1# This file is dual licensed under the terms of the Apache License, Version
2# 2.0, and the BSD License. See the LICENSE file in the root of this repository
3# for complete details.
4from __future__ import absolute_import, division, print_function
5
6import re
7
8
9_canonicalize_regex = re.compile(r"[-_.]+")
10
11
12def canonicalize_name(name):
13    # This is taken from PEP 503.
14    return _canonicalize_regex.sub("-", name).lower()
15