Example #1
0
    def decorator(func):
        member_name = func.__name__
        validate_member_name(member_name)

        def emit_signal(self, *args, **keywords):
            abs_path = None
            if path_keyword is not None:
                if self.SUPPORTS_MULTIPLE_OBJECT_PATHS:
                    raise TypeError('path_keyword cannot be used on the '
                                    'signals of an object that supports '
                                    'multiple object paths')
                abs_path = keywords.pop(path_keyword, None)
                if (abs_path != self.__dbus_object_path__
                        and not self.__dbus_object_path__.startswith(abs_path +
                                                                     '/')):
                    raise ValueError('Path %r is not below %r', abs_path,
                                     self.__dbus_object_path__)

            rel_path = None
            if rel_path_keyword is not None:
                rel_path = keywords.pop(rel_path_keyword, None)

            func(self, *args, **keywords)

            for location in self.locations:
                if abs_path is None:
                    # non-deprecated case
                    if rel_path is None or rel_path in ('/', ''):
                        object_path = location[1]
                    else:
                        # will be validated by SignalMessage ctor in a moment
                        object_path = location[1] + rel_path
                else:
                    object_path = abs_path

                message = SignalMessage(object_path, dbus_interface,
                                        member_name)
                message.append(signature=signature, *args)

                location[0].send_message(message)

        # end emit_signal

        args = inspect.getargspec(func)[0]
        args.pop(0)

        for keyword in rel_path_keyword, path_keyword:
            if keyword is not None:
                try:
                    args.remove(keyword)
                except ValueError:
                    raise ValueError('function has no argument "%s"' % keyword)

        if signature:
            sig = tuple(Signature(signature))

            if len(sig) > len(args):
                raise ValueError, 'signal signature is longer than the number of arguments provided'
            elif len(sig) < len(args):
                raise ValueError, 'signal signature is shorter than the number of arguments provided'

        emit_signal.__name__ = func.__name__
        emit_signal.__doc__ = func.__doc__
        emit_signal._dbus_is_signal = True
        emit_signal._dbus_interface = dbus_interface
        emit_signal._dbus_signature = signature
        emit_signal._dbus_args = args
        return emit_signal
Example #2
0
    def decorator(func):
        member_name = func.__name__
        validate_member_name(member_name)

        def emit_signal(self, *args, **keywords):
            abs_path = None
            if path_keyword is not None:
                if self.SUPPORTS_MULTIPLE_OBJECT_PATHS:
                    raise TypeError('path_keyword cannot be used on the '
                                    'signals of an object that supports '
                                    'multiple object paths')
                abs_path = keywords.pop(path_keyword, None)
                if (abs_path != self.__dbus_object_path__ and
                    not self.__dbus_object_path__.startswith(abs_path + '/')):
                    raise ValueError('Path %r is not below %r', abs_path,
                                     self.__dbus_object_path__)

            rel_path = None
            if rel_path_keyword is not None:
                rel_path = keywords.pop(rel_path_keyword, None)

            func(self, *args, **keywords)

            for location in self.locations:
                if abs_path is None:
                    # non-deprecated case
                    if rel_path is None or rel_path in ('/', ''):
                        object_path = location[1]
                    else:
                        # will be validated by SignalMessage ctor in a moment
                        object_path = location[1] + rel_path
                else:
                    object_path = abs_path

                message = SignalMessage(object_path,
                                                       dbus_interface,
                                                       member_name)
                message.append(signature=signature, *args)

                location[0].send_message(message)
        # end emit_signal

        args = inspect.getargspec(func)[0]
        args.pop(0)

        for keyword in rel_path_keyword, path_keyword:
            if keyword is not None:
                try:
                    args.remove(keyword)
                except ValueError:
                    raise ValueError('function has no argument "%s"' % keyword)

        if signature:
            sig = tuple(Signature(signature))

            if len(sig) > len(args):
                raise ValueError('signal signature is longer than the number of arguments provided')
            elif len(sig) < len(args):
                raise ValueError('signal signature is shorter than the number of arguments provided')

        emit_signal.__name__ = func.__name__
        emit_signal.__doc__ = func.__doc__
        emit_signal._dbus_is_signal = True
        emit_signal._dbus_interface = dbus_interface
        emit_signal._dbus_signature = signature
        emit_signal._dbus_args = args
        return emit_signal