nodes.py 文件源码

def entrypoint(cls, request, *args, **kwargs):
        # select proper action by http method
        for action_class in cls.iter_actions():
            if action_class.method == request.method:
                break
        else:
            raise HttpResponseNotAllowed()

        param_values = {}
        for param_name, param_class in action_class.get_params().iteritems():
            param_values[param_name] = param_class.construct(cls, request, args, kwargs)
        try:
            action = action_class(param_values)
            return action.run()
        except NodeParamError:
            return HttpRequest(status=500)  # TODO: report, logging etc