242 lines
12 KiB
Python
242 lines
12 KiB
Python
#!/usr/bin/python
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#-*- coding: utf-8 -*-
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# SAT communication bridge
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# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 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 sat.core.i18n import _
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from bridge_frontend import BridgeFrontend, BridgeException
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import dbus
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from sat.core.log import getLogger
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log = getLogger(__name__)
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from sat.core.exceptions import BridgeExceptionNoService, BridgeInitError
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from dbus.mainloop.glib import DBusGMainLoop
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DBusGMainLoop(set_as_default=True)
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import ast
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const_INT_PREFIX = "org.goffi.SAT" # Interface prefix
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const_ERROR_PREFIX = const_INT_PREFIX + ".error"
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const_OBJ_PATH = '/org/goffi/SAT/bridge'
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const_CORE_SUFFIX = ".core"
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const_PLUGIN_SUFFIX = ".plugin"
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const_TIMEOUT = 120
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def dbus_to_bridge_exception(dbus_e):
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"""Convert a DBusException to a BridgeException.
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@param dbus_e (DBusException)
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@return: BridgeException
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"""
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name = dbus_e.get_dbus_name()[len(const_ERROR_PREFIX) + 1:]
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# XXX: dbus_e.args doesn't contain the original DBusException args, but we
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# receive its serialized form in dbus_e.args[0]. From that we can rebuild
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# the original arguments list thanks to ast.literal_eval (secure eval).
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message = dbus_e.get_dbus_message() # similar to dbus_e.args[0]
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try:
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message, condition = ast.literal_eval(message)
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except (SyntaxError, ValueError, TypeError):
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condition = ''
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return BridgeException(name, message, condition)
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class DBusBridgeFrontend(BridgeFrontend):
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def __init__(self):
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try:
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self.sessions_bus = dbus.SessionBus()
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self.db_object = self.sessions_bus.get_object(const_INT_PREFIX,
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const_OBJ_PATH)
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self.db_core_iface = dbus.Interface(self.db_object,
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dbus_interface=const_INT_PREFIX + const_CORE_SUFFIX)
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self.db_plugin_iface = dbus.Interface(self.db_object,
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dbus_interface=const_INT_PREFIX + const_PLUGIN_SUFFIX)
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except dbus.exceptions.DBusException, e:
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if e._dbus_error_name == 'org.freedesktop.DBus.Error.ServiceUnknown':
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raise BridgeExceptionNoService
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elif e._dbus_error_name == 'org.freedesktop.DBus.Error.NotSupported':
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log.error(_(u"D-Bus is not launched, please see README to see instructions on how to launch it"))
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raise BridgeInitError
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else:
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raise e
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#props = self.db_core_iface.getProperties()
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def register(self, functionName, handler, iface="core"):
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if iface == "core":
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self.db_core_iface.connect_to_signal(functionName, handler)
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elif iface == "plugin":
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self.db_plugin_iface.connect_to_signal(functionName, handler)
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else:
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log.error(_('Unknown interface'))
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def __getattribute__(self, name):
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""" usual __getattribute__ if the method exists, else try to find a plugin method """
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try:
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return object.__getattribute__(self, name)
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except AttributeError:
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# The attribute is not found, we try the plugin proxy to find the requested method
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def getPluginMethod(*args, **kwargs):
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# We first check if we have an async call. We detect this in two ways:
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# - if we have the 'callback' and 'errback' keyword arguments
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# - or if the last two arguments are callable
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async = False
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if kwargs:
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if 'callback' in kwargs and 'errback' in kwargs:
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async = True
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_callback = kwargs.pop('callback')
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_errback = kwargs.pop('errback')
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elif len(args) >= 2 and callable(args[-1]) and callable(args[-2]):
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async = True
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args = list(args)
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_errback = args.pop()
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_callback = args.pop()
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method = getattr(self.db_plugin_iface, name)
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if async:
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kwargs['timeout'] = const_TIMEOUT
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kwargs['reply_handler'] = _callback
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kwargs['error_handler'] = lambda err: _errback(dbus_to_bridge_exception(err))
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return method(*args, **kwargs)
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return getPluginMethod
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def addContact(self, entity_jid, profile_key="@DEFAULT@"):
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return self.db_core_iface.addContact(entity_jid, profile_key)
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def asyncConnect(self, profile_key="@DEFAULT@", password='', callback=None, errback=None):
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return self.db_core_iface.asyncConnect(profile_key, password, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err)))
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def asyncCreateProfile(self, profile, password='', callback=None, errback=None):
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return self.db_core_iface.asyncCreateProfile(profile, password, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err)))
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def asyncDeleteProfile(self, profile, callback=None, errback=None):
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return self.db_core_iface.asyncDeleteProfile(profile, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err)))
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def asyncGetParamA(self, name, category, attribute="value", security_limit=-1, profile_key="@DEFAULT@", callback=None, errback=None):
