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gh-138130: Fix return value of libc_ver() on Emscripten #138132

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Merged
freakboy3742 merged 2 commits into from
Aug 31, 2025
Merged

gh-138130: Fix return value of libc_ver() on Emscripten #138132

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29fb6c0
gh-138130: Fix return value of libc_ver() on Emscripten
hoodmane Aug 25, 2025
2bd3ac5
Update test
hoodmane Aug 28, 2025
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5 changes: 5 additions & 0 deletions 5 Lib/platform.py
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Original file line number Diff line number Diff line change
Expand Up @@ -173,6 +173,11 @@ def libc_ver(executable=None, lib='', version='', chunksize=16384):

"""
if not executable:
if sys.platform == "emscripten":
# Emscripten's os.confstr reports that it is glibc, so special case
# it.
ver = ".".join(str(x) for x in sys._emscripten_info.emscripten_version)
return ("emscripten", ver)
try:
ver = os.confstr('CS_GNU_LIBC_VERSION')
# parse 'glibc 2.28' as ('glibc', '2.28')
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4 changes: 3 additions & 1 deletion 4 Lib/test/test_platform.py
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Expand Up @@ -532,8 +532,10 @@ def test_ios_ver(self):
self.assertEqual(override.model, "Whiz")
self.assertTrue(override.is_simulator)

@unittest.skipIf(support.is_emscripten, "Does not apply to Emscripten")
def test_libc_ver(self):
if support.is_emscripten:
assert platform.libc_ver() == ("emscripten", "4.0.12")
return
# check that libc_ver(executable) doesn't raise an exception
if os.path.isdir(sys.executable) and \
os.path.exists(sys.executable+'.exe'):
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