terminator/terminator

#!/usr/bin/env python
#
#    Terminator - multiple gnome terminals in one window
#    Copyright (C) 2006-2010  cmsj@tenshu.net
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, version 2 only.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  
#    USA

"""Terminator by Chris Jones <cmsj@tenshu.net>"""

import sys
import os
import psutil
import pwd
try:
    ORIGCWD = os.getcwd()
except OSError:
    ORIGCWD = os.path.expanduser("~")

# Check we have simple basics like Gtk+ and a valid $DISPLAY
try:
    import gi
    gi.require_version('Gtk','3.0')
    # pylint: disable-msg=W0611
    from gi.repository import Gtk, Gdk

    if Gdk.Display.get_default() == None:
        print('You need to run terminator in an X environment. ' \
              'Make sure $DISPLAY is properly set')
        sys.exit(1)

except ImportError:
    print('You need to install the python bindings for ' \
           'gobject, gtk and pango to run Terminator.')
    sys.exit(1)

import terminatorlib.optionparse
from terminatorlib.terminator import Terminator
from terminatorlib.factory import Factory
from terminatorlib.version import APP_NAME, APP_VERSION
from terminatorlib.util import dbg, err
from terminatorlib.layoutlauncher import LayoutLauncher
from terminatorlib.configjson import ConfigJson


# Deleting env variable fixes double char problem when broadcasting (#78)
# Only delete if it exists, or exception occurs
if os.environ.get('GTK_IM_MODULE') is not None:
    del os.environ['GTK_IM_MODULE']

if __name__ == '__main__':
    # Workaround for IBus intefering with broadcast when using dead keys
    # Environment also needs IBUS_DISABLE_SNOOPER=1, or double chars appear
    # in the receivers.
    username = pwd.getpwuid(os.getuid()).pw_name
    ibus_running = False
    for proc in psutil.process_iter():
        try:
            if proc.name() == 'ibus-daemon' and proc.username() == username:
                ibus_running = True
                break
        except (psutil.AccessDenied) as err:
            print("error getting details while looking for Ibus process: %s" % err)

    if ibus_running:
        os.environ['IBUS_DISABLE_SNOOPER']='1'

    dbus_service = None

    dbg ("%s starting up, version %s" % (APP_NAME, APP_VERSION))
  
    OPTIONS,dbus_options = terminatorlib.optionparse.parse_options()
    if OPTIONS.configjson:
        configjson = ConfigJson()
        layoutname = configjson.extend_config(OPTIONS.configjson)
        if layoutname and ((not OPTIONS.layout) or OPTIONS.layout == 'default'):
            OPTIONS.layout = layoutname
            if not OPTIONS.profile:
               OPTIONS.profile = configjson.get_profile_to_use()
    
    TERMINATOR = Terminator()
    TERMINATOR.set_origcwd(ORIGCWD)

    if OPTIONS.select:
        # launch gui, return selection
        LAYOUTLAUNCHER=LayoutLauncher()
    else:
        # Attempt to import our dbus server. If one exists already we will just
        # connect to that and ask for a new window. If not, we will create one and
        # continue. Failure to import dbus, or the global config option "dbus"
        # being False will cause us to continue without the dbus server and open a
        # window.
        try:
            if OPTIONS.nodbus:
                dbg('dbus disabled by command line')
                raise ImportError
            from terminatorlib import ipc
            import dbus
            try:
                dbus_service = ipc.DBusService()

                if(OPTIONS.reload):
                    # Reload only is executed when exist at least one window,
                    # if not there is nothing to reload
                    sys.exit()

            except ipc.DBusException:
                dbg('Unable to become master process, operating via DBus')
                # get rid of the None and True types so dbus can handle them (empty
                # and 'True' strings are used instead), also arrays are joined 
                # (the -x argument for example)
                if OPTIONS.working_directory is None:
                    OPTIONS.working_directory = ORIGCWD
                    dbus_options['working_directory'] = ORIGCWD
                optionslist = dbus.Dictionary(dbus_options, signature='ss')
                if OPTIONS.new_tab:
                    dbg('Requesting a new tab')
                    ipc.new_tab_cmdline(optionslist)
                if OPTIONS.reload:
                    dbg('requesting to reload configuration for all windows')
                    ipc.reload_configuration()

                elif OPTIONS.unhide:
                    print('requesting to unhide windows')
                    ipc.unhide_cmdline(optionslist)
                else:
                    dbg('Requesting a new window')
                    ipc.new_window_cmdline(optionslist)
                sys.exit()
        except ImportError:
            dbg('dbus not imported')
            pass

        MAKER = Factory()
        TERMINATOR.set_dbus_data(dbus_service)
        TERMINATOR.reconfigure()
        TERMINATOR.ibus_running = ibus_running

        try:
            dbg('Creating a terminal with layout: %s' % OPTIONS.layout)
            TERMINATOR.create_layout(OPTIONS.layout)
        except (KeyError,ValueError) as ex:
            err('layout creation failed, creating a window ("%s")' % ex)
            TERMINATOR.new_window()
        TERMINATOR.layout_done()

    if OPTIONS.debug and OPTIONS.debug >= 2:
        import terminatorlib.debugserver as debugserver
        # pylint: disable-msg=W0611
        import threading

        Gdk.threads_init()
        (DEBUGTHREAD, DEBUGSVR) = debugserver.spawn(locals())
        TERMINATOR.debug_address = DEBUGSVR.server_address

    try:
        Gtk.main()
    except KeyboardInterrupt:
        pass