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njsmith/generalized-move-on-after.py

Last active May 17, 2019 03:13
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generalized-move-on-after.py
# https://gitter.im/python-trio/general?at=5cddee9a6366992a94ce41c5
@asynccontextmanager
async def generalized_move_on_after():
async with trio.open_nursery() as nursery:
async def arbitrary_event():
await wait_for_some_arbitrary_event()
nursery.cancel_scope.cancel()
nursery.start_soon(arbitrary_event)
yield nursery.cancel_scope
nursery.cancel_scope.cancel()
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