import sys try: import grp import pwd except ImportError: grp = pwd = None import pytest UNIX_ID_SUPPORT = grp and pwd UID_0_SUPPORT = UNIX_ID_SUPPORT and sys.platform != "cygwin" require_unix_id = pytest.mark.skipif( not UNIX_ID_SUPPORT, reason="Requires grp and pwd support" ) require_uid_0 = pytest.mark.skipif(not UID_0_SUPPORT, reason="Requires UID 0 support")