test_resources.py 文件源码

def testOptionsAndHashing(self):
        r1 = Requirement.parse("Twisted[foo,bar]>=1.2")
        r2 = Requirement.parse("Twisted[bar,FOO]>=1.2")
        assert r1 == r2
        assert r1.extras == ("foo","bar")
        assert r2.extras == ("bar","foo")  # extras are normalized
        assert hash(r1) == hash(r2)
        assert (
            hash(r1)
            ==
            hash((
                "twisted",
                packaging.specifiers.SpecifierSet(">=1.2"),
                frozenset(["foo","bar"]),
            ))
        )