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Title: gh-117142: Slightly hacky fix for memory leak of StgInfo by encukou · Pull Request #119424 · python/cpython · GitHub

Open Graph Title: gh-117142: Slightly hacky fix for memory leak of StgInfo by encukou · Pull Request #119424 · python/cpython

X Title: gh-117142: Slightly hacky fix for memory leak of StgInfo by encukou · Pull Request #119424 · python/cpython

Description: Add a function that inlines PyObject_GetTypeData and skips type-checking, so it doesn't need access to the CType_Type object. This will break if the memory layout changes, but should be an acceptable solution to enable ctypes in subinterpreters in Python 3.13. This is a less invasive version of #118139. >python_d -X showrefcount -c "import ctypes" [188 refs, 132 blocks] # before [0 refs, 0 blocks] # after Issue: gh-117142

Open Graph Description: Add a function that inlines PyObject_GetTypeData and skips type-checking, so it doesn't need access to the CType_Type object. This will break if the memory layout changes, but should be an acce...

X Description: Add a function that inlines PyObject_GetTypeData and skips type-checking, so it doesn't need access to the CType_Type object. This will break if the memory layout changes, but should be an ...

Opengraph URL: https://github.com/python/cpython/pull/119424

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gh-117142: Slightly hacky fix for memory leak of StgInfo https://github.com/python/cpython/pull/119424/files#top
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c3fdc38 gh-117142: Slightliy hacky fix for memory leak of StgInfo encukou May 22, 2024 https://github.com/python/cpython/pull/119424/commits/c3fdc38fa664dbe239858fc477dcd1b0b51ad4ac
6aa0075 Mark _ctypes as safe for multiple interpreters encukou May 22, 2024 https://github.com/python/cpython/pull/119424/commits/6aa0075292e40c6fffb3450d5dc82033e5a3ecbb
d535ff2 Remove get_module_state_by_def_final encukou May 22, 2024 https://github.com/python/cpython/pull/119424/commits/d535ff2eba4f4977c008a6abf538f95fb2f416a4
c73d0be Align PyType_Type.tp_basicsize up encukou May 23, 2024 https://github.com/python/cpython/pull/119424/commits/c73d0be4e81d1e74674ca077bce966702ebcd681
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