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authorMarco Pesenti Gritti <marco@localhost.localdomain>2008-04-29 12:58:34 (GMT)
committer Marco Pesenti Gritti <marco@localhost.localdomain>2008-04-29 12:58:34 (GMT)
commit72c2a1d770aac5af9df899cbfd25a15cbc2956ea (patch)
tree8909999bda47a3dfe9abc7befcd38e5278d6716f /sugar/activity/activityfactory.py
parent6efdf259b62d7af47b1e06601eaee17b74dbeb58 (diff)
Use a src directory consistently with base and shell.
Diffstat (limited to 'sugar/activity/activityfactory.py')
-rw-r--r--sugar/activity/activityfactory.py316
1 files changed, 0 insertions, 316 deletions
diff --git a/sugar/activity/activityfactory.py b/sugar/activity/activityfactory.py
deleted file mode 100644
index 42b8c40..0000000
--- a/sugar/activity/activityfactory.py
+++ /dev/null
@@ -1,316 +0,0 @@
-"""Shell side object which manages request to start activity"""
-# Copyright (C) 2006-2007 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 logging
-import subprocess
-import signal
-
-import dbus
-import gobject
-
-from sugar.presence import presenceservice
-from sugar.activity.activityhandle import ActivityHandle
-from sugar.activity import registry
-from sugar import util
-from sugar import env
-
-from errno import EEXIST
-
-import os
-
-# #3903 - this constant can be removed and assumed to be 1 when dbus-python
-# 0.82.3 is the only version used
-if dbus.version >= (0, 82, 3):
- DBUS_PYTHON_TIMEOUT_UNITS_PER_SECOND = 1
-else:
- DBUS_PYTHON_TIMEOUT_UNITS_PER_SECOND = 1000
-
-_SHELL_SERVICE = "org.laptop.Shell"
-_SHELL_PATH = "/org/laptop/Shell"
-_SHELL_IFACE = "org.laptop.Shell"
-
-_DS_SERVICE = "org.laptop.sugar.DataStore"
-_DS_INTERFACE = "org.laptop.sugar.DataStore"
-_DS_PATH = "/org/laptop/sugar/DataStore"
-
-_ACTIVITY_FACTORY_INTERFACE = "org.laptop.ActivityFactory"
-
-_RAINBOW_SERVICE_NAME = "org.laptop.security.Rainbow"
-_RAINBOW_ACTIVITY_FACTORY_PATH = "/"
-_RAINBOW_ACTIVITY_FACTORY_INTERFACE = "org.laptop.security.Rainbow"
-
-_children_pid = []
-
-def _sigchild_handler(signum, frame):
- for child_pid in _children_pid:
- pid, status_ = os.waitpid(child_pid, os.WNOHANG)
- if pid > 0:
- _children_pid.remove(pid)
-
-signal.signal(signal.SIGCHLD, _sigchild_handler)
-
-def create_activity_id():
- """Generate a new, unique ID for this activity"""
- pservice = presenceservice.get_instance()
-
- # create a new unique activity ID
- i = 0
- act_id = None
- while i < 10:
- act_id = util.unique_id()
- i += 1
-
- # check through network activities
- found = False
- activities = pservice.get_activities()
- for act in activities:
- if act_id == act.props.id:
- found = True
- break
- if not found:
- return act_id
- raise RuntimeError("Cannot generate unique activity id.")
-
-def get_environment(activity):
- environ = os.environ.copy()
-
- bin_path = os.path.join(activity.path, 'bin')
-
- activity_root = env.get_profile_path(activity.bundle_id)
- if not os.path.exists(activity_root):
- os.mkdir(activity_root)
-
- data_dir = os.path.join(activity_root, 'instance')
- if not os.path.exists(data_dir):
- os.mkdir(data_dir)
-
- data_dir = os.path.join(activity_root, 'data')
- if not os.path.exists(data_dir):
- os.mkdir(data_dir)
-
- tmp_dir = os.path.join(activity_root, 'tmp')
- if not os.path.exists(tmp_dir):
- os.mkdir(tmp_dir)
-
- environ['SUGAR_BUNDLE_PATH'] = activity.path
- environ['SUGAR_BUNDLE_ID'] = activity.bundle_id
- environ['SUGAR_ACTIVITY_ROOT'] = activity_root
- environ['PATH'] = bin_path + ':' + environ['PATH']
- #environ['RAINBOW_STRACE_LOG'] = '1'
-
- if activity.bundle_id in [ 'org.laptop.WebActivity',
- 'org.laptop.GmailActivity',
- 'org.laptop.WikiBrowseActivity'
- ]:
- environ['RAINBOW_CONSTANT_UID'] = 'yes'
-
- return environ
-
-def get_command(activity, activity_id=None, object_id=None, uri=None):
- if not activity_id:
- activity_id = create_activity_id()
-
- command = activity.command.split(' ')
- command.extend(['-b', activity.bundle_id])
- command.extend(['-a', activity_id])
-
- if object_id is not None:
- command.extend(['-o', object_id])
- if uri is not None:
- command.extend(['-u', uri])
-
- print command
-
- return command
-
-def open_log_file(activity):
- i = 1
- while True:
- path = env.get_logs_path('%s-%s.log' % (activity.bundle_id, i))
- try:
- fd = os.open(path, os.O_EXCL | os.O_CREAT \
- | os.O_SYNC | os.O_WRONLY, 0644)
- f = os.fdopen(fd, 'w', 0)
- return (path, f)
- except OSError, e:
- if e.errno == EEXIST:
- i += 1
- else:
- raise e
-
-class ActivityCreationHandler(gobject.GObject):
- """Sugar-side activity creation interface
-
- This object uses a dbus method on the ActivityFactory
- service to create the new activity. It generates
- GObject events in response to the success/failure of
- activity startup using callbacks to the service's
- create call.
