13.11. AsyncIO Shield

• Shielding from Cancellation

• Awaitable asyncio.shield(aw)

• Protect an awaitable object from being cancelled.

13.11.1. Example

>>> import asyncio
>>>
>>>
>>> async def work():
...     return 'done'
>>>
>>>
>>> async def main():
...     try:
...         res = await asyncio.shield(work())
...     except asyncio.CancelledError:
...         res = None
>>>
>>>
>>> asyncio.run(main())