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gh-88233: zipfile: handle extras after a zip64 extra #96161

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Merged
merged 8 commits into from
Feb 20, 2023
Merged

gh-88233: zipfile: handle extras after a zip64 extra #96161

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a263718
zipfile: handle extras after a zip64 extra
thatch Aug 21, 2022
f995644
Add NEWS entry for bugfix
thatch Sep 5, 2022
105321c
Merge branch 'main' into issue88233
arhadthedev Feb 5, 2023
9c58352
Fix typo
jaraco Feb 20, 2023
72f6e4d
Tweak style to conform to best conventions. Remove unused variable.
jaraco Feb 20, 2023
b1dad59
Reflow comment to 72 characters per PEP 8.
jaraco Feb 20, 2023
61ad114
Replace literal and ambiguous comment with a self-documenting constant.
jaraco Feb 20, 2023
a26edf1
Merge branch 'main' into issue88233
jaraco Feb 20, 2023
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Tweak style to conform to best conventions. Remove unused variable.
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@jaraco
jaraco committed Feb 20, 2023
commit 72f6e4d0df4b47a6b2a6f91f58d481331983cfd1
3 changes: 2 additions & 1 deletion Lib/test/test_zipfile/test_core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3009,6 +3009,7 @@ def test_cli_with_metadata_encoding_extract(self):
for name in self.file_names:
self.assertIn(name, listing)


class StripExtraTests(unittest.TestCase):
# Note: all of the "z" characters are technically invalid, but up to 3 bytes
# at the end of the extra will be passed through as they are too short to
Expand Down Expand Up @@ -3045,7 +3046,6 @@ def test_multiples(self):
s = struct.Struct("<HH")
a = s.pack(1, 1) + b"a" # 1=zip64 extra signature
b = s.pack(2, 2) + b"bb"
c = s.pack(3, 3) + b"ccc"

self.assertEqual(b"", zipfile._strip_extra(a+a, (1,)))
self.assertEqual(b"", zipfile._strip_extra(a+a+a, (1,)))
Expand All @@ -3062,5 +3062,6 @@ def test_too_short(self):
self.assertEqual(b"zz", zipfile._strip_extra(b"zz", (1,)))
self.assertEqual(b"zzz", zipfile._strip_extra(b"zzz", (1,)))


if __name__ == "__main__":
unittest.main()