def connect(reactor, busAddress='session'):
"""
Connects to the specified bus and returns a
L{twisted.internet.defer.Deferred} to the fully-connected
L{DBusClientConnection}.
@param reactor: L{twisted.internet.interfaces.IReactor} implementor
@param busAddress: 'session', 'system', or a valid bus address as defined
by the DBus specification. If 'session' (the default) or 'system' is
supplied, the contents of the DBUS_SESSION_BUS_ADDRESS or
DBUS_SYSTEM_BUS_ADDRESS environment variables will be used for the bus
address, respectively. If DBUS_SYSTEM_BUS_ADDRESS is not set, the
well-known address unix:path=/var/run/dbus/system_bus_socket will be
used.
@type busAddress: C{string}
@rtype: L{DBusClientConnection}
@returns: Deferred to L{DBusClientConnection}
"""
from txdbus import endpoints
f = DBusClientFactory()
d = f.getConnection()
eplist = endpoints.getDBusEndpoints(reactor, busAddress)
eplist.reverse()
def try_next_ep(err):
if eplist:
eplist.pop().connect(f).addErrback(try_next_ep)
else:
d.errback(
ConnectError(
string=(
'Failed to connect to any bus address. Last error: '
+ err.getErrorMessage()
)
)
)
if eplist:
try_next_ep(None)
else:
d.errback(
ConnectError(
string=(
'Failed to connect to any bus address. No valid bus '
'addresses found'
)
)
)
return d
def connect(reactor, busAddress='session'):
"""
Connects to the specified bus and returns a
L{twisted.internet.defer.Deferred} to the fully-connected
L{DBusClientConnection}.
@param reactor: L{twisted.internet.interfaces.IReactor} implementor
@param busAddress: 'session', 'system', or a valid bus address as defined
by the DBus specification. If 'session' (the default) or 'system' is
supplied, the contents of the DBUS_SESSION_BUS_ADDRESS or
DBUS_SYSTEM_BUS_ADDRESS environment variables will be used for the bus
address, respectively. If DBUS_SYSTEM_BUS_ADDRESS is not set, the
well-known address unix:path=/var/run/dbus/system_bus_socket will be
used.
@type busAddress: C{string}
@rtype: L{DBusClientConnection}
@returns: Deferred to L{DBusClientConnection}
"""
from txdbus import endpoints
f = DBusClientFactory()
d = f.getConnection()
eplist = endpoints.getDBusEndpoints(reactor, busAddress)
eplist.reverse()
def try_next_ep(err):
if eplist:
eplist.pop().connect(f).addErrback(try_next_ep)
else:
d.errback(
ConnectError(
string=(
'Failed to connect to any bus address. Last error: '
+ err.getErrorMessage()
)
)
)
if eplist:
try_next_ep(None)
else:
d.errback(
ConnectError(
string=(
'Failed to connect to any bus address. No valid bus '
'addresses found'
)
)
)
return d
def gde(self, addr, client=True):
return endpoints.getDBusEndpoints(reactor, addr, client)
def gde(self, addr, client=True):
return endpoints.getDBusEndpoints(reactor, addr, client)
