For example, to send
+        Ctrl-G (ASCII 7, bell, '\a')::
+
+            child.sendcontrol('g')
+
+        See also, sendintr() and sendeof().
+        '''
+        n, byte = self.ptyproc.sendcontrol(char)
+        self._log_control(byte)
+        return n
+
+    def sendeof(self):
+        '''This sends an EOF to the child. This sends a character which causes
+        the pending parent output buffer to be sent to the waiting child
+        program without waiting for end-of-line. If it is the first character
+        of the line, the read() in the user program returns 0, which signifies
+        end-of-file. This means to work as expected a sendeof() has to be
+        called at the beginning of a line. This method does not send a newline.
+        It is the responsibility of the caller to ensure the eof is sent at the
+        beginning of a line. '''
+
+        n, byte = self.ptyproc.sendeof()
+        self._log_control(byte)
+
+    def sendintr(self):
+        '''This sends a SIGINT to the child. It does not require
+        the SIGINT to be the first character on a line. '''
+
+        n, byte = self.ptyproc.sendintr()
+        self._log_control(byte)
+
+    @property
+    def flag_eof(self):
+        return self.ptyproc.flag_eof
+
+    @flag_eof.setter
+    def flag_eof(self, value):
+        self.ptyproc.flag_eof = value
+
+    def eof(self):
+        '''This returns True if the EOF exception was ever raised.
+        '''
+        return self.flag_eof
+
+    def terminate(self, force=False):
+        '''This forces a child process to terminate. It starts nicely with
+        SIGHUP and SIGINT. If "force" is True then moves onto SIGKILL. This
+        returns True if the child was terminated. This returns False if the
+        child could not be terminated. '''
+
+        if not self.isalive():
+            return True
+        try:
+            self.kill(signal.SIGHUP)
+            time.sleep(self.delayafterterminate)
+            if not self.isalive():
+                return True
+            self.kill(signal.SIGCONT)
+            time.sleep(self.delayafterterminate)
+            if not self.isalive():
+                return True
+            self.kill(signal.SIGINT)
+            time.sleep(self.delayafterterminate)
+            if not self.isalive():
+                return True
+            if force:
+                self.kill(signal.SIGKILL)
+                time.sleep(self.delayafterterminate)
+                if not self.isalive():
+                    return True
+                else:
+                    return False
+            return False
+        except OSError:
+            # I think there are kernel timing issues that sometimes cause
+            # this to happen. I think isalive() reports True, but the
+            # process is dead to the kernel.
+            # Make one last attempt to see if the kernel is up to date.
+            time.sleep(self.delayafterterminate)
+            if not self.isalive():
+                return True
+            else:
+                return False
+
+    def wait(self):
+        '''This waits until the child exits. This is a blocking call. This will
+        not read any data from the child, so this will block forever if the
+        child has unread output and has terminated. In other words, the child
+        may have printed output then called exit(), but, the child is
+        technically still alive until its output is read by the parent.
+
+        This method is non-blocking if :meth:`wait` has already been called
+        previously or :meth:`isalive` method returns False.  It simply returns
+        the previously determined exit status.
+        '''
+
+        ptyproc = self.ptyproc
+        with _wrap_ptyprocess_err():
+            # exception may occur if "Is some other process attempting
+            # "job control with our child pid?"
+            exitstatus = ptyproc.wait()
+        self.status = ptyproc.status
+        self.exitstatus = ptyproc.exitstatus
+        self.signalstatus = ptyproc.signalstatus
+        self.terminated = True
+
+        return exitstatus
+
+    def isalive(self):
+        '''This tests if the child process is running or not. This is
+        non-blocking. If the child was terminated then this will read the
+        exitstatus or signalstatus of the child. This returns True if the child
+        process appears to be running or False if not. It can take literally
+        SECONDS for Solaris to return the right status. '''
+
+        ptyproc = self.ptyproc
+        with _wrap_ptyprocess_err():
+            alive = ptyproc.isalive()
+
+        if not alive:
+            self.status = ptyproc.status
+            self.exitstatus = ptyproc.exitstatus
+            self.signalstatus = ptyproc.signalstatus
+            self.terminated = True
+
+        return alive
+
+    def kill(self, sig):
+
+        '''This sends the given signal to the child application. In keeping
+        with UNIX tradition it has a misleading name. It does not necessarily
+        kill the child unless you send the right signal. '''
+
+        # Same as os.kill, but the pid is given for you.
+        if self.isalive():
+            os.kill(self.pid, sig)
+
+    def getwinsize(self):
+        '''This returns the terminal window size of the child tty. The return
+        value is a tuple of (rows, cols). '''
+        return self.ptyproc.getwinsize()
+
+    def setwinsize(self, rows, cols):
+        '''This sets the terminal window size of the child tty. This will cause
+        a SIGWINCH signal to be sent to the child. This does not change the
+        physical window size. It changes the size reported to TTY-aware
+        applications like vi or curses -- applications that respond to the
+        SIGWINCH signal. '''
+        return self.ptyproc.setwinsize(rows, cols)
+
+
+    def interact(self, escape_character=chr(29),
+            input_filter=None, output_filter=None):
+
+        '''This gives control of the child process to the interactive user (the
+        human at the keyboard). Keystrokes are sent to the child process, and
+        the stdout and stderr output of the child process is printed. This
+        simply echos the child stdout and child stderr to the real stdout and
+        it echos the real stdin to the child stdin. When the user types the
+        escape_character this method will return None. The escape_character
+        will not be transmitted.  The default for escape_character is
+        entered as ``Ctrl - ]``, the very same as BSD telnet. To prevent
+        escaping, escape_character may be set to None.
+
+        If a logfile is specified, then the data sent and received from the
+        child process in interact mode is duplicated to the given log.
+
+        You may pass in optional input and output filter functions. These
+        functions should take bytes array and return bytes array too. Even
+        with ``encoding='utf-8'`` support, meth:`interact` will always pass
+        input_filter and output_filter bytes. You may need to wrap your
+        function to decode and encode back to UTF-8.
+
+        The output_filter will be passed all the output from the child process.
+        The input_filter will be passed all the keyboard input from the user.
+        The input_filter is run BEFORE the check for the escape_character.
+
+        Note that if you change the window size of the parent the SIGWINCH
+        signal will not be passed through to the child. If you want the child
+        window size to change when the parent's window size changes then do
+        something like the following example::
+
+            import pexpect, struct, fcntl, termios, signal, sys
+            def sigwinch_passthrough (sig, data):
+                s = struct.pack("HHHH", 0, 0, 0, 0)
+                a = struct.unpack('hhhh', fcntl.ioctl(sys.stdout.fileno(),
+                    termios.TIOCGWINSZ , s))
+                if not p.closed:
+                    p.setwinsize(a[0],a[1])
+
+            # Note this 'p' is global and used in sigwinch_passthrough.
+            p = pexpect.spawn('/bin/bash')
+            signal.signal(signal.SIGWINCH, sigwinch_passthrough)
+            p.interact()
+        '''
+
+        # Flush the buffer.
+        self.write_to_stdout(self.buffer)
+        self.stdout.flush()
+        self._buffer = self.buffer_type()
+        mode = tty.tcgetattr(self.STDIN_FILENO)
+        tty.setraw(self.STDIN_FILENO)
+        if escape_character is not None and PY3:
+            escape_character = escape_character.encode('latin-1')
+        try:
+            self.__interact_copy(escape_character, input_filter, output_filter)
+        finally:
+            tty.tcsetattr(self.STDIN_FILENO, tty.TCSAFLUSH, mode)
+
+    def __interact_writen(self, fd, data):
+        '''This is used by the interact() method.
+        '''
+
+        while data != b'' and self.isalive():
+            n = os.write(fd, data)
+            data = data[n:]
+
+    def __interact_read(self, fd):
+        '''This is used by the interact() method.
+        '''
+
+        return os.read(fd, 1000)
+
+    def __interact_copy(
+        self, escape_character=None, input_filter=None, output_filter=None
+    ):
+
+        '''This is used by the interact() method.
+        '''
+
+        while self.isalive():
+            if self.use_poll:
+                r = poll_ignore_interrupts([self.child_fd, self.STDIN_FILENO])
+            else:
+                r, w, e = select_ignore_interrupts(
+                    [self.child_fd, self.STDIN_FILENO], [], []
+                )
+            if self.child_fd in r:
+                try:
+                    data = self.__interact_read(self.child_fd)
+                except OSError as err:
+                    if err.args[0] == errno.EIO:
+                        # Linux-style EOF
+                        break
+                    raise
+                if data == b'':
+                    # BSD-style EOF
+                    break
+                if output_filter:
+                    data = output_filter(data)
+                self._log(data, 'read')
+                os.write(self.STDOUT_FILENO, data)
+            if self.STDIN_FILENO in r:
+                data = self.__interact_read(self.STDIN_FILENO)
+                if input_filter:
+                    data = input_filter(data)
+                i = -1
+                if escape_character is not None:
+                    i = data.rfind(escape_character)
+                if i != -1:
+                    data = data[:i]
+                    if data:
+                        self._log(data, 'send')
+                    self.__interact_writen(self.child_fd, data)
+                    break
+                self._log(data, 'send')
+                self.__interact_writen(self.child_fd, data)
+
+
+def spawnu(*args, **kwargs):
+    """Deprecated: pass encoding to spawn() instead."""
+    kwargs.setdefault('encoding', 'utf-8')
+    return spawn(*args, **kwargs)

plugins/git_clone/pexpect/ptyprocess/LICENSE

@@ -0,0 +1,19 @@
+ISC LICENSE
+
+    This license is approved by the OSI and FSF as GPL-compatible.
+        http://opensource.org/licenses/isc-license.txt
+
+    Copyright (c) 2013-2014, Pexpect development team
+    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose with or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+    
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

plugins/git_clone/pexpect/ptyprocess/__init__.py

@@ -0,0 +1,4 @@
+"""Run a subprocess in a pseudo terminal"""
+from .ptyprocess import PtyProcess, PtyProcessUnicode, PtyProcessError
+
+__version__ = '0.7.0'

plugins/git_clone/pexpect/ptyprocess/_fork_pty.py

@@ -0,0 +1,78 @@
+"""Substitute for the forkpty system call, to support Solaris.
+"""
+import os
+import errno
+
+from pty import (STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO, CHILD)
+from .util import PtyProcessError
+
+def fork_pty():
+    '''This implements a substitute for the forkpty system call. This
+    should be more portable than the pty.fork() function. Specifically,
+    this should work on Solaris.
+
+    Modified 10.06.05 by Geoff Marshall: Implemented __fork_pty() method to
+    resolve the issue with Python's pty.fork() not supporting Solaris,
+    particularly ssh. Based on patch to posixmodule.c authored by Noah
+    Spurrier::
+
+        http://mail.python.org/pipermail/python-dev/2003-May/035281.html
+
+    '''
+
+    parent_fd, child_fd = os.openpty()
+    if parent_fd < 0 or child_fd < 0:
+        raise OSError("os.openpty() failed")
+
+    pid = os.fork()
+    if pid == CHILD:
+        # Child.
+        os.close(parent_fd)
+        pty_make_controlling_tty(child_fd)
+
+        os.dup2(child_fd, STDIN_FILENO)
+        os.dup2(child_fd, STDOUT_FILENO)
+        os.dup2(child_fd, STDERR_FILENO)
+
+    else:
+        # Parent.
+        os.close(child_fd)
+
+    return pid, parent_fd
+
+def pty_make_controlling_tty(tty_fd):
+    '''This makes the pseudo-terminal the controlling tty. This should be
+    more portable than the pty.fork() function. Specifically, this should
+    work on Solaris. '''
+
+    child_name = os.ttyname(tty_fd)
+
+    # Disconnect from controlling tty, if any.  Raises OSError of ENXIO
+    # if there was no controlling tty to begin with, such as when
+    # executed by a cron(1) job.
+    try:
+        fd = os.open("/dev/tty", os.O_RDWR | os.O_NOCTTY)
+        os.close(fd)
+    except OSError as err:
+        if err.errno != errno.ENXIO:
+            raise
+
+    os.setsid()
+
+    # Verify we are disconnected from controlling tty by attempting to open
+    # it again.  We expect that OSError of ENXIO should always be raised.
+    try:
+        fd = os.open("/dev/tty", os.O_RDWR | os.O_NOCTTY)
+        os.close(fd)
+        raise PtyProcessError("OSError of errno.ENXIO should be raised.")
+    except OSError as err:
+        if err.errno != errno.ENXIO:
+            raise
+
+    # Verify we can open child pty.
+    fd = os.open(child_name, os.O_RDWR)
+    os.close(fd)
+
+    # Verify we now have a controlling tty.
+    fd = os.open("/dev/tty", os.O_WRONLY)
+    os.close(fd)

