# This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. from __future__ import absolute_import, division, print_function import re _canonicalize_regex = re.compile(r"[-_.]+") def canonicalize_name(name): # This is taken from PEP 503. return _canonicalize_regex.sub("-", name).lower()