GNU bug report logs - #63649
python-zope-exceptions: Build failure (in test_multiline_exception test) with Python 3.10

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ivan Vilata i Balaguer <ivan <at> selidor.net>
Subject: bug#63649: closed (Re: python-zope-exceptions: Build failure (in
 test_multiline_exception test) with Python 3.10)
Date: Tue, 23 May 2023 06:31:03 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#63649: python-zope-exceptions: Build failure (in test_multiline_exception test) with Python 3.10

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 63649 <at> debbugs.gnu.org.

-- 
63649: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=63649
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: "jgart" <jgart <at> dismail.de>
To: 63649-done <at> debbugs.gnu.org, "Ivan Vilata i Balaguer"
 <ivan <at> selidor.net>
Cc: control <at> debbugs.gnu.org
Subject: Re: python-zope-exceptions: Build failure (in
 test_multiline_exception test) with Python 3.10
Date: Tue, 23 May 2023 06:30:43 +0000

Hi Ivan,

Applied. Thanks!

all best,

jgart

[Message part 3 (message/rfc822, inline)]

From: Ivan Vilata i Balaguer <ivan <at> selidor.net>
To: bug-guix <at> gnu.org
Subject: python-zope-exceptions: Build failure (in test_multiline_exception
 test) with Python 3.10
Date: Mon, 22 May 2023 18:57:12 +0200

[Message part 4 (text/plain, inline)]

Hi!  Building `python-zope-exceptions` 4.4 fails in the version of Guix shown below:

```
$ LANG=C guix describe
Generation 56   May 02 2023 11:25:26    (current)
  guix 3f8c489
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: 3f8c4899a9a67bb509a603bd21dcfcfab88c0e8e
```

It looks like a Python 3.10 issue fixed in a newer upstream version.  This is
the final part of the build log:

```
starting phase `check'
Running zope.testrunner.layer.UnitTests tests:
  Set up zope.testrunner.layer.UnitTests in 0.000 seconds.


Failure in test test_multiline_exception (zope.exceptions.tests.test_exceptionformatter.Test_format_exception)
Traceback (most recent call last):
  File "/gnu/store/dy3xh053ahkhrp2jamggq8cpsyvp8mg0-python-3.10.7/lib/python3.10/unittest/case.py", line 59, in testPartExecutor
    yield
  File "/gnu/store/dy3xh053ahkhrp2jamggq8cpsyvp8mg0-python-3.10.7/lib/python3.10/unittest/case.py", line 591, in run
    self._callTestMethod(testMethod)
  File "/gnu/store/dy3xh053ahkhrp2jamggq8cpsyvp8mg0-python-3.10.7/lib/python3.10/unittest/case.py", line 549, in _callTestMethod
    method()
  File "/gnu/store/yflssryyj355226m2nq5m4971s88cmpz-python-zope-exceptions-bootstrap-4.4/lib/python3.10/site-packages/zope/exceptions/tests/test_exceptionformatter.py", line 670, in test_multiline_exception
    self.assertTrue(lines[1].endswith('    ^'))
  File "/gnu/store/dy3xh053ahkhrp2jamggq8cpsyvp8mg0-python-3.10.7/lib/python3.10/unittest/case.py", line 687, in assertTrue
    raise self.failureException(msg)
AssertionError: False is not true
```

Looking at the failing line, it looks like the commit below fixed it for
Python 3.10 compatibility:
<https://github.com/zopefoundation/zope.exceptions/commit/cb2d21400c95b73909b1145674c08fed31b8759a>

Probably version >= 4.5 of the package (which claims "Add official support for
Python 3.9 and 3.10." does work (I've been unable to figure out the proper
`--with-XXXX` incantation to assert that).

Thanks!

-- 
Ivan Vilata i Balaguer -- https://elvil.net/

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