Public bug reported:
fastapi currently FTBFS on Ubuntu Oracular due to an incompatibility
between anyio 4.4.0 and starlett:
_____________________________ test_sync_context_b
______________________________
cls = <class '_pytest.runner.CallInfo'>
func = <function call_and_report.<locals>.<lambda> at 0x7f763f8ac540>
when = 'call'
reraise = (<class '_pytest.outcomes.Exit'>, <class 'KeyboardInterrupt'>)
@classmethod
def from_call(
cls,
func: Callable[[], TResult],
when: Literal["collect", "setup", "call", "teardown"],
reraise: type[BaseException] | tuple[type[BaseException], ...] | None =
None,
) -> CallInfo[TResult]:
"""Call func, wrapping the result in a CallInfo.
:param func:
The function to call. Called without arguments.
:type func: Callable[[], _pytest.runner.TResult]
:param when:
The phase in which the function is called.
:param reraise:
Exception or exceptions that shall propagate if raised by the
function, instead of being wrapped in the CallInfo.
"""
excinfo = None
start = timing.time()
precise_start = timing.perf_counter()
try:
> result: TResult | None = func()
/usr/lib/python3/dist-packages/_pytest/runner.py:341:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
/usr/lib/python3/dist-packages/_pytest/runner.py:242: in <lambda>
lambda: runtest_hook(item=item, **kwds), when=when, reraise=reraise
/usr/lib/python3/dist-packages/pluggy/_hooks.py:513: in __call__
return self._hookexec(self.name, self._hookimpls.copy(), kwargs,
firstresult)
/usr/lib/python3/dist-packages/pluggy/_manager.py:120: in _hookexec
return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
/usr/lib/python3/dist-packages/_pytest/threadexception.py:92: in
pytest_runtest_call
yield from thread_exception_runtest_hook()
/usr/lib/python3/dist-packages/_pytest/threadexception.py:68: in
thread_exception_runtest_hook
yield
/usr/lib/python3/dist-packages/_pytest/unraisableexception.py:95: in
pytest_runtest_call
yield from unraisable_exception_runtest_hook()
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
def unraisable_exception_runtest_hook() -> Generator[None, None, None]:
with catch_unraisable_exception() as cm:
try:
yield
finally:
if cm.unraisable:
if cm.unraisable.err_msg is not None:
err_msg = cm.unraisable.err_msg
else:
err_msg = "Exception ignored in"
msg = f"{err_msg}: {cm.unraisable.object!r}\n\n"
msg += "".join(
traceback.format_exception(
cm.unraisable.exc_type,
cm.unraisable.exc_value,
cm.unraisable.exc_traceback,
)
)
> warnings.warn(pytest.PytestUnraisableExceptionWarning(msg))
E pytest.PytestUnraisableExceptionWarning: Exception ignored
in: <function MemoryObjectReceiveStream.__del__ at 0x7f7642916a20>
E
E Traceback (most recent call last):
E File
"/usr/lib/python3/dist-packages/anyio/streams/memory.py", line 177, in __del__
E warnings.warn(
E ResourceWarning: Unclosed <MemoryObjectReceiveStream>
This is a discussion on the upstream starlette project:
https://github.com/encode/starlette/discussions/2603
and a RC bug in Debian as well:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1073445
** Affects: fastapi (Ubuntu)
Importance: High
Status: Triaged
** Affects: python-anyio (Ubuntu)
Importance: High
Status: Triaged
** Affects: starlette (Ubuntu)
Importance: High
Status: Triaged
** Affects: fastapi (Ubuntu Oracular)
Importance: High
Status: Triaged
** Affects: python-anyio (Ubuntu Oracular)
Importance: High
Status: Triaged
** Affects: starlette (Ubuntu Oracular)
Importance: High
Status: Triaged
** Tags: ftbfs
** Also affects: python-anyio (Ubuntu)
Importance: Undecided
Status: New
** Also affects: starlette (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2080016
Title:
fastapi FTBFS on oracular due to failing tests - ResourceWarning:
Unclosed <MemoryObjectReceiveStream>
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