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# 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()