Thank you David! I was not aware that method parameters are mangled in python. It seems it helped.
BTW, I think that the Cython documentation is lacking this change: https://cython.readthedocs.io/en/latest/src/userguide/migrating_to_cy30.html#python-semantics Matus On Mon, 14 Aug 2023 at 19:42, da-woods <dw-...@d-woods.co.uk> wrote: > Hi Matus, > > This'll be related to > https://github.com/cython/cython/commit/abeb082098c13e243a2e2658f9eb45f1c151b091 > > Just an example (in Python, not Cython, but the Cython behaviour should > now be the same): > > >>> class C: > ... def f(self, __kwd): > ... print(locals()) > ... > >>> C().f(1) > {'self': <__main__.C object at 0x7f299ef878d0>, '_C__kwd': 1} > >>> C().f(__kwd=1) > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > TypeError: C.f() got an unexpected keyword argument '__kwd' > >>> C().f(_C__kwd=1) > {'self': <__main__.C object at 0x7f299ef878d0>, '_C__kwd': 1} > > > I haven't looked in much detail at exactly what's happening in uvloop, but > I think this is likely the correct (i.e. Python) behaviour that you're > seeing. > > Hopefully that's enough to track it down. > > David > > On 14/08/2023 18:25, matus valo wrote: > > Hi All, > > I was recently migrating uvloop to cython3 [1]. Unfortunately, after > switching to cython3, uvloop testsuite fails [2]. I am puzzled mainly about > following error: > > ====================================================================== > ERROR: test_process_delayed_stdio__paused__no_stdin > (test_process.Test_UV_Process_Delayed) > ---------------------------------------------------------------------- > Traceback (most recent call last): > File "/home/runner/work/uvloop/uvloop/tests/test_process.py", line 938, > in test_process_delayed_stdio__paused__no_stdin > __uvloop_sleep_after_fork=True)) > File "uvloop/loop.pyx", line 1517, in uvloop.loop.Loop.run_until_complete > return future.result() > File "/home/runner/work/uvloop/uvloop/tests/test_process.py", line 911, > in run_sub > **kwargs) > File "uvloop/loop.pyx", line 2808, in subprocess_shell > return await self.__subprocess_run(protocol_factory, args, shell=True, > File "uvloop/loop.pyx", line 2734, in > uvloop.loop.Loop._Loop__subprocess_run > @cython.iterable_coroutine > TypeError: _Loop__subprocess_run() got an unexpected keyword argument > '__uvloop_sleep_after_fork' > > ====================================================================== > ERROR: test_process_delayed_stdio__paused__stdin_pipe > (test_process.Test_UV_Process_Delayed) > ---------------------------------------------------------------------- > Traceback (most recent call last): > File "/home/runner/work/uvloop/uvloop/tests/test_process.py", line 919, > in test_process_delayed_stdio__paused__stdin_pipe > __uvloop_sleep_after_fork=True)) > File "uvloop/loop.pyx", line 1517, in uvloop.loop.Loop.run_until_complete > return future.result() > File "/home/runner/work/uvloop/uvloop/tests/test_process.py", line 911, > in run_sub > **kwargs) > File "uvloop/loop.pyx", line 2808, in subprocess_shell > return await self.__subprocess_run(protocol_factory, args, shell=True, > File "uvloop/loop.pyx", line 2734, in > uvloop.loop.Loop._Loop__subprocess_run > @cython.iterable_coroutine > TypeError: _Loop__subprocess_run() got an unexpected keyword argument > '__uvloop_sleep_after_fork' > > The issue is regarding calling this method: > https://github.com/MagicStack/uvloop/blob/1dd40f17f3b0d37e3779b6ad5041bab335142337/uvloop/loop.pyx#L2735-L2753 > > When the same code base is compiled in Cython 0.29.X and the test suite is > run, there is no such error. I tried to create a simple reproducer but > failed. > > What do you think? Is it regression in Cython 3.0? Do you have any hint > where the root cause can be? If everything fails, I will try to bisect the > issue. > > Matus > > > [1] https://github.com/MagicStack/uvloop/pull/534 > [2] https://github.com/MagicStack/uvloop/pull/534/checks > > _______________________________________________ > cython-devel mailing > listcython-devel@python.orghttps://mail.python.org/mailman/listinfo/cython-devel > > > _______________________________________________ > cython-devel mailing list > cython-devel@python.org > https://mail.python.org/mailman/listinfo/cython-devel >
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