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[3.15] gh-156078: Prevent ZipFile.mkdir() during an active write (GH-156079) - #160477
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…onGH-156079) Fix `ZipFile.mkdir()` so that it raises `ValueError` when another writable member handle returned by `ZipFile.open(..., mode="w")` is still open. (cherry picked from commit dc78afe) Co-authored-by: Pengyu Lee <lipengyu@kylinos.cn> Co-authored-by: Stan Ulbrych <stan@python.org>
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Fix
ZipFile.mkdir()so that it raisesValueErrorwhen another writablemember handle returned by
ZipFile.open(..., mode="w")is still open.(cherry picked from commit dc78afe)
Co-authored-by: Pengyu Lee lipengyu@kylinos.cn
Co-authored-by: Stan Ulbrych stan@python.org
ZipFile.mkdir()corrupts archives during an active write #156078