Provide curframe_locals for backward compatibility but deprecate it - #125951
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gaogaotiantian merged 8 commits intoFeb 8, 2025
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Provide curframe_locals for backward compatibility but deprecate it#125951gaogaotiantian merged 8 commits into
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ncoghlan
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Couple of suggestions inline for the exact deprecation warning wording, but I think we do need to mention this in NEWS and the What's New docs:
- It's a backwards compatibility fix relative to 3.13.0 and 3.14.0a1 (hence NEWS)
- It's a new deprecation warning relative to 3.12.x (hence inclusion in the What's New deprecation listings)
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Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
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@ncoghlan I gave myself some vacation from CPython a few weeks ago. Now I'm picking up the unfinished stuff. I added the news to explain the deprecation. |
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The regression was detected by ipython's own testsuite. This part of the IPython code is expected to break again with python 3.14, because the curframe_locals attribute was removed in the PR cpython#124369. However, there are plans to restore this attribute for backward compatibility in PR cpython#125951 before the CPython 3.14 release. Url: ipython/ipython#14598 Url: ipython/ipython@c1e945b Url: python/cpython#124369 Url: python/cpython#125951 Url: ipython/ipython#14620 Closes: https://bugs.gentoo.org/946568 Signed-off-by: Gabi Falk <gabifalk@gmx.com>
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The regression was detected by ipython's own testsuite. This part of the IPython code is expected to break again with python 3.14, because the curframe_locals attribute was removed in the PR cpython#124369. However, there are plans to restore this attribute for backward compatibility in PR cpython#125951 before the CPython 3.14 release. Url: ipython/ipython#14598 Url: ipython/ipython@c1e945b Url: python/cpython#124369 Url: python/cpython#125951 Url: ipython/ipython#14620 Closes: https://bugs.gentoo.org/946568 Signed-off-by: Gabi Falk <gabifalk@gmx.com>
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The regression was detected by ipython's own testsuite. This part of the IPython code is expected to break again with python 3.14, because the curframe_locals attribute was removed in the PR cpython#124369. However, there are plans to restore this attribute for backward compatibility in PR cpython#125951 before the CPython 3.14 release. Url: ipython/ipython#14598 Url: ipython/ipython@c1e945b Url: python/cpython#124369 Url: python/cpython#125951 Url: ipython/ipython#14620 Closes: https://bugs.gentoo.org/946568 Signed-off-by: Gabi Falk <gabifalk@gmx.com> Closes: #39746 Signed-off-by: Sam James <sam@gentoo.org>
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Suggested wording adjustment for the What's New, but otherwise LGTM!
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Doc/whatsnew/3.14.rst
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| The undocumented ``pdb.Pdb.curframe_locals`` is deprecated because with | ||
| PEP 667 we don't need to cache the locals anymore. Derived debuggers | ||
| should access ``pdb.Pdb.curframe.f_locals`` directly. |
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| The undocumented ``pdb.Pdb.curframe_locals`` is deprecated because with | |
| PEP 667 we don't need to cache the locals anymore. Derived debuggers | |
| should access ``pdb.Pdb.curframe.f_locals`` directly. | |
| The undocumented ``pdb.Pdb.curframe_locals`` attribute is now a deprecated read-only property | |
| accessing ``pdb.Pdb.curframe.f_locals``. The low overhead dynamic frame locals access added in | |
| Python 3.13 by PEP 667 means the frame locals cache reference previously stored in this attribute | |
| is no longer needed. Derived debuggers should access ``pdb.Pdb.curframe.f_locals`` directly in | |
| Python 3.13 and later versions. |
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Is this correct? Line 617 does not read like a correct sentence.
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We removed pdb.Pdb.curframe_locals in #124369, but there are 3rd party libraries depending on it. We add it back but give a deprecation warning so we can really remove it in the future.