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Title: Propose a less error-prone helper for module-level getattrs. by anntzer · Pull Request #20857 · matplotlib/matplotlib · GitHub

Open Graph Title: Propose a less error-prone helper for module-level getattrs. by anntzer · Pull Request #20857 · matplotlib/matplotlib

X Title: Propose a less error-prone helper for module-level getattrs. by anntzer · Pull Request #20857 · matplotlib/matplotlib

Description: Apparently we always forget to generate the fallback AttributeError (#20822, #20855), so introduce a helper to do so instead. (I'm not wedded to the exact API...) The changes in deprecation.py are (a) so that one can correctly suppress the inferred type when deprecating properties (the new check is coherent with the if isinstance(obj, type) and other cases) and (b) to make single-argument __get__ work on deprecated properties (consistently with standard properties). Would replace #20856. PR Summary PR Checklist Has pytest style unit tests (and pytest passes). Is Flake 8 compliant (run flake8 on changed files to check). New features are documented, with examples if plot related. Documentation is sphinx and numpydoc compliant (the docs should build without error). Conforms to Matplotlib style conventions (install flake8-docstrings and run flake8 --docstring-convention=all). New features have an entry in doc/users/next_whats_new/ (follow instructions in README.rst there). API changes documented in doc/api/next_api_changes/ (follow instructions in README.rst there).

Open Graph Description: Apparently we always forget to generate the fallback AttributeError (#20822, #20855), so introduce a helper to do so instead. (I'm not wedded to the exact API...) The changes in deprecation.py...

X Description: Apparently we always forget to generate the fallback AttributeError (#20822, #20855), so introduce a helper to do so instead. (I'm not wedded to the exact API...) The changes in deprecatio...

Opengraph URL: https://github.com/matplotlib/matplotlib/pull/20857

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627dbd6 Propose a less error-prone helper for module-level getattrs. anntzer Aug 18, 2021 https://github.com/matplotlib/matplotlib/pull/20857/commits/627dbd63eee8a9a359d0f436c174c8052a8e84b0
d427153 TST: Add unit test to catch recurrences of #20822, #20855 lpsinger Aug 18, 2021 https://github.com/matplotlib/matplotlib/pull/20857/commits/d42715302df75a130273fefebd7952b78fb99657
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