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100 lines
3.6 KiB
Python
100 lines
3.6 KiB
Python
# Copyright (C) 2006-2007 Red Hat, Inc.
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# Copyright (C) 2007, One Laptop Per Child
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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import logging
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import dbus
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import dbus.glib
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DS_DBUS_SERVICE = "org.laptop.sugar.DataStore"
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DS_DBUS_INTERFACE = "org.laptop.sugar.DataStore"
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DS_DBUS_PATH = "/org/laptop/sugar/DataStore"
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_data_store = None
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def _get_data_store():
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global _data_store
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if not _data_store:
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_bus = dbus.SessionBus()
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_data_store = dbus.Interface(_bus.get_object(DS_DBUS_SERVICE,
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DS_DBUS_PATH),
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DS_DBUS_INTERFACE)
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return _data_store
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def create(properties, filename, transfer_ownership=False):
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object_id = _get_data_store().create(dbus.Dictionary(properties), filename,
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transfer_ownership)
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logging.debug('dbus_helpers.create: ' + object_id)
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return object_id
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def update(uid, properties, filename, transfer_ownership=False,
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reply_handler=None, error_handler=None, timeout=-1):
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debug_props = properties.copy()
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if debug_props.has_key("preview"):
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debug_props["preview"] = "<omitted>"
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logging.debug('dbus_helpers.update: %s, %s, %s, %s' %
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(uid, filename, debug_props, transfer_ownership))
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if reply_handler and error_handler:
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_get_data_store().update(uid, dbus.Dictionary(properties), filename,
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transfer_ownership,
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reply_handler=reply_handler,
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error_handler=error_handler,
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timeout=timeout)
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else:
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_get_data_store().update(uid, dbus.Dictionary(properties),
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filename, transfer_ownership)
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def delete(uid):
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logging.debug('dbus_helpers.delete: %r' % uid)
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_get_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 _get_data_store().get_properties(uid, byte_arrays=True)
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def get_filename(uid):
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filename = _get_data_store().get_filename(uid)
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logging.debug('dbus_helpers.get_filename: %s, %s' % (uid, filename))
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return filename
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def find(query, properties, reply_handler, error_handler):
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logging.debug('dbus_helpers.find: %r %r' % (query, properties))
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if reply_handler and error_handler:
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return _get_data_store().find(query, properties,
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reply_handler=reply_handler, error_handler=error_handler)
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else:
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return _get_data_store().find(query, properties)
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def mount(uri, options, timeout=-1):
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return _get_data_store().mount(uri, options, timeout=timeout)
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def unmount(mount_point_id):
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_get_data_store().unmount(mount_point_id)
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def mounts():
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return _get_data_store().mounts()
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def get_unique_values(key):
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return _get_data_store().get_uniquevaluesfor(
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key, dbus.Dictionary({}, signature='ss'))
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def complete_indexing():
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return _get_data_store().complete_indexing()
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