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gh-84481: Make ZipFile.data_offset more robust #132178

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Merged
merged 2 commits into from
Apr 8, 2025

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@emmatyping emmatyping commented Apr 6, 2025

As pointed out by @picnixz, in append mode with a bad zip file, we append to the end of the file, and should set .data_offset.

I also added a test which should cover this scenario.

@emmatyping emmatyping closed this Apr 7, 2025
@emmatyping emmatyping reopened this Apr 7, 2025
@picnixz picnixz self-assigned this Apr 8, 2025
@hugovk hugovk merged commit 6cd1d6c into python:main Apr 8, 2025
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@emmatyping emmatyping deleted the fix-zipfile-append branch April 8, 2025 17:13
seehwan pushed a commit to seehwan/cpython that referenced this pull request Apr 16, 2025
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3 participants