plugins/git_clone/pexpect/ptyprocess/ptyprocess.py

@@ -0,0 +1,855 @@
+import codecs
+import errno
+import fcntl
+import io
+import os
+import pty
+import resource
+import signal
+import struct
+import sys
+import termios
+import time
+
+try:
+    import builtins  # Python 3
+except ImportError:
+    import __builtin__ as builtins  # Python 2
+
+# Constants
+from pty import (STDIN_FILENO, CHILD)
+
+from .util import which, PtyProcessError
+
+_platform = sys.platform.lower()
+
+# Solaris uses internal __fork_pty(). All others use pty.fork().
+_is_solaris = (
+    _platform.startswith('solaris') or
+    _platform.startswith('sunos'))
+
+if _is_solaris:
+    use_native_pty_fork = False
+    from . import _fork_pty
+else:
+    use_native_pty_fork = True
+
+PY3 = sys.version_info[0] >= 3
+
+if PY3:
+    def _byte(i):
+        return bytes([i])
+else:
+    def _byte(i):
+        return chr(i)
+    
+    class FileNotFoundError(OSError): pass
+    class TimeoutError(OSError): pass
+
+_EOF, _INTR = None, None
+
+def _make_eof_intr():
+    """Set constants _EOF and _INTR.
+    
+    This avoids doing potentially costly operations on module load.
+    """
+    global _EOF, _INTR
+    if (_EOF is not None) and (_INTR is not None):
+        return
+
+    # inherit EOF and INTR definitions from controlling process.
+    try:
+        from termios import VEOF, VINTR
+        fd = None
+        for name in 'stdin', 'stdout':
+            stream = getattr(sys, '__%s__' % name, None)
+            if stream is None or not hasattr(stream, 'fileno'):
+                continue
+            try:
+                fd = stream.fileno()
+            except ValueError:
+                continue
+        if fd is None:
+            # no fd, raise ValueError to fallback on CEOF, CINTR
+            raise ValueError("No stream has a fileno")
+        intr = ord(termios.tcgetattr(fd)[6][VINTR])
+        eof = ord(termios.tcgetattr(fd)[6][VEOF])
+    except (ImportError, OSError, IOError, ValueError, termios.error):
+        # unless the controlling process is also not a terminal,
+        # such as cron(1), or when stdin and stdout are both closed.
+        # Fall-back to using CEOF and CINTR. There
+        try:
+            from termios import CEOF, CINTR
+            (intr, eof) = (CINTR, CEOF)
+        except ImportError:
+            #                         ^C, ^D
+            (intr, eof) = (3, 4)
+    
+    _INTR = _byte(intr)
+    _EOF = _byte(eof)
+
+# setecho and setwinsize are pulled out here because on some platforms, we need
+# to do this from the child before we exec()
+    
+def _setecho(fd, state):
+    errmsg = 'setecho() may not be called on this platform (it may still be possible to enable/disable echo when spawning the child process)'
+
+    try:
+        attr = termios.tcgetattr(fd)
+    except termios.error as err:
+        if err.args[0] == errno.EINVAL:
+            raise IOError(err.args[0], '%s: %s.' % (err.args[1], errmsg))
+        raise
+
+    if state:
+        attr[3] = attr[3] | termios.ECHO
+    else:
+        attr[3] = attr[3] & ~termios.ECHO
+
+    try:
+        # I tried TCSADRAIN and TCSAFLUSH, but these were inconsistent and
+        # blocked on some platforms. TCSADRAIN would probably be ideal.
+        termios.tcsetattr(fd, termios.TCSANOW, attr)
+    except IOError as err:
+        if err.args[0] == errno.EINVAL:
+            raise IOError(err.args[0], '%s: %s.' % (err.args[1], errmsg))
+        raise
+
+def _setwinsize(fd, rows, cols):
+    # Some very old platforms have a bug that causes the value for
+    # termios.TIOCSWINSZ to be truncated. There was a hack here to work
+    # around this, but it caused problems with newer platforms so has been
+    # removed. For details see https://github.com/pexpect/pexpect/issues/39
+    TIOCSWINSZ = getattr(termios, 'TIOCSWINSZ', -2146929561)
+    # Note, assume ws_xpixel and ws_ypixel are zero.
+    s = struct.pack('HHHH', rows, cols, 0, 0)
+    fcntl.ioctl(fd, TIOCSWINSZ, s)
+
+class PtyProcess(object):
+    '''This class represents a process running in a pseudoterminal.
+    
+    The main constructor is the :meth:`spawn` classmethod.
+    '''
+    string_type = bytes
+    if PY3:
+        linesep = os.linesep.encode('ascii')
+        crlf = '\r\n'.encode('ascii')
+
+        @staticmethod
+        def write_to_stdout(b):
+            try:
+                return sys.stdout.buffer.write(b)
+            except AttributeError:
+                # If stdout has been replaced, it may not have .buffer
+                return sys.stdout.write(b.decode('ascii', 'replace'))
+    else:
+        linesep = os.linesep
+        crlf = '\r\n'
+        write_to_stdout = sys.stdout.write
+
+    encoding = None
+    
+    argv = None
+    env = None
+    launch_dir = None
+
+    def __init__(self, pid, fd):
+        _make_eof_intr()  # Ensure _EOF and _INTR are calculated
+        self.pid = pid
+        self.fd = fd
+        readf = io.open(fd, 'rb', buffering=0)
+        writef = io.open(fd, 'wb', buffering=0, closefd=False)
+        self.fileobj = io.BufferedRWPair(readf, writef)
+
+        self.terminated = False
+        self.closed = False
+        self.exitstatus = None
+        self.signalstatus = None
+        # status returned by os.waitpid
+        self.status = None
+        self.flag_eof = False
+        # Used by close() to give kernel time to update process status.
+        # Time in seconds.
+        self.delayafterclose = 0.1
+        # Used by terminate() to give kernel time to update process status.
+        # Time in seconds.
+        self.delayafterterminate = 0.1
+
+    @classmethod
+    def spawn(
+            cls, argv, cwd=None, env=None, echo=True, preexec_fn=None,
+            dimensions=(24, 80), pass_fds=()):
+        '''Start the given command in a child process in a pseudo terminal.
+
+        This does all the fork/exec type of stuff for a pty, and returns an
+        instance of PtyProcess.
+
+        If preexec_fn is supplied, it will be called with no arguments in the
+        child process before exec-ing the specified command.
+        It may, for instance, set signal handlers to SIG_DFL or SIG_IGN.
+
+        Dimensions of the psuedoterminal used for the subprocess can be
+        specified as a tuple (rows, cols), or the default (24, 80) will be used.
+
+        By default, all file descriptors except 0, 1 and 2 are closed. This
+        behavior can be overridden with pass_fds, a list of file descriptors to
+        keep open between the parent and the child.
+        '''
+        # Note that it is difficult for this method to fail.
+        # You cannot detect if the child process cannot start.
+        # So the only way you can tell if the child process started
+        # or not is to try to read from the file descriptor. If you get
+        # EOF immediately then it means that the child is already dead.
+        # That may not necessarily be bad because you may have spawned a child
+        # that performs some task; creates no stdout output; and then dies.
+
+        if not isinstance(argv, (list, tuple)):
+            raise TypeError("Expected a list or tuple for argv, got %r" % argv)
+
+        # Shallow copy of argv so we can modify it
+        argv = argv[:]
+        command = argv[0]
+
+        command_with_path = which(command)
+        if command_with_path is None:
+            raise FileNotFoundError('The command was not found or was not ' +
+                                    'executable: %s.' % command)
+        command = command_with_path
+        argv[0] = command
+
+        # [issue #119] To prevent the case where exec fails and the user is
+        # stuck interacting with a python child process instead of whatever
+        # was expected, we implement the solution from
+        # http://stackoverflow.com/a/3703179 to pass the exception to the
+        # parent process
+
+        # [issue #119] 1. Before forking, open a pipe in the parent process.
+        exec_err_pipe_read, exec_err_pipe_write = os.pipe()
+
+        if use_native_pty_fork:
+            pid, fd = pty.fork()
+        else:
+            # Use internal fork_pty, for Solaris
+            pid, fd = _fork_pty.fork_pty()
+
+        # Some platforms must call setwinsize() and setecho() from the
+        # child process, and others from the master process. We do both,
+        # allowing IOError for either.
+
+        if pid == CHILD:
+            # set window size
+            try:
+                _setwinsize(STDIN_FILENO, *dimensions)
+            except IOError as err:
+                if err.args[0] not in (errno.EINVAL, errno.ENOTTY):
+                    raise
+
+            # disable echo if spawn argument echo was unset
+            if not echo:
+                try:
+                    _setecho(STDIN_FILENO, False)
+                except (IOError, termios.error) as err:
+                    if err.args[0] not in (errno.EINVAL, errno.ENOTTY):
+                        raise
+
+            # [issue #119] 3. The child closes the reading end and sets the
+            # close-on-exec flag for the writing end.
+            os.close(exec_err_pipe_read)
+            fcntl.fcntl(exec_err_pipe_write, fcntl.F_SETFD, fcntl.FD_CLOEXEC)
+
+            # Do not allow child to inherit open file descriptors from parent,
+            # with the exception of the exec_err_pipe_write of the pipe
+            # and pass_fds.
+            # Impose ceiling on max_fd: AIX bugfix for users with unlimited
+            # nofiles where resource.RLIMIT_NOFILE is 2^63-1 and os.closerange()
+            # occasionally raises out of range error
+            max_fd = min(1048576, resource.getrlimit(resource.RLIMIT_NOFILE)[0])
+            spass_fds = sorted(set(pass_fds) | {exec_err_pipe_write})
+            for pair in zip([2] + spass_fds, spass_fds + [max_fd]):
+                os.closerange(pair[0]+1, pair[1])
+
+            if cwd is not None:
+                os.chdir(cwd)
+
+            if preexec_fn is not None:
+                try:
+                    preexec_fn()
+                except Exception as e:
+                    ename = type(e).__name__
+                    tosend = '{}:0:{}'.format(ename, str(e))
+                    if PY3:
+                        tosend = tosend.encode('utf-8')
+
+                    os.write(exec_err_pipe_write, tosend)
+                    os.close(exec_err_pipe_write)
+                    os._exit(1)
+
+            try:
+                if env is None:
+                    os.execv(command, argv)
+                else:
+                    os.execvpe(command, argv, env)
+            except OSError as err:
+                # [issue #119] 5. If exec fails, the child writes the error
+                # code back to the parent using the pipe, then exits.
+                tosend = 'OSError:{}:{}'.format(err.errno, str(err))
+                if PY3:
+                    tosend = tosend.encode('utf-8')
+                os.write(exec_err_pipe_write, tosend)
+                os.close(exec_err_pipe_write)
+                os._exit(os.EX_OSERR)
+
+        # Parent
+        inst = cls(pid, fd)
+        
+        # Set some informational attributes
+        inst.argv = argv
+        if env is not None:
+            inst.env = env
+        if cwd is not None:
+            inst.launch_dir = cwd
+
+        # [issue #119] 2. After forking, the parent closes the writing end
+        # of the pipe and reads from the reading end.
+        os.close(exec_err_pipe_write)
+        exec_err_data = os.read(exec_err_pipe_read, 4096)
+        os.close(exec_err_pipe_read)
+
+        # [issue #119] 6. The parent reads eof (a zero-length read) if the
+        # child successfully performed exec, since close-on-exec made
+        # successful exec close the writing end of the pipe. Or, if exec
+        # failed, the parent reads the error code and can proceed
+        # accordingly. Either way, the parent blocks until the child calls
+        # exec.
+        if len(exec_err_data) != 0:
+            try:
+                errclass, errno_s, errmsg = exec_err_data.split(b':', 2)
+                exctype = getattr(builtins, errclass.decode('ascii'), Exception)
+
+                exception = exctype(errmsg.decode('utf-8', 'replace'))
+                if exctype is OSError:
+                    exception.errno = int(errno_s)
+            except:
+                raise Exception('Subprocess failed, got bad error data: %r'
+                                    % exec_err_data)
+            else:
+                raise exception
+
+        try:
+            inst.setwinsize(*dimensions)
+        except IOError as err:
+            if err.args[0] not in (errno.EINVAL, errno.ENOTTY, errno.ENXIO):
+                raise
+
+        return inst
+
+    def __repr__(self):
+        clsname = type(self).__name__
+        if self.argv is not None:
+            args = [repr(self.argv)]
+            if self.env is not None:
+                args.append("env=%r" % self.env)
+            if self.launch_dir is not None:
+                args.append("cwd=%r" % self.launch_dir)
+            
+            return "{}.spawn({})".format(clsname, ", ".join(args))
+        
+        else:
+            return "{}(pid={}, fd={})".format(clsname, self.pid, self.fd)
+
+    @staticmethod
+    def _coerce_send_string(s):
+        if not isinstance(s, bytes):
+            return s.encode('utf-8')
+        return s
+
+    @staticmethod
+    def _coerce_read_string(s):
+        return s
+
+    def __del__(self):
+        '''This makes sure that no system resources are left open. Python only
+        garbage collects Python objects. OS file descriptors are not Python
+        objects, so they must be handled explicitly. If the child file
+        descriptor was opened outside of this class (passed to the constructor)
+        then this does not close it. '''
+
+        if not self.closed:
+            # It is possible for __del__ methods to execute during the
+            # teardown of the Python VM itself. Thus self.close() may
+            # trigger an exception because os.close may be None.
+            try:
+                self.close()
+            # which exception, shouldn't we catch explicitly .. ?
+            except:
+                pass
+
+
+    def fileno(self):
+        '''This returns the file descriptor of the pty for the child.
+        '''
+        return self.fd
+
+    def close(self, force=True):
+        '''This closes the connection with the child application. Note that
+        calling close() more than once is valid. This emulates standard Python
+        behavior with files. Set force to True if you want to make sure that
+        the child is terminated (SIGKILL is sent if the child ignores SIGHUP
+        and SIGINT). '''
+        if not self.closed:
+            self.flush()
+            self.fileobj.close() # Closes the file descriptor
+            # Give kernel time to update process status.
+            time.sleep(self.delayafterclose)
+            if self.isalive():
+                if not self.terminate(force):
+                    raise PtyProcessError('Could not terminate the child.')
+            self.fd = -1
+            self.closed = True
+            #self.pid = None
+
+    def flush(self):
+        '''This does nothing. It is here to support the interface for a
+        File-like object. '''
+
+        pass
+
+    def isatty(self):
+        '''This returns True if the file descriptor is open and connected to a
+        tty(-like) device, else False.
+
+        On SVR4-style platforms implementing streams, such as SunOS and HP-UX,
+        the child pty may not appear as a terminal device.  This means
+        methods such as setecho(), setwinsize(), getwinsize() may raise an
+        IOError. '''
+
+        return os.isatty(self.fd)
+
+    def waitnoecho(self, timeout=None):
+        '''Wait until the terminal ECHO flag is set False.
+
+        This returns True if the echo mode is off, or False if echo was not
+        disabled before the timeout. This can be used to detect when the
+        child is waiting for a password. Usually a child application will turn
+        off echo mode when it is waiting for the user to enter a password. For
+        example, instead of expecting the "password:" prompt you can wait for
+        the child to turn echo off::
+
+            p = pexpect.spawn('ssh user@example.com')
+            p.waitnoecho()
+            p.sendline(mypassword)
+
+        If ``timeout=None`` then this method to block until ECHO flag is False.
+        '''
+
+        if timeout is not None:
+            end_time = time.time() + timeout
+        while True:
+            if not self.getecho():
+                return True
+            if timeout < 0 and timeout is not None:
+                return False
+            if timeout is not None:
+                timeout = end_time - time.time()
+            time.sleep(0.1)
+
+    def getecho(self):
+        '''Returns True if terminal echo is on, or False if echo is off.
+
+        Child applications that are expecting you to enter a password often
+        disable echo. See also :meth:`waitnoecho`.
+
+        Not supported on platforms where ``isatty()`` returns False.
+        '''
+
+        try:
+            attr = termios.tcgetattr(self.fd)
+        except termios.error as err:
+            errmsg = 'getecho() may not be called on this platform'
+            if err.args[0] == errno.EINVAL:
+                raise IOError(err.args[0], '%s: %s.' % (err.args[1], errmsg))
+            raise
+
+        self.echo = bool(attr[3] & termios.ECHO)
+        return self.echo
+
+    def setecho(self, state):
+        '''Enable or disable terminal echo.
+
+        Anything the child sent before the echo will be lost, so you should be
+        sure that your input buffer is empty before you call setecho().
+        For example, the following will work as expected::
+
+            p = pexpect.spawn('cat') # Echo is on by default.
+            p.sendline('1234') # We expect see this twice from the child...
+            p.expect(['1234']) # ... once from the tty echo...
+            p.expect(['1234']) # ... and again from cat itself.
+            p.setecho(False) # Turn off tty echo
+            p.sendline('abcd') # We will set this only once (echoed by cat).
+            p.sendline('wxyz') # We will set this only once (echoed by cat)
+            p.expect(['abcd'])
+            p.expect(['wxyz'])
+
+        The following WILL NOT WORK because the lines sent before the setecho
+        will be lost::
+
+            p = pexpect.spawn('cat')
+            p.sendline('1234')
+            p.setecho(False) # Turn off tty echo
+            p.sendline('abcd') # We will set this only once (echoed by cat).
+            p.sendline('wxyz') # We will set this only once (echoed by cat)
+            p.expect(['1234'])
+            p.expect(['1234'])
+            p.expect(['abcd'])
+            p.expect(['wxyz'])
+
+
+        Not supported on platforms where ``isatty()`` returns False.
+        '''
+        _setecho(self.fd, state)
+
+        self.echo = state
+
+    def read(self, size=1024):
+        """Read and return at most ``size`` bytes from the pty.
+
+        Can block if there is nothing to read. Raises :exc:`EOFError` if the
+        terminal was closed.
+        
+        Unlike Pexpect's ``read_nonblocking`` method, this doesn't try to deal
+        with the vagaries of EOF on platforms that do strange things, like IRIX
+        or older Solaris systems. It handles the errno=EIO pattern used on
+        Linux, and the empty-string return used on BSD platforms and (seemingly)
+        on recent Solaris.
+        """
+        try:
+            s = self.fileobj.read1(size)
+        except (OSError, IOError) as err:
+            if err.args[0] == errno.EIO:
+                # Linux-style EOF
+                self.flag_eof = True
+                raise EOFError('End Of File (EOF). Exception style platform.')
+            raise
+        if s == b'':
+            # BSD-style EOF (also appears to work on recent Solaris (OpenIndiana))
+            self.flag_eof = True
+            raise EOFError('End Of File (EOF). Empty string style platform.')
+
+        return s
+
+    def readline(self):
+        """Read one line from the pseudoterminal, and return it as unicode.
+
+        Can block if there is nothing to read. Raises :exc:`EOFError` if the
+        terminal was closed.
+        """
+        try:
+            s = self.fileobj.readline()
+        except (OSError, IOError) as err:
+            if err.args[0] == errno.EIO:
+                # Linux-style EOF
+                self.flag_eof = True
+                raise EOFError('End Of File (EOF). Exception style platform.')
+            raise
+        if s == b'':
+            # BSD-style EOF (also appears to work on recent Solaris (OpenIndiana))
+            self.flag_eof = True
+            raise EOFError('End Of File (EOF). Empty string style platform.')
+
+        return s
+
+    def _writeb(self, b, flush=True):
+        n = self.fileobj.write(b)
+        if flush:
+            self.fileobj.flush()
+        return n
+
+    def write(self, s, flush=True):
+        """Write bytes to the pseudoterminal.
+        
+        Returns the number of bytes written.
+        """
+        return self._writeb(s, flush=flush)
+
+    def sendcontrol(self, char):
+        '''Helper method for sending control characters to the terminal.
+
+        For example, to send Ctrl-G (ASCII 7, bell, ``'\\a'``)::
+
+            child.sendcontrol('g')
+
+        See also, :meth:`sendintr` and :meth:`sendeof`.
+        '''
+        char = char.lower()
+        a = ord(char)
+        if 97 <= a <= 122:
+            a = a - ord('a') + 1
+            byte = _byte(a)
+            return self._writeb(byte), byte
+        d = {'@': 0, '`': 0,
+            '[': 27, '{': 27,
+            '\\': 28, '|': 28,
+            ']': 29, '}': 29,
+            '^': 30, '~': 30,
+            '_': 31,
+            '?': 127}
+        if char not in d:
+            return 0, b''
+
+        byte = _byte(d[char])
+        return self._writeb(byte), byte
+
+    def sendeof(self):
+        '''Sends an EOF (typically Ctrl-D) through the terminal.
+
+        This sends a character which causes
+        the pending parent output buffer to be sent to the waiting child
+        program without waiting for end-of-line. If it is the first character
+        of the line, the read() in the user program returns 0, which signifies
+        end-of-file. This means to work as expected a sendeof() has to be
+        called at the beginning of a line. This method does not send a newline.
+        It is the responsibility of the caller to ensure the eof is sent at the
+        beginning of a line.
+        '''
+        return self._writeb(_EOF), _EOF
+
+    def sendintr(self):
+        '''Send an interrupt character (typically Ctrl-C) through the terminal.
+
+        This will normally trigger the kernel to send SIGINT to the current
+        foreground process group. Processes can turn off this translation, in
+        which case they can read the raw data sent, e.g. ``b'\\x03'`` for Ctrl-C.
+
+        See also the :meth:`kill` method, which sends a signal directly to the
+        immediate child process in the terminal (which is not necessarily the
+        foreground process).
+        '''
+        return self._writeb(_INTR), _INTR
+
+    def eof(self):
+        '''This returns True if the EOF exception was ever raised.
+        '''
+
+        return self.flag_eof
+
+    def terminate(self, force=False):
+        '''This forces a child process to terminate. It starts nicely with
+        SIGHUP and SIGINT. If "force" is True then moves onto SIGKILL. This
+        returns True if the child was terminated. This returns False if the
+        child could not be terminated. '''
+
+        if not self.isalive():
+            return True
+        try:
+            self.kill(signal.SIGHUP)
+            time.sleep(self.delayafterterminate)
+            if not self.isalive():
+                return True
+            self.kill(signal.SIGCONT)
+            time.sleep(self.delayafterterminate)
+            if not self.isalive():
+                return True
+            self.kill(signal.SIGINT)
+            time.sleep(self.delayafterterminate)
+            if not self.isalive():
+                return True
+            if force:
+                self.kill(signal.SIGKILL)
+                time.sleep(self.delayafterterminate)
+                if not self.isalive():
+                    return True
+                else:
+                    return False
+            return False
+        except OSError:
+            # I think there are kernel timing issues that sometimes cause
+            # this to happen. I think isalive() reports True, but the
+            # process is dead to the kernel.
+            # Make one last attempt to see if the kernel is up to date.
+            time.sleep(self.delayafterterminate)
+            if not self.isalive():
+                return True
+            else:
+                return False
+
+    def wait(self):
+        '''This waits until the child exits. This is a blocking call. This will
+        not read any data from the child, so this will block forever if the
+        child has unread output and has terminated. In other words, the child
+        may have printed output then called exit(), but, the child is
+        technically still alive until its output is read by the parent. '''
+
+        if self.isalive():
+            pid, status = os.waitpid(self.pid, 0)
+        else:
+            return self.exitstatus
+        self.exitstatus = os.WEXITSTATUS(status)
+        if os.WIFEXITED(status):
+            self.status = status
+            self.exitstatus = os.WEXITSTATUS(status)
+            self.signalstatus = None
+            self.terminated = True
+        elif os.WIFSIGNALED(status):
+            self.status = status
+            self.exitstatus = None
+            self.signalstatus = os.WTERMSIG(status)
+            self.terminated = True
+        elif os.WIFSTOPPED(status):  # pragma: no cover
+            # You can't call wait() on a child process in the stopped state.
+            raise PtyProcessError('Called wait() on a stopped child ' +
+                    'process. This is not supported. Is some other ' +
+                    'process attempting job control with our child pid?')
+        return self.exitstatus
+
+    def isalive(self):
+        '''This tests if the child process is running or not. This is
+        non-blocking. If the child was terminated then this will read the
+        exitstatus or signalstatus of the child. This returns True if the child
+        process appears to be running or False if not. It can take literally
+        SECONDS for Solaris to return the right status. '''
+
+        if self.terminated:
+            return False
+
+        if self.flag_eof:
+            # This is for Linux, which requires the blocking form
+            # of waitpid to get the status of a defunct process.
+            # This is super-lame. The flag_eof would have been set
+            # in read_nonblocking(), so this should be safe.
+            waitpid_options = 0
+        else:
+            waitpid_options = os.WNOHANG
+
+        try:
+            pid, status = os.waitpid(self.pid, waitpid_options)
+        except OSError as e:
+            # No child processes
+            if e.errno == errno.ECHILD:
+                raise PtyProcessError('isalive() encountered condition ' +
+                        'where "terminated" is 0, but there was no child ' +
+                        'process. Did someone else call waitpid() ' +
+                        'on our process?')
+            else:
+                raise
+
+        # I have to do this twice for Solaris.
+        # I can't even believe that I figured this out...
+        # If waitpid() returns 0 it means that no child process
+        # wishes to report, and the value of status is undefined.
+        if pid == 0:
+            try:
+                ### os.WNOHANG) # Solaris!
+                pid, status = os.waitpid(self.pid, waitpid_options)
+            except OSError as e:  # pragma: no cover
+                # This should never happen...
+                if e.errno == errno.ECHILD:
+                    raise PtyProcessError('isalive() encountered condition ' +
+                            'that should never happen. There was no child ' +
+                            'process. Did someone else call waitpid() ' +
+                            'on our process?')
+                else:
+                    raise
+
+            # If pid is still 0 after two calls to waitpid() then the process
+            # really is alive. This seems to work on all platforms, except for
+            # Irix which seems to require a blocking call on waitpid or select,
+            # so I let read_nonblocking take care of this situation
+            # (unfortunately, this requires waiting through the timeout).
+            if pid == 0:
+                return True
+
+        if pid == 0:
+            return True
+
+        if os.WIFEXITED(status):
+            self.status = status
+            self.exitstatus = os.WEXITSTATUS(status)
+            self.signalstatus = None
+            self.terminated = True
+        elif os.WIFSIGNALED(status):
+            self.status = status
+            self.exitstatus = None
+            self.signalstatus = os.WTERMSIG(status)
+            self.terminated = True
+        elif os.WIFSTOPPED(status):
+            raise PtyProcessError('isalive() encountered condition ' +
+                    'where child process is stopped. This is not ' +
+                    'supported. Is some other process attempting ' +
+                    'job control with our child pid?')
+        return False
+
+    def kill(self, sig):
+        """Send the given signal to the child application.
+
+        In keeping with UNIX tradition it has a misleading name. It does not
+        necessarily kill the child unless you send the right signal. See the
+        :mod:`signal` module for constants representing signal numbers.
+        """
+
+        # Same as os.kill, but the pid is given for you.
+        if self.isalive():
+            os.kill(self.pid, sig)
+
+    def getwinsize(self):
+        """Return the window size of the pseudoterminal as a tuple (rows, cols).
+        """
+        TIOCGWINSZ = getattr(termios, 'TIOCGWINSZ', 1074295912)
+        s = struct.pack('HHHH', 0, 0, 0, 0)
+        x = fcntl.ioctl(self.fd, TIOCGWINSZ, s)
+        return struct.unpack('HHHH', x)[0:2]
+
+    def setwinsize(self, rows, cols):
+        """Set the terminal window size of the child tty.
+
+        This will cause a SIGWINCH signal to be sent to the child. This does not
+        change the physical window size. It changes the size reported to
+        TTY-aware applications like vi or curses -- applications that respond to
+        the SIGWINCH signal.
+        """
+        return _setwinsize(self.fd, rows, cols)
+
+
+class PtyProcessUnicode(PtyProcess):
+    """Unicode wrapper around a process running in a pseudoterminal.
+
+    This class exposes a similar interface to :class:`PtyProcess`, but its read
+    methods return unicode, and its :meth:`write` accepts unicode.
+    """
+    if PY3:
+        string_type = str
+    else:
+        string_type = unicode   # analysis:ignore
+
+    def __init__(self, pid, fd, encoding='utf-8', codec_errors='strict'):
+        super(PtyProcessUnicode, self).__init__(pid, fd)
+        self.encoding = encoding
+        self.codec_errors = codec_errors
+        self.decoder = codecs.getincrementaldecoder(encoding)(errors=codec_errors)
+
+    def read(self, size=1024):
+        """Read at most ``size`` bytes from the pty, return them as unicode.
+
+        Can block if there is nothing to read. Raises :exc:`EOFError` if the
+        terminal was closed.
+
+        The size argument still refers to bytes, not unicode code points.
+        """
+        b = super(PtyProcessUnicode, self).read(size)
+        return self.decoder.decode(b, final=False)
+
+    def readline(self):
+        """Read one line from the pseudoterminal, and return it as unicode.
+
+        Can block if there is nothing to read. Raises :exc:`EOFError` if the
+        terminal was closed.
+        """
+        b = super(PtyProcessUnicode, self).readline()
+        return self.decoder.decode(b, final=False)
+
+    def write(self, s):
+        """Write the unicode string ``s`` to the pseudoterminal.
+
+        Returns the number of bytes written.
+        """
+        b = s.encode(self.encoding)
+        return super(PtyProcessUnicode, self).write(b)

plugins/git_clone/pexpect/ptyprocess/util.py

@@ -0,0 +1,71 @@
+try:
+    from shutil import which  # Python >= 3.3
+except ImportError:
+    import os, sys
+    
+    # This is copied from Python 3.4.1
+    def which(cmd, mode=os.F_OK | os.X_OK, path=None):
+        """Given a command, mode, and a PATH string, return the path which
+        conforms to the given mode on the PATH, or None if there is no such
+        file.
+    
+        `mode` defaults to os.F_OK | os.X_OK. `path` defaults to the result
+        of os.environ.get("PATH"), or can be overridden with a custom search
+        path.
+    
+        """
+        # Check that a given file can be accessed with the correct mode.
+        # Additionally check that `file` is not a directory, as on Windows
+        # directories pass the os.access check.
+        def _access_check(fn, mode):
+            return (os.path.exists(fn) and os.access(fn, mode)
+                    and not os.path.isdir(fn))
+    
+        # If we're given a path with a directory part, look it up directly rather
+        # than referring to PATH directories. This includes checking relative to the
+        # current directory, e.g. ./script
+        if os.path.dirname(cmd):
+            if _access_check(cmd, mode):
+                return cmd
+            return None
+    
+        if path is None:
+            path = os.environ.get("PATH", os.defpath)
+        if not path:
+            return None
+        path = path.split(os.pathsep)
+    
+        if sys.platform == "win32":
+            # The current directory takes precedence on Windows.
+            if not os.curdir in path:
+                path.insert(0, os.curdir)
+    
+            # PATHEXT is necessary to check on Windows.
+            pathext = os.environ.get("PATHEXT", "").split(os.pathsep)
+            # See if the given file matches any of the expected path extensions.
+            # This will allow us to short circuit when given "python.exe".
+            # If it does match, only test that one, otherwise we have to try
+            # others.
+            if any(cmd.lower().endswith(ext.lower()) for ext in pathext):
+                files = [cmd]
+            else:
+                files = [cmd + ext for ext in pathext]
+        else:
+            # On other platforms you don't have things like PATHEXT to tell you
+            # what file suffixes are executable, so just pass on cmd as-is.
+            files = [cmd]
+    
+        seen = set()
+        for dir in path:
+            normdir = os.path.normcase(dir)
+            if not normdir in seen:
+                seen.add(normdir)
+                for thefile in files:
+                    name = os.path.join(dir, thefile)
+                    if _access_check(name, mode):
+                        return name
+        return None
+
+
+class PtyProcessError(Exception):
+    """Generic error class for this package."""

