495 lines
No EOL
22 KiB
Python
495 lines
No EOL
22 KiB
Python
#!/usr/bin/env python3
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# Libervia communication bridge
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# Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program 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
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from types import MethodType
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from functools import partialmethod
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from twisted.internet import defer, reactor
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from sat.core.i18n import _
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from sat.core.log import getLogger
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from sat.core.exceptions import BridgeInitError
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from sat.tools import config
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from txdbus import client, objects, error
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from txdbus.interface import DBusInterface, Method, Signal
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log = getLogger(__name__)
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# Interface prefix
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const_INT_PREFIX = config.config_get(
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config.parse_main_conf(),
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"",
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"bridge_dbus_int_prefix",
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"org.libervia.Libervia")
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const_ERROR_PREFIX = const_INT_PREFIX + ".error"
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const_OBJ_PATH = "/org/libervia/Libervia/bridge"
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const_CORE_SUFFIX = ".core"
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const_PLUGIN_SUFFIX = ".plugin"
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class ParseError(Exception):
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pass
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class DBusException(Exception):
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pass
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class MethodNotRegistered(DBusException):
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dbusErrorName = const_ERROR_PREFIX + ".MethodNotRegistered"
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class GenericException(DBusException):
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def __init__(self, twisted_error):
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"""
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@param twisted_error (Failure): instance of twisted Failure
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error message is used to store a repr of message and condition in a tuple,
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so it can be evaluated by the frontend bridge.
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"""
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try:
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# twisted_error.value is a class
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class_ = twisted_error.value().__class__
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except TypeError:
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# twisted_error.value is an instance
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class_ = twisted_error.value.__class__
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data = twisted_error.getErrorMessage()
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try:
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data = (data, twisted_error.value.condition)
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except AttributeError:
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data = (data,)
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else:
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data = (str(twisted_error),)
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self.dbusErrorName = ".".join(
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(const_ERROR_PREFIX, class_.__module__, class_.__name__)
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)
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super(GenericException, self).__init__(repr(data))
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@classmethod
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def create_and_raise(cls, exc):
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raise cls(exc)
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class DBusObject(objects.DBusObject):
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core_iface = DBusInterface(
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const_INT_PREFIX + const_CORE_SUFFIX,
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Method('action_launch', arguments='sss', returns='s'),
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Method('actions_get', arguments='s', returns='a(ssi)'),
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Method('config_get', arguments='ss', returns='s'),
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Method('connect', arguments='ssa{ss}', returns='b'),
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Method('contact_add', arguments='ss', returns=''),
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Method('contact_del', arguments='ss', returns=''),
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Method('contact_get', arguments='ss', returns='(a{ss}as)'),
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Method('contact_update', arguments='ssass', returns=''),
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Method('contacts_get', arguments='s', returns='a(sa{ss}as)'),
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Method('contacts_get_from_group', arguments='ss', returns='as'),
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Method('devices_infos_get', arguments='ss', returns='s'),
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Method('disco_find_by_features', arguments='asa(ss)bbbbbs', returns='(a{sa(sss)}a{sa(sss)}a{sa(sss)})'),
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Method('disco_infos', arguments='ssbs', returns='(asa(sss)a{sa(a{ss}as)})'),
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Method('disco_items', arguments='ssbs', returns='a(sss)'),
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Method('disconnect', arguments='s', returns=''),
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Method('encryption_namespace_get', arguments='s', returns='s'),
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Method('encryption_plugins_get', arguments='', returns='s'),
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Method('encryption_trust_ui_get', arguments='sss', returns='s'),
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Method('entities_data_get', arguments='asass', returns='a{sa{ss}}'),
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Method('entity_data_get', arguments='sass', returns='a{ss}'),
