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gh-119070: Fix py.exe handling of /usr/bin/env commands missing extension (GH-119426)

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Steve Dower 2024-05-29 20:12:55 +01:00 • committed by GitHub
parent a62681c405
commit bc01c5d225
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3 changed files with 14 additions and 1 deletions
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8
Lib/test/test_launcher.py
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@ -717,3 +717,11 @@ def test_literal_shebang_invalid_template(self):
f"{expect} arg1 {script}",
data["stdout"].strip(),
)
def test_shebang_executable_extension(self):
with self.script('#! /usr/bin/env python3.12') as script:
data = self.run_py([script])
expect = "# Search PATH for python3.12.exe"
actual = [line.strip() for line in data["stderr"].splitlines()
if line.startswith("# Search PATH")]
self.assertEqual([expect], actual)

3
Misc/NEWS.d/next/Windows/2024-05-22-19-43-29.gh-issue-119070._enton.rst Normal file
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@ -0,0 +1,3 @@
Fixes ``py.exe`` handling of shebangs like ``/usr/bin/env python3.12``,
which were previously interpreted as ``python3.exe`` instead of
``python3.12.exe``.

4
PC/launcher2.c
View file

@ -846,7 +846,7 @@ searchPath(SearchInfo *search, const wchar_t *shebang, int shebangLength)
}
wchar_t filename[MAXLEN];
if (wcsncpy_s(filename, MAXLEN, command, lastDot)) {
if (wcsncpy_s(filename, MAXLEN, command, commandLength)) {
return RC_BAD_VIRTUAL_PATH;
}
@ -858,6 +858,8 @@ searchPath(SearchInfo *search, const wchar_t *shebang, int shebangLength)
}
}
debug(L"# Search PATH for %s\n", filename);
wchar_t pathVariable[MAXLEN];
int n = GetEnvironmentVariableW(L"PATH", pathVariable, MAXLEN);
if (!n) {