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# Copyright 2019-present MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Utility functions and definitions for Python compatibility."""
import sys
PY3 = sys.version_info[0] >= 3
if PY3:
from abc import ABC
unicode_type = str
else:
from abc import ABCMeta as _ABCMeta
ABC = _ABCMeta("ABC", (object,), {})
unicode_type = "unicode"
def str_to_bytes(string):
"""Convert a str (or unicode) to bytes."""
if isinstance(string, bytes):
return string
return string.encode("utf-8")
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