spack/lib/spack/external/ordereddict_backport.py

23 lines
690 B
Python

# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
"""This file dispatches to the correct implementation of OrderedDict."""
# TODO: this file, along with py26/ordereddict.py, can be removed when
# TODO: support for python 2.6 will be dropped
# Removing this import will make python 2.6
# fail on import of ordereddict
from __future__ import absolute_import
import sys
if sys.version_info[:2] == (2, 6):
import ordereddict
OrderedDict = ordereddict.OrderedDict
else:
import collections
OrderedDict = collections.OrderedDict