Mercurial > libervia-backend
diff src/bridge/DBus.py @ 627:d207c2186519
core, bridge, jp, quick_frontend: SàT stop more gracefully if bridge can't be initialised:
- new BridgeInitError and BridgeExceptionNoService are in core.exceptions
- D-Bus NotSupported is catched in bridge, and launch a BridgeInitError
- BridgeInitError stop SàT core, jp, and quick_frontends with an explanation message.
fix bug 27
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 21 Jun 2013 02:00:37 +0200 |
| parents | 84a6e83157c2 |
| children | ca2cae6b2c6d |
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--- a/src/bridge/DBus.py Thu Jun 20 17:44:27 2013 +0200 +++ b/src/bridge/DBus.py Fri Jun 21 02:00:37 2013 +0200 @@ -24,6 +24,7 @@ import inspect from logging import debug, info, error from twisted.internet.defer import Deferred +from sat.core.exceptions import BridgeInitError const_INT_PREFIX = "org.goffi.SAT" # Interface prefix const_ERROR_PREFIX = const_INT_PREFIX + ".error" @@ -506,7 +507,12 @@ dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) Bridge.__init__(self) info("Init DBus...") - self.session_bus = dbus.SessionBus() + try: + self.session_bus = dbus.SessionBus() + except dbus.DBusException as e: + if 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 self.dbus_name = dbus.service.BusName(const_INT_PREFIX, self.session_bus) self.dbus_bridge = DbusObject(self.session_bus, const_OBJ_PATH)