Exemplo n.º 1
0
    def unregisterAll(self, listener):
        """ Disassociate listener with all messages created by this Dispatcher.

        @param listener callable to no longer receive messages
        @return True if disassociated with one or more handler; otherwise False
        """
        return self.unregister(listener, *[maybeName(i) for v in list(self.messageTypes.values()) for i in v])
Exemplo n.º 2
0
    def unregisterAll(self, listener):
        """ Disassociate listener with all messages created by this Dispatcher.

        @param listener callable to no longer receive messages
        @return True if disassociated with one or more handler; otherwise False
        """
        return self.unregister(listener, *[maybeName(i) for v in list(self.messageTypes.values()) for i in v])
Exemplo n.º 3
0
    def __call__(self, name, args):
        """ Send message to each listener.

        @param name method name
        @param args arguments for message instance
        @return None
        """
        results = []
        try:
            messageType = self.messageTypes[name]
            listeners = self.listeners[maybeName(messageType[0])]
        except (KeyError, ):
            return results
        message = messageType[0](**args)
        for listener in listeners:
            try:
                results.append(listener(message))
            except (Exception, ):
                errmsg = ("Exception in message dispatch.  "
                          "Handler '%s' for '%s'")
                self.logger.exception(errmsg, maybeName(listener), name)
                results.append(None)
        return results
Exemplo n.º 4
0
    def __call__(self, name, args):
        """ Send message to each listener.

        @param name method name
        @param args arguments for message instance
        @return None
        """
        results = []
        try:
            messageType = self.messageTypes[name]
            listeners = self.listeners[maybeName(messageType[0])]
        except (KeyError, ):
            return results
        message = messageType[0](**args)
        for listener in listeners:
            try:
                results.append(listener(message))
            except (Exception, ):
                errmsg = ("Exception in message dispatch.  "
                          "Handler '%s' for '%s'")
                self.logger.exception(errmsg, maybeName(listener), name)
                results.append(None)
        return results
Exemplo n.º 5
0
    def register(self, listener, *types):
        """ Associate listener with message types created by this Dispatcher.

        @param listener callable to receive messages
        @param *types zero or more message types to associate with listener
        @return True if associated with one or more handler; otherwise False
        """
        count = 0
        for messagetype in types:
            key = maybeName(messagetype)
            listeners = self.listeners.setdefault(key, [])
            if listener not in listeners:
                listeners.append(listener)
                count += 1
        return count > 0
Exemplo n.º 6
0
    def register(self, listener, *types):
        """ Associate listener with message types created by this Dispatcher.

        @param listener callable to receive messages
        @param *types zero or more message types to associate with listener
        @return True if associated with one or more handler; otherwise False
        """
        count = 0
        for messagetype in types:
            key = maybeName(messagetype)
            listeners = self.listeners.setdefault(key, [])
            if listener not in listeners:
                listeners.append(listener)
                count += 1
        return count > 0
Exemplo n.º 7
0
    def unregister(self, listener, *types):
        """ Disassociate listener with message types created by this Dispatcher.

        @param listener callable to no longer receive messages
        @param *types zero or more message types to disassociate with listener
        @return True if disassociated with one or more handler; otherwise False
        """
        count = 0
        for messagetype in types:
            try:
                listeners = self.listeners[maybeName(messagetype)]
            except (KeyError, ):
                pass
            else:
                if listener in listeners:
                    listeners.remove(listener)
                    count += 1
        return count > 0
Exemplo n.º 8
0
    def unregister(self, listener, *types):
        """ Disassociate listener with message types created by this Dispatcher.

        @param listener callable to no longer receive messages
        @param *types zero or more message types to disassociate with listener
        @return True if disassociated with one or more handler; otherwise False
        """
        count = 0
        for messagetype in types:
            try:
                listeners = self.listeners[maybeName(messagetype)]
            except (KeyError, ):
                pass
            else:
                if listener in listeners:
                    listeners.remove(listener)
                    count += 1
        return count > 0