Returns a pointer to the output buffer content. No terminating null character is appended. */

Append the given piece of data (should be a buffer-compatible object).

Block until all items in the queue are processed. Returns an awaitable, which raises `tornado.util.TimeoutError` after a timeout.

Partition the ``addrinfo`` list by address family. Returns two lists. The first list contains the first entry from ``addrinfo`` and

Replace the named argument in ``args, kwargs`` with ``new_value``. Returns ``(old_value, args, kwargs)``. The returned ``args`` and

Adds a new value for the given key.

Matches current instance against the request. :arg httputil.HTTPServerRequest request: current HTTP request :returns: a dict of param

Block until the internal flag is true. Returns an awaitable, which raises `tornado.util.TimeoutError` after a timeout.

Remove and return an item from the queue. Returns an awaitable which resolves once an item is available, or raises `tornado.util.Time

push back, overrun (oldest) item if no room left

Set the internal flag to ``True``. All waiters are awakened. Calling `.wait` once the flag is set will not block.

Defines a new command line option. ``type`` can be any of `str`, `int`, `float`, `bool`, `~datetime.datetime`, or `~datetime.timedelt

Returns a pointer to the output buffer content with terminating null character appended. */

Returns the current time according to the `IOLoop`'s clock. The return value is a floating-point number relative to an unspecified ti

Closes the `IOLoop`, freeing any resources used. If ``all_fds`` is true, all file descriptors registered on the IOLoop will be closed

Returns a `.Future` that will yield the next available result. Note that this `.Future` will not be the same object as any of the inp

\rst Returns the content of the output buffer as an ``std::string``. \endrst */

An iterable of (name, value) pairs. .. versionadded:: 3.1

Starts the `IOLoop`, runs the given function, and stops the loop. The function must return either an awaitable object or ``None``. If

Returns the number of characters written to the output buffer. */

will return a list conaining all possible result

Sets the given response header name and value. All header values are converted to strings (`datetime` objects are formatted according

Loads a template.

Returns Python objects for the given JSON string. Supports both `str` and `bytes` inputs.

Sends the given message to the client of this Web Socket. The message may be either a string or a dict (which will be encoded as json

Runs the ``callback`` at the time ``deadline`` from the I/O loop. Returns an opaque handle that may be passed to `remove_timeout` to

Asynchronously read a number of bytes. If ``partial`` is true, data is returned as soon as we have any bytes to return (but never mor

If there was an error on the request, raise an `HTTPError`.

Asynchronously read until we have found the given delimiter. The result includes all the data read including the delimiter. If ``max

Writes the given chunk to the output buffer. To write the output to the network, use the `flush()` method below. If the given chunk

* Support testing using an element * @param {Function} fn Passed the created element and returns a boolean result

Reads a message from the WebSocket server. If on_message_callback was specified at WebSocket initialization, this function will never