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Specially raise a `ContextCancelled` for a task-context rpc

transport_hardening
Tyler Goodlet 2021-06-13 18:03:50 -04:00
parent 0d8a5506da
commit 0e6f017929
1 changed files with 9 additions and 4 deletions
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13
tractor/_actor.py
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@ -28,6 +28,7 @@ from ._exceptions import (
unpack_error, unpack_error,
ModuleNotExposed, ModuleNotExposed,
is_multi_cancelled, is_multi_cancelled,
ContextCancelled,
TransportClosed, TransportClosed,
) )
from . import _debug from . import _debug
@ -152,9 +153,12 @@ async def _invoke(
task_status.started(cs) task_status.started(cs)
await chan.send({'return': await coro, 'cid': cid}) await chan.send({'return': await coro, 'cid': cid})
# if cs.cancelled_caught: if cs.cancelled_caught:
# # task was cancelled so relay to the cancel to caller # task-contex was cancelled so relay to the cancel to caller
# await chan.send({'return': await coro, 'cid': cid}) raise ContextCancelled(
f'{func.__name__} cancelled itself',
suberror_type=trio.Cancelled,
)
else: else:
# regular async function # regular async function
@ -168,7 +172,8 @@ async def _invoke(
# TODO: maybe we'll want differnet "levels" of debugging # TODO: maybe we'll want differnet "levels" of debugging
# eventualy such as ('app', 'supervisory', 'runtime') ? # eventualy such as ('app', 'supervisory', 'runtime') ?
if not isinstance(err, trio.ClosedResourceError) and ( if not isinstance(err, trio.ClosedResourceError) and (
not is_multi_cancelled(err) not is_multi_cancelled(err)) and (
not isinstance(err, ContextCancelled)
): ):
# XXX: is there any case where we'll want to debug IPC # XXX: is there any case where we'll want to debug IPC
# disconnects? I can't think of a reason that inspecting # disconnects? I can't think of a reason that inspecting