Function call_later

scrapy/utils/asyncio.py:234–251

Schedule a function to be called after a delay. This uses either :meth:`asyncio.loop.call_later` or :meth:`reactor.callLater() <twisted.internet.base.ReactorBase.callLater>`, depending on whether asyncio support is available. .. versionadded:: 2.14.0

(
    delay: float, func: Callable[[Unpack[_Ts]], object], *args: Unpack[_Ts]
)

def call_later(
    delay: float, func: Callable[[Unpack[_Ts]], object], *args: Unpack[_Ts]
) -> CallLaterResult:
    """Schedule a function to be called after a delay.

    This uses either :meth:`asyncio.loop.call_later` or
    :meth:`reactor.callLater() <twisted.internet.base.ReactorBase.callLater>`,
    depending on whether asyncio support is available.

    .. versionadded:: 2.14.0
    """
    if is_asyncio_available():
        loop = asyncio.get_event_loop()
        return CallLaterResult.from_asyncio(loop.call_later(delay, func, *args))

    from twisted.internet import reactor

    return CallLaterResult.from_twisted(reactor.callLater(delay, func, *args))


class CallLaterResult: