the argument as utf-8 and returns a unicode string, but this may be overridden in subclasses. Parameters: This method is used as a filter for both get_argument() and for values extracted from the url RequestHandler.request The tornado.httputil.HTTPServerRequest object containing additional request parameters including e.g. headers and body data. RequestHandler.path_args RequestHandler.path_kwargs The See clear_cookie for more information on the path and domain parameters. Changed in version 3.2: Added the path and domain parameters. RequestHandler.get_secure_cookie(name, value=None, max_age_days=31

RequestHandler.request The tornado.httputil.HTTPServerRequest object containing additional request parameters includ- ing e.g. headers and body data. RequestHandler.path_args 6.2. Web framework 41 Tornado set_status(status_code: int, reason: Optional[str] = None) → None Sets the status code for our response. Parameters • status_code (int) – Response status code. • reason (str) – Human-readable reason phrase describing the user sent with this request. See clear_cookie for more information on the path and domain parameters. Similar to set_cookie, the effect of this method will not be seen until the following request

RequestHandler.request The tornado.httputil.HTTPServerRequest object containing additional request parameters includ- ing e.g. headers and body data. RequestHandler.path_args RequestHandler.path_kwargs Output RequestHandler.set_status(status_code, reason=None) Sets the status code for our response. Parameters • status_code (int) – Response status code. If reason is None, it must be present in httplib See clear_cookie for more information on the path and domain parameters. Changed in version 3.2: Added the path and domain parameters. RequestHandler.get_secure_cookie(name, value=None, max_age_days=31

RequestHandler.request The tornado.httputil.HTTPServerRequest object containing additional request parameters includ- ing e.g. headers and body data. RequestHandler.path_args RequestHandler.path_kwargs Output RequestHandler.set_status(status_code, reason=None) Sets the status code for our response. Parameters • status_code (int) – Response status code. • reason (str) – Human-readable reason phrase describing path and domain parameters. Similar to set_cookie, the effect of this method will not be seen until the following request. Changed in version 3.2: Added the path and domain parameters. RequestHandler

RequestHandler.request The tornado.httputil.HTTPServerRequest object containing additional request parameters includ- ing e.g. headers and body data. RequestHandler.path_args RequestHandler.path_kwargs set_status(status_code: int, reason: str = None) → None Sets the status code for our response. Parameters • status_code (int) – Response status code. • reason (str) – Human-readable reason phrase describing the user sent with this request. See clear_cookie for more information on the path and domain parameters. Similar to set_cookie, the effect of this method will not be seen until the following request

RequestHandler.request The tornado.httputil.HTTPServerRequest object containing additional request parameters including e.g. headers and body data. RequestHandler.path_args 6.2. Web framework 43 Tornado set_status(status_code: int, reason: Optional[str] = None) → None Sets the status code for our response. Parameters • status_code (int) – Response status code. • reason (str) – Human-readable reason phrase describing path and domain parameters. Similar to set_cookie, the effect of this method will not be seen until the following request. Changed in version 3.2: Added the path and domain parameters. RequestHandler

RequestHandler.request The tornado.httputil.HTTPServerRequest object containing additional request parameters including e.g. headers and body data. RequestHandler.path_args RequestHandler.path_kwargs The set_status(status_code: int, reason: Optional[str] = None) → None Sets the status code for our response. Parameters • status_code (int) – Response status code. • reason (str) – Human-readable reason phrase describing will not be seen until the following request. Changed in version 3.2: Added the path and domain parameters. Changed in version 6.3: Now accepts all keyword arguments that set_cookie does. Deprecated since

RequestHandler.request The tornado.httputil.HTTPServerRequest object containing additional request parameters including e.g. headers and body data. RequestHandler.path_args RequestHandler.path_kwargs The set_status(status_code: int, reason: Optional[str] = None) → None Sets the status code for our response. Parameters • status_code (int) – Response status code. • reason (str) – Human-readable reason phrase describing will not be seen until the following request. Changed in version 3.2: Added the path and domain parameters. Changed in version 6.3: Now accepts all keyword arguments that set_cookie does. Deprecated since

RequestHandler.request The tornado.httputil.HTTPServerRequest object containing additional request parameters including e.g. headers and body data. RequestHandler.path_args RequestHandler.path_kwargs The set_status(status_code: int, reason: Optional[str] = None) → None Sets the status code for our response. Parameters • status_code (int) – Response status code. • reason (str) – Human-readable reason phrase describing will not be seen until the following request. Changed in version 3.2: Added the path and domain parameters. Changed in version 6.3: Now accepts all keyword arguments that set_cookie does. Deprecated since

RequestHandler.request The tornado.httputil.HTTPServerRequest object containing additional request parameters including e.g. headers and body data. RequestHandler.path_args RequestHandler.path_kwargs The set_status(status_code: int, reason: Optional[str] = None) → None Sets the status code for our response. Parameters • status_code (int) – Response status code. • reason (str) – Human-readable reason phrase describing will not be seen until the following request. Changed in version 3.2: Added the path and domain parameters. Changed in version 6.3: Now accepts all keyword arguments that set_cookie does. Deprecated since