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Re: Test failures with Python 3 (Re: PMCs: any Hackathon requests? (deadline 11 October))

From: Daniel Shahaf <d.s_at_daniel.shahaf.name>
Date: Wed, 16 Oct 2019 01:40:52 +0000

Johan Corveleyn wrote on Wed, Oct 16, 2019 at 01:07:32 +0200:
> I did have some trouble testing it with Python 3.7 though:
> - First, I had to try it on the swig-py3 branch, because on trunk I
> get this when trying to run any test with py 3.7:

> I guess that's one of the issues fixed by the swig-py3 branch.
> - Then, on the swig-py3 branch, with py 3.7.4 I ran into this issue:
> https://bugs.python.org/issue37549 (os.dup() fails for standard
> streams on Windows 7)
> This fails for any *.py test, because of line 836 in build/run_tests.py:

> - Upgraded to py 3.7.5, in which the above issue seems to be fixed.
> Now, *.py tests still don't work. I get no output at all:

> However, if I run it with --log-to-stdout, the tests do work (with a
> lot of output on stdout). […]

Drive-by comment here, but: since Python 2 reaches EOL during the lifetime of
the 1.13.x branch, I think it would be nice for us to make sure «make check»
passes on Windows under Python 3…

> Conclusion: I can confirm your patch works on Windows, for both Pyton
> 2.7.16 and 3.7.5 on the swig-py3 branch. As for the stdout
> redirection, I guess there might still be a problem ... perhaps the
> fix for https://bugs.python.org/issue37549 is not sufficient for
> Windows 7 ... dunno. Maybe someone can try this on Windows 10 and see
> if it makes a difference.

… although then again, Windows 7 reaches EOL rather soon too, so if the
problem manifests only under Windows 7, it might well not be worth fixing.


Received on 2019-10-16 03:41:05 CEST

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