Method _async_clients

tornado/httpclient.py:192–196

(cls)

    @classmethod
    def _async_clients(cls) -> Dict[IOLoop, "AsyncHTTPClient"]:
        attr_name = "_async_client_dict_" + cls.__name__
        if not hasattr(cls, attr_name):
            setattr(cls, attr_name, weakref.WeakKeyDictionary())
        return getattr(cls, attr_name)

    def __new__(cls, force_instance: bool = False, **kwargs: Any) -> "AsyncHTTPClient":
        io_loop = IOLoop.current()