plugins/git_clone/pexpect/pxssh.py

@@ -0,0 +1,537 @@
+'''This class extends pexpect.spawn to specialize setting up SSH connections.
+This adds methods for login, logout, and expecting the shell prompt.
+
+PEXPECT LICENSE
+
+    This license is approved by the OSI and FSF as GPL-compatible.
+        http://opensource.org/licenses/isc-license.txt
+
+    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
+    PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
+    PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
+    COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+'''
+
+from pexpect import ExceptionPexpect, TIMEOUT, EOF, spawn
+import time
+import os
+import sys
+import re
+
+__all__ = ['ExceptionPxssh', 'pxssh']
+
+# Exception classes used by this module.
+class ExceptionPxssh(ExceptionPexpect):
+    '''Raised for pxssh exceptions.
+    '''
+
+if sys.version_info > (3, 0):
+    from shlex import quote
+else:
+    _find_unsafe = re.compile(r'[^\w@%+=:,./-]').search
+
+    def quote(s):
+        """Return a shell-escaped version of the string *s*."""
+        if not s:
+            return "''"
+        if _find_unsafe(s) is None:
+            return s
+
+        # use single quotes, and put single quotes into double quotes
+        # the string $'b is then quoted as '$'"'"'b'
+        return "'" + s.replace("'", "'\"'\"'") + "'"
+
+class pxssh (spawn):
+    '''This class extends pexpect.spawn to specialize setting up SSH
+    connections. This adds methods for login, logout, and expecting the shell
+    prompt. It does various tricky things to handle many situations in the SSH
+    login process. For example, if the session is your first login, then pxssh
+    automatically accepts the remote certificate; or if you have public key
+    authentication setup then pxssh won't wait for the password prompt.
+
+    pxssh uses the shell prompt to synchronize output from the remote host. In
+    order to make this more robust it sets the shell prompt to something more
+    unique than just $ or #. This should work on most Borne/Bash or Csh style
+    shells.
+
+    Example that runs a few commands on a remote server and prints the result::
+
+        from pexpect import pxssh
+        import getpass
+        try:
+            s = pxssh.pxssh()
+            hostname = raw_input('hostname: ')
+            username = raw_input('username: ')
+            password = getpass.getpass('password: ')
+            s.login(hostname, username, password)
+            s.sendline('uptime')   # run a command
+            s.prompt()             # match the prompt
+            print(s.before)        # print everything before the prompt.
+            s.sendline('ls -l')
+            s.prompt()
+            print(s.before)
+            s.sendline('df')
+            s.prompt()
+            print(s.before)
+            s.logout()
+        except pxssh.ExceptionPxssh as e:
+            print("pxssh failed on login.")
+            print(e)
+
+    Example showing how to specify SSH options::
+
+        from pexpect import pxssh
+        s = pxssh.pxssh(options={
+                            "StrictHostKeyChecking": "no",
+                            "UserKnownHostsFile": "/dev/null"})
+        ...
+
+    Note that if you have ssh-agent running while doing development with pxssh
+    then this can lead to a lot of confusion. Many X display managers (xdm,
+    gdm, kdm, etc.) will automatically start a GUI agent. You may see a GUI
+    dialog box popup asking for a password during development. You should turn
+    off any key agents during testing. The 'force_password' attribute will turn
+    off public key authentication. This will only work if the remote SSH server
+    is configured to allow password logins. Example of using 'force_password'
+    attribute::
+
+            s = pxssh.pxssh()
+            s.force_password = True
+            hostname = raw_input('hostname: ')
+            username = raw_input('username: ')
+            password = getpass.getpass('password: ')
+            s.login (hostname, username, password)
+
+    `debug_command_string` is only for the test suite to confirm that the string
+    generated for SSH is correct, using this will not allow you to do
+    anything other than get a string back from `pxssh.pxssh.login()`.
+    '''
+
+    def __init__ (self, timeout=30, maxread=2000, searchwindowsize=None,
+                    logfile=None, cwd=None, env=None, ignore_sighup=True, echo=True,
+                    options={}, encoding=None, codec_errors='strict',
+                    debug_command_string=False, use_poll=False):
+
+        spawn.__init__(self, None, timeout=timeout, maxread=maxread,
+                       searchwindowsize=searchwindowsize, logfile=logfile,
+                       cwd=cwd, env=env, ignore_sighup=ignore_sighup, echo=echo,
+                       encoding=encoding, codec_errors=codec_errors, use_poll=use_poll)
+
+        self.name = '<pxssh>'
+
+        #SUBTLE HACK ALERT! Note that the command that SETS the prompt uses a
+        #slightly different string than the regular expression to match it. This
+        #is because when you set the prompt the command will echo back, but we
+        #don't want to match the echoed command. So if we make the set command
+        #slightly different than the regex we eliminate the problem. To make the
+        #set command different we add a backslash in front of $. The $ doesn't
+        #need to be escaped, but it doesn't hurt and serves to make the set
+        #prompt command different than the regex.
+
+        # used to match the command-line prompt
+        self.UNIQUE_PROMPT = r"\[PEXPECT\][\$\#] "
+        self.PROMPT = self.UNIQUE_PROMPT
+
+        # used to set shell command-line prompt to UNIQUE_PROMPT.
+        self.PROMPT_SET_SH = r"PS1='[PEXPECT]\$ '"
+        self.PROMPT_SET_CSH = r"set prompt='[PEXPECT]\$ '"
+        self.SSH_OPTS = ("-o'RSAAuthentication=no'"
+                + " -o 'PubkeyAuthentication=no'")
+# Disabling host key checking, makes you vulnerable to MITM attacks.
+#                + " -o 'StrictHostKeyChecking=no'"
+#                + " -o 'UserKnownHostsFile /dev/null' ")
+        # Disabling X11 forwarding gets rid of the annoying SSH_ASKPASS from
+        # displaying a GUI password dialog. I have not figured out how to
+        # disable only SSH_ASKPASS without also disabling X11 forwarding.
+        # Unsetting SSH_ASKPASS on the remote side doesn't disable it! Annoying!
+        #self.SSH_OPTS = "-x -o'RSAAuthentication=no' -o 'PubkeyAuthentication=no'"
+        self.force_password = False
+
+        self.debug_command_string = debug_command_string
+
+        # User defined SSH options, eg,
+        # ssh.otions = dict(StrictHostKeyChecking="no",UserKnownHostsFile="/dev/null")
+        self.options = options
+
+    def levenshtein_distance(self, a, b):
+        '''This calculates the Levenshtein distance between a and b.
+        '''
+
+        n, m = len(a), len(b)
+        if n > m:
+            a,b = b,a
+            n,m = m,n
+        current = range(n+1)
+        for i in range(1,m+1):
+            previous, current = current, [i]+[0]*n
+            for j in range(1,n+1):
+                add, delete = previous[j]+1, current[j-1]+1
+                change = previous[j-1]
+                if a[j-1] != b[i-1]:
+                    change = change + 1
+                current[j] = min(add, delete, change)
+        return current[n]
+
+    def try_read_prompt(self, timeout_multiplier):
+        '''This facilitates using communication timeouts to perform
+        synchronization as quickly as possible, while supporting high latency
+        connections with a tunable worst case performance. Fast connections
+        should be read almost immediately. Worst case performance for this
+        method is timeout_multiplier * 3 seconds.
+        '''
+
+        # maximum time allowed to read the first response
+        first_char_timeout = timeout_multiplier * 0.5
+
+        # maximum time allowed between subsequent characters
+        inter_char_timeout = timeout_multiplier * 0.1
+
+        # maximum time for reading the entire prompt
+        total_timeout = timeout_multiplier * 3.0
+
+        prompt = self.string_type()
+        begin = time.time()
+        expired = 0.0
+        timeout = first_char_timeout
+
+        while expired < total_timeout:
+            try:
+                prompt += self.read_nonblocking(size=1, timeout=timeout)
+                expired = time.time() - begin # updated total time expired
+                timeout = inter_char_timeout
+            except TIMEOUT:
+                break
+
+        return prompt
+
+    def sync_original_prompt (self, sync_multiplier=1.0):
+        '''This attempts to find the prompt. Basically, press enter and record
+        the response; press enter again and record the response; if the two
+        responses are similar then assume we are at the original prompt.
+        This can be a slow function. Worst case with the default sync_multiplier
+        can take 12 seconds. Low latency connections are more likely to fail
+        with a low sync_multiplier. Best case sync time gets worse with a
+        high sync multiplier (500 ms with default). '''
+
+        # All of these timing pace values are magic.
+        # I came up with these based on what seemed reliable for
+        # connecting to a heavily loaded machine I have.
+        self.sendline()
+        time.sleep(0.1)
+
+        try:
+            # Clear the buffer before getting the prompt.
+            self.try_read_prompt(sync_multiplier)
+        except TIMEOUT:
+            pass
+
+        self.sendline()
+        x = self.try_read_prompt(sync_multiplier)
+
+        self.sendline()
+        a = self.try_read_prompt(sync_multiplier)
+
+        self.sendline()
+        b = self.try_read_prompt(sync_multiplier)
+
+        ld = self.levenshtein_distance(a,b)
+        len_a = len(a)
+        if len_a == 0:
+            return False
+        if float(ld)/len_a < 0.4:
+            return True
+        return False
+
+    ### TODO: This is getting messy and I'm pretty sure this isn't perfect.
+    ### TODO: I need to draw a flow chart for this.
+    ### TODO: Unit tests for SSH tunnels, remote SSH command exec, disabling original prompt sync
+    def login (self, server, username=None, password='', terminal_type='ansi',
+                original_prompt=r"[#$]", login_timeout=10, port=None,
+                auto_prompt_reset=True, ssh_key=None, quiet=True,
+                sync_multiplier=1, check_local_ip=True,
+                password_regex=r'(?i)(?:password:)|(?:passphrase for key)',
+                ssh_tunnels={}, spawn_local_ssh=True,
+                sync_original_prompt=True, ssh_config=None, cmd='ssh'):
+        '''This logs the user into the given server.
+
+        It uses 'original_prompt' to try to find the prompt right after login.
+        When it finds the prompt it immediately tries to reset the prompt to
+        something more easily matched. The default 'original_prompt' is very
+        optimistic and is easily fooled. It's more reliable to try to match the original
+        prompt as exactly as possible to prevent false matches by server
+        strings such as the "Message Of The Day". On many systems you can
+        disable the MOTD on the remote server by creating a zero-length file
+        called :file:`~/.hushlogin` on the remote server. If a prompt cannot be found
+        then this will not necessarily cause the login to fail. In the case of
+        a timeout when looking for the prompt we assume that the original
+        prompt was so weird that we could not match it, so we use a few tricks
+        to guess when we have reached the prompt. Then we hope for the best and
+        blindly try to reset the prompt to something more unique. If that fails
+        then login() raises an :class:`ExceptionPxssh` exception.
+
+        In some situations it is not possible or desirable to reset the
+        original prompt. In this case, pass ``auto_prompt_reset=False`` to
+        inhibit setting the prompt to the UNIQUE_PROMPT. Remember that pxssh
+        uses a unique prompt in the :meth:`prompt` method. If the original prompt is
+        not reset then this will disable the :meth:`prompt` method unless you
+        manually set the :attr:`PROMPT` attribute.
+
+        Set ``password_regex`` if there is a MOTD message with `password` in it.
+        Changing this is like playing in traffic, don't (p)expect it to match straight
+        away.
+
+        If you require to connect to another SSH server from the your original SSH
+        connection set ``spawn_local_ssh`` to `False` and this will use your current
+        session to do so. Setting this option to `False` and not having an active session
+        will trigger an error.
+
+        Set ``ssh_key`` to a file path to an SSH private key to use that SSH key
+        for the session authentication.
+        Set ``ssh_key`` to `True` to force passing the current SSH authentication socket
+        to the desired ``hostname``.
+
+        Set ``ssh_config`` to a file path string of an SSH client config file to pass that
+        file to the client to handle itself. You may set any options you wish in here, however
+        doing so will require you to post extra information that you may not want to if you
+        run into issues.
+
+        Alter the ``cmd`` to change the ssh client used, or to prepend it with network
+        namespaces. For example ```cmd="ip netns exec vlan2 ssh"``` to execute the ssh in
+        network namespace named ```vlan```.
+        '''
+
+        session_regex_array = ["(?i)are you sure you want to continue connecting", original_prompt, password_regex, "(?i)permission denied", "(?i)terminal type", TIMEOUT]
+        session_init_regex_array = []
+        session_init_regex_array.extend(session_regex_array)
+        session_init_regex_array.extend(["(?i)connection closed by remote host", EOF])
+
+        ssh_options = ''.join([" -o '%s=%s'" % (o, v) for (o, v) in self.options.items()])
+        if quiet:
+            ssh_options = ssh_options + ' -q'
+        if not check_local_ip:
+            ssh_options = ssh_options + " -o'NoHostAuthenticationForLocalhost=yes'"
+        if self.force_password:
+            ssh_options = ssh_options + ' ' + self.SSH_OPTS
+        if ssh_config is not None:
+            if spawn_local_ssh and not os.path.isfile(ssh_config):
+                raise ExceptionPxssh('SSH config does not exist or is not a file.')
+            ssh_options = ssh_options + ' -F ' + ssh_config
+        if port is not None:
+            ssh_options = ssh_options + ' -p %s'%(str(port))
+        if ssh_key is not None:
+            # Allow forwarding our SSH key to the current session
+            if ssh_key==True:
+                ssh_options = ssh_options + ' -A'
+            else:
+                if spawn_local_ssh and not os.path.isfile(ssh_key):
+                    raise ExceptionPxssh('private ssh key does not exist or is not a file.')
+                ssh_options = ssh_options + ' -i %s' % (ssh_key)
+
+        # SSH tunnels, make sure you know what you're putting into the lists
+        # under each heading. Do not expect these to open 100% of the time,
+        # The port you're requesting might be bound.
+        #
+        # The structure should be like this:
+        # { 'local': ['2424:localhost:22'],  # Local SSH tunnels
+        # 'remote': ['2525:localhost:22'],   # Remote SSH tunnels
+        # 'dynamic': [8888] } # Dynamic/SOCKS tunnels
+        if ssh_tunnels!={} and isinstance({},type(ssh_tunnels)):
+            tunnel_types = {
+                'local':'L',
+                'remote':'R',
+                'dynamic':'D'
+            }
+            for tunnel_type in tunnel_types:
+                cmd_type = tunnel_types[tunnel_type]
+                if tunnel_type in ssh_tunnels:
+                    tunnels = ssh_tunnels[tunnel_type]
+                    for tunnel in tunnels:
+                        if spawn_local_ssh==False:
+                            tunnel = quote(str(tunnel))
+                        ssh_options = ssh_options + ' -' + cmd_type + ' ' + str(tunnel)
+
+        if username is not None:
+            ssh_options = ssh_options + ' -l ' + username
+        elif ssh_config is None:
+            raise TypeError('login() needs either a username or an ssh_config')
+        else:  # make sure ssh_config has an entry for the server with a username
+            with open(ssh_config, 'rt') as f:
+                lines = [l.strip() for l in f.readlines()]
+
+            server_regex = r'^Host\s+%s\s*$' % server
+            user_regex = r'^User\s+\w+\s*$'
+            config_has_server = False
+            server_has_username = False
+            for line in lines:
+                if not config_has_server and re.match(server_regex, line, re.IGNORECASE):
+                    config_has_server = True
+                elif config_has_server and 'hostname' in line.lower():
+                    pass
+                elif config_has_server and 'host' in line.lower():
+                    server_has_username = False  # insurance
+                    break  # we have left the relevant section
+                elif config_has_server and re.match(user_regex, line, re.IGNORECASE):
+                    server_has_username = True
+                    break
+
+            if lines:
+                del line
+
+            del lines
+
+            if not config_has_server:
+                raise TypeError('login() ssh_config has no Host entry for %s' % server)
+            elif not server_has_username:
+                raise TypeError('login() ssh_config has no user entry for %s' % server)
+
+        cmd += " %s %s" % (ssh_options, server)
+        if self.debug_command_string:
+            return(cmd)
+
+        # Are we asking for a local ssh command or to spawn one in another session?
+        if spawn_local_ssh:
+            spawn._spawn(self, cmd)
+        else:
+            self.sendline(cmd)
+
+        # This does not distinguish between a remote server 'password' prompt
+        # and a local ssh 'passphrase' prompt (for unlocking a private key).
+        i = self.expect(session_init_regex_array, timeout=login_timeout)
+
+        # First phase
+        if i==0:
+            # New certificate -- always accept it.
+            # This is what you get if SSH does not have the remote host's
+            # public key stored in the 'known_hosts' cache.
+            self.sendline("yes")
+            i = self.expect(session_regex_array)
+        if i==2: # password or passphrase
+            self.sendline(password)
+            i = self.expect(session_regex_array)
+        if i==4:
+            self.sendline(terminal_type)
+            i = self.expect(session_regex_array)
+        if i==7:
+            self.close()
+            raise ExceptionPxssh('Could not establish connection to host')
+
+        # Second phase
+        if i==0:
+            # This is weird. This should not happen twice in a row.
+            self.close()
+            raise ExceptionPxssh('Weird error. Got "are you sure" prompt twice.')
+        elif i==1: # can occur if you have a public key pair set to authenticate.
+            ### TODO: May NOT be OK if expect() got tricked and matched a false prompt.
+            pass
+        elif i==2: # password prompt again
+            # For incorrect passwords, some ssh servers will
+            # ask for the password again, others return 'denied' right away.
+            # If we get the password prompt again then this means
+            # we didn't get the password right the first time.
+            self.close()
+            raise ExceptionPxssh('password refused')
+        elif i==3: # permission denied -- password was bad.
+            self.close()
+            raise ExceptionPxssh('permission denied')
+        elif i==4: # terminal type again? WTF?
+            self.close()
+            raise ExceptionPxssh('Weird error. Got "terminal type" prompt twice.')
+        elif i==5: # Timeout
+            #This is tricky... I presume that we are at the command-line prompt.
+            #It may be that the shell prompt was so weird that we couldn't match
+            #it. Or it may be that we couldn't log in for some other reason. I
+            #can't be sure, but it's safe to guess that we did login because if
+            #I presume wrong and we are not logged in then this should be caught
+            #later when I try to set the shell prompt.
+            pass
+        elif i==6: # Connection closed by remote host
+            self.close()
+            raise ExceptionPxssh('connection closed')
+        else: # Unexpected
+            self.close()
+            raise ExceptionPxssh('unexpected login response')
+        if sync_original_prompt:
+            if not self.sync_original_prompt(sync_multiplier):
+                self.close()
+                raise ExceptionPxssh('could not synchronize with original prompt')
+        # We appear to be in.
+        # set shell prompt to something unique.
+        if auto_prompt_reset:
+            if not self.set_unique_prompt():
+                self.close()
+                raise ExceptionPxssh('could not set shell prompt '
+                                     '(received: %r, expected: %r).' % (
+                                         self.before, self.PROMPT,))
+        return True
+
+    def logout (self):
+        '''Sends exit to the remote shell.
+
+        If there are stopped jobs then this automatically sends exit twice.
+        '''
+        self.sendline("exit")
+        index = self.expect([EOF, "(?i)there are stopped jobs"])
+        if index==1:
+            self.sendline("exit")
+            self.expect(EOF)
+        self.close()
+
+    def prompt(self, timeout=-1):
+        '''Match the next shell prompt.
+
+        This is little more than a short-cut to the :meth:`~pexpect.spawn.expect`
+        method. Note that if you called :meth:`login` with
+        ``auto_prompt_reset=False``, then before calling :meth:`prompt` you must
+        set the :attr:`PROMPT` attribute to a regex that it will use for
+        matching the prompt.
+
+        Calling :meth:`prompt` will erase the contents of the :attr:`before`
+        attribute even if no prompt is ever matched. If timeout is not given or
+        it is set to -1 then self.timeout is used.
+
+        :return: True if the shell prompt was matched, False if the timeout was
+                 reached.
+        '''
+
+        if timeout == -1:
+            timeout = self.timeout
+        i = self.expect([self.PROMPT, TIMEOUT], timeout=timeout)
+        if i==1:
+            return False
+        return True
+
+    def set_unique_prompt(self):
+        '''This sets the remote prompt to something more unique than ``#`` or ``$``.
+        This makes it easier for the :meth:`prompt` method to match the shell prompt
+        unambiguously. This method is called automatically by the :meth:`login`
+        method, but you may want to call it manually if you somehow reset the
+        shell prompt. For example, if you 'su' to a different user then you
+        will need to manually reset the prompt. This sends shell commands to
+        the remote host to set the prompt, so this assumes the remote host is
+        ready to receive commands.
+
+        Alternatively, you may use your own prompt pattern. In this case you
+        should call :meth:`login` with ``auto_prompt_reset=False``; then set the
+        :attr:`PROMPT` attribute to a regular expression. After that, the
+        :meth:`prompt` method will try to match your prompt pattern.
+        '''
+
+        self.sendline("unset PROMPT_COMMAND")
+        self.sendline(self.PROMPT_SET_SH) # sh-style
+        i = self.expect ([TIMEOUT, self.PROMPT], timeout=10)
+        if i == 0: # csh-style
+            self.sendline(self.PROMPT_SET_CSH)
+            i = self.expect([TIMEOUT, self.PROMPT], timeout=10)
+            if i == 0:
+                return False
+        return True
+
+# vi:ts=4:sw=4:expandtab:ft=python:

