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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (C) 2010 Canonical
#
# Authors:
# Didier Roche <didrocks@ubuntu.com>
#
# 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 3.
#
# This program is distributed in the hope that it will be useful, but WITHOUTa
# 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
import gconf
import glob
from optparse import OptionParser
import os
import shutil
import signal
import subprocess
import sys
import time
home_dir = os.path.expanduser("~%s" % os.getenv("SUDO_USER"))
supported_prefix = "/usr/local"
well_known_local_path = ("%s/share/unity" % supported_prefix,
"%s/share/ccsm/icons/*/*/*/*unity*" % supported_prefix,
"%s/share/locale/*/LC_MESSAGES/*unity*" % supported_prefix,
"%s/.compiz-1/*/*unity*" % home_dir,
"%s/.gconf/schemas/*unity*" % home_dir,
"%s/lib/*unity*" % supported_prefix,
"%s/share/dbus-1/services/*Unity*" % supported_prefix,
"%s/bin/*unity*" % supported_prefix,
"%s/share/man/man1/*unity*" % supported_prefix
)
def set_unity_env ():
'''set variable environnement for unity to run'''
os.environ['COMPIZ_CONFIG_PROFILE'] = 'ubuntu'
if not 'DISPLAY' in os.environ:
# take an optimistic chance and warn about it :)
print "WARNING: no DISPLAY variable set, setting it to :0"
os.environ['DISPLAY'] = ':0'
def reset_unity_compiz_profile ():
'''reset the compiz/unity profile to a vanilla one'''
client = gconf.client_get_default()
if not client:
print "WARNING: no gconf client found. No reset will be done"
return
# get current compiz profile to know if we need to switch or not
# as compiz is setting that as a default key schema each time you
# change the profile, the key isn't straightforward to get and set
# as compiz set a new schema instead of a value..
current_profile_schema = client.get_schema("/apps/compizconfig-1/current_profile")
# default value to not force reset if current_profile is unset
current_profile_gconfvalue = ""
if current_profile_schema:
current_profile_gconfvalue = current_profile_schema.get_default_value()
if current_profile_gconfvalue.get_string() == 'unity':
print "WARNING: Unity currently default profile, so switching to metacity while resetting the values"
subprocess.Popen(["metacity", "--replace"]) #TODO: check if compiz is indeed running
# wait for compiz to stop
time.sleep(2)
current_profile_gconfvalue.set_string('fooo')
current_profile_schema.set_default_value(current_profile_gconfvalue)
client.set_schema("/apps/compizconfig-1/current_profile", current_profile_schema)
# the python binding doesn't recursive-unset right
subprocess.Popen(["gconftool-2", "--recursive-unset", "/apps/compiz-1"]).communicate()
subprocess.Popen(["gconftool-2", "--recursive-unset", "/apps/compizconfig-1/profiles/unity"]).communicate()
def process_and_start_unity (verbose, debug, compiz_args, log_file):
'''launch unity under compiz (replace the current shell in any case)'''
cli = []
if debug:
# we can do more check later as if it's in PATH...
if not os.path.isfile('/usr/bin/gdb'):
print("ERROR: you don't have gdb in your system. Please install it to run in advanced debug mode.")
sys.exit(1)
elif 'DESKTOP_SESSION' in os.environ:
print("ERROR: it seems you are under a graphical environment. That's incompatible with executing advanced-debug option. You should be in a tty.")
sys.exit(1)
else:
cli.extend(['gdb', '--args'])
cli.extend(['compiz', '--replace'])
if options.verbose:
cli.append("--debug")
if args:
cli.extend(compiz_args)
if log_file:
cli.extend(['2>&1', '|', 'tee', log_file])
# shell = True as it's the simpest way to | tee.
# In this case, we need a string and not a list
# FIXME: still some bug with 2>&1 not showing everything before wait()
return subprocess.Popen(" ".join(cli), env=dict(os.environ), shell=True)
def run_unity (verbose, debug, compiz_args, log_file):
'''run the unity shell and handle Ctrl + C'''
try:
unity_instance = process_and_start_unity (verbose, debug, compiz_args, log_file)
subprocess.Popen(["killall", "unity-panel-service"])
unity_instance.wait()
except KeyboardInterrupt, e:
try:
os.kill(unity_instance.pid, signal.SIGKILL)
except:
pass
unity_instance.wait()
sys.exit(unity_instance.returncode)
def reset_to_distro():
''' remove all known default local installation path '''
# check if we are root, we need to be root
if os.getuid() != 0:
print "Error: You need to be root to remove your local unity installation"
return 1
error = False
for filedir in well_known_local_path:
for elem in glob.glob(filedir):
try:
shutil.rmtree(elem)
except OSError, e:
if os.path.isfile(elem):
os.remove(elem)
else:
print "ERROR: Cannot remove %s", e
error = True
if error:
print "See above: some error happened and you should clean them before trying to restart unity"
return 1
else:
print "Unity local install cleaned, you can now restart unity"
return 0
if __name__ == '__main__':
usage = "usage: %prog [options]"
parser = OptionParser(version= "%prog @UNITY_VERSION@", usage=usage)
parser.add_option("--advanced-debug", action="store_true",
help="Run unity under debugging to help debugging an issue. /!\ Only if devs ask for it.")
parser.add_option("--distro", action="store_true",
help="Remove local build if present with default values to return to the package value (this doesn't run unity and need root access)")
parser.add_option("--log", action="store",
help="Store log under filename.")
parser.add_option("--replace", action="store_true",
help="Run unity /!\ This is for compatibility with other desktop interfaces and acts the same as running unity without --replace")
parser.add_option("--reset", action="store_true",
help="Reset the unity profile in compiz and restart it.")
parser.add_option("-v", "--verbose", action="store_true",
help="Get additional debug output from unity.")
(options, args) = parser.parse_args()
set_unity_env()
if options.distro:
sys.exit(reset_to_distro())
if options.reset:
reset_unity_compiz_profile ()
if options.replace:
print ("WARNING: This is for compatibility with other desktop interfaces please use unity without --replace")
run_unity (options.verbose, options.advanced_debug, args, options.log)
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