Use _PyObject_CAST in internal headers #135906

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1. brianschubert

   added

   type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

   buildThe build process and cross-buildThe build process and cross-build

   on Jun 25, 2025
2. picnixz

   added

   interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

   on Jun 27, 2025
3. vstinner

   added 3 commits that reference this issue on Jul 3, 2025

   pythongh-135906: Test the internal C API in test_cext

   d224837

   pythongh-135906: Test the internal C API in test_cext

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   pythongh-135906: Test the internal C API in test_cext

   87eb7e1
4. ZeroIntensity

   closed this as completedin #135892on Jul 7, 2025
5. ZeroIntensity

   added a commit that references this issue on Jul 7, 2025

   gh-135906: Use `_PyObject_CAST` in internal headers (GH-135892)

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   fe187fa
6. miss-islington

   added a commit that references this issue on Jul 7, 2025

   pythongh-135906: Use `_PyObject_CAST` in internal headers (pythonGH-1…

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   840f79d
7. ZeroIntensity

   reopened this on Jul 7, 2025
8. ZeroIntensity commented on Jul 7, 2025

   

   ZeroIntensity

   on Jul 7, 2025

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   Keeping this open until we figure out how to test for this.
9. ZeroIntensity

   added a commit that references this issue on Jul 7, 2025

   [3.14] gh-135906: Use `_PyObject_CAST` in internal headers (GH-135892) (

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   c726990
10. AndPuQing

    added a commit that references this issue on Jul 11, 2025

    pythongh-135906: Use `_PyObject_CAST` in internal headers (pythonGH-…

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11. vstinner

    added a commit that references this issue on Jul 11, 2025

    gh-135906: Test the internal C API in test_cext (#136247)

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    2c9a801
12. Pranjal095

    added a commit that references this issue on Jul 12, 2025

    pythongh-135906: Use `_PyObject_CAST` in internal headers (pythonGH-…

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    7cdbc49
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14. Agent-Hellboy

    added 2 commits that reference this issue on Aug 19, 2025

    pythongh-135906: Use `_PyObject_CAST` in internal headers (pythonGH-…

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    pythongh-135906: Test the internal C API in test_cext (python#136247)

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15. ZeroIntensity

    closed this as completedon Feb 5, 2026
16. clin1234 commented on Feb 5, 2026

    

    clin1234

    on Feb 5, 2026

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    Keeping this open until we figure out how to test for this.

    So has there been a way to test this?
17. ZeroIntensity commented on Feb 5, 2026

    

    ZeroIntensity

    on Feb 5, 2026

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    Yeah, see Victor's PR: #136247. We now include a few internal headers in test_cppext. We'll add more headers there as needed.

    👍React with 👍1Reacted by Victor Stinner
18. vstinner

    added 2 commits that reference this issue on Feb 12, 2026

    pythongh-135906: Test more internal headers in test_cppext

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    pythongh-135906: Test more internal headers in test_cppext

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    e16fc53
19. vstinner commented on Feb 12, 2026

    

    vstinner

    on Feb 12, 2026

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    This issue miss some context. Here you have:

    Fixes build errors encountered in python-greenlet/greenlet#450 when building greenlet against CPython 3.14.0b3 free-threaded.
20. vstinner

    added 3 commits that reference this issue on Feb 12, 2026

    gh-135906: Test more internal headers in test_cext/test_cppext (#144751)

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    pythongh-135906: Test more internal headers in test_cext/test_cppext (p…

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    [3.14] gh-135906: Test more internal headers in test_cext/test_cppext (…

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21. thunder-coding

    added a commit that references this issue on Feb 15, 2026

    pythongh-135906: Test more internal headers in test_cext/test_cppext (p…

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22. vstinner commented on Feb 16, 2026

    

    vstinner

    on Feb 16, 2026

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    test_cppext now checks for C++ compiler warnings in internal headers used by greenlet: pycore_frame.h, pycore_interpframe_structs.h and pycore_interpframe.h.
23. brijkapadia

    added a commit that references this issue on Feb 28, 2026

    pythongh-135906: Test more internal headers in test_cext/test_cppext (p…

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24. ljfp

    added a commit that references this issue on Apr 25, 2026

    pythongh-135906: Test more internal headers in test_cext/test_cppext (p…

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