plugins/git_clone/pexpect/replwrap.py

@@ -0,0 +1,130 @@
+"""Generic wrapper for read-eval-print-loops, a.k.a. interactive shells
+"""
+import os.path
+import signal
+import sys
+
+import pexpect
+
+PY3 = (sys.version_info[0] >= 3)
+
+if PY3:
+    basestring = str
+
+PEXPECT_PROMPT = u'[PEXPECT_PROMPT>'
+PEXPECT_CONTINUATION_PROMPT = u'[PEXPECT_PROMPT+'
+
+class REPLWrapper(object):
+    """Wrapper for a REPL.
+
+    :param cmd_or_spawn: This can either be an instance of :class:`pexpect.spawn`
+      in which a REPL has already been started, or a str command to start a new
+      REPL process.
+    :param str orig_prompt: The prompt to expect at first.
+    :param str prompt_change: A command to change the prompt to something more
+      unique. If this is ``None``, the prompt will not be changed. This will
+      be formatted with the new and continuation prompts as positional
+      parameters, so you can use ``{}`` style formatting to insert them into
+      the command.
+    :param str new_prompt: The more unique prompt to expect after the change.
+    :param str extra_init_cmd: Commands to do extra initialisation, such as
+      disabling pagers.
+    """
+    def __init__(self, cmd_or_spawn, orig_prompt, prompt_change,
+                 new_prompt=PEXPECT_PROMPT,
+                 continuation_prompt=PEXPECT_CONTINUATION_PROMPT,
+                 extra_init_cmd=None):
+        if isinstance(cmd_or_spawn, basestring):
+            self.child = pexpect.spawn(cmd_or_spawn, echo=False, encoding='utf-8')
+        else:
+            self.child = cmd_or_spawn
+        if self.child.echo:
+            # Existing spawn instance has echo enabled, disable it
+            # to prevent our input from being repeated to output.
+            self.child.setecho(False)
+            self.child.waitnoecho()
+
+        if prompt_change is None:
+            self.prompt = orig_prompt
+        else:
+            self.set_prompt(orig_prompt,
+                        prompt_change.format(new_prompt, continuation_prompt))
+            self.prompt = new_prompt
+        self.continuation_prompt = continuation_prompt
+
+        self._expect_prompt()
+
+        if extra_init_cmd is not None:
+            self.run_command(extra_init_cmd)
+
+    def set_prompt(self, orig_prompt, prompt_change):
+        self.child.expect(orig_prompt)
+        self.child.sendline(prompt_change)
+
+    def _expect_prompt(self, timeout=-1, async_=False):
+        return self.child.expect_exact([self.prompt, self.continuation_prompt],
+                                       timeout=timeout, async_=async_)
+
+    def run_command(self, command, timeout=-1, async_=False):
+        """Send a command to the REPL, wait for and return output.
+
+        :param str command: The command to send. Trailing newlines are not needed.
+          This should be a complete block of input that will trigger execution;
+          if a continuation prompt is found after sending input, :exc:`ValueError`
+          will be raised.
+        :param int timeout: How long to wait for the next prompt. -1 means the
+          default from the :class:`pexpect.spawn` object (default 30 seconds).
+          None means to wait indefinitely.
+        :param bool async_: On Python 3.4, or Python 3.3 with asyncio
+          installed, passing ``async_=True`` will make this return an
+          :mod:`asyncio` Future, which you can yield from to get the same
+          result that this method would normally give directly.
+        """
+        # Split up multiline commands and feed them in bit-by-bit
+        cmdlines = command.splitlines()
+        # splitlines ignores trailing newlines - add it back in manually
+        if command.endswith('\n'):
+            cmdlines.append('')
+        if not cmdlines:
+            raise ValueError("No command was given")
+
+        if async_:
+            from ._async import repl_run_command_async
+            return repl_run_command_async(self, cmdlines, timeout)
+
+        res = []
+        self.child.sendline(cmdlines[0])
+        for line in cmdlines[1:]:
+            self._expect_prompt(timeout=timeout)
+            res.append(self.child.before)
+            self.child.sendline(line)
+
+        # Command was fully submitted, now wait for the next prompt
+        if self._expect_prompt(timeout=timeout) == 1:
+            # We got the continuation prompt - command was incomplete
+            self.child.kill(signal.SIGINT)
+            self._expect_prompt(timeout=1)
+            raise ValueError("Continuation prompt found - input was incomplete:\n"
+                             + command)
+        return u''.join(res + [self.child.before])
+
+def python(command="python"):
+    """Start a Python shell and return a :class:`REPLWrapper` object."""
+    return REPLWrapper(command, u">>> ", u"import sys; sys.ps1={0!r}; sys.ps2={1!r}")
+
+def bash(command="bash"):
+    """Start a bash shell and return a :class:`REPLWrapper` object."""
+    bashrc = os.path.join(os.path.dirname(__file__), 'bashrc.sh')
+    child = pexpect.spawn(command, ['--rcfile', bashrc], echo=False,
+                          encoding='utf-8')
+
+    # If the user runs 'env', the value of PS1 will be in the output. To avoid
+    # replwrap seeing that as the next prompt, we'll embed the marker characters
+    # for invisible characters in the prompt; these show up when inspecting the
+    # environment variable, but not when bash displays the prompt.
+    ps1 = PEXPECT_PROMPT[:5] + u'\\[\\]' + PEXPECT_PROMPT[5:]
+    ps2 = PEXPECT_CONTINUATION_PROMPT[:5] + u'\\[\\]' + PEXPECT_CONTINUATION_PROMPT[5:]
+    prompt_change = u"PS1='{0}' PS2='{1}' PROMPT_COMMAND=''".format(ps1, ps2)
+
+    return REPLWrapper(child, u'\\$', prompt_change,
+                       extra_init_cmd="export PAGER=cat")

plugins/git_clone/pexpect/run.py

@@ -0,0 +1,157 @@
+import sys
+import types
+
+from .exceptions import EOF, TIMEOUT
+from .pty_spawn import spawn
+
+def run(command, timeout=30, withexitstatus=False, events=None,
+        extra_args=None, logfile=None, cwd=None, env=None, **kwargs):
+
+    '''
+    This function runs the given command; waits for it to finish; then
+    returns all output as a string. STDERR is included in output. If the full
+    path to the command is not given then the path is searched.
+
+    Note that lines are terminated by CR/LF (\\r\\n) combination even on
+    UNIX-like systems because this is the standard for pseudottys. If you set
+    'withexitstatus' to true, then run will return a tuple of (command_output,
+    exitstatus). If 'withexitstatus' is false then this returns just
+    command_output.
+
+    The run() function can often be used instead of creating a spawn instance.
+    For example, the following code uses spawn::
+
+        from pexpect import *
+        child = spawn('scp foo user@example.com:.')
+        child.expect('(?i)password')
+        child.sendline(mypassword)
+
+    The previous code can be replace with the following::
+
+        from pexpect import *
+        run('scp foo user@example.com:.', events={'(?i)password': mypassword})
+
+    **Examples**
+
+    Start the apache daemon on the local machine::
+
+        from pexpect import *
+        run("/usr/local/apache/bin/apachectl start")
+
+    Check in a file using SVN::
+
+        from pexpect import *
+        run("svn ci -m 'automatic commit' my_file.py")
+
+    Run a command and capture exit status::
+
+        from pexpect import *
+        (command_output, exitstatus) = run('ls -l /bin', withexitstatus=1)
+
+    The following will run SSH and execute 'ls -l' on the remote machine. The
+    password 'secret' will be sent if the '(?i)password' pattern is ever seen::
+
+        run("ssh username@machine.example.com 'ls -l'",
+            events={'(?i)password':'secret\\n'})
+
+    This will start mencoder to rip a video from DVD. This will also display
+    progress ticks every 5 seconds as it runs. For example::
+
+        from pexpect import *
+        def print_ticks(d):
+            print d['event_count'],
+        run("mencoder dvd://1 -o video.avi -oac copy -ovc copy",
+            events={TIMEOUT:print_ticks}, timeout=5)
+
+    The 'events' argument should be either a dictionary or a tuple list that
+    contains patterns and responses. Whenever one of the patterns is seen
+    in the command output, run() will send the associated response string.
+    So, run() in the above example can be also written as:
+
+        run("mencoder dvd://1 -o video.avi -oac copy -ovc copy",
+            events=[(TIMEOUT,print_ticks)], timeout=5)
+
+    Use a tuple list for events if the command output requires a delicate
+    control over what pattern should be matched, since the tuple list is passed
+    to pexpect() as its pattern list, with the order of patterns preserved.
+
+    Note that you should put newlines in your string if Enter is necessary.
+
+    Like the example above, the responses may also contain a callback, either
+    a function or method.  It should accept a dictionary value as an argument.
+    The dictionary contains all the locals from the run() function, so you can
+    access the child spawn object or any other variable defined in run()
+    (event_count, child, and extra_args are the most useful). A callback may
+    return True to stop the current run process.  Otherwise run() continues
+    until the next event. A callback may also return a string which will be
+    sent to the child. 'extra_args' is not used by directly run(). It provides
+    a way to pass data to a callback function through run() through the locals
+    dictionary passed to a callback.
+
+    Like :class:`spawn`, passing *encoding* will make it work with unicode
+    instead of bytes. You can pass *codec_errors* to control how errors in
+    encoding and decoding are handled.
+    '''
+    if timeout == -1:
+        child = spawn(command, maxread=2000, logfile=logfile, cwd=cwd, env=env,
+                        **kwargs)
+    else:
+        child = spawn(command, timeout=timeout, maxread=2000, logfile=logfile,
+                cwd=cwd, env=env, **kwargs)
+    if isinstance(events, list):
+        patterns= [x for x,y in events]
+        responses = [y for x,y in events]
+    elif isinstance(events, dict):
+        patterns = list(events.keys())
+        responses = list(events.values())
+    else:
+        # This assumes EOF or TIMEOUT will eventually cause run to terminate.
+        patterns = None
+        responses = None
+    child_result_list = []
+    event_count = 0
+    while True:
+        try:
+            index = child.expect(patterns)
+            if isinstance(child.after, child.allowed_string_types):
+                child_result_list.append(child.before + child.after)
+            else:
+                # child.after may have been a TIMEOUT or EOF,
+                # which we don't want appended to the list.
+                child_result_list.append(child.before)
+            if isinstance(responses[index], child.allowed_string_types):
+                child.send(responses[index])
+            elif (isinstance(responses[index], types.FunctionType) or
+                  isinstance(responses[index], types.MethodType)):
+                callback_result = responses[index](locals())
+                sys.stdout.flush()
+                if isinstance(callback_result, child.allowed_string_types):
+                    child.send(callback_result)
+                elif callback_result:
+                    break
+            else:
+                raise TypeError("parameter `event' at index {index} must be "
+                                "a string, method, or function: {value!r}"
+                                .format(index=index, value=responses[index]))
+            event_count = event_count + 1
+        except TIMEOUT:
+            child_result_list.append(child.before)
+            break
+        except EOF:
+            child_result_list.append(child.before)
+            break
+    child_result = child.string_type().join(child_result_list)
+    if withexitstatus:
+        child.close()
+        return (child_result, child.exitstatus)
+    else:
+        return child_result
+
+def runu(command, timeout=30, withexitstatus=False, events=None,
+        extra_args=None, logfile=None, cwd=None, env=None, **kwargs):
+    """Deprecated: pass encoding to run() instead.
+    """
+    kwargs.setdefault('encoding', 'utf-8')
+    return run(command, timeout=timeout, withexitstatus=withexitstatus,
+                events=events, extra_args=extra_args, logfile=logfile, cwd=cwd,
+                env=env, **kwargs)

