Mercurial > libervia-backend
view frontends/src/bridge/DBus.py @ 751:1def5b7edf9f
core, bridge: better GenericException handling
author | Goffi <goffi@goffi.org> |
---|---|
date | Tue, 17 Dec 2013 00:56:39 +0100 |
parents | 648511e42a69 |
children | f49945d728de |
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#!/usr/bin/python #-*- coding: utf-8 -*- # SAT communication bridge # Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. from bridge_frontend import BridgeFrontend import dbus from logging import debug, error from sat.core.exceptions import BridgeExceptionNoService, BridgeInitError from dbus.mainloop.glib import DBusGMainLoop DBusGMainLoop(set_as_default=True) const_INT_PREFIX = "org.goffi.SAT" # Interface prefix const_ERROR_PREFIX = const_INT_PREFIX + ".error" const_OBJ_PATH = '/org/goffi/SAT/bridge' const_CORE_SUFFIX = ".core" const_PLUGIN_SUFFIX = ".plugin" class DBusBridgeFrontend(BridgeFrontend): def __init__(self): try: self.sessions_bus = dbus.SessionBus() self.db_object = self.sessions_bus.get_object(const_INT_PREFIX, const_OBJ_PATH) self.db_core_iface = dbus.Interface(self.db_object, dbus_interface=const_INT_PREFIX + const_CORE_SUFFIX) self.db_plugin_iface = dbus.Interface(self.db_object, dbus_interface=const_INT_PREFIX + const_PLUGIN_SUFFIX) except dbus.exceptions.DBusException, e: if e._dbus_error_name == 'org.freedesktop.DBus.Error.ServiceUnknown': raise BridgeExceptionNoService elif e._dbus_error_name == 'org.freedesktop.DBus.Error.NotSupported': print u"D-Bus is not launched, please see README to see instructions on how to launch it" raise BridgeInitError else: raise e #props = self.db_core_iface.getProperties() def register(self, functionName, handler, iface="core"): if iface == "core": self.db_core_iface.connect_to_signal(functionName, handler) elif iface == "plugin": self.db_plugin_iface.connect_to_signal(functionName, handler) else: error(_('Unknown interface')) def __getattribute__(self, name): """ usual __getattribute__ if the method exists, else try to find a plugin method """ try: return object.__getattribute__(self, name) except AttributeError: # The attribute is not found, we try the plugin proxy to find the requested method def getPluginMethod(*args, **kwargs): # We first check if we have an async call. We detect this in two ways: # - if we have the 'callback' and 'errback' keyword arguments # - or if the last two arguments are callable async = False if kwargs: if 'callback' in kwargs and 'errback' in kwargs: async = True _callback = kwargs.pop('callback') _errback = kwargs.pop('errback') elif len(args) >= 2 and callable(args[-1]) and callable(args[-2]): async = True args = list(args) _errback = args.pop() _callback = args.pop() method = getattr(self.db_plugin_iface, name) if async: kwargs['reply_handler'] = _callback kwargs['error_handler'] = lambda err: _errback(err._dbus_error_name[len(const_ERROR_PREFIX) + 1:]) return method(*args, **kwargs) return getPluginMethod def addContact(self, entity_jid, profile_key="@DEFAULT@"): return self.db_core_iface.addContact(entity_jid, profile_key) def asyncConnect(self, profile_key="@DEFAULT@", callback=None, errback=None): return self.db_core_iface.asyncConnect(profile_key, reply_handler=callback, error_handler=lambda err:errback(err._dbus_error_name[len(const_ERROR_PREFIX)+1:])) def asyncCreateProfile(self, profile, callback=None, errback=None): return self.db_core_iface.asyncCreateProfile(profile, reply_handler=callback, error_handler=lambda err:errback(err._dbus_error_name[len(const_ERROR_PREFIX)+1:])) def asyncGetParamA(self, name, category, attribute="value", security_limit=-1, profile_key="@DEFAULT@", callback=None, errback=None): return unicode(self.db_core_iface.asyncGetParamA(name, category, attribute, security_limit, profile_key, reply_handler=callback, error_handler=lambda err:errback(err._dbus_error_name[len(const_ERROR_PREFIX)+1:]))) def callMenu(self, category, name, menu_type, profile_key): return unicode(self.db_core_iface.callMenu(category, name, menu_type, profile_key)) def confirmationAnswer(self, id, accepted, data, profile): return self.db_core_iface.confirmationAnswer(id, accepted, data, profile) def connect(self, profile_key="@DEFAULT@"): return self.db_core_iface.connect(profile_key) def createProfile(self, profile): return self.db_core_iface.createProfile(profile) def