leics.py 文件源码

def dispatch_request(self, request):
        """
        ????~????
            request.environ -> url_map bind to environ ->
            caller(???) -> ins(??????) -> current_method(????http??)
            -> current_method(ins): ??????????????? -> res(????)
            -> make_response(??????????)
        ?????????????????
        """
        adapter = self.url_map.bind_to_environ(request.environ)
        try:
            endpoint, values = adapter.match()
            caller = [
            caller_rule[0] for caller_rule in \
                self.url_map._caller_rule \
                if endpoint == caller_rule[0].__name__
            ][0]
            ins = caller(app_name=self.app_name, **values)
            methods = adapter.default_method
            current_method = getattr(caller, request.method.lower(), None)
            if not current_method:
                return self.make_response("Method not allowed")
            res = current_method(ins)
            return self.make_response(res, request) or \
                    self.make_response("rv is NoneType...")
        except NotFound, e:
            return self.error_404()
        except HTTPException, e:
            return e