plugins/git_clone/pexpect/screen.py

@@ -0,0 +1,431 @@
+'''This implements a virtual screen. This is used to support ANSI terminal
+emulation. The screen representation and state is implemented in this class.
+Most of the methods are inspired by ANSI screen control codes. The
+:class:`~pexpect.ANSI.ANSI` class extends this class to add parsing of ANSI
+escape codes.
+
+PEXPECT LICENSE
+
+    This license is approved by the OSI and FSF as GPL-compatible.
+        http://opensource.org/licenses/isc-license.txt
+
+    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
+    PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
+    PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
+    COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+'''
+
+import codecs
+import copy
+import sys
+
+import warnings
+
+warnings.warn(("pexpect.screen and pexpect.ANSI are deprecated. "
+               "We recommend using pyte to emulate a terminal screen: "
+               "https://pypi.python.org/pypi/pyte"),
+               stacklevel=2)
+
+NUL = 0    # Fill character; ignored on input.
+ENQ = 5    # Transmit answerback message.
+BEL = 7    # Ring the bell.
+BS  = 8    # Move cursor left.
+HT  = 9    # Move cursor to next tab stop.
+LF = 10    # Line feed.
+VT = 11    # Same as LF.
+FF = 12    # Same as LF.
+CR = 13    # Move cursor to left margin or newline.
+SO = 14    # Invoke G1 character set.
+SI = 15    # Invoke G0 character set.
+XON = 17   # Resume transmission.
+XOFF = 19  # Halt transmission.
+CAN = 24   # Cancel escape sequence.
+SUB = 26   # Same as CAN.
+ESC = 27   # Introduce a control sequence.
+DEL = 127  # Fill character; ignored on input.
+SPACE = u' ' # Space or blank character.
+
+PY3 = (sys.version_info[0] >= 3)
+if PY3:
+    unicode = str
+
+def constrain (n, min, max):
+
+    '''This returns a number, n constrained to the min and max bounds. '''
+
+    if n < min:
+        return min
+    if n > max:
+        return max
+    return n
+
+class screen:
+    '''This object maintains the state of a virtual text screen as a
+    rectangular array. This maintains a virtual cursor position and handles
+    scrolling as characters are added. This supports most of the methods needed
+    by an ANSI text screen. Row and column indexes are 1-based (not zero-based,
+    like arrays).
+
+    Characters are represented internally using unicode. Methods that accept
+    input characters, when passed 'bytes' (which in Python 2 is equivalent to
+    'str'), convert them from the encoding specified in the 'encoding'
+    parameter to the constructor. Methods that return screen contents return
+    unicode strings, with the exception of __str__() under Python 2. Passing
+    ``encoding=None`` limits the API to only accept unicode input, so passing
+    bytes in will raise :exc:`TypeError`.
+    '''
+    def __init__(self, r=24, c=80, encoding='latin-1', encoding_errors='replace'):
+        '''This initializes a blank screen of the given dimensions.'''
+
+        self.rows = r
+        self.cols = c
+        self.encoding = encoding
+        self.encoding_errors = encoding_errors
+        if encoding is not None:
+            self.decoder = codecs.getincrementaldecoder(encoding)(encoding_errors)
+        else:
+            self.decoder = None
+        self.cur_r = 1
+        self.cur_c = 1
+        self.cur_saved_r = 1
+        self.cur_saved_c = 1
+        self.scroll_row_start = 1
+        self.scroll_row_end = self.rows
+        self.w = [ [SPACE] * self.cols for _ in range(self.rows)]
+
+    def _decode(self, s):
+        '''This converts from the external coding system (as passed to
+        the constructor) to the internal one (unicode). '''
+        if self.decoder is not None:
+            return self.decoder.decode(s)
+        else:
+            raise TypeError("This screen was constructed with encoding=None, "
+                            "so it does not handle bytes.")
+
+    def _unicode(self):
+        '''This returns a printable representation of the screen as a unicode
+        string (which, under Python 3.x, is the same as 'str'). The end of each
+        screen line is terminated by a newline.'''
+
+        return u'\n'.join ([ u''.join(c) for c in self.w ])
+
+    if PY3:
+        __str__ = _unicode
+    else:
+        __unicode__ = _unicode
+
+        def __str__(self):
+            '''This returns a printable representation of the screen. The end of
+            each screen line is terminated by a newline. '''
+            encoding = self.encoding or 'ascii'
+            return self._unicode().encode(encoding, 'replace')
+
+    def dump (self):
+        '''This returns a copy of the screen as a unicode string. This is similar to
+        __str__/__unicode__ except that lines are not terminated with line
+        feeds.'''
+
+        return u''.join ([ u''.join(c) for c in self.w ])
+
+    def pretty (self):
+        '''This returns a copy of the screen as a unicode string with an ASCII
+        text box around the screen border. This is similar to
+        __str__/__unicode__ except that it adds a box.'''
+
+        top_bot = u'+' + u'-'*self.cols + u'+\n'
+        return top_bot + u'\n'.join([u'|'+line+u'|' for line in unicode(self).split(u'\n')]) + u'\n' + top_bot
+
+    def fill (self, ch=SPACE):
+
+        if isinstance(ch, bytes):
+            ch = self._decode(ch)
+
+        self.fill_region (1,1,self.rows,self.cols, ch)
+
+    def fill_region (self, rs,cs, re,ce, ch=SPACE):
+
+        if isinstance(ch, bytes):
+            ch = self._decode(ch)
+
+        rs = constrain (rs, 1, self.rows)
+        re = constrain (re, 1, self.rows)
+        cs = constrain (cs, 1, self.cols)
+        ce = constrain (ce, 1, self.cols)
+        if rs > re:
+            rs, re = re, rs
+        if cs > ce:
+            cs, ce = ce, cs
+        for r in range (rs, re+1):
+            for c in range (cs, ce + 1):
+                self.put_abs (r,c,ch)
+
+    def cr (self):
+        '''This moves the cursor to the beginning (col 1) of the current row.
+        '''
+
+        self.cursor_home (self.cur_r, 1)
+
+    def lf (self):
+        '''This moves the cursor down with scrolling.
+        '''
+
+        old_r = self.cur_r
+        self.cursor_down()
+        if old_r == self.cur_r:
+            self.scroll_up ()
+            self.erase_line()
+
+    def crlf (self):
+        '''This advances the cursor with CRLF properties.
+        The cursor will line wrap and the screen may scroll.
+        '''
+
+        self.cr ()
+        self.lf ()
+
+    def newline (self):
+        '''This is an alias for crlf().
+        '''
+
+        self.crlf()
+
+    def put_abs (self, r, c, ch):
+        '''Screen array starts at 1 index.'''
+
+        r = constrain (r, 1, self.rows)
+        c = constrain (c, 1, self.cols)
+        if isinstance(ch, bytes):
+            ch = self._decode(ch)[0]
+        else:
+            ch = ch[0]
+        self.w[r-1][c-1] = ch
+
+    def put (self, ch):
+        '''This puts a characters at the current cursor position.
+        '''
+
+        if isinstance(ch, bytes):
+            ch = self._decode(ch)
+
+        self.put_abs (self.cur_r, self.cur_c, ch)
+
+    def insert_abs (self, r, c, ch):
+        '''This inserts a character at (r,c). Everything under
+        and to the right is shifted right one character.
+        The last character of the line is lost.
+        '''
+
+        if isinstance(ch, bytes):
+            ch = self._decode(ch)
+
+        r = constrain (r, 1, self.rows)
+        c = constrain (c, 1, self.cols)
+        for ci in range (self.cols, c, -1):
+            self.put_abs (r,ci, self.get_abs(r,ci-1))
+        self.put_abs (r,c,ch)
+
+    def insert (self, ch):
+
+        if isinstance(ch, bytes):
+            ch = self._decode(ch)
+
+        self.insert_abs (self.cur_r, self.cur_c, ch)
+
+    def get_abs (self, r, c):
+
+        r = constrain (r, 1, self.rows)
+        c = constrain (c, 1, self.cols)
+        return self.w[r-1][c-1]
+
+    def get (self):
+
+        self.get_abs (self.cur_r, self.cur_c)
+
+    def get_region (self, rs,cs, re,ce):
+        '''This returns a list of lines representing the region.
+        '''
+
+        rs = constrain (rs, 1, self.rows)
+        re = constrain (re, 1, self.rows)
+        cs = constrain (cs, 1, self.cols)
+        ce = constrain (ce, 1, self.cols)
+        if rs > re:
+            rs, re = re, rs
+        if cs > ce:
+            cs, ce = ce, cs
+        sc = []
+        for r in range (rs, re+1):
+            line = u''
+            for c in range (cs, ce + 1):
+                ch = self.get_abs (r,c)
+                line = line + ch
+            sc.append (line)
+        return sc
+
+    def cursor_constrain (self):
+        '''This keeps the cursor within the screen area.
+        '''
+
+        self.cur_r = constrain (self.cur_r, 1, self.rows)
+        self.cur_c = constrain (self.cur_c, 1, self.cols)
+
+    def cursor_home (self, r=1, c=1): # <ESC>[{ROW};{COLUMN}H
+
+        self.cur_r = r
+        self.cur_c = c
+        self.cursor_constrain ()
+
+    def cursor_back (self,count=1): # <ESC>[{COUNT}D (not confused with down)
+
+        self.cur_c = self.cur_c - count
+        self.cursor_constrain ()
+
+    def cursor_down (self,count=1): # <ESC>[{COUNT}B (not confused with back)
+
+        self.cur_r = self.cur_r + count
+        self.cursor_constrain ()
+
+    def cursor_forward (self,count=1): # <ESC>[{COUNT}C
+
+        self.cur_c = self.cur_c + count
+        self.cursor_constrain ()
+
+    def cursor_up (self,count=1): # <ESC>[{COUNT}A
+
+        self.cur_r = self.cur_r - count
+        self.cursor_constrain ()
+
+    def cursor_up_reverse (self): # <ESC> M   (called RI -- Reverse Index)
+
+        old_r = self.cur_r
+        self.cursor_up()
+        if old_r == self.cur_r:
+            self.scroll_up()
+
+    def cursor_force_position (self, r, c): # <ESC>[{ROW};{COLUMN}f
+        '''Identical to Cursor Home.'''
+
+        self.cursor_home (r, c)
+
+    def cursor_save (self): # <ESC>[s
+        '''Save current cursor position.'''
+
+        self.cursor_save_attrs()
+
+    def cursor_unsave (self): # <ESC>[u
+        '''Restores cursor position after a Save Cursor.'''
+
+        self.cursor_restore_attrs()
+
+    def cursor_save_attrs (self): # <ESC>7
+        '''Save current cursor position.'''
+
+        self.cur_saved_r = self.cur_r
+        self.cur_saved_c = self.cur_c
+
+    def cursor_restore_attrs (self): # <ESC>8
+        '''Restores cursor position after a Save Cursor.'''
+
+        self.cursor_home (self.cur_saved_r, self.cur_saved_c)
+
+    def scroll_constrain (self):
+        '''This keeps the scroll region within the screen region.'''
+
+        if self.scroll_row_start <= 0:
+            self.scroll_row_start = 1
+        if self.scroll_row_end > self.rows:
+            self.scroll_row_end = self.rows
+
+    def scroll_screen (self): # <ESC>[r
+        '''Enable scrolling for entire display.'''
+
+        self.scroll_row_start = 1
+        self.scroll_row_end = self.rows
+
+    def scroll_screen_rows (self, rs, re): # <ESC>[{start};{end}r
+        '''Enable scrolling from row {start} to row {end}.'''
+
+        self.scroll_row_start = rs
+        self.scroll_row_end = re
+        self.scroll_constrain()
+
+    def scroll_down (self): # <ESC>D
+        '''Scroll display down one line.'''
+
+        # Screen is indexed from 1, but arrays are indexed from 0.
+        s = self.scroll_row_start - 1
+        e = self.scroll_row_end - 1
+        self.w[s+1:e+1] = copy.deepcopy(self.w[s:e])
+
+    def scroll_up (self): # <ESC>M
+        '''Scroll display up one line.'''
+
+        # Screen is indexed from 1, but arrays are indexed from 0.
+        s = self.scroll_row_start - 1
+        e = self.scroll_row_end - 1
+        self.w[s:e] = copy.deepcopy(self.w[s+1:e+1])
+
+    def erase_end_of_line (self): # <ESC>[0K -or- <ESC>[K
+        '''Erases from the current cursor position to the end of the current
+        line.'''
+
+        self.fill_region (self.cur_r, self.cur_c, self.cur_r, self.cols)
+
+    def erase_start_of_line (self): # <ESC>[1K
+        '''Erases from the current cursor position to the start of the current
+        line.'''
+
+        self.fill_region (self.cur_r, 1, self.cur_r, self.cur_c)
+
+    def erase_line (self): # <ESC>[2K
+        '''Erases the entire current line.'''
+
+        self.fill_region (self.cur_r, 1, self.cur_r, self.cols)
+
+    def erase_down (self): # <ESC>[0J -or- <ESC>[J
+        '''Erases the screen from the current line down to the bottom of the
+        screen.'''
+
+        self.erase_end_of_line ()
+        self.fill_region (self.cur_r + 1, 1, self.rows, self.cols)
+
+    def erase_up (self): # <ESC>[1J
+        '''Erases the screen from the current line up to the top of the
+        screen.'''
+
+        self.erase_start_of_line ()
+        self.fill_region (self.cur_r-1, 1, 1, self.cols)
+
+    def erase_screen (self): # <ESC>[2J
+        '''Erases the screen with the background color.'''
+
+        self.fill ()
+
+    def set_tab (self): # <ESC>H
+        '''Sets a tab at the current position.'''
+
+        pass
+
+    def clear_tab (self): # <ESC>[g
+        '''Clears tab at the current position.'''
+
+        pass
+
+    def clear_all_tabs (self): # <ESC>[3g
+        '''Clears all tabs.'''
+
+        pass
+
+#        Insert line             Esc [ Pn L
+#        Delete line             Esc [ Pn M
+#        Delete character        Esc [ Pn P
+#        Scrolling region        Esc [ Pn(top);Pn(bot) r
+

plugins/git_clone/pexpect/spawnbase.py

@@ -0,0 +1,525 @@
+from io import StringIO, BytesIO
+import codecs
+import os
+import sys
+import re
+import errno
+from .exceptions import ExceptionPexpect, EOF, TIMEOUT
+from .expect import Expecter, searcher_string, searcher_re
+
+PY3 = (sys.version_info[0] >= 3)
+text_type = str if PY3 else unicode
+
+class _NullCoder(object):
+    """Pass bytes through unchanged."""
+    @staticmethod
+    def encode(b, final=False):
+        return b
+
+    @staticmethod
+    def decode(b, final=False):
+        return b
+
+class SpawnBase(object):
+    """A base class providing the backwards-compatible spawn API for Pexpect.
+
+    This should not be instantiated directly: use :class:`pexpect.spawn` or
+    :class:`pexpect.fdpexpect.fdspawn`.
+    """
+    encoding = None
+    pid = None
+    flag_eof = False
+
+    def __init__(self, timeout=30, maxread=2000, searchwindowsize=None,
+                 logfile=None, encoding=None, codec_errors='strict'):
+        self.stdin = sys.stdin
+        self.stdout = sys.stdout
+        self.stderr = sys.stderr
+
+        self.searcher = None
+        self.ignorecase = False
+        self.before = None
+        self.after = None
+        self.match = None
+        self.match_index = None
+        self.terminated = True
+        self.exitstatus = None
+        self.signalstatus = None
+        # status returned by os.waitpid
+        self.status = None
+        # the child file descriptor is initially closed
+        self.child_fd = -1
+        self.timeout = timeout
+        self.delimiter = EOF
+        self.logfile = logfile
+        # input from child (read_nonblocking)
+        self.logfile_read = None
+        # output to send (send, sendline)
+        self.logfile_send = None
+        # max bytes to read at one time into buffer
+        self.maxread = maxread
+        # Data before searchwindowsize point is preserved, but not searched.
+        self.searchwindowsize = searchwindowsize
+        # Delay used before sending data to child. Time in seconds.
+        # Set this to None to skip the time.sleep() call completely.
+        self.delaybeforesend = 0.05
+        # Used by close() to give kernel time to update process status.
+        # Time in seconds.
+        self.delayafterclose = 0.1
+        # Used by terminate() to give kernel time to update process status.
+        # Time in seconds.
+        self.delayafterterminate = 0.1
+        # Delay in seconds to sleep after each call to read_nonblocking().
+        # Set this to None to skip the time.sleep() call completely: that
+        # would restore the behavior from pexpect-2.0 (for performance
+        # reasons or because you don't want to release Python's global
+        # interpreter lock).
+        self.delayafterread = 0.0001
+        self.softspace = False
+        self.name = '<' + repr(self) + '>'
+        self.closed = True
+
+        # Unicode interface
+        self.encoding = encoding
+        self.codec_errors = codec_errors
+        if encoding is None:
+            # bytes mode (accepts some unicode for backwards compatibility)
+            self._encoder = self._decoder = _NullCoder()
+            self.string_type = bytes
+            self.buffer_type = BytesIO
+            self.crlf = b'\r\n'
+            if PY3:
+                self.allowed_string_types = (bytes, str)
+                self.linesep = os.linesep.encode('ascii')
+                def write_to_stdout(b):
+                    try:
+                        return sys.stdout.buffer.write(b)
+                    except AttributeError:
+                        # If stdout has been replaced, it may not have .buffer
+                        return sys.stdout.write(b.decode('ascii', 'replace'))
+                self.write_to_stdout = write_to_stdout
+            else:
+                self.allowed_string_types = (basestring,)  # analysis:ignore
+                self.linesep = os.linesep
+                self.write_to_stdout = sys.stdout.write
+        else:
+            # unicode mode
+            self._encoder = codecs.getincrementalencoder(encoding)(codec_errors)
+            self._decoder = codecs.getincrementaldecoder(encoding)(codec_errors)
+            self.string_type = text_type
+            self.buffer_type = StringIO
+            self.crlf = u'\r\n'
+            self.allowed_string_types = (text_type, )
+            if PY3:
+                self.linesep = os.linesep
+            else:
+                self.linesep = os.linesep.decode('ascii')
+            # This can handle unicode in both Python 2 and 3
+            self.write_to_stdout = sys.stdout.write
+        # storage for async transport
+        self.async_pw_transport = None
+        # This is the read buffer. See maxread.
+        self._buffer = self.buffer_type()
+        # The buffer may be trimmed for efficiency reasons.  This is the
+        # untrimmed buffer, used to create the before attribute.
+        self._before = self.buffer_type()
+
+    def _log(self, s, direction):
+        if self.logfile is not None:
+            self.logfile.write(s)
+            self.logfile.flush()
+        second_log = self.logfile_send if (direction=='send') else self.logfile_read
+        if second_log is not None:
+            second_log.write(s)
+            second_log.flush()
+
+    # For backwards compatibility, in bytes mode (when encoding is None)
+    # unicode is accepted for send and expect. Unicode mode is strictly unicode
+    # only.
+    def _coerce_expect_string(self, s):
+        if self.encoding is None and not isinstance(s, bytes):
+            return s.encode('ascii')
+        return s
+
+    def _coerce_send_string(self, s):
+        if self.encoding is None and not isinstance(s, bytes):
+            return s.encode('utf-8')
+        return s
+
+    def _get_buffer(self):
+        return self._buffer.getvalue()
+
+    def _set_buffer(self, value):
+        self._buffer = self.buffer_type()
+        self._buffer.write(value)
+
+    # This property is provided for backwards compatability (self.buffer used
+    # to be a string/bytes object)
+    buffer = property(_get_buffer, _set_buffer)
+
+    def read_nonblocking(self, size=1, timeout=None):
+        """This reads data from the file descriptor.
+
+        This is a simple implementation suitable for a regular file. Subclasses using ptys or pipes should override it.
+
+        The timeout parameter is ignored.
+        """
+
+        try:
+            s = os.read(self.child_fd, size)
+        except OSError as err:
+            if err.args[0] == errno.EIO:
+                # Linux-style EOF
+                self.flag_eof = True
+                raise EOF('End Of File (EOF). Exception style platform.')
+            raise
+        if s == b'':
+            # BSD-style EOF
+            self.flag_eof = True
+            raise EOF('End Of File (EOF). Empty string style platform.')
+
+        s = self._decoder.decode(s, final=False)
+        self._log(s, 'read')
+        return s
+
+    def _pattern_type_err(self, pattern):
+        raise TypeError('got {badtype} ({badobj!r}) as pattern, must be one'
+                        ' of: {goodtypes}, pexpect.EOF, pexpect.TIMEOUT'\
+                        .format(badtype=type(pattern),
+                                badobj=pattern,
+                                goodtypes=', '.join([str(ast)\
+                                    for ast in self.allowed_string_types])
+                                )
+                        )
+
+    def compile_pattern_list(self, patterns):
+        '''This compiles a pattern-string or a list of pattern-strings.
+        Patterns must be a StringType, EOF, TIMEOUT, SRE_Pattern, or a list of
+        those. Patterns may also be None which results in an empty list (you
+        might do this if waiting for an EOF or TIMEOUT condition without
+        expecting any pattern).
+
+        This is used by expect() when calling expect_list(). Thus expect() is
+        nothing more than::
+
+             cpl = self.compile_pattern_list(pl)
+             return self.expect_list(cpl, timeout)
+
+        If you are using expect() within a loop it may be more
+        efficient to compile the patterns first and then call expect_list().
+        This avoid calls in a loop to compile_pattern_list()::
+
+             cpl = self.compile_pattern_list(my_pattern)
+             while some_condition:
+                ...
+                i = self.expect_list(cpl, timeout)
+                ...
+        '''
+
+        if patterns is None:
+            return []
+        if not isinstance(patterns, list):
+            patterns = [patterns]
+
+        # Allow dot to match \n
+        compile_flags = re.DOTALL
+        if self.ignorecase:
+            compile_flags = compile_flags | re.IGNORECASE
+        compiled_pattern_list = []
+        for idx, p in enumerate(patterns):
+            if isinstance(p, self.allowed_string_types):
+                p = self._coerce_expect_string(p)
+                compiled_pattern_list.append(re.compile(p, compile_flags))
+            elif p is EOF:
+                compiled_pattern_list.append(EOF)
+            elif p is TIMEOUT:
+                compiled_pattern_list.append(TIMEOUT)
+            elif isinstance(p, type(re.compile(''))):
+                compiled_pattern_list.append(p)
+            else:
+                self._pattern_type_err(p)
+        return compiled_pattern_list
+
+    def expect(self, pattern, timeout=-1, searchwindowsize=-1, async_=False, **kw):
+        '''This seeks through the stream until a pattern is matched. The
+        pattern is overloaded and may take several types. The pattern can be a
+        StringType, EOF, a compiled re, or a list of any of those types.
+        Strings will be compiled to re types. This returns the index into the
+        pattern list. If the pattern was not a list this returns index 0 on a
+        successful match. This may raise exceptions for EOF or TIMEOUT. To
+        avoid the EOF or TIMEOUT exceptions add EOF or TIMEOUT to the pattern
+        list. That will cause expect to match an EOF or TIMEOUT condition
+        instead of raising an exception.
+
+        If you pass a list of patterns and more than one matches, the first
+        match in the stream is chosen. If more than one pattern matches at that
+        point, the leftmost in the pattern list is chosen. For example::
+
+            # the input is 'foobar'
+            index = p.expect(['bar', 'foo', 'foobar'])
+            # returns 1('foo') even though 'foobar' is a "better" match
+
+        Please note, however, that buffering can affect this behavior, since
+        input arrives in unpredictable chunks. For example::
+
+            # the input is 'foobar'
+            index = p.expect(['foobar', 'foo'])
+            # returns 0('foobar') if all input is available at once,
+            # but returns 1('foo') if parts of the final 'bar' arrive late
+
+        When a match is found for the given pattern, the class instance
+        attribute *match* becomes an re.MatchObject result.  Should an EOF
+        or TIMEOUT pattern match, then the match attribute will be an instance
+        of that exception class.  The pairing before and after class
+        instance attributes are views of the data preceding and following
+        the matching pattern.  On general exception, class attribute
+        *before* is all data received up to the exception, while *match* and
+        *after* attributes are value None.
+
+        When the keyword argument timeout is -1 (default), then TIMEOUT will
+        raise after the default value specified by the class timeout
+        attribute. When None, TIMEOUT will not be raised and may block
+        indefinitely until match.
+
+        When the keyword argument searchwindowsize is -1 (default), then the
+        value specified by the class maxread attribute is used.
+
+        A list entry may be EOF or TIMEOUT instead of a string. This will
+        catch these exceptions and return the index of the list entry instead
+        of raising the exception. The attribute 'after' will be set to the
+        exception type. The attribute 'match' will be None. This allows you to
+        write code like this::
+
+                index = p.expect(['good', 'bad', pexpect.EOF, pexpect.TIMEOUT])
+                if index == 0:
+                    do_something()
+                elif index == 1:
+                    do_something_else()
+                elif index == 2:
+                    do_some_other_thing()
+                elif index == 3:
+                    do_something_completely_different()
+
+        instead of code like this::
+
+                try:
+                    index = p.expect(['good', 'bad'])
+                    if index == 0:
+                        do_something()
+                    elif index == 1:
+                        do_something_else()
+                except EOF:
+                    do_some_other_thing()
+                except TIMEOUT:
+                    do_something_completely_different()
+
+        These two forms are equivalent. It all depends on what you want. You
+        can also just expect the EOF if you are waiting for all output of a
+        child to finish. For example::
+
+                p = pexpect.spawn('/bin/ls')
+                p.expect(pexpect.EOF)
+                print p.before
+
+        If you are trying to optimize for speed then see expect_list().
+
+        On Python 3.4, or Python 3.3 with asyncio installed, passing
+        ``async_=True``  will make this return an :mod:`asyncio` coroutine,
+        which you can yield from to get the same result that this method would
+        normally give directly. So, inside a coroutine, you can replace this code::
+
+            index = p.expect(patterns)
+
+        With this non-blocking form::
+
+            index = yield from p.expect(patterns, async_=True)
+        '''
+        if 'async' in kw:
+            async_ = kw.pop('async')
+        if kw:
+            raise TypeError("Unknown keyword arguments: {}".format(kw))
+
+        compiled_pattern_list = self.compile_pattern_list(pattern)
+        return self.expect_list(compiled_pattern_list,
+                timeout, searchwindowsize, async_)
+
+    def expect_list(self, pattern_list, timeout=-1, searchwindowsize=-1,
+                    async_=False, **kw):
+        '''This takes a list of compiled regular expressions and returns the
+        index into the pattern_list that matched the child output. The list may
+        also contain EOF or TIMEOUT(which are not compiled regular
+        expressions). This method is similar to the expect() method except that
+        expect_list() does not recompile the pattern list on every call. This
+        may help if you are trying to optimize for speed, otherwise just use
+        the expect() method.  This is called by expect().
+
+
+        Like :meth:`expect`, passing ``async_=True`` will make this return an
+        asyncio coroutine.
+        '''
+        if timeout == -1:
+            timeout = self.timeout
+        if 'async' in kw:
+            async_ = kw.pop('async')
+        if kw:
+            raise TypeError("Unknown keyword arguments: {}".format(kw))
+
+        exp = Expecter(self, searcher_re(pattern_list), searchwindowsize)
+        if async_:
+            from ._async import expect_async
+            return expect_async(exp, timeout)
+        else:
+            return exp.expect_loop(timeout)
+
+    def expect_exact(self, pattern_list, timeout=-1, searchwindowsize=-1,
+                     async_=False, **kw):
+
+        '''This is similar to expect(), but uses plain string matching instead
+        of compiled regular expressions in 'pattern_list'. The 'pattern_list'
+        may be a string; a list or other sequence of strings; or TIMEOUT and
+        EOF.
+
+        This call might be faster than expect() for two reasons: string
+        searching is faster than RE matching and it is possible to limit the
+        search to just the end of the input buffer.
+
+        This method is also useful when you don't want to have to worry about
+        escaping regular expression characters that you want to match.
+
+        Like :meth:`expect`, passing ``async_=True`` will make this return an
+        asyncio coroutine.
+        '''
+        if timeout == -1:
+            timeout = self.timeout
+        if 'async' in kw:
+            async_ = kw.pop('async')
+        if kw:
+            raise TypeError("Unknown keyword arguments: {}".format(kw))
+
+        if (isinstance(pattern_list, self.allowed_string_types) or
+                pattern_list in (TIMEOUT, EOF)):
+            pattern_list = [pattern_list]
+
+        def prepare_pattern(pattern):
+            if pattern in (TIMEOUT, EOF):
+                return pattern
+            if isinstance(pattern, self.allowed_string_types):
+                return self._coerce_expect_string(pattern)
+            self._pattern_type_err(pattern)
+
+        try:
+            pattern_list = iter(pattern_list)
+        except TypeError:
+            self._pattern_type_err(pattern_list)
+        pattern_list = [prepare_pattern(p) for p in pattern_list]
+
+        exp = Expecter(self, searcher_string(pattern_list), searchwindowsize)
+        if async_:
+            from ._async import expect_async
+            return expect_async(exp, timeout)
+        else:
+            return exp.expect_loop(timeout)
+
+    def expect_loop(self, searcher, timeout=-1, searchwindowsize=-1):
+        '''This is the common loop used inside expect. The 'searcher' should be
+        an instance of searcher_re or searcher_string, which describes how and
+        what to search for in the input.
+
+        See expect() for other arguments, return value and exceptions. '''
+
+        exp = Expecter(self, searcher, searchwindowsize)
+        return exp.expect_loop(timeout)
+
+    def read(self, size=-1):
+        '''This reads at most "size" bytes from the file (less if the read hits
+        EOF before obtaining size bytes). If the size argument is negative or
+        omitted, read all data until EOF is reached. The bytes are returned as
+        a string object. An empty string is returned when EOF is encountered
+        immediately. '''
+
+        if size == 0:
+            return self.string_type()
+        if size < 0:
+            # delimiter default is EOF
+            self.expect(self.delimiter)
+            return self.before
+
+        # I could have done this more directly by not using expect(), but
+        # I deliberately decided to couple read() to expect() so that
+        # I would catch any bugs early and ensure consistent behavior.
+        # It's a little less efficient, but there is less for me to
+        # worry about if I have to later modify read() or expect().
+        # Note, it's OK if size==-1 in the regex. That just means it
+        # will never match anything in which case we stop only on EOF.
+        cre = re.compile(self._coerce_expect_string('.{%d}' % size), re.DOTALL)
+        # delimiter default is EOF
+        index = self.expect([cre, self.delimiter])
+        if index == 0:
+            ### FIXME self.before should be ''. Should I assert this?
+            return self.after
+        return self.before
+
+    def readline(self, size=-1):
+        '''This reads and returns one entire line. The newline at the end of
+        line is returned as part of the string, unless the file ends without a
+        newline. An empty string is returned if EOF is encountered immediately.
+        This looks for a newline as a CR/LF pair (\\r\\n) even on UNIX because
+        this is what the pseudotty device returns. So contrary to what you may
+        expect you will receive newlines as \\r\\n.
+
+        If the size argument is 0 then an empty string is returned. In all
+        other cases the size argument is ignored, which is not standard
+        behavior for a file-like object. '''
+
+        if size == 0:
+            return self.string_type()
+        # delimiter default is EOF
+        index = self.expect([self.crlf, self.delimiter])
+        if index == 0:
+            return self.before + self.crlf
+        else:
+            return self.before
+
+    def __iter__(self):
+        '''This is to support iterators over a file-like object.
+        '''
+        return iter(self.readline, self.string_type())
+
+    def readlines(self, sizehint=-1):
+        '''This reads until EOF using readline() and returns a list containing
+        the lines thus read. The optional 'sizehint' argument is ignored.
+        Remember, because this reads until EOF that means the child
+        process should have closed its stdout. If you run this method on
+        a child that is still running with its stdout open then this
+        method will block until it timesout.'''
+
+        lines = []
+        while True:
+            line = self.readline()
+            if not line:
+                break
+            lines.append(line)
+        return lines
+
+    def fileno(self):
+        '''Expose file descriptor for a file-like interface
+        '''
+        return self.child_fd
+
+    def flush(self):
+        '''This does nothing. It is here to support the interface for a
+        File-like object. '''
+        pass
+
+    def isatty(self):
+        """Overridden in subclass using tty"""
+        return False
+
+    # For 'with spawn(...) as child:'
+    def __enter__(self):
+        return self
+
+    def __exit__(self, etype, evalue, tb):
+        # We rely on subclasses to implement close(). If they don't, it's not
+        # clear what a context manager should do.
+        self.close()

