Release 5.1.1 WSGI and Google App Engine Tornado is normally intended to be run on its own, without a WSGI container. However, in some environments (such as Google App Engine), only WSGI is allowed and applications decorator. tornado.web.stream_request_body(cls) Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: • HTTPServerRequest.body is undefined interface to use for request. curl_httpclient only; see note below. • streaming_callback (collections.abc.Callable) – If set, streaming_callback will be run with each chunk of data as it is received, and

Static files and aggressive file caching Debug mode and automatic reloading WSGI and Google App Engine Introduction Tornado [http://www.tornadoweb.org] is a Python web framework and asynchronous networking some IDEs. WSGI and Google App Engine Tornado is normally intended to be run on its own, without a WSGI container. However, in some environments (such as Google App Engine), only WSGI is allowed and applications decorator. tornado.web.stream_request_body(cls) Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: Parameters: HTTPServerRequest.body

Static files and aggressive file caching Debug mode and automatic reloading WSGI and Google App Engine Introduction Tornado [http://www.tornadoweb.org] is a Python web framework and asynchronous networking some IDEs. WSGI and Google App Engine Tornado is normally intended to be run on its own, without a WSGI container. However, in some environments (such as Google App Engine), only WSGI is allowed and applications decorator. tornado.web.stream_request_body(cls) Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: HTTPServerRequest.body is undefined

some IDEs. WSGI and Google App Engine Tornado is normally intended to be run on its own, without a WSGI container. However, in some environments (such as Google App Engine), only WSGI is allowed and applications decorator. tornado.web.stream_request_body(cls) Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: • HTTPServerRequest.body is undefined Network interface to use for request. curl_httpclient only; see note below. • streaming_callback (callable) – If set, streaming_callback will be run with each chunk of data as it is received, and HTTPResponse

RequestHandler]) → Type[tornado.web.RequestHandler] Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: • HTTPServerRequest.body is undefined max_redirects: int = None, user_agent: str = None, use_gzip: bool = None, network_interface: str = None, streaming_callback: Callable[[bytes], None] = None, header_callback: Callable[[str], None] = None, prepare_curl_callback: 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

RequestHandler]) → Type[tornado.web.RequestHandler] Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: • HTTPServerRequest.body is undefined 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 HTTPResponse.headers will be empty in the final response. This is most useful in conjunction with streaming_callback, because it’s the only way to get access to header data while the request is in progress

Type[_RequestHandlerType]) → Type[_RequestHandlerType] Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: • HTTPServerRequest.body is undefined Optional[str] = None, use_gzip: Optional[bool] = None, network_interface: Optional[str] = None, streaming_callback: Optional[Callable[[bytes], None]] = None, header_callback: Optional[Callable[[str], 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

Type[_RequestHandlerType]) → Type[_RequestHandlerType] Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: • HTTPServerRequest.body is undefined Optional[str] = None, use_gzip: Optional[bool] = None, network_interface: Optional[str] = None, streaming_callback: Optional[Callable[[bytes], None]] = None, header_callback: Optional[Callable[[str], 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

Type[_RequestHandlerType]) → Type[_RequestHandlerType] Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: • HTTPServerRequest.body is undefined Optional[str] = None, use_gzip: Optional[bool] = None, network_interface: Optional[str] = None, streaming_callback: Optional[Callable[[bytes], None]] = None, header_callback: Optional[Callable[[str], 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

Type[_RequestHandlerType]) → Type[_RequestHandlerType] Apply to RequestHandler subclasses to enable streaming body support. This decorator implies the following changes: • HTTPServerRequest.body is undefined Optional[str] = None, use_gzip: Optional[bool] = None, network_interface: Optional[str] = None, streaming_callback: Optional[Callable[[bytes], None]] = None, header_callback: Optional[Callable[[str], 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