Python urlparse 模块，uses_fragment() 实例源码

def test_parse_index_egg_svnurl(self, monkeypatch):
        # strange case reported by fschulze/witsch where
        # urlparsing will yield a fragment for svn urls.
        # it's not exactly clear how urlparse.uses_fragment
        # sometimes contains "svn" but it's good to check
        # that we are not sensitive to the issue.
        try:
            import urllib.parse as urlparse
        except ImportError:
            # PY2
            import urlparse
        monkeypatch.setattr(urlparse, "uses_fragment",
                            urlparse.uses_fragment + ["svn"])
        simplepy = URL("https://pypi.python.org/simple/zope.sqlalchemy/")
        result = parse_index(simplepy,
            '<a href="svn://svn.zope.org/repos/main/'
            'zope.sqlalchemy/trunk#egg=zope.sqlalchemy-dev" />'
        )
        assert len(result.releaselinks) == 0
        assert len(result.egglinks) == 0
        #assert 0, (result.releaselinks, result.egglinks)