Introduce a debug service; spawn a Python REPL on a random local TCP port. Supports basic telnet commands, ^C and ^D work, etc.

terminator

@@ -143,9 +143,20 @@ See the following bug report for more details:
     except IOError:
       pass
 
+  import terminatorlib.debugserver as debugserver
+  (serverthread, server) = debugserver.spawn()
+  import threading
+
+  gtk.gdk.threads_init()
+
   dbg ('profile_cb: settled on profile: "%s"' % options.profile)
   term = Terminator (options.profile, command, options.fullscreen, options.maximise,
                      options.borderless, options.no_gconf)
 
-  gtk.main ()
+  gtk.main()
+
+#  guithread = threading.Thread(target=gtk.main, name="Main GUI thread")
+#  guithread.start()
+#  guithread.join()
+  server.socket.close()
 

terminatorlib/debugserver.py

@@ -0,0 +1,153 @@
+#!/usr/local/bin/python
+#
+# Copyright (c) 2008, Thomas Hurst <tom@hur.st>
+#
+# Use of this file is unrestricted provided this notice is retained.
+# If you use it, it'd be nice if you dropped me a note.  Also beer.
+
+from terminatorlib.config import dbg, err
+from terminatorlib.version import APP_NAME, APP_VERSION
+
+import socket
+import threading
+import SocketServer
+import code
+import sys
+import readline
+import rlcompleter
+import re
+
+class PythonConsoleServer(SocketServer.BaseRequestHandler):
+  def setup(self):
+    dbg('debugserver: connect from %s' % str(self.client_address))
+    self.console = TerminatorConsole()
+
+  def handle(self):
+    dbg("debugserver: handling")
+    try:
+      self.socketio = self.request.makefile()
+      sys.stdout = self.socketio
+      sys.stdin = self.socketio
+#      sys.stderr = self.socketio
+      self.console.run(self)
+    finally:
+      sys.stdout = sys.__stdout__
+      sys.stdin = sys.__stdin__
+#      sys.stderr = sys.__stderr__
+      self.socketio.close()
+      dbg("debugserver: done handling")
+
+  def verify_request(self, request, client_address):
+    return True
+
+  def finish(self):
+    dbg('debugserver: disconnect from %s' % str(self.client_address))
+
+BareLF      = re.compile('([^\015])\015')
+DoDont      = re.compile('(^|[^\377])\377[\375\376](.)')
+WillWont    = re.compile('(^|[^\377])\377[\373\374](.)')
+AreYouThere = re.compile('(^|[^\377])\377\366')
+IpTelnet    = re.compile('(^|[^\377])\377\364')
+OtherTelnet = re.compile('(^|[^\377])\377[^\377]')
+
+# See http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/205335 for telnet bits
+# Python doesn't make this an especially neat conversion :(
+class TerminatorConsole(code.InteractiveConsole):
+  def parse_telnet(self, data):
+    odata = data
+    data = re.sub(BareLF, '\\1', data)
+    data = data.replace('\015\000', '')
+    data = data.replace('\000', '')
+
+    bits = re.findall(DoDont, data)
+    dbg("bits = %s" % repr(bits))
+    if bits:
+      data = re.sub(DoDont, '\\1', data)
+      dbg("telnet: DO/DON'T answer")
+      # answer DO and DON'T with WON'T
+      for bit in bits:
+        self.write("\377\374" + bit[1])
+
+    bits = re.findall(WillWont, data)
+    if bits:
+      data = re.sub(WillWont, '\\1', data)
+      dbg("telnet: WILL/WON'T answer")
+      for bit in bits:
+        # answer WILLs and WON'T with DON'Ts
+        self.write("\377\376" + bit[1])
+
+    bits = re.findall(AreYouThere, data)
+    if bits:
+      dbg("telnet: am I there answer")
+      data = re.sub(AreYouThere, '\\1', data)
+      for bit in bits:
+        self.write("Yes, I'm still here, I think.\n")
+
+    bits = re.findall(IpTelnet, data) # IP (Interrupt Process)
+    for bit in bits:
+      dbg("debugserver: Ctrl-C detected")
+      raise KeyboardInterrupt
+
+    data = re.sub(IpTelnet, '\\1', data) # ignore IP Telnet codes
+    data = re.sub(OtherTelnet, '\\1', data) # and any other Telnet codes
+    data = data.replace('\377\377', '\377') # and handle escapes
+
+    if data != odata:
+      dbg("debugserver: Replaced %s with %s" % (repr(odata), repr(data)))
+
+    return data
+
+
+  def raw_input(self, prompt = None):
+    dbg("debugserver: raw_input prompt = %s" % repr(prompt))
+    if prompt:
+      self.write(prompt)
+
+    buf = ''
+    compstate = 0
+    while True:
+      data = self.server.socketio.read(1) # should get the client sending unbuffered for tab complete?
+      dbg('raw_input: char=%s' % repr(data))
+      if data == '\n' or data == '\006':
+        buf = self.parse_telnet(buf + data).lstrip()
+        if buf != '':
+          return buf
+      elif data == '\004' or data == '': # ^D
+        raise EOFError
+      else:
+        buf += data
+
+  def write(self, data):
+    dbg("debugserver: write %s" % repr(data))
+    self.server.socketio.write(data)
+    self.server.socketio.flush()
+
+  def run(self, server):
+    self.server = server
+
+    self.write("Welcome to the %s-%s debug server, have a nice stay\n" % (APP_NAME, APP_VERSION))
+    self.interact()
+    try:
+      self.write("Time to go.  Bye!\n")
+    except:
+      pass
+
+
+def server():
+  tcpserver = SocketServer.TCPServer(('127.0.0.1', 0), PythonConsoleServer)
+  print "Serving on %s" % str(tcpserver.server_address)
+  tcpserver.serve_forever()
+
+def spawn():
+#  server()
+  # tcpserver = SocketServer.ThreadingTCPServer(('', 0), PythonConsoleServer)
+  tcpserver = SocketServer.TCPServer(('', 0), PythonConsoleServer)
+  print("debugserver: listening on %s" % str(tcpserver.server_address))
+  dbg("debugserver: about to spawn thread")
+  debugserver = threading.Thread(target=tcpserver.serve_forever, name="DebugServer")
+  debugserver.setDaemon(True)
+  dbg("debugserver: about to start thread")
+  debugserver.start()
+  dbg("debugserver: started thread")
+  return(debugserver, tcpserver)
+

