Type[_RequestHandlerType]) → Type[_RequestHandlerType] Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: • HTTPServerRequest.body is undefined user_agent: str | None = None, use_gzip: bool | None = None, network_interface: str | None = None, streaming_callback: Callable[[bytes], None] | None = None, header_callback: Callable[[str], None] | None = or source IP to use for request. See curl_httpclient note below. • streaming_callback (collections.abc.Callable) – If set, streaming_callback will be run with each chunk of data as it is received, and

frameworks and servers tornado.platform.caresresolver — Asynchronous DNS Resolver using C-Ares tornado.platform.twisted — Bridges between Twisted and Tornado tornado.platform.asyncio — Bridge between asyncio org/3/library/typing.html#typing.Type][_RequestHandlerType] Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: HTTPServerRequest.body is undefined org/3/library/stdtypes.html#str] | None [https://docs.python.org/3/library/constants.html#None] = None, streaming_callback: Callable [https://docs.python.org/3/library/typing.html#typing.Callable][[bytes [https://docs