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gh-88233: zipfile: refactor _strip_extra #102083

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gh-88233: zipfile: refactor _strip_extra #102083

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dae825b
zipfile: handle extras after a zip64 extra
thatch Aug 21, 2022
03494d9
Add NEWS entry for bugfix
thatch Sep 5, 2022
7e3627c
Fix typo
jaraco Feb 20, 2023
31b71a9
Tweak style to conform to best conventions. Remove unused variable.
jaraco Feb 20, 2023
6f42280
Reflow comment to 72 characters per PEP 8.
jaraco Feb 20, 2023
14d9e42
Replace literal and ambiguous comment with a self-documenting constant.
jaraco Feb 20, 2023
3c6360e
gh-85417: Clarify behaviour on branch cuts in cmath module (#102046)
mdickinson Feb 19, 2023
3055af6
Misc improvements to the float tutorial (GH-102052)
rhettinger Feb 19, 2023
a0004e1
gh-101578: Amend PyErr_{Set,Get}RaisedException docs (#101962)
erlend-aasland Feb 19, 2023
c6f8395
gh-97786: Fix compiler warnings in pytime.c (#101826)
mdickinson Feb 20, 2023
462aaa3
gh-101981: Build macOS as recommended by the devguide (GH-102070)
erlend-aasland Feb 20, 2023
13882e0
gh-101819: Adapt _io types to heap types, batch 1 (GH-101949)
erlend-aasland Feb 20, 2023
ca5d36e
gh-101907: Stop using `_Py_OPCODE` and `_Py_OPARG` macros (GH-101912)
zooba Feb 20, 2023
b57a039
gh-101981: Apply HOMEBREW related environment variables (gh-102074)
corona10 Feb 20, 2023
8d9363b
Refactor zipfile._strip_extra to use higher level abstractions for ex…
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 31b71a9c36540b5e79a7d1e206db8f29fc31f0a6
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()