webdriver.py 文件源码

def wait(self,
                   timeout: Union[float, int],
                   func: Callable[[], Awaitable[Any]],
                   *exceptions: Exception) -> Any:
        deadline = time.time() + timeout
        err = None
        while deadline > time.time():
            try:
                result = await func()
                if result:
                    return result
                else:
                    await asyncio.sleep(0.2)
            except exceptions as exc:
                err = exc
                await asyncio.sleep(0.2)
        raise ArsenicTimeout() from err