Raise any asyncio errors if in trio task on cancel

prehardkill
Tyler Goodlet 2020-12-10 13:48:40 -05:00
parent 3e219f76ab
commit f4e4cc1418
1 changed files with 14 additions and 2 deletions

View File

@ -8,7 +8,6 @@ from typing import (
Callable,
AsyncIterator,
Awaitable,
Union,
)
import trio
@ -91,10 +90,12 @@ async def run_task(
def cancel_trio(task):
"""Cancel the calling ``trio`` task on error.
"""
nonlocal err
nonlocal aio_err
aio_err = task.exception()
if aio_err:
log.exception(f"asyncio task errorred:\n{aio_err}")
cancel_scope.cancel()
task.add_done_callback(cancel_trio)
@ -109,6 +110,12 @@ async def run_task(
async with from_aio:
async for item in from_aio:
yield item
if cancel_scope.cancelled_caught:
# always raise from any captured asyncio error
if aio_err:
raise aio_err
except BaseException as err:
if aio_err is not None:
# always raise from any captured asyncio error
@ -124,6 +131,11 @@ async def run_task(
# return single value
return await from_aio.receive()
if cancel_scope.cancelled_caught:
# always raise from any captured asyncio error
if aio_err:
raise aio_err
# Do we need this?
except BaseException as err:
if aio_err is not None: