Restore setting a Call as a base for classes from six.with_metaclass()
#2049
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jacobtylerwalls
added
Bug 🪳
pylint-tested
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@Pierre-Sassoulas do I remember correctly that you develop on Linux? The failing test passes for me on MacOS, so I'm wondering if there are different wheels for |
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Does this resolve #1735 as well? |
No, it doesn't. But I haven't worked out what the root issue is there--is it that it should expect |
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I'm unsure. I'm not familiar with that part of astroid, plus I've never used six. |
Harden support for using enums as metaclasses. Fixes the crash in pylint-dev/pylint#5935 by adopting the check for not-none bases as in ClassDef._inferred_bases without recausing the false positive reported in pylint-dev/pylint#7506, which requires correct bases.
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Additional details and impacted files@@ Coverage Diff @@
## main #2049 +/- ##
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- Coverage 92.82% 92.82% -0.01%
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Files 95 95
Lines 11066 11065 -1
==========================================
- Hits 10272 10271 -1
Misses 794 794
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jacobtylerwalls
commented
Mar 13, 2023
| self.assertIsInstance(inferred.bases[0], nodes.Name) | ||
| self.assertEqual(inferred.bases[0].name, "C") | ||
| self.assertIsInstance(inferred.bases[0], nodes.Call) |
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This change restores the prior results before #1622.
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Yes, I'm on linux, do you want me to test something ? |
We |
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I can't reproduce the fail either: |
Pierre-Sassoulas
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Mar 26, 2023
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…s` (#2049) Harden support for using enums as metaclasses. Fixes the crash in pylint-dev/pylint#5935 by adopting the check for not-none bases as in ClassDef._inferred_bases without recausing the false positive reported in pylint-dev/pylint#7506, which requires correct bases. (cherry picked from commit b5ebf99)
Pierre-Sassoulas
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…s` (#2049) (#2067) Harden support for using enums as metaclasses. Fixes the crash in pylint-dev/pylint#5935 by adopting the check for not-none bases as in ClassDef._inferred_bases without recausing the false positive reported in pylint-dev/pylint#7506, which requires correct bases. (cherry picked from commit b5ebf99) Co-authored-by: Jacob Walls <[email protected]>
Pierre-Sassoulas
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Type of Changes
Description
Harden support for using enums as metaclasses with
six.with_metaclass(...)syntax.Fixes the crash in pylint-dev/pylint#5935 by adopting the check for not-none bases as in
ClassDef._inferred_baseswithout recausing the false positive reported in pylint-dev/pylint#7506, which requires having correct bases. Here is the analogous existing code:https://github.com/PyCQA/astroid/blob/91fd7b95fc943676f5aafb2d0ee881c4e167fa04/astroid/nodes/scoped_nodes/scoped_nodes.py#L3001-L3006
Essentially reverts #1622 (Sorry! It was my best understanding at the time, and at least we were trading a crash for a false positive.)
Refs pylint-dev/pylint#5935 (crash: tested here with test_metaclass_generator_hack_enum_base)
Refs pylint-dev/pylint#7506 (false positive: will open a pylint regression test PR shortly)