plugins/git_clone/pexpect/utils.py

@@ -0,0 +1,187 @@
+import os
+import sys
+import stat
+import select
+import time
+import errno
+
+try:
+    InterruptedError
+except NameError:
+    # Alias Python2 exception to Python3
+    InterruptedError = select.error
+
+if sys.version_info[0] >= 3:
+    string_types = (str,)
+else:
+    string_types = (unicode, str)
+
+
+def is_executable_file(path):
+    """Checks that path is an executable regular file, or a symlink towards one.
+
+    This is roughly ``os.path isfile(path) and os.access(path, os.X_OK)``.
+    """
+    # follow symlinks,
+    fpath = os.path.realpath(path)
+
+    if not os.path.isfile(fpath):
+        # non-files (directories, fifo, etc.)
+        return False
+
+    mode = os.stat(fpath).st_mode
+
+    if (sys.platform.startswith('sunos')
+            and os.getuid() == 0):
+        # When root on Solaris, os.X_OK is True for *all* files, irregardless
+        # of their executability -- instead, any permission bit of any user,
+        # group, or other is fine enough.
+        #
+        # (This may be true for other "Unix98" OS's such as HP-UX and AIX)
+        return bool(mode & (stat.S_IXUSR |
+                            stat.S_IXGRP |
+                            stat.S_IXOTH))
+
+    return os.access(fpath, os.X_OK)
+
+
+def which(filename, env=None):
+    '''This takes a given filename; tries to find it in the environment path;
+    then checks if it is executable. This returns the full path to the filename
+    if found and executable. Otherwise this returns None.'''
+
+    # Special case where filename contains an explicit path.
+    if os.path.dirname(filename) != '' and is_executable_file(filename):
+        return filename
+    if env is None:
+        env = os.environ
+    p = env.get('PATH')
+    if not p:
+        p = os.defpath
+    pathlist = p.split(os.pathsep)
+    for path in pathlist:
+        ff = os.path.join(path, filename)
+        if is_executable_file(ff):
+            return ff
+    return None
+
+
+def split_command_line(command_line):
+
+    '''This splits a command line into a list of arguments. It splits arguments
+    on spaces, but handles embedded quotes, doublequotes, and escaped
+    characters. It's impossible to do this with a regular expression, so I
+    wrote a little state machine to parse the command line. '''
+
+    arg_list = []
+    arg = ''
+
+    # Constants to name the states we can be in.
+    state_basic = 0
+    state_esc = 1
+    state_singlequote = 2
+    state_doublequote = 3
+    # The state when consuming whitespace between commands.
+    state_whitespace = 4
+    state = state_basic
+
+    for c in command_line:
+        if state == state_basic or state == state_whitespace:
+            if c == '\\':
+                # Escape the next character
+                state = state_esc
+            elif c == r"'":
+                # Handle single quote
+                state = state_singlequote
+            elif c == r'"':
+                # Handle double quote
+                state = state_doublequote
+            elif c.isspace():
+                # Add arg to arg_list if we aren't in the middle of whitespace.
+                if state == state_whitespace:
+                    # Do nothing.
+                    None
+                else:
+                    arg_list.append(arg)
+                    arg = ''
+                    state = state_whitespace
+            else:
+                arg = arg + c
+                state = state_basic
+        elif state == state_esc:
+            arg = arg + c
+            state = state_basic
+        elif state == state_singlequote:
+            if c == r"'":
+                state = state_basic
+            else:
+                arg = arg + c
+        elif state == state_doublequote:
+            if c == r'"':
+                state = state_basic
+            else:
+                arg = arg + c
+
+    if arg != '':
+        arg_list.append(arg)
+    return arg_list
+
+
+def select_ignore_interrupts(iwtd, owtd, ewtd, timeout=None):
+
+    '''This is a wrapper around select.select() that ignores signals. If
+    select.select raises a select.error exception and errno is an EINTR
+    error then it is ignored. Mainly this is used to ignore sigwinch
+    (terminal resize). '''
+
+    # if select() is interrupted by a signal (errno==EINTR) then
+    # we loop back and enter the select() again.
+    if timeout is not None:
+        end_time = time.time() + timeout
+    while True:
+        try:
+            return select.select(iwtd, owtd, ewtd, timeout)
+        except InterruptedError:
+            err = sys.exc_info()[1]
+            if err.args[0] == errno.EINTR:
+                # if we loop back we have to subtract the
+                # amount of time we already waited.
+                if timeout is not None:
+                    timeout = end_time - time.time()
+                    if timeout < 0:
+                        return([], [], [])
+            else:
+                # something else caused the select.error, so
+                # this actually is an exception.
+                raise
+
+
+def poll_ignore_interrupts(fds, timeout=None):
+    '''Simple wrapper around poll to register file descriptors and
+    ignore signals.'''
+
+    if timeout is not None:
+        end_time = time.time() + timeout
+
+    poller = select.poll()
+    for fd in fds:
+        poller.register(fd, select.POLLIN | select.POLLPRI | select.POLLHUP | select.POLLERR)
+
+    while True:
+        try:
+            timeout_ms = None if timeout is None else timeout * 1000
+            results = poller.poll(timeout_ms)
+            return [afd for afd, _ in results]
+        except InterruptedError:
+            err = sys.exc_info()[1]
+            if err.args[0] == errno.EINTR:
+                # if we loop back we have to subtract the
+                # amount of time we already waited.
+                if timeout is not None:
+                    timeout = end_time - time.time()
+                    if timeout < 0:
+                        return []
+            else:
+                # something else caused the select.error, so
+                # this actually is an exception.
+                raise

plugins/git_clone/plugin.py

@@ -5,6 +5,7 @@ import subprocess
 import time
 
 # Lib imports
+from . import pexpect
 import gi
 gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
@@ -21,6 +22,10 @@ def threaded(fn):
 
 
 
+class GitClonePluginException(Exception):
+    ...
+
+
 
 class Plugin(PluginBase):
     def __init__(self):
@@ -42,9 +47,38 @@ class Plugin(PluginBase):
     def _do_download(self, widget=None, eve=None):
         self._event_system.emit("get_current_state")
 
-        dir = self._fm_state.tab.get_current_directory()
+        self.get_user_and_pass()
-        self._download(dir)
+        dir    = self._fm_state.tab.get_current_directory()
+        events = {
+                    '(?i)Username': self.get_user(),
+                    '(?i)Password': self.get_pass()
+                }
+
+        self._download(dir, events)
 
     @threaded
-    def _download(self, dir):
+    def _download(self, dir, _events):
-        subprocess.Popen([f'{self.path}/download.sh', dir])
+        git_clone_link = self.get_clipboard_data()
+        pexpect.run(f"git clone {git_clone_link}", cwd = dir, events=_events)
+
+
+    def get_user_and_pass(self):
+        response = self._fm_state.user_pass_dialog.run()
+        if response in (-4, -6):
+            raise GitClonePluginException("User canceled request...")
+
+
+    def get_user(self):
+        user   = self._fm_state.user_pass_dialog.user_input.get_text()
+        return f"{user}\n"
+
+    def get_pass(self):
+        passwd = self._fm_state.user_pass_dialog.pass_input.get_text()
+        return f"{passwd}\n"
+
+
+    def get_clipboard_data(self, encoding="utf-8") -> str:
+        proc    = subprocess.Popen(['xclip','-selection', 'clipboard', '-o'], stdout=subprocess.PIPE)
+        retcode = proc.wait()
+        data    = proc.stdout.read()
+        return data.decode(encoding).strip()

plugins/translate/brotli/__init__.py

@@ -0,0 +1,6 @@
+# -*- coding: utf-8 -*-
+# flake8: noqa
+from .brotli import (
+    decompress, Decompressor, compress, BrotliEncoderMode, DEFAULT_MODE,
+    Compressor, MODE_GENERIC, MODE_TEXT, MODE_FONT, error, Error
+)