- """
-
- def __init__(self, service_name, handle):
- """Initialise the handler
-
- service_name -- the service name of the bundle factory
- activity_handle -- stores the values which are to
- be passed to the service to uniquely identify
- the activity to be created and the sharing
- service that may or may not be connected with it
-
- sugar.activity.activityhandle.ActivityHandle instance
-
- calls the "create" method on the service for this
- particular activity type and registers the
- _reply_handler and _error_handler methods on that
- call's results.
-
- The specific service which creates new instances of this
- particular type of activity is created during the activity
- registration process in shell bundle registry which creates
- service definition files for each registered bundle type.
-
- If the file '/etc/olpc-security' exists, then activity launching
- will be delegated to the prototype 'Rainbow' security service.
- """
- gobject.GObject.__init__(self)
-
- self._service_name = service_name
- self._handle = handle
-
- self._use_rainbow = os.path.exists('/etc/olpc-security')
- if service_name in [ 'org.laptop.JournalActivity',
- 'org.laptop.Terminal',
- 'org.laptop.LogViewer',
- 'org.laptop.Analyze'
- ]:
- self._use_rainbow = False
-
- bus = dbus.SessionBus()
-
- bus_object = bus.get_object(_SHELL_SERVICE, _SHELL_PATH)
- self._shell = dbus.Interface(bus_object, _SHELL_IFACE)
-
- if handle.activity_id is not None and \
- handle.object_id is None:
- datastore = dbus.Interface(
- bus.get_object(_DS_SERVICE, _DS_PATH), _DS_INTERFACE)
- datastore.find({ 'activity_id': self._handle.activity_id }, [],
- reply_handler=self._find_object_reply_handler,
- error_handler=self._find_object_error_handler)
- else:
- self._launch_activity()
-
- def _launch_activity(self):
- if self._handle.activity_id != None:
- self._shell.ActivateActivity(self._handle.activity_id,
- reply_handler=self._activate_reply_handler,
- error_handler=self._activate_error_handler)
- else:
- self._create_activity()
-
- def _create_activity(self):
- if self._handle.activity_id is None:
- self._handle.activity_id = create_activity_id()
-
- self._shell.NotifyLaunch(
- self._service_name, self._handle.activity_id,
- reply_handler=self._no_reply_handler,
- error_handler=self._notify_launch_error_handler)
-
- activity_registry = registry.get_registry()
- activity = activity_registry.get_activity(self._service_name)
- if activity:
- environ = get_environment(activity)
- (log_path, log_file) = open_log_file(activity)
- command = get_command(activity, self._handle.activity_id,
- self._handle.object_id,
- self._handle.uri)
-
- if not self._use_rainbow:
- p = subprocess.Popen(command, env=environ, cwd=activity.path,
- stdout=log_file, stderr=log_file)
- _children_pid.append(p.pid)
- else:
- log_file.close()
- system_bus = dbus.SystemBus()
- factory = system_bus.get_object(_RAINBOW_SERVICE_NAME,
- _RAINBOW_ACTIVITY_FACTORY_PATH)
- factory.CreateActivity(
- log_path,
- environ,
- command,
- environ['SUGAR_BUNDLE_PATH'],
- environ['SUGAR_BUNDLE_ID'],
- timeout=30 * DBUS_PYTHON_TIMEOUT_UNITS_PER_SECOND,
- reply_handler=self._create_reply_handler,
- error_handler=self._create_error_handler,
- dbus_interface=_RAINBOW_ACTIVITY_FACTORY_INTERFACE)
-
- def _no_reply_handler(self, *args):
- pass
-
- def _notify_launch_failure_error_handler(self, err):
- logging.error('Notify launch failure failed %s' % err)
-
- def _notify_launch_error_handler(self, err):
- logging.debug('Notify launch failed %s' % err)
-
- def _activate_reply_handler(self, activated):
- if not activated:
- self._create_activity()
-
- def _activate_error_handler(self, err):
- logging.error("Activity activation request failed %s" % err)
-
- def _create_reply_handler(self):
- logging.debug("Activity created %s (%s)." %
- (self._handle.activity_id, self._service_name))
-
- def _create_error_handler(self, err):
- logging.error("Couldn't create activity %s (%s): %s" %
- (self._handle.activity_id, self._service_name, err))
- self._shell.NotifyLaunchFailure(
- self._handle.activity_id, reply_handler=self._no_reply_handler,
- error_handler=self._notify_launch_failure_error_handler)
-
- def _find_object_reply_handler(self, jobjects, count):
- if count > 0:
- if count > 1:
- logging.debug("Multiple objects has the same activity_id.")
- self._handle.object_id = jobjects[0]['uid']
- self._create_activity()
-
- def _find_object_error_handler(self, err):
- logging.error("Datastore find failed %s" % err)
- self._create_activity()
-
-def create(service_name, activity_handle=None):
- """Create a new activity from its name."""
- if not activity_handle:
- activity_handle = ActivityHandle()
- return ActivityCreationHandler(service_name, activity_handle)
-
-def create_with_uri(service_name, uri):
- """Create a new activity and pass the uri as handle."""
- activity_handle = ActivityHandle(uri=uri)
- return ActivityCreationHandler(service_name, activity_handle)
-
-def create_with_object_id(service_name, object_id):
- """Create a new activity and pass the object id as handle."""
- activity_handle = ActivityHandle(object_id=object_id)
- return ActivityCreationHandler(service_name, activity_handle)