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diff --git a/src/sugar/activity/main.py b/src/sugar/activity/main.py
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+# Copyright (C) 2008 Red Hat, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+import os
+import sys
+import gettext
+from optparse import OptionParser
+
+import gtk
+import dbus
+import dbus.service
+import dbus.glib
+
+from sugar.activity import activityhandle
+from sugar.bundle.activitybundle import ActivityBundle
+from sugar import logger
+
+def create_activity_instance(constructor, handle):
+ activity = constructor(handle)
+ activity.show()
+
+def get_single_process_name(bundle_id):
+ return bundle_id
+
+def get_single_process_path(bundle_id):
+ return '/' + bundle_id.replace('.', '/')
+
+class SingleProcess(dbus.service.Object):
+ def __init__(self, name_service, constructor):
+ self.constructor = constructor
+
+ bus = dbus.SessionBus()
+ bus_name = dbus.service.BusName(name_service, bus=bus)
+ object_path = get_single_process_path(name_service)
+ dbus.service.Object.__init__(self, bus_name, object_path)
+
+ @dbus.service.method("org.laptop.SingleProcess", in_signature="a{ss}")
+ def create(self, handle_dict):
+ handle = activityhandle.create_from_dict(handle_dict)
+ create_activity_instance(self.constructor, handle)
+
+def main():
+ parser = OptionParser()
+ parser.add_option("-b", "--bundle-id", dest="bundle_id",
+ help="identifier of the activity bundle")
+ parser.add_option("-a", "--activity-id", dest="activity_id",
+ help="identifier of the activity instance")
+ parser.add_option("-o", "--object-id", dest="object_id",
+ help="identifier of the associated datastore object")
+ parser.add_option("-u", "--uri", dest="uri",
+ help="URI to load")
+ parser.add_option('-s', '--single-process', dest='single_process',
+ action='store_true',
+ help='start all the instances in the same process')
+ (options, args) = parser.parse_args()
+
+ logger.start()
+
+ if 'SUGAR_BUNDLE_PATH' not in os.environ:
+ print 'SUGAR_BUNDLE_PATH is not defined in the environment.'
+ sys.exit(1)
+
+ if len(args) == 0:
+ print 'A python class must be specified as first argument.'
+ sys.exit(1)
+
+ bundle_path = os.environ['SUGAR_BUNDLE_PATH']
+ sys.path.append(bundle_path)
+
+ bundle = ActivityBundle(bundle_path)
+
+ os.environ['SUGAR_BUNDLE_ID'] = bundle.get_bundle_id()
+ os.environ['SUGAR_BUNDLE_NAME'] = bundle.get_name()
+ os.environ['SUGAR_BUNDLE_VERSION'] = str(bundle.get_activity_version())
+
+ gtk.icon_theme_get_default().append_search_path(bundle.get_icons_path())
+
+ locale_path = None
+ if 'SUGAR_LOCALEDIR' in os.environ:
+ locale_path = os.environ['SUGAR_LOCALEDIR']
+
+ gettext.bindtextdomain(bundle.get_bundle_id(), locale_path)
+ gettext.textdomain(bundle.get_bundle_id())
+
+ splitted_module = args[0].rsplit('.', 1)
+ module_name = splitted_module[0]
+ class_name = splitted_module[1]
+
+ module = __import__(module_name)
+ for comp in module_name.split('.')[1:]:
+ module = getattr(module, comp)
+
+ activity_constructor = getattr(module, class_name)
+ activity_handle = activityhandle.ActivityHandle(
+ activity_id=options.activity_id,
+ object_id=options.object_id, uri=options.uri)
+
+ if options.single_process is True:
+ sessionbus = dbus.SessionBus()
+
+ service_name = get_single_process_name(options.bundle_id)
+ service_path = get_single_process_path(options.bundle_id)
+
+ bus_object = sessionbus.get_object(
+ 'org.freedesktop.DBus', '/org/freedesktop/DBus')
+ try:
+ name = bus_object.GetNameOwner(
+ service_name, dbus_interface='org.freedesktop.DBus')
+ except dbus.DBusException:
+ name = None
+
+ if not name:
+ SingleProcess(service_name, activity_constructor)
+ else:
+ single_process = sessionbus.get_object(service_name, service_path)
+ single_process.create(activity_handle.get_dict())
+
+ print 'Created %s in a single process.' % service_name
+ sys.exit(0)
+
+ if hasattr(module, 'start'):
+ module.start()
+
+ create_activity_instance(activity_constructor, activity_handle)
+
+ gtk.main()