plugins/translate/brotli/brotli.py

@@ -0,0 +1,466 @@
+# -*- coding: utf-8 -*-
+import math
+import enum
+
+from ._brotli import ffi, lib
+
+
+class Error(Exception):
+    """
+    Raised whenever an error is encountered with compressing or decompressing
+    data using brotlipy.
+
+    .. versionadded:: 0.5.1
+    """
+    pass
+
+
+#: An alias of :class:`Error <brotli.Error>` that exists for compatibility with
+#: the original C brotli module.
+#:
+#: .. versionadded: 0.5.1
+error = Error
+
+
+class BrotliEncoderMode(enum.IntEnum):
+    """
+    Compression modes for the Brotli encoder.
+
+    .. versionadded:: 0.5.0
+    """
+    #: Default compression mode. The compressor does not know anything in
+    #: advance about the properties of the input.
+    GENERIC = lib.BROTLI_MODE_GENERIC
+
+    #: Compression mode for UTF-8 format text input.
+    TEXT = lib.BROTLI_MODE_TEXT
+
+    #: Compression mode used in WOFF 2.0
+    FONT = lib.BROTLI_MODE_FONT
+
+
+# Define some names for compatibility with the C module.
+
+#: The default compression mode for brotli.
+DEFAULT_MODE = BrotliEncoderMode(lib.BROTLI_DEFAULT_MODE)
+
+
+#: A compression mode where the compressor does not know anything in advance
+#: about the properties of the input.
+#:
+#: .. note:: This name is defined for compatibility with the Brotli C
+#:           extension. If you're not interested in that compatibility, it is
+#:           recommended that you use :class:`BrotliEncoderMode
+#:           <brotli.BrotliEncoderMode>` instead.
+#:
+#: .. versionadded:: 0.5.0
+MODE_GENERIC = BrotliEncoderMode.GENERIC
+
+
+#: A compression mode for UTF-8 format text input.
+#:
+#: .. note:: This name is defined for compatibility with the Brotli C
+#:           extension. If you're not interested in that compatibility, it is
+#:           recommended that you use :class:`BrotliEncoderMode
+#:           <brotli.BrotliEncoderMode>` instead.
+#:
+#: .. versionadded:: 0.5.0
+MODE_TEXT = BrotliEncoderMode.TEXT
+
+
+#: The compression mode used in WOFF 2.0.
+#:
+#: .. note:: This name is defined for compatibility with the Brotli C
+#:           extension. If you're not interested in that compatibility, it is
+#:           recommended that you use :class:`BrotliEncoderMode
+#:           <brotli.BrotliEncoderMode>` instead.
+#:
+#: .. versionadded:: 0.5.0
+MODE_FONT = BrotliEncoderMode.FONT
+
+
+def decompress(data):
+    """
+    Decompress a complete Brotli-compressed string.
+
+    :param data: A bytestring containing Brotli-compressed data.
+    """
+    d = Decompressor()
+    data = d.decompress(data)
+    d.finish()
+    return data
+
+
+def compress(data,
+             mode=DEFAULT_MODE,
+             quality=lib.BROTLI_DEFAULT_QUALITY,
+             lgwin=lib.BROTLI_DEFAULT_WINDOW,
+             lgblock=0,
+             dictionary=b''):
+    """
+    Compress a string using Brotli.
+
+    .. versionchanged:: 0.5.0
+       Added ``mode``, ``quality``, `lgwin``, ``lgblock``, and ``dictionary``
+       parameters.
+
+    :param data: A bytestring containing the data to compress.
+    :type data: ``bytes``
+
+    :param mode: The encoder mode.
+    :type mode: :class:`BrotliEncoderMode` or ``int``
+
+    :param quality: Controls the compression-speed vs compression-density
+        tradeoffs. The higher the quality, the slower the compression. The
+        range of this value is 0 to 11.
+    :type quality: ``int``
+
+    :param lgwin: The base-2 logarithm of the sliding window size. The range of
+        this value is 10 to 24.
+    :type lgwin: ``int``
+
+    :param lgblock: The base-2 logarithm of the maximum input block size. The
+        range of this value is 16 to 24. If set to 0, the value will be set
+        based on ``quality``.
+    :type lgblock: ``int``
+
+    :param dictionary: A pre-set dictionary for LZ77. Please use this with
+        caution: if a dictionary is used for compression, the same dictionary
+        **must** be used for decompression!
+    :type dictionary: ``bytes``
+
+    :returns: The compressed bytestring.
+    :rtype: ``bytes``
+    """
+    # This method uses private variables on the Compressor object, and
+    # generally does a whole lot of stuff that's not supported by the public
+    # API. The goal here is to minimise the number of allocations and copies
+    # we have to do. Users should prefer this method over the Compressor if
+    # they know they have single-shot data.
+    compressor = Compressor(
+        mode=mode,
+        quality=quality,
+        lgwin=lgwin,
+        lgblock=lgblock,
+        dictionary=dictionary
+    )
+    compressed_data = compressor._compress(data, lib.BROTLI_OPERATION_FINISH)
+    assert lib.BrotliEncoderIsFinished(compressor._encoder) == lib.BROTLI_TRUE
+    assert (
+        lib.BrotliEncoderHasMoreOutput(compressor._encoder) == lib.BROTLI_FALSE
+    )
+    return compressed_data
+
+
+def _validate_mode(val):
+    """
+    Validate that the mode is valid.
+    """
+    try:
+        val = BrotliEncoderMode(val)
+    except ValueError:
+        raise Error("%s is not a valid encoder mode" % val)
+
+
+def _validate_quality(val):
+    """
+    Validate that the quality setting is valid.
+    """
+    if not (0 <= val <= 11):
+        raise Error(
+            "%d is not a valid quality, must be between 0 and 11" % val
+        )
+
+
+def _validate_lgwin(val):
+    """
+    Validate that the lgwin setting is valid.
+    """
+    if not (10 <= val <= 24):
+        raise Error("%d is not a valid lgwin, must be between 10 and 24" % val)
+
+
+def _validate_lgblock(val):
+    """
+    Validate that the lgblock setting is valid.
+    """
+    if (val != 0) and not (16 <= val <= 24):
+        raise Error(
+            "%d is not a valid lgblock, must be either 0 or between 16 and 24"
+            % val
+        )
+
+
+def _set_parameter(encoder, parameter, parameter_name, val):
+    """
+    This helper function sets a specific Brotli encoder parameter, checking
+    the return code and raising :class:`Error <brotli.Error>` if it is
+    invalid.
+    """
+    rc = lib.BrotliEncoderSetParameter(encoder, parameter, val)
+
+    if parameter == lib.BROTLI_PARAM_MODE:
+        _validate_mode(val)
+    elif parameter == lib.BROTLI_PARAM_QUALITY:
+        _validate_quality(val)
+    elif parameter == lib.BROTLI_PARAM_LGWIN:
+        _validate_lgwin(val)
+    elif parameter == lib.BROTLI_PARAM_LGBLOCK:
+        _validate_lgblock(val)
+    else:  # pragma: no cover
+        raise RuntimeError("Unexpected parameter!")
+
+    # This block is defensive: I see no way to hit it, but as long as the
+    # function returns a value we can live in hope that the brotli folks will
+    # enforce their own constraints.
+    if rc != lib.BROTLI_TRUE:  # pragma: no cover
+        raise Error(
+            "Error setting parameter %s: %d" % (parameter_name, val)
+        )
+
+
+class Compressor(object):
+    """
+    An object that allows for streaming compression of data using the Brotli
+    compression algorithm.
+
+    .. versionadded:: 0.5.0
+
+    :param mode: The encoder mode.
+    :type mode: :class:`BrotliEncoderMode` or ``int``
+
+    :param quality: Controls the compression-speed vs compression-density
+        tradeoffs. The higher the quality, the slower the compression. The
+        range of this value is 0 to 11.
+    :type quality: ``int``
+
+    :param lgwin: The base-2 logarithm of the sliding window size. The range of
+        this value is 10 to 24.
+    :type lgwin: ``int``
+
+    :param lgblock: The base-2 logarithm of the maximum input block size. The
+        range of this value is 16 to 24. If set to 0, the value will be set
+        based on ``quality``.
+    :type lgblock: ``int``
+
+    :param dictionary: A pre-set dictionary for LZ77. Please use this with
+        caution: if a dictionary is used for compression, the same dictionary
+        **must** be used for decompression!
+    :type dictionary: ``bytes``
+    """
+    _dictionary = None
+    _dictionary_size = None
+
+    def __init__(self,
+                 mode=DEFAULT_MODE,
+                 quality=lib.BROTLI_DEFAULT_QUALITY,
+                 lgwin=lib.BROTLI_DEFAULT_WINDOW,
+                 lgblock=0,
+                 dictionary=b''):
+        enc = lib.BrotliEncoderCreateInstance(
+            ffi.NULL, ffi.NULL, ffi.NULL
+        )
+        if not enc:  # pragma: no cover
+            raise RuntimeError("Unable to allocate Brotli encoder!")
+
+        enc = ffi.gc(enc, lib.BrotliEncoderDestroyInstance)
+
+        # Configure the encoder appropriately.
+        _set_parameter(enc, lib.BROTLI_PARAM_MODE, "mode", mode)
+        _set_parameter(enc, lib.BROTLI_PARAM_QUALITY, "quality", quality)
+        _set_parameter(enc, lib.BROTLI_PARAM_LGWIN, "lgwin", lgwin)
+        _set_parameter(enc, lib.BROTLI_PARAM_LGBLOCK, "lgblock", lgblock)
+
+        if dictionary:
+            self._dictionary = ffi.new("uint8_t []", dictionary)
+            self._dictionary_size = len(dictionary)
+            lib.BrotliEncoderSetCustomDictionary(
+                enc, self._dictionary_size, self._dictionary
+            )
+
+        self._encoder = enc
+
+    def _compress(self, data, operation):
+        """
+        This private method compresses some data in a given mode. This is used
+        because almost all of the code uses the exact same setup. It wouldn't
+        have to, but it doesn't hurt at all.
+        """
+        # The 'algorithm' for working out how big to make this buffer is from
+        # the Brotli source code, brotlimodule.cc.
+        original_output_size = int(
+            math.ceil(len(data) + (len(data) >> 2) + 10240)
+        )
+        available_out = ffi.new("size_t *")
+        available_out[0] = original_output_size
+        output_buffer = ffi.new("uint8_t []", available_out[0])
+        ptr_to_output_buffer = ffi.new("uint8_t **", output_buffer)
+        input_size = ffi.new("size_t *", len(data))
+        input_buffer = ffi.new("uint8_t []", data)
+        ptr_to_input_buffer = ffi.new("uint8_t **", input_buffer)
+
+        rc = lib.BrotliEncoderCompressStream(
+            self._encoder,
+            operation,
+            input_size,
+            ptr_to_input_buffer,
+            available_out,
+            ptr_to_output_buffer,
+            ffi.NULL
+        )
+        if rc != lib.BROTLI_TRUE:  # pragma: no cover
+            raise Error("Error encountered compressing data.")
+
+        assert not input_size[0]
+
+        size_of_output = original_output_size - available_out[0]
+        return ffi.buffer(output_buffer, size_of_output)[:]
+
+    def compress(self, data):
+        """
+        Incrementally compress more data.
+
+        :param data: A bytestring containing data to compress.
+        :returns: A bytestring containing some compressed data. May return the
+            empty bytestring if not enough data has been inserted into the
+            compressor to create the output yet.
+        """
+        return self._compress(data, lib.BROTLI_OPERATION_PROCESS)
+
+    def flush(self):
+        """
+        Flush the compressor. This will emit the remaining output data, but
+        will not destroy the compressor. It can be used, for example, to ensure
+        that given chunks of content will decompress immediately.
+        """
+        chunks = []
+        chunks.append(self._compress(b'', lib.BROTLI_OPERATION_FLUSH))
+
+        while lib.BrotliEncoderHasMoreOutput(self._encoder) == lib.BROTLI_TRUE:
+            chunks.append(self._compress(b'', lib.BROTLI_OPERATION_FLUSH))
+
+        return b''.join(chunks)
+
+    def finish(self):
+        """
+        Finish the compressor. This will emit the remaining output data and
+        transition the compressor to a completed state. The compressor cannot
+        be used again after this point, and must be replaced.
+        """
+        chunks = []
+        while lib.BrotliEncoderIsFinished(self._encoder) == lib.BROTLI_FALSE:
+            chunks.append(self._compress(b'', lib.BROTLI_OPERATION_FINISH))
+
+        return b''.join(chunks)
+
+
+class Decompressor(object):
+    """
+    An object that allows for streaming decompression of Brotli-compressed
+    data.
+
+    .. versionchanged:: 0.5.0
+       Added ``dictionary`` parameter.
+
+    :param dictionary: A pre-set dictionary for LZ77. Please use this with
+        caution: if a dictionary is used for compression, the same dictionary
+        **must** be used for decompression!
+    :type dictionary: ``bytes``
+    """
+    _dictionary = None
+    _dictionary_size = None
+
+    def __init__(self, dictionary=b''):
+        dec = lib.BrotliDecoderCreateInstance(ffi.NULL, ffi.NULL, ffi.NULL)
+        self._decoder = ffi.gc(dec, lib.BrotliDecoderDestroyInstance)
+
+        if dictionary:
+            self._dictionary = ffi.new("uint8_t []", dictionary)
+            self._dictionary_size = len(dictionary)
+            lib.BrotliDecoderSetCustomDictionary(
+                self._decoder,
+                self._dictionary_size,
+                self._dictionary
+            )
+
+    def decompress(self, data):
+        """
+        Decompress part of a complete Brotli-compressed string.
+
+        :param data: A bytestring containing Brotli-compressed data.
+        :returns: A bytestring containing the decompressed data.
+        """
+        chunks = []
+
+        available_in = ffi.new("size_t *", len(data))
+        in_buffer = ffi.new("uint8_t[]", data)
+        next_in = ffi.new("uint8_t **", in_buffer)
+
+        while True:
+            # Allocate a buffer that's hopefully overlarge, but if it's not we
+            # don't mind: we'll spin around again.
+            buffer_size = 5 * len(data)
+            available_out = ffi.new("size_t *", buffer_size)
+            out_buffer = ffi.new("uint8_t[]", buffer_size)
+            next_out = ffi.new("uint8_t **", out_buffer)
+
+            rc = lib.BrotliDecoderDecompressStream(self._decoder,
+                                                   available_in,
+                                                   next_in,
+                                                   available_out,
+                                                   next_out,
+                                                   ffi.NULL)
+
+            # First, check for errors.
+            if rc == lib.BROTLI_DECODER_RESULT_ERROR:
+                error_code = lib.BrotliDecoderGetErrorCode(self._decoder)
+                error_message = lib.BrotliDecoderErrorString(error_code)
+                raise Error(
+                    "Decompression error: %s" % ffi.string(error_message)
+                )
+
+            # Next, copy the result out.
+            chunk = ffi.buffer(out_buffer, buffer_size - available_out[0])[:]
+            chunks.append(chunk)
+
+            if rc == lib.BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT:
+                assert available_in[0] == 0
+                break
+            elif rc == lib.BROTLI_DECODER_RESULT_SUCCESS:
+                break
+            else:
+                # It's cool if we need more output, we just loop again.
+                assert rc == lib.BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT
+
+        return b''.join(chunks)
+
+    def flush(self):
+        """
+        Complete the decompression, return whatever data is remaining to be
+        decompressed.
+
+        .. deprecated:: 0.4.0
+
+            This method is no longer required, as decompress() will now
+            decompress eagerly.
+
+        :returns: A bytestring containing the remaining decompressed data.
+        """
+        return b''
+
+    def finish(self):
+        """
+        Finish the decompressor. As the decompressor decompresses eagerly, this
+        will never actually emit any data. However, it will potentially throw
+        errors if a truncated or damaged data stream has been used.
+
+        Note that, once this method is called, the decompressor is no longer
+        safe for further use and must be thrown away.
+        """
+        assert (
+            lib.BrotliDecoderHasMoreOutput(self._decoder) == lib.BROTLI_FALSE
+        )
+        if lib.BrotliDecoderIsFinished(self._decoder) == lib.BROTLI_FALSE:
+            raise Error("Decompression error: incomplete compressed stream.")
+
+        return b''

plugins/translate/brotli/build.py

@@ -0,0 +1,224 @@
+# -*- coding: utf-8 -*-
+import sys
+
+from cffi import FFI
+ffi = FFI()
+
+libraries = ['libbrotli']
+if 'win32' not in str(sys.platform).lower():
+    libraries.append('stdc++')
+
+
+ffi.set_source(
+    "_brotli",
+    """#include <brotli/decode.h>
+       #include <brotli/encode.h>
+    """,
+    libraries=libraries,
+    include_dirs=["libbrotli", "libbrotli/include"]
+)
+
+ffi.cdef("""
+    /* common/types.h */
+    typedef bool BROTLI_BOOL;
+    #define BROTLI_TRUE ...
+    #define BROTLI_FALSE ...
+
+    /* dec/state.h */
+    /* Allocating function pointer. Function MUST return 0 in the case of
+       failure. Otherwise it MUST return a valid pointer to a memory region of
+       at least size length. Neither items nor size are allowed to be 0.
+       opaque argument is a pointer provided by client and could be used to
+       bind function to specific object (memory pool). */
+    typedef void* (*brotli_alloc_func)(void* opaque, size_t size);
+
+    /* Deallocating function pointer. Function SHOULD be no-op in the case the
+       address is 0. */
+    typedef void (*brotli_free_func)(void* opaque, void* address);
+
+    /* dec/decode.h */
+
+    typedef enum {
+      /* Decoding error, e.g. corrupt input or memory allocation problem */
+      BROTLI_DECODER_RESULT_ERROR = 0,
+      /* Decoding successfully completed */
+      BROTLI_DECODER_RESULT_SUCCESS = 1,
+      /* Partially done; should be called again with more input */
+      BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT = 2,
+      /* Partially done; should be called again with more output */
+      BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT = 3
+    } BrotliDecoderResult;
+
+    typedef enum {...} BrotliDecoderErrorCode;
+    typedef ... BrotliDecoderState;
+
+    /* Creates the instance of BrotliDecoderState and initializes it.
+       |alloc_func| and |free_func| MUST be both zero or both non-zero. In the
+       case they are both zero, default memory allocators are used. |opaque| is
+       passed to |alloc_func| and |free_func| when they are called. */
+    BrotliDecoderState* BrotliDecoderCreateInstance(brotli_alloc_func,
+                                                    brotli_free_func,
+                                                    void *);
+
+    /* Deinitializes and frees BrotliDecoderState instance. */
+    void BrotliDecoderDestroyInstance(BrotliDecoderState* state);
+
+    /* Decompresses the data. Supports partial input and output.
+
+       Must be called with an allocated input buffer in |*next_in| and an
+       allocated output buffer in |*next_out|. The values |*available_in| and
+       |*available_out| must specify the allocated size in |*next_in| and
+       |*next_out| respectively.
+
+       After each call, |*available_in| will be decremented by the amount of
+       input bytes consumed, and the |*next_in| pointer will be incremented by
+       that amount. Similarly, |*available_out| will be decremented by the
+       amount of output bytes written, and the |*next_out| pointer will be
+       incremented by that amount. |total_out|, if it is not a null-pointer,
+       will be set to the number of bytes decompressed since the last state
+       initialization.
+
+       Input is never overconsumed, so |next_in| and |available_in| could be
+       passed to the next consumer after decoding is complete. */
+    BrotliDecoderResult BrotliDecoderDecompressStream(BrotliDecoderState* s,
+                                                      size_t* available_in,
+                                                      const uint8_t** next_in,
+                                                      size_t* available_out,
+                                                      uint8_t** next_out,
+                                                      size_t* total_out);
+
+    /* Fills the new state with a dictionary for LZ77, warming up the
+       ringbuffer, e.g. for custom static dictionaries for data formats.
+       Not to be confused with the built-in transformable dictionary of Brotli.
+       |size| should be less or equal to 2^24 (16MiB), otherwise the dictionary
+       will be ignored. The dictionary must exist in memory until decoding is
+       done and is owned by the caller. To use:
+        1) Allocate and initialize state with BrotliCreateInstance
+        2) Use BrotliSetCustomDictionary
+        3) Use BrotliDecompressStream
+        4) Clean up and free state with BrotliDestroyState
+    */
+    void BrotliDecoderSetCustomDictionary(
+        BrotliDecoderState* s, size_t size, const uint8_t* dict);
+
+    /* Returns true, if decoder has some unconsumed output.
+       Otherwise returns false. */
+    BROTLI_BOOL BrotliDecoderHasMoreOutput(const BrotliDecoderState* s);
+
+    /* Returns true, if decoder has already received some input bytes.
+       Otherwise returns false. */
+    BROTLI_BOOL BrotliDecoderIsUsed(const BrotliDecoderState* s);
+
+    /* Returns true, if decoder is in a state where we reached the end of the
+       input and produced all of the output; returns false otherwise. */
+    BROTLI_BOOL BrotliDecoderIsFinished(const BrotliDecoderState* s);
+
+    /* Returns detailed error code after BrotliDecompressStream returns
+       BROTLI_DECODER_RESULT_ERROR. */
+    BrotliDecoderErrorCode BrotliDecoderGetErrorCode(
+                                                  const BrotliDecoderState* s);
+
+    const char* BrotliDecoderErrorString(BrotliDecoderErrorCode c);
+
+    /* enc/encode.h */
+    typedef ... BrotliEncoderState;
+
+    typedef enum BrotliEncoderParameter {
+      BROTLI_PARAM_MODE = 0,
+      /* Controls the compression-speed vs compression-density tradeoffs. The
+         higher the quality, the slower the compression. Range is 0 to 11. */
+      BROTLI_PARAM_QUALITY = 1,
+      /* Base 2 logarithm of the sliding window size. Range is 10 to 24. */
+      BROTLI_PARAM_LGWIN = 2,
+      /* Base 2 logarithm of the maximum input block size. Range is 16 to 24.
+         If set to 0, the value will be set based on the quality. */
+      BROTLI_PARAM_LGBLOCK = 3
+    } BrotliEncoderParameter;
+
+    typedef enum BrotliEncoderMode {
+      /* Default compression mode. The compressor does not know anything in
+         advance about the properties of the input. */
+      BROTLI_MODE_GENERIC = 0,
+      /* Compression mode for UTF-8 format text input. */
+      BROTLI_MODE_TEXT = 1,
+      /* Compression mode used in WOFF 2.0. */
+      BROTLI_MODE_FONT = 2
+    } BrotliEncoderMode;
+
+    int BROTLI_DEFAULT_QUALITY = 11;
+    int BROTLI_DEFAULT_WINDOW = 22;
+    #define BROTLI_DEFAULT_MODE ...
+
+    typedef enum BrotliEncoderOperation {
+      BROTLI_OPERATION_PROCESS = 0,
+      /* Request output stream to flush. Performed when input stream is
+         depleted and there is enough space in output stream. */
+      BROTLI_OPERATION_FLUSH = 1,
+      /* Request output stream to finish. Performed when input stream is
+         depleted and there is enough space in output stream. */
+      BROTLI_OPERATION_FINISH = 2
+    } BrotliEncoderOperation;
+
+    /* Creates the instance of BrotliEncoderState and initializes it.
+       |alloc_func| and |free_func| MUST be both zero or both non-zero. In the
+       case they are both zero, default memory allocators are used. |opaque| is
+       passed to |alloc_func| and |free_func| when they are called. */
+    BrotliEncoderState* BrotliEncoderCreateInstance(brotli_alloc_func,
+                                                    brotli_free_func,
+                                                    void *);
+
+    /* Deinitializes and frees BrotliEncoderState instance. */
+    void BrotliEncoderDestroyInstance(BrotliEncoderState* state);
+
+    /* Compresses the data in |input_buffer| into |encoded_buffer|, and sets
+       |*encoded_size| to the compressed length.
+       BROTLI_DEFAULT_QUALITY, BROTLI_DEFAULT_WINDOW and BROTLI_DEFAULT_MODE
+       should be used as |quality|, |lgwin| and |mode| if there are no specific
+       requirements to encoder speed and compression ratio.
+       If compression fails, |*encoded_size| is set to 0.
+       If BrotliEncoderMaxCompressedSize(|input_size|) is not zero, then
+       |*encoded_size| is never set to the bigger value.
+       Returns false if there was an error and true otherwise. */
+    BROTLI_BOOL BrotliEncoderCompress(int quality,
+                                      int lgwin,
+                                      BrotliEncoderMode mode,
+                                      size_t input_size,
+                                      const uint8_t* input_buffer,
+                                      size_t* encoded_size,
+                                      uint8_t* encoded_buffer);
+
+    BROTLI_BOOL BrotliEncoderCompressStream(BrotliEncoderState* s,
+                                            BrotliEncoderOperation op,
+                                            size_t* available_in,
+                                            const uint8_t** next_in,
+                                            size_t* available_out,
+                                            uint8_t** next_out,
+                                            size_t* total_out);
+
+    BROTLI_BOOL BrotliEncoderSetParameter(BrotliEncoderState* state,
+                                          BrotliEncoderParameter p,
+                                          uint32_t value);
+
+    /* Fills the new state with a dictionary for LZ77, warming up the
+       ringbuffer, e.g. for custom static dictionaries for data formats.
+       Not to be confused with the built-in transformable dictionary of Brotli.
+       To decode, use BrotliSetCustomDictionary() of the decoder with the same
+       dictionary. */
+    void BrotliEncoderSetCustomDictionary(BrotliEncoderState* state,
+                                          size_t size,
+                                          const uint8_t* dict);
+
+    /* Check if encoder is in "finished" state, i.e. no more input is
+       acceptable and no more output will be produced.
+       Works only with BrotliEncoderCompressStream workflow.
+       Returns 1 if stream is finished and 0 otherwise. */
+    BROTLI_BOOL BrotliEncoderIsFinished(BrotliEncoderState* s);
+
+    /* Check if encoder has more output bytes in internal buffer.
+       Works only with BrotliEncoderCompressStream workflow.
+       Returns 1 if has more output (in internal buffer) and 0 otherwise. */
+    BROTLI_BOOL BrotliEncoderHasMoreOutput(BrotliEncoderState* s);
+""")
+
+if __name__ == '__main__':
+    ffi.compile()

plugins/translate/plugin.py

@@ -3,6 +3,8 @@ import os
 import time
 import threading
 import requests
+import json
+from . import brotli
 
 # Lib imports
 import gi
@@ -141,25 +143,45 @@ class Plugin(PluginBase):
         response = requests.post(tlink, headers=self._headers, data=from_translate)
 
         if response.status_code == 200:
-            data = response.json()
+            data = self.get_data(response)
-            self._translate_to_buffer.set_text(data["translated"])
-
             self.translate_tries = 0
+            self._translate_to_buffer.set_text(data["translated"])
             if data["detected_language"]:
                 self._detected_language_lbl.set_label(f"Detected Language: {data['detected_language']}")
             else:
                 self._detected_language_lbl.set_label(f"Selected Language: {self.from_trans}")
         elif response.status_code >= 400 or response.status_code < 500:
             self.get_vqd()
-            if not self.translate_tries > 4:
+            if not self.translate_tries > 2:
                 self._translate()
         else:
             msg = f"Could not translate... Response Code: {response.status_code}"
             self._translate_to_buffer.set_text(msg)
 
