def get_package_url(cls, package, session=None, silent=False):
        response = get("{}/packages/{}".format(cls.bower_base_uri, package))
        return response.json().get("url", None)
def _compileddirpats(self):
        pat, matchfunc = _buildregexmatch(
            [("glob", p, "") for p in self._globdirpats], "$"
        )
        return matchfunc