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return unicode(self.db_core_iface.asyncGetParamA(name, category, attribute, security_limit, profile_key, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err))))
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def confirmationAnswer(self, id, accepted, data, profile):
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return self.db_core_iface.confirmationAnswer(id, accepted, data, profile)
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def delContact(self, entity_jid, profile_key="@DEFAULT@"):
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return self.db_core_iface.delContact(entity_jid, profile_key)
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def discoInfos(self, entity_jid, profile_key, callback=None, errback=None):
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return self.db_core_iface.discoInfos(entity_jid, profile_key, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err)))
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def discoItems(self, entity_jid, profile_key, callback=None, errback=None):
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return self.db_core_iface.discoItems(entity_jid, profile_key, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err)))
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def disconnect(self, profile_key="@DEFAULT@"):
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return self.db_core_iface.disconnect(profile_key)
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def getConfig(self, section, name):
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return unicode(self.db_core_iface.getConfig(section, name))
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def getContacts(self, profile_key="@DEFAULT@"):
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return self.db_core_iface.getContacts(profile_key)
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def getContactsFromGroup(self, group, profile_key="@DEFAULT@"):
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return self.db_core_iface.getContactsFromGroup(group, profile_key)
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def getEntityData(self, jid, keys, profile):
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return self.db_core_iface.getEntityData(jid, keys, profile)
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def getHistory(self, from_jid, to_jid, limit, between=True, profile="@NONE@", callback=None, errback=None):
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return self.db_core_iface.getHistory(from_jid, to_jid, limit, between, profile, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err)))
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def getLastResource(self, contact_jid, profile_key="@DEFAULT@"):
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return unicode(self.db_core_iface.getLastResource(contact_jid, profile_key))
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def getMenuHelp(self, menu_id, language):
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return unicode(self.db_core_iface.getMenuHelp(menu_id, language))
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def getMenus(self, language, security_limit):
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return self.db_core_iface.getMenus(language, security_limit)
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def getParamA(self, name, category, attribute="value", profile_key="@DEFAULT@"):
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return unicode(self.db_core_iface.getParamA(name, category, attribute, profile_key))
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def getParams(self, security_limit=-1, app='', profile_key="@DEFAULT@", callback=None, errback=None):
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return unicode(self.db_core_iface.getParams(security_limit, app, profile_key, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err))))
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def getParamsCategories(self, ):
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return self.db_core_iface.getParamsCategories()
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def getParamsForCategory(self, category, security_limit=-1, app='', profile_key="@DEFAULT@", callback=None, errback=None):
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return unicode(self.db_core_iface.getParamsForCategory(category, security_limit, app, profile_key, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err))))
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def getParamsUI(self, security_limit=-1, app='', profile_key="@DEFAULT@", callback=None, errback=None):
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return unicode(self.db_core_iface.getParamsUI(security_limit, app, profile_key, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err))))
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def getPresenceStatuses(self, profile_key="@DEFAULT@"):
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return self.db_core_iface.getPresenceStatuses(profile_key)
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def getProfileName(self, profile_key="@DEFAULT@"):
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return unicode(self.db_core_iface.getProfileName(profile_key))
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def getProfilesList(self, ):
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return self.db_core_iface.getProfilesList()
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def getProgress(self, id, profile):
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return self.db_core_iface.getProgress(id, profile)
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def getReady(self, callback=None, errback=None):
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return self.db_core_iface.getReady(timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err)))
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def getVersion(self, ):
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return unicode(self.db_core_iface.getVersion())
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def getWaitingConf(self, profile_key):
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return self.db_core_iface.getWaitingConf(profile_key)
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def getWaitingSub(self, profile_key="@DEFAULT@"):
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return self.db_core_iface.getWaitingSub(profile_key)
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def isConnected(self, profile_key="@DEFAULT@"):
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return self.db_core_iface.isConnected(profile_key)
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def launchAction(self, callback_id, data, profile_key="@DEFAULT@", callback=None, errback=None):
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return self.db_core_iface.launchAction(callback_id, data, profile_key, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err)))
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def loadParamsTemplate(self, filename):
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return self.db_core_iface.loadParamsTemplate(filename)
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def paramsRegisterApp(self, xml, security_limit=-1, app=''):
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return self.db_core_iface.paramsRegisterApp(xml, security_limit, app)
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def saveParamsTemplate(self, filename):
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return self.db_core_iface.saveParamsTemplate(filename)
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def sendMessage(self, to_jid, message, subject='', mess_type="auto", extra={}, profile_key="@NONE@", callback=None, errback=None):
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return self.db_core_iface.sendMessage(to_jid, message, subject, mess_type, extra, profile_key, timeout=const_TIMEOUT, reply_handler=callback, error_handler=lambda err:errback(dbus_to_bridge_exception(err)))
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def setParam(self, name, value, category, security_limit=-1, profile_key="@DEFAULT@"):
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return self.db_core_iface.setParam(name, value, category, security_limit, profile_key)
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def setPresence(self, to_jid='', show='', statuses={}, profile_key="@DEFAULT@"):
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return self.db_core_iface.setPresence(to_jid, show, statuses, profile_key)
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def subscription(self, sub_type, entity, profile_key="@DEFAULT@"):
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return self.db_core_iface.subscription(sub_type, entity, profile_key)
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def updateContact(self, entity_jid, name, groups, profile_key="@DEFAULT@"):
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return self.db_core_iface.updateContact(entity_jid, name, groups, profile_key)
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