Rewrite dbus_helpers to not make a dbus connection on import. #2773

This commit is contained in:
Dan Winship 2007-08-15 09:19:40 -04:00
parent c54fb84b28
commit 26c5ad6ad0

View File

@ -28,55 +28,63 @@ DS_DBUS_SERVICE = "org.laptop.sugar.DataStore"
DS_DBUS_INTERFACE = "org.laptop.sugar.DataStore"
DS_DBUS_PATH = "/org/laptop/sugar/DataStore"
_bus = dbus.SessionBus()
_data_store = dbus.Interface(_bus.get_object(DS_DBUS_SERVICE, DS_DBUS_PATH),
DS_DBUS_INTERFACE)
_data_store = None
def _get_data_store():
global _data_store
if not _data_store:
_bus = dbus.SessionBus()
_data_store = dbus.Interface(_bus.get_object(DS_DBUS_SERVICE,
DS_DBUS_PATH),
DS_DBUS_INTERFACE)
return _data_store
def create(properties, filename):
object_id = _data_store.create(dbus.Dictionary(properties), filename)
object_id = _get_data_store().create(dbus.Dictionary(properties), filename)
logging.debug('dbus_helpers.create: ' + object_id)
return object_id
def update(uid, properties, filename, reply_handler=None, error_handler=None, timeout=-1):
logging.debug('dbus_helpers.update: %s, %s, %s' % (uid, filename, properties))
if reply_handler and error_handler:
_data_store.update(uid, dbus.Dictionary(properties), filename,
_get_data_store().update(uid, dbus.Dictionary(properties), filename,
reply_handler=reply_handler,
error_handler=error_handler,
timeout=timeout)
else:
_data_store.update(uid, dbus.Dictionary(properties), filename)
_get_data_store().update(uid, dbus.Dictionary(properties), filename)
def delete(uid):
logging.debug('dbus_helpers.delete: %r' % uid)
_data_store.delete(uid)
_get_data_store().delete(uid)
def get_properties(uid):
logging.debug('dbus_helpers.get_properties: %s' % uid)
return _data_store.get_properties(uid)
return _get_data_store().get_properties(uid)
def get_filename(uid):
filename = _data_store.get_filename(uid)
filename = _get_data_store().get_filename(uid)
logging.debug('dbus_helpers.get_filename: %s, %s' % (uid, filename))
return filename
def find(query, reply_handler, error_handler):
logging.debug('dbus_helpers.find: %r' % query)
if reply_handler and error_handler:
return _data_store.find(query, reply_handler=reply_handler,
return _get_data_store().find(query, reply_handler=reply_handler,
error_handler=error_handler)
else:
return _data_store.find(query)
return _get_data_store().find(query)
def mount(uri, options):
return _data_store.mount(uri, options)
return _get_data_store().mount(uri, options)
def unmount(mount_point_id):
_data_store.unmount(mount_point_id)
_get_data_store().unmount(mount_point_id)
def mounts():
return _data_store.mounts()
return _get_data_store().mounts()
def get_unique_values(key):
return _data_store.get_uniquevaluesfor(key, dbus.Dictionary({}, signature='ss'))
return _get_data_store().get_uniquevaluesfor(key, dbus.Dictionary({}, signature='ss'))