def call_method(self, method, *args, **kwargs):
"""Call method with *args and **kwargs over dbus."""
msg = MethodCallMessage(self.destination, self.path, self.interface,
method)
msg.set_no_reply(True)
# get the signature
signature = kwargs.get('signature', None)
if signature is not None:
msg.append(signature=signature, *args)
else:
msg.append(*args)
#gbet the reply/error handlers
reply_handler = kwargs.get('reply_handler', None)
error_handler = kwargs.get('error_handler', None)
assert error_handler != None
def parse_reply(message):
"""Handle the reply message."""
if isinstance(message, ErrorMessage):
return error_handler(DBusException(
name=message.get_error_name(),
*message.get_args_list()))
args_list = message.get_args_list(utf8_strings=False,
byte_arrays=False)
if reply_handler:
if len(args_list) == 0:
reply_handler(None)
elif len(args_list) == 1:
return reply_handler(args_list[0])
else:
return reply_handler(tuple(args_list))
return self.bus.send_message_with_reply(msg,
reply_handler=parse_reply)
def call_method(self, method, *args, **kwargs):
"""Call method with *args and **kwargs over dbus."""
msg = MethodCallMessage(self.destination, self.path, self.interface,
method)
msg.set_no_reply(True)
# get the signature
signature = kwargs.get('signature', None)
if signature is not None:
msg.append(signature=signature, *args)
else:
msg.append(*args)
d = defer.Deferred()
def reply_handler(result):
"""Callback the returned deferred and call 'reply_handler'."""
kwargs.get('reply_handler', lambda _: None)(result)
d.callback(result)
def error_handler(error):
"""Errback the returned deferred and call 'error_handler'."""
kwargs.get('error_handler', lambda _: None)(error)
d.errback(error)
def parse_reply(message):
"""Handle the reply message."""
if isinstance(message, ErrorMessage):
exc = IPCError(name=message.get_error_name(),
info=message.get_args_list())
return error_handler(exc)
args_list = message.get_args_list(utf8_strings=False,
byte_arrays=False)
if len(args_list) == 0:
reply_handler(None)
elif len(args_list) == 1:
reply_handler(args_list[0])
else:
reply_handler(tuple(args_list))
self.bus.send_message_with_reply(msg, reply_handler=parse_reply)
return d