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Method('features_get', arguments='s', returns='a{sa{ss}}'),
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Method('history_get', arguments='ssiba{ss}s', returns='a(sdssa{ss}a{ss}ss)'),
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Method('image_check', arguments='s', returns='s'),
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Method('image_convert', arguments='ssss', returns='s'),
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Method('image_generate_preview', arguments='ss', returns='s'),
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Method('image_resize', arguments='sii', returns='s'),
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Method('is_connected', arguments='s', returns='b'),
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Method('main_resource_get', arguments='ss', returns='s'),
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Method('menu_help_get', arguments='ss', returns='s'),
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Method('menu_launch', arguments='sasa{ss}is', returns='a{ss}'),
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Method('menus_get', arguments='si', returns='a(ssasasa{ss})'),
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Method('message_encryption_get', arguments='ss', returns='s'),
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Method('message_encryption_start', arguments='ssbs', returns=''),
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Method('message_encryption_stop', arguments='ss', returns=''),
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Method('message_send', arguments='sa{ss}a{ss}sss', returns=''),
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Method('namespaces_get', arguments='', returns='a{ss}'),
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Method('param_get_a', arguments='ssss', returns='s'),
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Method('param_get_a_async', arguments='sssis', returns='s'),
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Method('param_set', arguments='sssis', returns=''),
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Method('param_ui_get', arguments='isss', returns='s'),
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Method('params_categories_get', arguments='', returns='as'),
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Method('params_register_app', arguments='sis', returns=''),
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Method('params_template_load', arguments='s', returns='b'),
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Method('params_template_save', arguments='s', returns='b'),
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Method('params_values_from_category_get_async', arguments='sisss', returns='a{ss}'),
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Method('presence_set', arguments='ssa{ss}s', returns=''),
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Method('presence_statuses_get', arguments='s', returns='a{sa{s(sia{ss})}}'),
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Method('private_data_delete', arguments='sss', returns=''),
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Method('private_data_get', arguments='sss', returns='s'),
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Method('private_data_set', arguments='ssss', returns=''),
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Method('profile_create', arguments='sss', returns=''),
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Method('profile_delete_async', arguments='s', returns=''),
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Method('profile_is_session_started', arguments='s', returns='b'),
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Method('profile_name_get', arguments='s', returns='s'),
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Method('profile_set_default', arguments='s', returns=''),
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Method('profile_start_session', arguments='ss', returns='b'),
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Method('profiles_list_get', arguments='bb', returns='as'),
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Method('progress_get', arguments='ss', returns='a{ss}'),
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Method('progress_get_all', arguments='s', returns='a{sa{sa{ss}}}'),
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Method('progress_get_all_metadata', arguments='s', returns='a{sa{sa{ss}}}'),
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Method('ready_get', arguments='', returns=''),
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Method('roster_resync', arguments='s', returns=''),
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Method('session_infos_get', arguments='s', returns='a{ss}'),
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Method('sub_waiting_get', arguments='s', returns='a{ss}'),
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Method('subscription', arguments='sss', returns=''),
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Method('version_get', arguments='', returns='s'),
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Signal('_debug', 'sa{ss}s'),
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Signal('action_new', 'ssis'),
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Signal('connected', 'ss'),
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Signal('contact_deleted', 'ss'),
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Signal('contact_new', 'sa{ss}ass'),
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Signal('disconnected', 's'),
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Signal('entity_data_updated', 'ssss'),
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Signal('message_encryption_started', 'sss'),
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Signal('message_encryption_stopped', 'sa{ss}s'),
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Signal('message_new', 'sdssa{ss}a{ss}sss'),
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Signal('param_update', 'ssss'),
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Signal('presence_update', 'ssia{ss}s'),
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Signal('progress_error', 'sss'),
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Signal('progress_finished', 'sa{ss}s'),
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Signal('progress_started', 'sa{ss}s'),
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Signal('subscribe', 'sss'),
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)
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plugin_iface = DBusInterface(
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const_INT_PREFIX + const_PLUGIN_SUFFIX
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)
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dbusInterfaces = [core_iface, plugin_iface]
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def __init__(self, path):
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super().__init__(path)
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log.debug("Init DBusObject...")
