| # 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() |