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Bug#1025197: zope.exceptions: (autopkgtest) needs update for python3.11: 'DummyTB' object has no attribute 'tb_lasti'



Source: zope.exceptions
Version: 4.5-1
Severity: serious
Tags: sid bookworm
User: debian-ci@lists.debian.org
Usertags: needs-update
User: debian-python@lists.debian.org
Usertags: python3.11
Control: affects -1 src:python3-defaults

Dear maintainer(s),

We are in the transition of adding python3.11 as a supported Python version [0]. With a recent upload of python3-defaults the autopkgtest of zope.exceptions fails in testing when that autopkgtest is run with the binary packages of python3-defaults from unstable. It passes when run with only packages from testing. In tabular form:

                       pass            fail
python3-defaults       from testing    3.10.6-3
zope.exceptions        from testing    4.5-1
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is blocking the migration of python3-defaults to testing [1]. https://docs.python.org/3/whatsnew/3.11.html lists what's new in Python3.11, it may help to identify what needs to be updated.

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[0] https://bugs.debian.org/1021984
[1] https://qa.debian.org/excuses.php?package=python3-defaults

https://ci.debian.net/data/autopkgtest/testing/amd64/z/zope.exceptions/28796455/log.gz

=================================== FAILURES =================================== ____ TextExceptionFormatterTests.test_formatException_recursion_in_tb_stack ____

self = <zope.exceptions.tests.test_exceptionformatter.TextExceptionFormatterTests testMethod=test_formatException_recursion_in_tb_stack>

    def test_formatException_recursion_in_tb_stack(self):
        import traceback
        fmt = self._makeOne()
        err = ValueError('testing')
        tb_recurse = DummyTB()
        tb_recurse.tb_lineno = 27
        r_f = tb_recurse.tb_frame = DummyFrame()
        r_f.f_lineno = 27
        r_f.f_locals['__exception_formatter__'] = 1
        tb = DummyTB()
        tb.tb_frame = DummyFrame()
        tb.tb_next = tb_recurse
      lines = fmt.formatException(ValueError, err, tb)

/usr/lib/python3/dist-packages/zope/exceptions/tests/test_exceptionformatter.py:347: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ /usr/lib/python3/dist-packages/zope/exceptions/exceptionformatter.py:186: in formatException
    result.extend(traceback.format_tb(tb))
/usr/lib/python3.11/traceback.py:59: in format_tb
    return extract_tb(tb, limit=limit).format()
/usr/lib/python3.11/traceback.py:74: in extract_tb
    return StackSummary._extract_from_extended_frame_gen(
/usr/lib/python3.11/traceback.py:416: in _extract_from_extended_frame_gen
    for f, (lineno, end_lineno, colno, end_colno) in frame_gen:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ tb = <zope.exceptions.tests.test_exceptionformatter.DummyTB object at 0x7fea63c25110>

    def _walk_tb_with_full_positions(tb):
# Internal version of walk_tb that yields full code positions including
        # end line and column information.
        while tb is not None:
          positions = _get_code_position(tb.tb_frame.f_code, tb.tb_lasti)
E           AttributeError: 'DummyTB' object has no attribute 'tb_lasti'

/usr/lib/python3.11/traceback.py:353: AttributeError
=============================== warnings summary ===============================
../../../../usr/lib/python3/dist-packages/zope/exceptions/tests/test_exceptionformatter.py:869

/usr/lib/python3/dist-packages/zope/exceptions/tests/test_exceptionformatter.py:869: PytestCollectionWarning: cannot collect test class 'TestingTracebackSupplement' because it has a __init__ constructor (from: tests/test_exceptionformatter.py)
    class TestingTracebackSupplement(object):

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
=========================== short test summary info ============================ FAILED tests/test_exceptionformatter.py::TextExceptionFormatterTests::test_formatException_recursion_in_tb_stack =================== 1 failed, 79 passed, 1 warning in 0.18s ====================
autopkgtest [01:18:35]: test upstream-unittest

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