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self.cb = {}
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def register_method(self, name, cb):
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self.cb[name] = cb
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def _callback(self, name, *args, **kwargs):
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"""Call the callback if it exists, raise an exception else"""
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try:
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cb = self.cb[name]
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except KeyError:
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raise MethodNotRegistered
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else:
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d = defer.maybeDeferred(cb, *args, **kwargs)
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d.addErrback(GenericException.create_and_raise)
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return d
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def dbus_action_launch(self, callback_id, data, profile_key="@DEFAULT@"):
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return self._callback("action_launch", callback_id, data, profile_key)
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def dbus_actions_get(self, profile_key="@DEFAULT@"):
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return self._callback("actions_get", profile_key)
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def dbus_config_get(self, section, name):
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return self._callback("config_get", section, name)
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def dbus_connect(self, profile_key="@DEFAULT@", password='', options={}):
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return self._callback("connect", profile_key, password, options)
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def dbus_contact_add(self, entity_jid, profile_key="@DEFAULT@"):
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return self._callback("contact_add", entity_jid, profile_key)
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def dbus_contact_del(self, entity_jid, profile_key="@DEFAULT@"):
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return self._callback("contact_del", entity_jid, profile_key)
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def dbus_contact_get(self, arg_0, profile_key="@DEFAULT@"):
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return self._callback("contact_get", arg_0, profile_key)
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def dbus_contact_update(self, entity_jid, name, groups, profile_key="@DEFAULT@"):
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return self._callback("contact_update", entity_jid, name, groups, profile_key)
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def dbus_contacts_get(self, profile_key="@DEFAULT@"):
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return self._callback("contacts_get", profile_key)
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def dbus_contacts_get_from_group(self, group, profile_key="@DEFAULT@"):
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return self._callback("contacts_get_from_group", group, profile_key)
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def dbus_devices_infos_get(self, bare_jid, profile_key):
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return self._callback("devices_infos_get", bare_jid, profile_key)
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def dbus_disco_find_by_features(self, namespaces, identities, bare_jid=False, service=True, roster=True, own_jid=True, local_device=False, profile_key="@DEFAULT@"):
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return self._callback("disco_find_by_features", namespaces, identities, bare_jid, service, roster, own_jid, local_device, profile_key)
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def dbus_disco_infos(self, entity_jid, node=u'', use_cache=True, profile_key="@DEFAULT@"):
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return self._callback("disco_infos", entity_jid, node, use_cache, profile_key)
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def dbus_disco_items(self, entity_jid, node=u'', use_cache=True, profile_key="@DEFAULT@"):
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return self._callback("disco_items", entity_jid, node, use_cache, profile_key)
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def dbus_disconnect(self, profile_key="@DEFAULT@"):
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return self._callback("disconnect", profile_key)
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def dbus_encryption_namespace_get(self, arg_0):
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return self._callback("encryption_namespace_get", arg_0)
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def dbus_encryption_plugins_get(self, ):
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return self._callback("encryption_plugins_get", )
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def dbus_encryption_trust_ui_get(self, to_jid, namespace, profile_key):
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return self._callback("encryption_trust_ui_get", to_jid, namespace, profile_key)
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def dbus_entities_data_get(self, jids, keys, profile):
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return self._callback("entities_data_get", jids, keys, profile)
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def dbus_entity_data_get(self, jid, keys, profile):
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return self._callback("entity_data_get", jid, keys, profile)
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def dbus_features_get(self, profile_key):
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return self._callback("features_get", profile_key)
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def dbus_history_get(self, from_jid, to_jid, limit, between=True, filters='', profile="@NONE@"):
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return self._callback("history_get", from_jid, to_jid, limit, between, filters, profile)
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def dbus_image_check(self, arg_0):
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return self._callback("image_check", arg_0)
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def dbus_image_convert(self, source, dest, arg_2, extra):
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return self._callback("image_convert", source, dest, arg_2, extra)
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def dbus_image_generate_preview(self, image_path, profile_key):
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return self._callback("image_generate_preview", image_path, profile_key)
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def dbus_image_resize(self, image_path, width, height):
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return self._callback("image_resize", image_path, width, height)
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def dbus_is_connected(self, profile_key="@DEFAULT@"):
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return self._callback("is_connected", profile_key)
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def dbus_main_resource_get(self, contact_jid, profile_key="@DEFAULT@"):
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return self._callback("main_resource_get", contact_jid, profile_key)
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def dbus_menu_help_get(self, menu_id, language):
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return self._callback("menu_help_get", menu_id, language)
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def dbus_menu_launch(self, menu_type, path, data, security_limit, profile_key):
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return self._callback("menu_launch", menu_type, path, data, security_limit, profile_key)
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def dbus_menus_get(self, language, security_limit):
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return self._callback("menus_get", language, security_limit)
