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Code Issues 25 Releases Wiki Activity

Fixed #35174 -- Fixed Signal.asend()/asend_robust() crash when all receivers are asynchronous.

Browse Source 
Regression in e83a88566a.
This commit is contained in:
Vašek Dohnal 2024-02-08 09:21:03 +01:00 committed by Mariusz Felisiak
parent 2f14c2cedc
commit 1b5338d03e
3 changed files with 26 additions and 2 deletions
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8
django/dispatch/dispatcher.py
View File

@ -244,7 +244,9 @@ class Signal:
return responses
else:
sync_send = list
async def sync_send():
return []
responses, async_responses = await asyncio.gather(
sync_send(),
@ -380,7 +382,9 @@ class Signal:
return responses
else:
sync_send = list
async def sync_send():
return []
async def asend_and_wrap_exception(receiver):
try:

4
docs/releases/5.0.3.txt
View File

@ -11,3 +11,7 @@ Bugfixes
* Fixed a regression in Django 5.0.2 where ``intcomma`` template filter could
return a leading comma for string representation of floats (:ticket:`35172`).
* Fixed a bug in Django 5.0 that caused a crash of ``Signal.asend()`` and
``asend_robust()`` when all receivers were asynchronous functions
(:ticket:`35174`).

16
tests/signals/tests.py
View File

@ -626,3 +626,19 @@ class AsyncReceiversTests(SimpleTestCase):
(async_handler, 1),
],
)
async def test_asend_only_async_receivers(self):
async_handler = AsyncHandler()
signal = dispatch.Signal()
signal.connect(async_handler)
result = await signal.asend(self.__class__)
self.assertEqual(result, [(async_handler, 1)])
async def test_asend_robust_only_async_receivers(self):
async_handler = AsyncHandler()
signal = dispatch.Signal()
signal.connect(async_handler)
result = await signal.asend_robust(self.__class__)
self.assertEqual(result, [(async_handler, 1)])