delContact(self, entity_jid, profile_key="@DEFAULT@"): return self.db_core_iface.delContact(entity_jid, profile_key) def deleteProfile(self, profile): return self.db_core_iface.deleteProfile(profile) def disconnect(self, profile_key="@DEFAULT@"): return self.db_core_iface.disconnect(profile_key) def getConfig(self, section, name): return unicode(self.db_core_iface.getConfig(section, name)) def getContacts(self, profile_key="@DEFAULT@"): return self.db_core_iface.getContacts(profile_key) def getContactsFromGroup(self, group, profile_key="@DEFAULT@"): return self.db_core_iface.getContactsFromGroup(group, profile_key) def getEntityData(self, jid, keys, profile): return self.db_core_iface.getEntityData(jid, keys, profile) def getHistory(self, from_jid, to_jid, limit, between=True, profile="@NONE@", callback=None, errback=None): return self.db_core_iface.getHistory(from_jid, to_jid, limit, between, profile, reply_handler=callback, error_handler=lambda err:errback(err._dbus_error_name[len(const_ERROR_PREFIX)+1:])) def getLastResource(self, contact_jid, profile_key="@DEFAULT@"): return unicode(self.db_core_iface.getLastResource(contact_jid, profile_key)) def getMenuHelp(self, category, name, menu_type): return unicode(self.db_core_iface.getMenuHelp(category, name, menu_type)) def getMenus(self, ): return self.db_core_iface.getMenus() def getParamA(self, name, category, attribute="value", profile_key="@DEFAULT@"): return unicode(self.db_core_iface.getParamA(name, category, attribute, profile_key)) def getParams(self, security_limit=-1, profile_key="@DEFAULT@", callback=None, errback=None): return unicode(self.db_core_iface.getParams(security_limit, profile_key, reply_handler=callback, error_handler=lambda err:errback(err._dbus_error_name[len(const_ERROR_PREFIX)+1:]))) def getParamsCategories(self, ): return self.db_core_iface.getParamsCategories() def getParamsForCategory(self, category, security_limit=-1, profile_key="@DEFAULT@", callback=None, errback=None): return unicode(self.db_core_iface.getParamsForCategory(category, security_limit, profile_key, reply_handler=callback, error_handler=lambda err:errback(err._dbus_error_name[len(const_ERROR_PREFIX)+1:]))) def getParamsUI(self, security_limit=-1, profile_key="@DEFAULT@", callback=None, errback=None): return unicode(self.db_core_iface.getParamsUI(security_limit, profile_key, reply_handler=callback, error_handler=lambda err:errback(err._dbus_error_name[len(const_ERROR_PREFIX)+1:]))) def getPresenceStatus(self, profile_key="@DEFAULT@"): return self.db_core_iface.getPresenceStatus(profile_key) def getProfileName(self, profile_key="@DEFAULT@"): return unicode(self.db_core_iface.getProfileName(profile_key)) def getProfilesList(self, ): return self.db_core_iface.getProfilesList() def getProgress(self, id, profile): return self.db_core_iface.getProgress(id, profile) def getVersion(self, ): return unicode(self.db_core_iface.getVersion()) def getWaitingConf(self, profile_key): return self.db_core_iface.getWaitingConf(profile_key) def getWaitingSub(self, profile_key="@DEFAULT@"): return self.db_core_iface.getWaitingSub(profile_key) def isConnected(self, profile_key="@DEFAULT@"): return self.db_core_iface.isConnected(profile_key) def launchAction(self, action_type, data, profile_key="@DEFAULT@"): return unicode(self.db_core_iface.launchAction(action_type, data, profile_key)) def registerNewAccount(self, login, password, email, host, port=5222): return unicode(self.db_core_iface.registerNewAccount(login, password, email, host, port)) def sendMessage(self, to_jid, message, subject='', mess_type="auto", extra={}, profile_key="@NONE@"): return self.db_core_iface.sendMessage(to_jid, message, subject, mess_type, extra, profile_key) def setParam(self, name, value, category, security_limit=-1, profile_key="@DEFAULT@"): return self.db_core_iface.setParam(name, value, category, security_limit, profile_key) def setPresence(self, to_jid='', show='', priority=0, statuses={}, profile_key="@DEFAULT@"): return self.db_core_iface.setPresence(to_jid, show, priority, statuses, profile_key) def subscription(self, sub_type, entity, profile_key="@DEFAULT@"): return self.db_core_iface.subscription(sub_type, entity, profile_key) def updateContact(self, entity_jid, name, groups, profile_key="@DEFAULT@"): return self.db_core_iface.updateContact(entity_jid, name, groups, profile_key)