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def dbus_message_encryption_get(self, to_jid, profile_key):
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return self._callback("message_encryption_get", to_jid, profile_key)
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def dbus_message_encryption_start(self, to_jid, namespace='', replace=False, profile_key="@NONE@"):
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return self._callback("message_encryption_start", to_jid, namespace, replace, profile_key)
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def dbus_message_encryption_stop(self, to_jid, profile_key):
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return self._callback("message_encryption_stop", to_jid, profile_key)
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def dbus_message_send(self, to_jid, message, subject={}, mess_type="auto", extra={}, profile_key="@NONE@"):
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return self._callback("message_send", to_jid, message, subject, mess_type, extra, profile_key)
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def dbus_namespaces_get(self, ):
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return self._callback("namespaces_get", )
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def dbus_param_get_a(self, name, category, attribute="value", profile_key="@DEFAULT@"):
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return self._callback("param_get_a", name, category, attribute, profile_key)
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def dbus_param_get_a_async(self, name, category, attribute="value", security_limit=-1, profile_key="@DEFAULT@"):
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return self._callback("param_get_a_async", name, category, attribute, security_limit, profile_key)
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def dbus_param_set(self, name, value, category, security_limit=-1, profile_key="@DEFAULT@"):
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return self._callback("param_set", name, value, category, security_limit, profile_key)
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def dbus_param_ui_get(self, security_limit=-1, app='', extra='', profile_key="@DEFAULT@"):
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return self._callback("param_ui_get", security_limit, app, extra, profile_key)
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def dbus_params_categories_get(self, ):
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return self._callback("params_categories_get", )
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def dbus_params_register_app(self, xml, security_limit=-1, app=''):
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return self._callback("params_register_app", xml, security_limit, app)
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def dbus_params_template_load(self, filename):
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return self._callback("params_template_load", filename)
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def dbus_params_template_save(self, filename):
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return self._callback("params_template_save", filename)
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def dbus_params_values_from_category_get_async(self, category, security_limit=-1, app="", extra="", profile_key="@DEFAULT@"):
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return self._callback("params_values_from_category_get_async", category, security_limit, app, extra, profile_key)
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def dbus_presence_set(self, to_jid='', show='', statuses={}, profile_key="@DEFAULT@"):
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return self._callback("presence_set", to_jid, show, statuses, profile_key)
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def dbus_presence_statuses_get(self, profile_key="@DEFAULT@"):
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return self._callback("presence_statuses_get", profile_key)
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def dbus_private_data_delete(self, namespace, key, arg_2):
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return self._callback("private_data_delete", namespace, key, arg_2)
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def dbus_private_data_get(self, namespace, key, profile_key):
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return self._callback("private_data_get", namespace, key, profile_key)
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def dbus_private_data_set(self, namespace, key, data, profile_key):
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return self._callback("private_data_set", namespace, key, data, profile_key)
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def dbus_profile_create(self, profile, password='', component=''):
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return self._callback("profile_create", profile, password, component)
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def dbus_profile_delete_async(self, profile):
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return self._callback("profile_delete_async", profile)
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def dbus_profile_is_session_started(self, profile_key="@DEFAULT@"):
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return self._callback("profile_is_session_started", profile_key)
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def dbus_profile_name_get(self, profile_key="@DEFAULT@"):
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return self._callback("profile_name_get", profile_key)
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def dbus_profile_set_default(self, profile):
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return self._callback("profile_set_default", profile)
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def dbus_profile_start_session(self, password='', profile_key="@DEFAULT@"):
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return self._callback("profile_start_session", password, profile_key)
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def dbus_profiles_list_get(self, clients=True, components=False):
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return self._callback("profiles_list_get", clients, components)
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def dbus_progress_get(self, id, profile):
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return self._callback("progress_get", id, profile)
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def dbus_progress_get_all(self, profile):
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return self._callback("progress_get_all", profile)
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def dbus_progress_get_all_metadata(self, profile):
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return self._callback("progress_get_all_metadata", profile)
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def dbus_ready_get(self, ):
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return self._callback("ready_get", )
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def dbus_roster_resync(self, profile_key="@DEFAULT@"):
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return self._callback("roster_resync", profile_key)
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def dbus_session_infos_get(self, profile_key):
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return self._callback("session_infos_get", profile_key)
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def dbus_sub_waiting_get(self, profile_key="@DEFAULT@"):
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return self._callback("sub_waiting_get", profile_key)
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def dbus_subscription(self, sub_type, entity, profile_key="@DEFAULT@"):
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return self._callback("subscription", sub_type, entity, profile_key)
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def dbus_version_get(self, ):
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return self._callback("version_get", )
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class bridge:
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def __init__(self):
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log.info("Init DBus...")
