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Fix bz2 pickle #5819

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Merged
merged 1 commit into from
Jun 22, 2025
Merged

Fix bz2 pickle #5819

merged 1 commit into from
Jun 22, 2025

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@youknowone youknowone commented Jun 22, 2025 •
edited by coderabbitai bot
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Summary by CodeRabbit

  • Bug Fixes
    • Improved handling of pickling for BZ2Compressor and BZ2Decompressor objects, ensuring that attempts to pickle these objects now raise a clear error message.
  • Tests
    • Updated tests for BZ2Compressor and BZ2Decompressor to reflect the new pickling behavior and require these tests to pass.

@youknowone youknowone changed the title Fix bz pickle Fix bz2 pickle Jun 22, 2025
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coderabbitai bot commented Jun 22, 2025 •
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Walkthrough

The changes implement a __reduce__ method for both BZ2Compressor and BZ2Decompressor classes to explicitly prevent their instances from being pickled, raising a TypeError if attempted. Corresponding tests are updated by removing the @unittest.expectedFailure decorator, treating these tests as regular, expected-to-pass tests.

Changes

File(s) Change Summary
stdlib/src/bz2.rs Added __reduce__ methods to BZ2Compressor and BZ2Decompressor to raise TypeError on pickle attempts.
Lib/test/test_bz2.py Removed @unittest.expectedFailure from testPickle methods in compressor and decompressor test classes.

Poem

In the land of code where pickles roam,
Compressors and decompressors now call home,
"No pickling me!" they firmly declare,
With a TypeError raised, they're well aware.
Tests once expected to fail, now stand tall—
Rusty bunnies cheer, "We fixed it all!" 🐇✨

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📒 Files selected for processing (2)
  • Lib/test/test_bz2.py (0 hunks)
  • stdlib/src/bz2.rs (2 hunks)
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  • Lib/test/test_bz2.py
✅ Files skipped from review due to trivial changes (1)
  • stdlib/src/bz2.rs
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@youknowone youknowone merged commit b1ecdf3 into RustPython:main Jun 22, 2025
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@youknowone youknowone deleted the fix-bz2-pickle branch June 22, 2025 23:56
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