~elachuni/software-center/pep8-test-part10

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#!/usr/bin/python
# Copyright (C) 2009-2011 Canonical
#
# Authors:
#  Michael Vogt
#
# 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 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

# take time stamp as early as python allows this
import time
time_entering_main = time.time()


from gi.repository import Gtk, GObject

import gettext
import glob
import logging
import os
import time
import sys

from softwarecenter.enums import *
from softwarecenter.paths import XAPIAN_BASE_PATH
from softwarecenter.utils import (
    ExecutionTime, mangle_paths_if_running_in_local_checkout)
from softwarecenter.version import *

import softwarecenter.log
import softwarecenter.paths

from optparse import OptionParser

# Enable Xapian's CJK tokenizer (see LP: #745243)
os.environ['XAPIAN_CJK_NGRAM'] = '1'

LOG = logging.getLogger("softwarecenter")

if __name__ == "__main__":

    parser = OptionParser("usage: %prog [options] [package-name | apturl | deb-file]", 
                          version="%prog "+VERSION)
    parser.add_option("--debug", action="store_true",
                      help="enable debug mode", default=False)
    parser.add_option("--debug-filter", 
                      help="show only specific messages. supported currently: "
                           "'softwarecenter.performance'")
    parser.add_option("--force-rtl", action="store_true",
                      help="force rtl mode (useful for debugging)", 
                      default=False)
    parser.add_option("--display-navlog", action="store_true",
                      help="display a navigation history log (useful for debugging)", 
                      default=False)
    # FIXME:  REMOVE THIS option once launchpad integration is enabled
    #         by default
    parser.add_option("--enable-lp", action="store_true",
                      help="enable launchpad integration (for development use)", 
                      default=False)
    parser.add_option("--disable-buy", action="store_true",
                      help="disable support to buy software",
                      default=False)
    parser.add_option("--disable-apt-xapian-index", action="store_true",
                      help="disable support for apt-xapian-index (technical items)",
                      default=False)
    parser.add_option("--measure-startup-time", action="store_true",
                      help="open and wait until the window is visible, then close, only useful for profiling",
                      default=False)
    parser.add_option("--dummy-backend", action="store_true",
                      help="run with a dummy backend, this will not actually install or remove anything and is useful for testing",
                      default=False)
    parser.add_option("--packagekit-backend", action="store_true",
                      help="use PackageKit backend (experimental)", 
                      default=False)

    (options, args) = parser.parse_args()

    # statup time measure implies "performance" in debug filters
    if options.measure_startup_time:
        options.debug_filter = "performance,traceback"
    
    if options.debug_filter:
        softwarecenter.log.add_filters_from_string(options.debug_filter)
        # implies general debug
        options.debug = True
        
    if options.debug:
        softwarecenter.log.root.setLevel(level=logging.DEBUG)
    else:
        softwarecenter.log.root.setLevel(level=logging.INFO)
    
    # packagekit
    if options.packagekit_backend:
        softwarecenter.enums.USE_PACKAGEKIT_BACKEND = True
        logging.info("Using PackageKit backend")

    # dummy backend
    if options.dummy_backend:
        import atexit
        from softwarecenter.testutils import start_dummy_backend, stop_dummy_backend
        start_dummy_backend()
        atexit.register(stop_dummy_backend)

    # override text direction for testing purposes
    if options.force_rtl:
        Gtk.Widget.set_default_direction(Gtk.TextDirection.RTL)

    # check if running locally
    (datadir, xapian_base_path) = mangle_paths_if_running_in_local_checkout()

    # ensure we can actually run
    Gtk.init_check(sys.argv)

    # set default ssl-ca-file here because it needs only be set once, but
    # it can not be set in the global context as this will cause segfaults
    # on exit. However its IMPORTANT to set it as libsoup is *not* secure
    # by default (see bugzilla #666280 and #666276)
    from gi.repository import WebKit as webkit
    # enable certificates validation in webkit views unless specified otherwise
    if not "SOFTWARE_CENTER_FORCE_DISABLE_CERTS_CHECK" in os.environ:
        session = webkit.get_default_session()
        session.set_property("ssl-ca-file", "/etc/ssl/certs/ca-certificates.crt")
    else:
        # WARN the user!! Do not remove this
        LOG.warning("SOFTWARE_CENTER_FORCE_DISABLE_CERTS_CHECK " +
                    "has been specified, all purchase transactions " + 
                    "are now INSECURE and UNENCRYPTED!!")

    # create the app
    from softwarecenter.ui.gtk3.app import SoftwareCenterAppGtk3
    with ExecutionTime("create SoftwareCenterApp"):
        app = SoftwareCenterAppGtk3(datadir, xapian_base_path, options, args)

    # DEBUG/PROFILE mode 
    if options.measure_startup_time:
        logger = logging.getLogger("softwarecenter.performance")
        with ExecutionTime("show() & gtk events until visible"):
            def are_we_there_yet():
                """ small helper that monitors the main window appearance """
                global main_visible
                # useful to check how often this is run - not often :/
                print time.time()
                if not main_visible and app.window_main.get_visible():
                    logger.debug("** main window visible after: %s seconds" % (
                            time.time() - time_entering_main))
                    main_visible = True
                    return False
                return True

            # run watcher for main window
            main_visible = False
            GObject.timeout_add(100, are_we_there_yet)
            app.run(args)

            # keep monitoring the loop
            while not (app.available_pane.cat_view and
                       app.available_pane.cat_view.get_visible()):
                Gtk.main_iteration_do(True)

        time_to_ready = time.time() - time_entering_main
        print(time_to_ready)
        logger.debug("** main window fully ready after: %s seconds" % time_to_ready)
        sys.exit(0)

    # run it normally
    app.run(args)
    Gtk.main()