terminatorlib/terminator.py

@@ -200,9 +200,9 @@ class Terminator:
       self.window.fullscreen ()
 
   def on_window_state_changed (self, window, event):
-    state = event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN
+    self._fullscreen = bool (event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN)
-    self._fullscreen = bool (state)
+    self._maximised = bool (event.new_window_state & gtk.gdk.WINDOW_STATE_MAXIMIZED)
-
+    dbg("window state changed: fullscreen: %s, maximised: %s" % (self._fullscreen, self._maximised))
     return (False)
 
   def on_delete_event (self, window, event, data=None):
@@ -493,7 +493,12 @@ class Terminator:
       notebooktablabel = TerminatorNotebookTabLabel(notebooklabel, notebook, self)
       notebook.set_tab_label(child, notebooktablabel)
       notebook.set_tab_label_packing(child, True, True, gtk.PACK_START)
-      self.window.resize(self.window.allocation.width, min(self.window.allocation.height + notebooktablabel.height_request(), gtk.gdk.screen_height()))
+
+      wal = self.window.allocation
+      if not (self._maximised or self._fullscreen):
+        self.window.resize(wal.width,
+            min(wal.height + notebooktablabel.height_request(), gtk.gdk.screen_height()))
+
       notebook.show()
     elif isinstance(parent, gtk.Notebook):
       notebook = parent