Method make_current

python/python3/tornado/ioloop.py:281–305

Makes this the `IOLoop` for the current thread. An `IOLoop` automatically becomes current for its thread when it is started, but it is sometimes useful to call `make_current` explicitly before starting the `IOLoop`, so that code run at startup time can find the right

(self)

        return current

    def make_current(self) -> None:
        """Makes this the `IOLoop` for the current thread.

        An `IOLoop` automatically becomes current for its thread
        when it is started, but it is sometimes useful to call
        `make_current` explicitly before starting the `IOLoop`,
        so that code run at startup time can find the right
        instance.

        .. versionchanged:: 4.1
           An `IOLoop` created while there is no current `IOLoop`
           will automatically become current.

        .. versionchanged:: 5.0
           This method also sets the current `asyncio` event loop.

        .. deprecated:: 6.2
           The concept of an event loop that is "current" without
           currently running is deprecated in asyncio since Python
           3.10. All related functionality in Tornado is also
           deprecated. Instead, start the event loop with `asyncio.run`
           before interacting with it.
        """
        # The asyncio event loops override this method.
        raise NotImplementedError()

    @staticmethod
    def clear_current() -> None: