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Title: Align marshal and .pyc with CPython 3.14 by youknowone · Pull Request #7958 · RustPython/RustPython · GitHub

Open Graph Title: Align marshal and .pyc with CPython 3.14 by youknowone · Pull Request #7958 · RustPython/RustPython

X Title: Align marshal and .pyc with CPython 3.14 by youknowone · Pull Request #7958 · RustPython/RustPython

Description: Summary by CodeRabbit Bug Fixes Fixed bytecode deserialization to correctly share and resolve references across nested bytecode objects. Chores Updated bytecode version constants to version 4. Modified system implementation cache tag format to use standardized naming. Tests Added comprehensive test coverage for CPython 3.14 bytecode marshaling, including reference resolution scenarios.

Open Graph Description: Summary by CodeRabbit Bug Fixes Fixed bytecode deserialization to correctly share and resolve references across nested bytecode objects. Chores Updated bytecode version constants to version ...

X Description: Summary by CodeRabbit Bug Fixes Fixed bytecode deserialization to correctly share and resolve references across nested bytecode objects. Chores Updated bytecode version constants to version ...

Opengraph URL: https://github.com/RustPython/RustPython/pull/7958

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Align marshal and .pyc with CPython 3.14 https://github.com/RustPython/RustPython/pull/7958/files#top
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fc5236e Share marshal ref table between code object and its internals youknowone May 23, 2026 https://github.com/RustPython/RustPython/pull/7958/commits/fc5236e9403b47c4aeeabb3a1f594304785587b7
c1653f3 Align PYC magic number, FORMAT_VERSION, and header check with CPython… youknowone May 23, 2026 https://github.com/RustPython/RustPython/pull/7958/commits/c1653f3ffa5e08611df97a8a9a78975630ea6188
8c15317 Add CPython 3.14 .pyc decoding regression tests youknowone May 23, 2026 https://github.com/RustPython/RustPython/pull/7958/commits/8c153177087338cf3fa024d1b16247e162b9534f
1fc426d Accept CPython-tagged .pyc as read-only bytecode source youknowone May 23, 2026 https://github.com/RustPython/RustPython/pull/7958/commits/1fc426d0f4f337ad4fbdc8f4bbc2cd82e29063ab
8f1e64e Apply rustfmt to marshal helpers youknowone May 23, 2026 https://github.com/RustPython/RustPython/pull/7958/commits/8f1e64e1940f655bc7d41867e0bb8103e0ae51d4
3e25f41 Marshal PySlice from format version 4 instead of 5 youknowone May 23, 2026 https://github.com/RustPython/RustPython/pull/7958/commits/3e25f4186929e2685e22a2306005967e611d5aa9
24b16e1 Revert "Accept CPython-tagged .pyc as read-only bytecode source" youknowone May 23, 2026 https://github.com/RustPython/RustPython/pull/7958/commits/24b16e15e81c44cc9a5c05114970ccaa9c536709
ce0c9eb Format sys.implementation.cache_tag as cpython-{MAJOR}{MINOR} youknowone May 24, 2026 https://github.com/RustPython/RustPython/pull/7958/commits/ce0c9ebaf3fa75a37c364ce3178968e1826656a6
8c3b61f Set marshal FORMAT_VERSION to 5 to match CPython 3.14.5 youknowone May 24, 2026 https://github.com/RustPython/RustPython/pull/7958/commits/8c3b61fa4ef0c372e8f1727e44d32475205d6a5c
cd63341 Thread marshal recursion depth through nested code objects youknowone May 24, 2026 https://github.com/RustPython/RustPython/pull/7958/commits/cd633410c1abc58093c48af344bcf3a955cca95e
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