sugar-toolkit-gtk3/sugar/datastore/dbus_helpers.py

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# Copyright (C) 2006-2007 Red Hat, Inc.
# Copyright (C) 2007, One Laptop Per Child
#
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# 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.
#
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# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
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# 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.
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import logging
import dbus
import dbus.glib
import gobject
from sugar import util
DS_DBUS_SERVICE = "org.laptop.sugar.DataStore"
DS_DBUS_INTERFACE = "org.laptop.sugar.DataStore"
DS_DBUS_PATH = "/org/laptop/sugar/DataStore"
_bus = dbus.SessionBus()
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_data_store = dbus.Interface(_bus.get_object(DS_DBUS_SERVICE, DS_DBUS_PATH),
DS_DBUS_INTERFACE)
def create(properties, filename):
object_id = _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):
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,
reply_handler=reply_handler,
error_handler=error_handler)
else:
_data_store.update(uid, dbus.Dictionary(properties), filename)
def delete(uid):
logging.debug('dbus_helpers.delete: %r' % uid)
_data_store.delete(uid)
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def get_properties(uid):
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logging.debug('dbus_helpers.get_properties: %s' % uid)
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return _data_store.get_properties(uid)
def get_filename(uid):
filename = _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,
error_handler=error_handler)
else:
return _data_store.find(query)
def mount(uri, options):
return _data_store.mount(uri, options)
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def unmount(mount_point_id):
_data_store.unmount(mount_point_id)
def mounts():
return _data_store.mounts()
def get_unique_values(key):
return _data_store.get_uniquevaluesfor(key, dbus.Dictionary({}, signature='ss'))