How to use aiorun - 10 common examples

"""Basic SIGTERM"""

    created_tasks = []

    async def background_task():
        await asyncio.sleep(10)

    async def main():
        # loop = asyncio.get_running_loop()
        loop = asyncio.get_event_loop()
        created_tasks.extend(loop.create_task(background_task()) for i in range(10))
        await asyncio.sleep(0.01)
        raise Exception("Stops the loop")

    with pytest.raises(Exception) as excinfo:
        run(main(), stop_on_unhandled_errors=True)

    print(excinfo.traceback)
    assert "Stops the loop" in str(excinfo.value)
    assert all(t.cancelled for t in created_tasks)

out = await shutdown_waits_for(corofn(sleep=0.01))
            assert out is True

            # This one is going to last longer than the shutdown
            # but we can't get anything back out if that happens.
            await shutdown_waits_for(corofn(sleep=0.03))
            # main() gets cancelled here
            await asyncio.sleep(2)  # pragma: no cover.
            # This append won't happen
            items.append(True)  # pragma: no cover.
        except asyncio.CancelledError:
            print("main got cancelled")
            raise

    kill(SIGTERM, after=0.02)
    run(main())

    assert len(items) == 2

def test_sigterm():
    """Basic SIGTERM"""

    async def main():
        await asyncio.sleep(5.0)

    kill(SIGTERM)
    loop = newloop()
    run(main(), loop=loop)
    assert not loop.is_closed()

def test_sigterm_enduring_ensure_future():
    """Calling `shutdown_waits_for()` via `ensure_future()`"""

    items = []

    async def corofn():
        await asyncio.sleep(0.02)
        items.append(True)

    async def main():
        # Note that we don't need a loop variable anywhere!
        asyncio.ensure_future(shutdown_waits_for(corofn()))

    kill(SIGTERM, after=0.01)
    run(main())
    assert items

def test_sigint():
    """Basic SIGINT"""
    kill(SIGINT)
    run()

def test_exe():
    """Custom executor"""
    exe = ThreadPoolExecutor()
    kill(SIGTERM)
    run(executor=exe)

def test_sigterm_enduring_create_task():
    """Calling `shutdown_waits_for()` via `create_task()`"""

    items = []

    async def corofn():
        await asyncio.sleep(0.04)
        items.append(True)

    async def main():
        loop = asyncio.get_event_loop()
        loop.create_task(shutdown_waits_for(corofn()))

    kill(SIGTERM, after=0.02)
    run(main())
    assert items

def test_uvloop():
    """Basic SIGTERM"""

    async def main():
        await asyncio.sleep(0)
        asyncio.get_event_loop().stop()

    run(main(), use_uvloop=True)

the hidden Task inside). However, there will be a RuntimeWarning
    that the coroutine returned from `shutdown_waits_for() was never
    awaited. Therefore, maybe best not to use this, just to avoid
    confusion."""

    items = []

    async def corofn():
        await asyncio.sleep(0.02)
        items.append(True)

    async def main():
        shutdown_waits_for(corofn())  # <-- Look Ma! No awaits!

    kill(SIGTERM, after=0.01)
    run(main())
    assert items

async def main():
        # Note that we don't need a loop variable anywhere!
        asyncio.ensure_future(shutdown_waits_for(corofn()))