a0ee487a40
Add logging messages at "info" level to provide feedback while launching in order to make debugging unsuccessful launches easier.
134 lines
3.9 KiB
Python
Executable File
134 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (C) 2006, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import os
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import sys
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import socket
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import logging
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log = logging.getLogger( 'sugar-emulator' )
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log.setLevel( logging.DEBUG )
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import pygtk
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pygtk.require('2.0')
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import gtk
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import gobject
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def _get_display_number():
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"""Find a free display number trying to connect to 6000+ ports"""
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log.info( "Attempting to find free port for X11 (Xephyr)" )
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retries = 20
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display_number = 1
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display_is_free = False
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while not display_is_free and retries > 0:
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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try:
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s.connect(('127.0.0.1', 6000 + display_number))
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s.close()
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display_number += 1
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retries -= 1
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except:
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display_is_free = True
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if display_is_free:
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log.info(
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' Found free port: #%s (%s)',
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display_number, display_number+6000
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)
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return display_number
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else:
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logging.error('Cannot find a free display.')
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sys.exit(0)
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def _start_xephyr():
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display = _get_display_number()
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log.info( 'Starting the Xephyr nested X display on display %s', display )
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cmd = [ 'Xephyr' ]
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cmd.append(':%d' % display)
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cmd.append('-ac')
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if gtk.gdk.screen_width() < 1200 or gtk.gdk.screen_height() < 900:
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cmd.append('-fullscreen')
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else:
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cmd.append('-screen')
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cmd.append('%dx%d' % (1200, 900))
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dpi = gtk.settings_get_default().get_property('gtk-xft-dpi')
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if dpi > 0:
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cmd.append('-dpi')
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cmd.append('%d' % int(dpi/1024))
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log.debug( 'Xephyr command: %s', " ".join( cmd ) )
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result = gobject.spawn_async(cmd, flags=gobject.SPAWN_SEARCH_PATH)
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pid = result[0]
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os.environ['DISPLAY'] = ":%d" % (display)
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os.environ['SUGAR_EMULATOR_PID'] = str(pid)
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def _start_matchbox():
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log.info( 'Starting the matchbox window manager' )
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cmd = ['matchbox-window-manager']
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cmd.extend(['-use_titlebar', 'no'])
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cmd.extend(['-theme', 'olpc'])
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log.debug( 'Matchbox command: %s', " ".join( cmd) )
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gobject.spawn_async(cmd, flags=gobject.SPAWN_SEARCH_PATH)
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def _setup_env():
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os.environ['SUGAR_EMULATOR'] = 'yes'
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source_dir = os.path.dirname(os.path.abspath(__file__))
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if os.path.isfile(os.path.join(source_dir, 'autogen.sh')):
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os.environ['SUGAR_PATH'] = source_dir
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if os.environ.has_key('PYTHONPATH'):
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path = os.environ['PYTHONPATH']
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os.environ['PYTHONPATH'] = source_dir + ':' + path
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log.info( 'Set PYTHONPATH=%s', os.environ['PYTHONPATH'] )
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def main():
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"""Script-level operations"""
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logging.basicConfig()
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_setup_env()
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_start_xephyr()
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from sugar import env
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if env.is_emulator():
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gtkrc_filename = 'sugar.gtkrc'
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else:
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gtkrc_filename = 'sugar-xo.gtkrc'
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os.environ['GTK2_RC_FILES'] = env.get_data_path(gtkrc_filename)
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if len(sys.argv) == 1:
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program = 'sugar-shell'
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else:
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_start_matchbox()
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program = sys.argv[1]
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command = ['dbus-launch', 'dbus-launch', '--exit-with-session', program]
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log.info( "Attempting to launch sugar to replace this process: %s", " ".join(command) )
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os.execlp( *command )
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if __name__ == "__main__":
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main()
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