Function future_set_result_unless_cancelled

tornado/concurrent.py:185–196

Set the given ``value`` as the `Future`'s result, if not cancelled. Avoids ``asyncio.InvalidStateError`` when calling ``set_result()`` on a cancelled `asyncio.Future`. .. versionadded:: 5.0

(
    future: "Union[futures.Future[_T], Future[_T]]", value: _T
)

def future_set_result_unless_cancelled(
    future: "Union[futures.Future[_T], Future[_T]]", value: _T
) -> None:
    """Set the given ``value`` as the `Future`'s result, if not cancelled.

    Avoids ``asyncio.InvalidStateError`` when calling ``set_result()`` on
    a cancelled `asyncio.Future`.

    .. versionadded:: 5.0
    """
    if not future.cancelled():
        future.set_result(value)


def future_set_exception_unless_cancelled(