+    def get_data(self, response):
+        data = None
+
+        try:
+            data = response.json()
+        except Exception as e:
+            ...
+
+        try:
+            data = json.loads(response.text)
+        except Exception as e:
+            ...
+
+        try:
+            decompress_str = brotli.decompress(response.content).decode("utf-8")
+            data = json.loads(decompress_str)
+        except Exception as e:
+            ...
+
+        return data
+
     # NOTE: https://github.com/deedy5/duckduckgo_search/blob/72acb900a346be576f0917dd3d6c0fbd618a71bf/duckduckgo_search/utils.py
     def get_vqd(self):
-        response = requests.post(self.vqd_link, headers=self.vqd_headers, data=self.vqd_data, timeout=10)
+        response = requests.post(self.vqd_link, headers=self.vqd_headers, data=self.vqd_data, timeout=2)
         if response.status_code == 200:
             data             = response.content
             vqd_start_index  = data.index(b"vqd='") + 5

src/versions/solarfm-0.0.1/solarfm/core/controller.py

@@ -56,11 +56,12 @@ class Controller(UIMixin, SignalsMixins, Controller_Data):
 
 
     def _setup_styling(self):
+        ...
+
+    def _setup_signals(self):
         self.window.connect("focus-out-event", self.unset_keys_and_data)
         self.window.connect("key-press-event", self.on_global_key_press_controller)
         self.window.connect("key-release-event", self.on_global_key_release_controller)
-
-    def _setup_signals(self):
         FileSystemActions()
 
     def _subscribe_to_events(self):

src/versions/solarfm-0.0.1/solarfm/core/controller_data.py

@@ -10,6 +10,7 @@ from gi.repository import Gtk
 
 # Application imports
 from .widgets.dialogs.message_widget import MessageWidget
+from .widgets.dialogs.user_pass_widget import UserPassWidget
 
 from shellfm.windows.controller import WindowController
 from plugins.plugins_controller import PluginsController
@@ -30,7 +31,8 @@ class State:
     selected_files: []   = None
     to_copy_files:  []   = None
     to_cut_files:   []   = None
-    message_dialog: type = None
+    message_dialog: type    = None
+    user_pass_dialog: type  = None
 
 
 class Controller_Data:
@@ -81,17 +83,18 @@ class Controller_Data:
                 Returns:
                         state (obj): State
         '''
-        state                = State()
+        state                  = State()
-        state.fm_controller  = self.fm_controller
+        state.fm_controller    = self.fm_controller
-        state.notebooks      = self.notebooks
+        state.notebooks        = self.notebooks
-        state.wid, state.tid = self.fm_controller.get_active_wid_and_tid()
+        state.wid, state.tid   = self.fm_controller.get_active_wid_and_tid()
-        state.tab            = self.get_fm_window(state.wid).get_tab_by_id(state.tid)
+        state.tab              = self.get_fm_window(state.wid).get_tab_by_id(state.tid)
-        state.icon_grid      = self.builder.get_object(f"{state.wid}|{state.tid}|icon_grid")
+        state.icon_grid        = self.builder.get_object(f"{state.wid}|{state.tid}|icon_grid")
-        # state.icon_grid      = event_system.emit_and_await("get_files_view_icon_grid", (state.wid, state.tid))
+        # state.icon_grid        = event_system.emit_and_await("get_files_view_icon_grid", (state.wid, state.tid))
-        state.store          = state.icon_grid.get_model()
+        state.store            = state.icon_grid.get_model()
-        state.message_dialog = MessageWidget()
+        state.message_dialog   = MessageWidget()
+        state.user_pass_dialog = UserPassWidget()
 
-        selected_files       = state.icon_grid.get_selected_items()
+        selected_files     = state.icon_grid.get_selected_items()
         if selected_files:
             state.uris     = self.format_to_uris(state.store, state.wid, state.tid, selected_files, True)
             state.uris_raw = self.format_to_uris(state.store, state.wid, state.tid, selected_files)

src/versions/solarfm-0.0.1/solarfm/core/mixins/signals/file_action_signals_mixin.py

@@ -36,18 +36,18 @@ class FileActionSignalsMixin:
     # NOTE: Too lazy to impliment a proper update handler and so just regen store and update tab.
     #       Use a lock system to prevent too many update calls for certain instances but user can manually refresh if they have urgency
     def dir_watch_updates(self, file_monitor, file, other_file=None, eve_type=None, data=None):
-        if eve_type in  [Gio.FileMonitorEvent.CREATED, Gio.FileMonitorEvent.DELETED,
+        if eve_type == Gio.FileMonitorEvent.CHANGES_DONE_HINT:
-                        Gio.FileMonitorEvent.RENAMED, Gio.FileMonitorEvent.MOVED_IN,
+            if eve_type in  [Gio.FileMonitorEvent.CREATED, Gio.FileMonitorEvent.DELETED,
-                        Gio.FileMonitorEvent.MOVED_OUT]:
+                            Gio.FileMonitorEvent.RENAMED, Gio.FileMonitorEvent.MOVED_IN,
-            if settings.is_debug():
+                            Gio.FileMonitorEvent.MOVED_OUT]:
                 logger.debug(eve_type)
 
-            if eve_type in [Gio.FileMonitorEvent.MOVED_IN, Gio.FileMonitorEvent.MOVED_OUT]:
+                if eve_type in [Gio.FileMonitorEvent.MOVED_IN, Gio.FileMonitorEvent.MOVED_OUT]:
-                self.update_on_soft_lock_end(data[0])
+                    self.update_on_soft_lock_end(data[0])
-            elif data[0] in self.soft_update_lock.keys():
+                elif data[0] in self.soft_update_lock.keys():
-                self.soft_update_lock[data[0]]["last_update_time"] = time.time()
+                    self.soft_update_lock[data[0]]["last_update_time"] = time.time()
-            else:
+                else:
-                self.soft_lock_countdown(data[0])
+                    self.soft_lock_countdown(data[0])
 
     @threaded
     def soft_lock_countdown(self, tab_widget):

src/versions/solarfm-0.0.1/solarfm/core/mixins/ui/tab_mixin.py

@@ -54,6 +54,9 @@ class TabMixin(GridMixin):
 
     def close_tab(self, button, eve=None):
         notebook = button.get_parent().get_parent()
+        if notebook.get_n_pages() == 1:
+            return
+
         wid      = int(notebook.get_name()[-1])
         tid      = self.get_id_from_tab_box(button.get_parent())
         scroll   = self.builder.get_object(f"{wid}|{tid}")

src/versions/solarfm-0.0.1/solarfm/core/widgets/dialogs/user_pass_widget.py

@@ -0,0 +1,63 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+from gi.repository import Gdk
+
+# Application imports
+
+
+
+
+class UserPassWidget(Gtk.Dialog):
+    """docstring for UserPassWidget."""
+
+    def __init__(self):
+        super(UserPassWidget, self).__init__()
+
+        self.user_input = Gtk.Entry()
+        self.pass_input = Gtk.Entry()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        self.set_modal(True)
+        self.set_type_hint(Gdk.WindowTypeHint.DIALOG)
+
+        self.user_input.set_placeholder_text("User:")
+        self.pass_input.set_placeholder_text("Password:")
+        self.pass_input.set_visibility(False)
+
+    def _setup_signals(self):
+        # self.connect("response", self.on_response)
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        vbox  = self.get_content_area()
+        label = Gtk.Label(label="User & Password")
+        vbox.add(label)
+        vbox.add(self.user_input)
+        vbox.add(self.pass_input)
+        vbox.show_all()
+
+        self.add_buttons(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
+                            "Skip Input", Gtk.ResponseType.CLOSE,
+                            "Submit Input", Gtk.ResponseType.OK
+                        )
+
+    def do_response(self, response_id):
+        self.hide()
+        return response_id
+
+    # def on_response(self, widget, response_id):
+    #     self.hide()
+    #     return response_id

src/versions/solarfm-0.0.1/solarfm/core/widgets/files_view/tab_mixin.py

@@ -52,10 +52,11 @@ class TabMixin(GridMixin):
         self.set_file_watcher(tab)
 
 
-
-
     def close_tab(self, button, eve=None):
         notebook = button.get_parent().get_parent()
+        if notebook.get_n_pages() == 1:
+            return
+
         wid      = int(notebook.get_name()[-1])
         tid      = self.get_id_from_tab_box(button.get_parent())
         scroll   = self.builder.get_object(f"{wid}|{tid}")

src/versions/solarfm-0.0.1/solarfm/core/widgets/tab_header_widget.py

@@ -10,7 +10,7 @@ from gi.repository import Gtk
 
 
 
-class TabHeaderWidget(Gtk.ButtonBox):
+class TabHeaderWidget(Gtk.Box):
     """docstring for TabHeaderWidget"""
 
     def __init__(self, tab, close_tab):
@@ -26,6 +26,7 @@ class TabHeaderWidget(Gtk.ButtonBox):
 
     def _setup_styling(self):
         self.set_orientation(0)
+        self.set_hexpand(False)
 
     def _setup_signals(self):
         ...
@@ -39,6 +40,9 @@ class TabHeaderWidget(Gtk.ButtonBox):
         label.set_label(f"{self._tab.get_end_of_path()}")
         label.set_width_chars(len(self._tab.get_end_of_path()))
         label.set_xalign(0.0)
+        label.set_margin_left(25)
+        label.set_margin_right(25)
+        label.set_hexpand(True)
         tid.set_label(f"{self._tab.get_id()}")
 
         close.connect("released", self._close_tab)

src/versions/solarfm-0.0.1/solarfm/plugins/plugins_controller.py

@@ -10,6 +10,7 @@ from os.path import isdir
 import gi
 gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
+from gi.repository import GLib
 from gi.repository import Gio
 
 # Application imports
@@ -52,6 +53,7 @@ class PluginsController:
                                                     Gio.FileMonitorEvent.MOVED_OUT]:
             self.reload_plugins(file)
 
+    @daemon_threaded
     def load_plugins(self, file: str = None) -> None:
         logger.info(f"Loading plugins...")
         parent_path = os.getcwd()
@@ -66,7 +68,9 @@ class PluginsController:
 
                 plugin, loading_data = manifest.get_loading_data()
                 module               = self.load_plugin_module(path, folder, target)
-                self.execute_plugin(module, plugin, loading_data)
+
+                GLib.idle_add(self.execute_plugin, *(module, plugin, loading_data))
+                # self.execute_plugin(module, plugin, loading_data)
             except InvalidPluginException as e:
                 logger.info(f"Malformed Plugin: Not loading -->: '{folder}' !")
                 logger.debug("Trace: ", traceback.print_exc())

src/versions/solarfm-0.0.1/solarfm/shellfm/windows/tabs/icons/icon.py

@@ -49,6 +49,8 @@ class Icon(DesktopIconMixin, VideoIconMixin, MeshsIconMixin):
                 thumbnl = self.find_thumbnail_from_desktop_file(full_path)
 
             if not thumbnl:
+                # TODO: Detect if not in a thread and use directly for speed get_system_thumbnail
+                # thumbnl = self.get_system_thumbnail(full_path, full_path, self.sys_icon_wh[0])
                 thumbnl = self._get_system_thumbnail_gtk_thread(full_path, self.sys_icon_wh[0])
                 if not thumbnl:
                     raise IconException("No known icons found.")
@@ -110,7 +112,13 @@ class Icon(DesktopIconMixin, VideoIconMixin, MeshsIconMixin):
                 elif full_path.lower().endswith(".webp") and PImage:
                     return self.image2pixbuf(full_path, wxh)
 
-                return GdkPixbuf.Pixbuf.new_from_file_at_scale(full_path, wxh[0], wxh[1], True)
+                pixbuf = None
+                try:
+                    pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(full_path, wxh[0], wxh[1], True)
+                except Exception as e:
+                    ...
+
+                return pixbuf
             except IconException as e:
                 print("Image Scaling Issue:")
                 print( repr(e) )

src/versions/solarfm-0.0.1/solarfm/utils/endpoint_registry.py

@@ -3,11 +3,11 @@
 # Lib imports
 
 # Application imports
+from .singleton import Singleton
 
 
 
-
+class EndpointRegistry(Singleton):
-class EndpointRegistry():
     def __init__(self):
         self._endpoints = {}
 

src/versions/solarfm-0.0.1/solarfm/utils/event_system.py

@@ -4,11 +4,11 @@ from collections import defaultdict
 # Lib imports
 
 # Application imports
+from .singleton import Singleton
 
 
 
-
+class EventSystem(Singleton):
-class EventSystem:
     """ Create event system. """
 
     def __init__(self):

src/versions/solarfm-0.0.1/solarfm/utils/ipc_server.py

@@ -8,11 +8,11 @@ from multiprocessing.connection import Listener
 from gi.repository import GLib
 
 # Application imports
+from .singleton import Singleton
 
 
 
-
+class IPCServer(Singleton):
-class IPCServer:
     """ Create a listener so that other SolarFM instances send requests back to existing instance. """
     def __init__(self, ipc_address: str = '127.0.0.1', conn_type: str = "socket"):
         self.is_ipc_alive     = False

src/versions/solarfm-0.0.1/solarfm/utils/keybindings.py

@@ -7,20 +7,20 @@ gi.require_version('Gdk', '3.0')
 from gi.repository import Gdk
 
 # Application imports
+from .singleton import Singleton
 
 
 
-def err(log = ""):
+def logger(log = ""):
-    """Print an error message"""
     print(log)
 
 
 class KeymapError(Exception):
-    """Custom exception for errors in keybinding configurations"""
+    """ Custom exception for errors in keybinding configurations """
 
 MODIFIER = re.compile('<([^<]+)>')
-class Keybindings:
+class Keybindings(Singleton):
-    """Class to handle loading and lookup of Terminator keybindings"""
+    """ Class to handle loading and lookup of Terminator keybindings """
 
     modifiers = {
         'ctrl':     Gdk.ModifierType.CONTROL_MASK,
@@ -46,7 +46,7 @@ class Keybindings:
         print(self.keys)
 
     def append_bindings(self, combos):
-        """Accept new binding(s) and reload"""
+        """ Accept new binding(s) and reload """
         for item in combos:
             method, keys = item.split(":")
             self.keys[method] = keys
@@ -54,12 +54,12 @@ class Keybindings:
         self.reload()
 
     def configure(self, bindings):
-        """Accept new bindings and reconfigure with them"""
+        """ Accept new bindings and reconfigure with them """
         self.keys = bindings
         self.reload()
 
     def reload(self):
-        """Parse bindings and mangle into an appropriate form"""
+        """ Parse bindings and mangle into an appropriate form """
         self._lookup = {}
         self._masks  = 0
 
@@ -77,9 +77,9 @@ class Keybindings:
                 try:
                     keyval, mask = self._parsebinding(binding)
                     # Does much the same, but with poorer error handling.
-                    #keyval, mask = Gtk.accelerator_parse(binding)
+                    # keyval, mask = Gtk.accelerator_parse(binding)
                 except KeymapError as e:
-                  err ("keybinding reload failed to parse binding '%s': %s" % (binding, e))
+                  logger(f"Keybinding reload failed to parse binding '{binding}': {e}")
                 else:
                     if mask & Gdk.ModifierType.SHIFT_MASK:
                         if keyval == Gdk.KEY_Tab:
@@ -98,7 +98,7 @@ class Keybindings:
                     self._masks |= mask
 
     def _parsebinding(self, binding):
-        """Parse an individual binding using Gtk's binding function"""
+        """ Parse an individual binding using Gtk's binding function """
         mask = 0
         modifiers = re.findall(MODIFIER, binding)
 
@@ -113,25 +113,25 @@ class Keybindings:
         keyval = Gdk.keyval_from_name(key)
 
         if keyval == 0:
-            raise KeymapError("Key '%s' is unrecognised..." % key)
+            raise KeymapError(f"Key '{key}' is unrecognised...")
         return (keyval, mask)
 
     def _lookup_modifier(self, modifier):
-        """Map modifier names to gtk values"""
+        """ Map modifier names to gtk values """
         try:
             return self.modifiers[modifier.lower()]
         except KeyError:
-            raise KeymapError("Unhandled modifier '<%s>'" % modifier)
+            raise KeymapError(f"Unhandled modifier '<{modifier}>'")
 
     def lookup(self, event):
-        """Translate a keyboard event into a mapped key"""
+        """ Translate a keyboard event into a mapped key """
         try:
             _found, keyval, _egp, _lvl, consumed = self.keymap.translate_keyboard_state(
                                               event.hardware_keycode,
                                               Gdk.ModifierType(event.get_state() & ~Gdk.ModifierType.LOCK_MASK),
                                               event.group)
         except TypeError:
-            err ("Keybinding lookup failed to translate keyboard event: %s" % dir(event))
+            logger("Keybinding lookup failed to translate keyboard event: {dir(event)}")
             return None
 
         mask = (event.get_state() & ~consumed) & self._masks

src/versions/solarfm-0.0.1/solarfm/utils/logger.py

@@ -3,9 +3,11 @@ import os
 import logging
 
 # Application imports
+from .singleton import Singleton
 
 
-class Logger:
+
+class Logger(Singleton):
     """
         Create a new logging object and return it.
         :note:

src/versions/solarfm-0.0.1/solarfm/utils/settings/settings.py

@@ -11,11 +11,12 @@ from gi.repository import Gtk
 from gi.repository import GLib
 
 # Application imports
+from ..singleton import Singleton
 from .start_check_mixin import StartCheckMixin
 
 
 
-class Settings(StartCheckMixin):
+class Settings(StartCheckMixin, Singleton):
     def __init__(self):
         self._SCRIPT_PTH        = os.path.dirname(os.path.realpath(__file__))
         self._USER_HOME         = path.expanduser('~')
@@ -31,6 +32,12 @@ class Settings(StartCheckMixin):
         self._KEY_BINDINGS_FILE = f"{self._HOME_CONFIG_PATH}/key-bindings.json"
         self._PID_FILE          = f"{self._HOME_CONFIG_PATH}/{app_name.lower()}.pid"
         self._WINDOW_ICON       = f"{self._DEFAULT_ICONS}/icons/{app_name.lower()}.png"
+        self._UI_WIDEGTS_PATH   = f"{self._HOME_CONFIG_PATH}/ui_widgets"
+        self._CONTEXT_MENU      = f"{self._HOME_CONFIG_PATH}/contexct_menu.json"
+        self._TRASH_FILES_PATH  = f"{GLib.get_user_data_dir()}/Trash/files"
+        self._TRASH_INFO_PATH   = f"{GLib.get_user_data_dir()}/Trash/info"
+        self._ICON_THEME        = Gtk.IconTheme.get_default()
+
 
         if not os.path.exists(self._HOME_CONFIG_PATH):
             os.mkdir(self._HOME_CONFIG_PATH)
@@ -64,23 +71,25 @@ class Settings(StartCheckMixin):
             self._WINDOW_ICON   = f"{self._USR_PATH}/icons/{app_name.lower()}.png"
             if not os.path.exists(self._WINDOW_ICON):
                 raise MissingConfigError("Unable to find the application icon.")
-
+        if not os.path.exists(self._UI_WIDEGTS_PATH):
-
+            self._UI_WIDEGTS_PATH  = f"{self._USR_PATH}/ui_widgets"
-        self._UI_WIDEGTS_PATH  = f"{self._USR_PATH}/ui_widgets"
-        self._CONTEXT_MENU     = f"{self._USR_PATH}/contexct_menu.json"
-        self._TRASH_FILES_PATH = f"{GLib.get_user_data_dir()}/Trash/files"
-        self._TRASH_INFO_PATH  = f"{GLib.get_user_data_dir()}/Trash/info"
-        self._ICON_THEME       = Gtk.IconTheme.get_default()
-
         if not os.path.exists(self._CONTEXT_MENU):
             self._CONTEXT_MENU  = f"{self._USR_PATH}/contexct_menu.json"
 
-        with open(self._KEY_BINDINGS_FILE) as file:
-            bindings = json.load(file)["keybindings"]
-            keybindings.configure(bindings)
 
-        with open(self._CONTEXT_MENU) as file:
+        try:
-            self._context_menu_data = json.load(file)
+            with open(self._KEY_BINDINGS_FILE) as file:
+                bindings = json.load(file)["keybindings"]
+                keybindings.configure(bindings)
+        except Exception as e:
+            print( f"Settings: {self._KEY_BINDINGS_FILE}\n\t\t{repr(e)}" )
+
+        try:
+            with open(self._CONTEXT_MENU) as file:
+                self._context_menu_data = json.load(file)
+        except Exception as e:
+            print( f"Settings: {self._CONTEXT_MENU}\n\t\t{repr(e)}" )
+
 
         self._main_window   = None
         self._main_window_w = 1670
@@ -119,8 +128,8 @@ class Settings(StartCheckMixin):
     def set_builder(self, builder) -> any:  self._builder = builder
     def set_main_window(self, window): self._main_window = window
 
-    def get_main_window(self)       -> Gtk.ApplicationWindow:  return self._main_window
+    def get_main_window(self)        -> Gtk.ApplicationWindow: return self._main_window
-    def get_main_window_width(self) -> Gtk.ApplicationWindow:  return self._main_window_w
+    def get_main_window_width(self)  -> Gtk.ApplicationWindow: return self._main_window_w
     def get_main_window_height(self) -> Gtk.ApplicationWindow: return self._main_window_h
     def get_builder(self)           -> Gtk.Builder:            return self._builder
     def get_glade_file(self)        -> str: return self._GLADE_FILE

src/versions/solarfm-0.0.1/solarfm/utils/singleton.py

@@ -0,0 +1,23 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+
+
+class SingletonError(Exception):
+    pass
+
+
+
+class Singleton:
+    ccount = 0
+
+    def __new__(cls, *args, **kwargs):
+        obj        = super(Singleton, cls).__new__(cls)
+        cls.ccount += 1
+
+        if cls.ccount == 2:
+            raise SingletonError(f"Exceeded {cls.__name__} instantiation limit...")
+
+        return obj

user_config/usr/share/solarfm/key-bindings.json

@@ -6,7 +6,7 @@
         "open_terminal"          : "F4",
         "refresh_tab"            : ["F5",
                                     "<Control>r"],
-        "tggl_top_main_menubar"  : "<Alt>h",
+        "tggl_top_main_menubar"  : "<Alt>Alt_L",
         "tear_down"              : "<Control>q",
         "go_up"                  : "<Control>Up",
         "go_home"                : "<Control>slash",