[issue40014] os.getgrouplist() can fail on macOS if the user has more than 17 groups

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

test.pythoninfo of the macOS job on the PR:

os.getgrouplist: 20, 0, 12, 61, 79, 80, 81, 98, 264, 399, 701, 33, 100, 204, 250, 395, 398, 400
os.getgroups: 20, 0, 12, 61, 79, 80, 81, 98, 264, 399, 701, 33, 100, 204, 250, 395, 398, 400

So yeah, there are 18 groups ;-)

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40014>
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