plugin.py 文件源码

def dispatch(self, typ, func, event, *args, **kwargs):
        # Link the greenlet with our exception handler
        gevent.getcurrent().link_exception(lambda g: self.handle_exception(g, event))

        # TODO: this is ugly
        if typ != 'command':
            self.greenlets.add(gevent.getcurrent())

        self.ctx['plugin'] = self

        if hasattr(event, 'guild'):
            self.ctx['guild'] = event.guild
        if hasattr(event, 'channel'):
            self.ctx['channel'] = event.channel
        if hasattr(event, 'author'):
            self.ctx['user'] = event.author

        for pre in self._pre[typ]:
            event = pre(func, event, args, kwargs)

        if event is None:
            return False

        result = func(event, *args, **kwargs)

        for post in self._post[typ]:
            post(func, event, args, kwargs, result)

        return True