Mercurial > libervia-backend

comparison frontends/src/bridge/dbus_bridge.py @ 2091:f413bfc24458

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bridge, quick_frontend: preparation for async bridge bridge can currently have sync and async methods. This commit prepare the transition to fully async bridges: - a new bridgeConnect method must be called to prepare the bridge - quick app, quick profile manager: changed sync calls to async ones - quick app: bridgeConnect can be called automatically or manually depending on connect_bridge parameter of QuickApp
author Goffi <goffi@goffi.org>
date Tue, 13 Dec 2016 22:27:48 +0100
parents 4633cfcbcccb
children 9c861d07b5b6
comparison
equal deleted inserted replaced
2090:52bd463e6fe7 2091:f413bfc24458
58 condition = '' 58 condition = ''
59 return BridgeException(name, message, condition) 59 return BridgeException(name, message, condition)
60 60
61 61
62 class Bridge(BridgeFrontend): 62 class Bridge(BridgeFrontend):
63 def __init__(self): 63
64 def bridgeConnect(self, callback, errback):
64 try: 65 try:
65 self.sessions_bus = dbus.SessionBus() 66 self.sessions_bus = dbus.SessionBus()
66 self.db_object = self.sessions_bus.get_object(const_INT_PREFIX, 67 self.db_object = self.sessions_bus.get_object(const_INT_PREFIX,
67 const_OBJ_PATH) 68 const_OBJ_PATH)
68 self.db_core_iface = dbus.Interface(self.db_object, 69 self.db_core_iface = dbus.Interface(self.db_object,
70 self.db_plugin_iface = dbus.Interface(self.db_object, 71 self.db_plugin_iface = dbus.Interface(self.db_object,
71 dbus_interface=const_INT_PREFIX + const_PLUGIN_SUFFIX) 72 dbus_interface=const_INT_PREFIX + const_PLUGIN_SUFFIX)
72 except dbus.exceptions.DBusException, e: 73 except dbus.exceptions.DBusException, e:
73 if e._dbus_error_name in ('org.freedesktop.DBus.Error.ServiceUnknown', 74 if e._dbus_error_name in ('org.freedesktop.DBus.Error.ServiceUnknown',
74 'org.freedesktop.DBus.Error.Spawn.ExecFailed'): 75 'org.freedesktop.DBus.Error.Spawn.ExecFailed'):
75 raise BridgeExceptionNoService 76 errback(BridgeExceptionNoService())
76 elif e._dbus_error_name == 'org.freedesktop.DBus.Error.NotSupported': 77 elif e._dbus_error_name == 'org.freedesktop.DBus.Error.NotSupported':
77 log.error(_(u"D-Bus is not launched, please see README to see instructions on how to launch it")) 78 log.error(_(u"D-Bus is not launched, please see README to see instructions on how to launch it"))
78 raise BridgeInitError 79 errback(BridgeInitError)
79 else: 80 else:
80 raise e 81 errback(e)
82 callback()
81 #props = self.db_core_iface.getProperties() 83 #props = self.db_core_iface.getProperties()
82 84
83 def register_signal(self, functionName, handler, iface="core"): 85 def register_signal(self, functionName, handler, iface="core"):
84 if iface == "core": 86 if iface == "core":
85 self.db_core_iface.connect_to_signal(functionName, handler) 87 self.db_core_iface.connect_to_signal(functionName, handler)