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self._obj = DBusObject(const_OBJ_PATH)
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async def post_init(self):
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try:
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conn = await client.connect(reactor)
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except error.DBusException as e:
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if e.errName == "org.freedesktop.DBus.Error.NotSupported":
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log.error(
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_(
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"D-Bus is not launched, please see README to see instructions on "
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"how to launch it"
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)
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)
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raise BridgeInitError(str(e))
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conn.exportObject(self._obj)
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await conn.requestBusName(const_INT_PREFIX)
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|
def _debug(self, action, params, profile):
|
|
self._obj.emitSignal("_debug", action, params, profile)
|
|
|
|
def action_new(self, action_data, id, security_limit, profile):
|
|
self._obj.emitSignal("action_new", action_data, id, security_limit, profile)
|
|
|
|
def connected(self, jid_s, profile):
|
|
self._obj.emitSignal("connected", jid_s, profile)
|
|
|
|
def contact_deleted(self, entity_jid, profile):
|
|
self._obj.emitSignal("contact_deleted", entity_jid, profile)
|
|
|
|
def contact_new(self, contact_jid, attributes, groups, profile):
|
|
self._obj.emitSignal("contact_new", contact_jid, attributes, groups, profile)
|
|
|
|
def disconnected(self, profile):
|
|
self._obj.emitSignal("disconnected", profile)
|
|
|
|
def entity_data_updated(self, jid, name, value, profile):
|
|
self._obj.emitSignal("entity_data_updated", jid, name, value, profile)
|
|
|
|
def message_encryption_started(self, to_jid, encryption_data, profile_key):
|
|
self._obj.emitSignal("message_encryption_started", to_jid, encryption_data, profile_key)
|
|
|
|
def message_encryption_stopped(self, to_jid, encryption_data, profile_key):
|
|
self._obj.emitSignal("message_encryption_stopped", to_jid, encryption_data, profile_key)
|
|
|
|
def message_new(self, uid, timestamp, from_jid, to_jid, message, subject, mess_type, extra, profile):
|
|
self._obj.emitSignal("message_new", uid, timestamp, from_jid, to_jid, message, subject, mess_type, extra, profile)
|
|
|
|
def param_update(self, name, value, category, profile):
|
|
self._obj.emitSignal("param_update", name, value, category, profile)
|
|
|
|
def presence_update(self, entity_jid, show, priority, statuses, profile):
|
|
self._obj.emitSignal("presence_update", entity_jid, show, priority, statuses, profile)
|
|
|
|
def progress_error(self, id, error, profile):
|
|
self._obj.emitSignal("progress_error", id, error, profile)
|
|
|
|
def progress_finished(self, id, metadata, profile):
|
|
self._obj.emitSignal("progress_finished", id, metadata, profile)
|
|
|
|
def progress_started(self, id, metadata, profile):
|
|
self._obj.emitSignal("progress_started", id, metadata, profile)
|
|
|
|
def subscribe(self, sub_type, entity_jid, profile):
|
|
self._obj.emitSignal("subscribe", sub_type, entity_jid, profile)
|
|
|
|
def register_method(self, name, callback):
|
|
log.debug(f"registering DBus bridge method [{name}]")
|
|
self._obj.register_method(name, callback)
|
|
|
|
def emit_signal(self, name, *args):
|
|
self._obj.emitSignal(name, *args)
|
|
|
|
def add_method(
|
|
self, name, int_suffix, in_sign, out_sign, method, async_=False, doc={}
|
|
):
|
|
"""Dynamically add a method to D-Bus bridge"""
|
|
# FIXME: doc parameter is kept only temporary, the time to remove it from calls
|
|
log.debug(f"Adding method {name!r} to D-Bus bridge")
|
|
self._obj.plugin_iface.addMethod(
|
|
Method(name, arguments=in_sign, returns=out_sign)
|
|
)
|
|
# we have to create a method here instead of using partialmethod, because txdbus
|
|
# uses __func__ which doesn't work with partialmethod
|
|
def caller(self_, *args, **kwargs):
|
|
return self_._callback(name, *args, **kwargs)
|
|
setattr(self._obj, f"dbus_{name}", MethodType(caller, self._obj))
|
|
self.register_method(name, method)
|
|
|
|
def add_signal(self, name, int_suffix, signature, doc={}):
|
|
"""Dynamically add a signal to D-Bus bridge"""
|
|
log.debug(f"Adding signal {name!r} to D-Bus bridge")
|
|
self._obj.plugin_iface.addSignal(Signal(name, signature))
|
|
setattr(bridge, name, partialmethod(bridge.emit_signal, name)) |