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# -*- coding: utf-8 -*-
# Copyright (c) 2014 Rackspace
# 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.
"""Compatibility module for Python 2 and 3 support."""
import sys
try:
from urllib.parse import quote as urlquote
except ImportError: # Python 2.x
from urllib import quote as urlquote
try:
from urllib.parse import urlencode
except ImportError: # Python 2.x
from urllib import urlencode
__all__ = (
'to_bytes',
'to_str',
'urlquote',
'urlencode',
)
PY3 = (3, 0) <= sys.version_info < (4, 0)
PY2 = (2, 6) <= sys.version_info < (2, 8)
if PY3:
unicode = str # Python 3.x
def to_str(b, encoding='utf-8'):
"""Ensure that b is text in the specified encoding."""
if hasattr(b, 'decode') and not isinstance(b, unicode):
b = b.decode(encoding)
return b
def to_bytes(s, encoding='utf-8'):
"""Ensure that s is converted to bytes from the encoding."""
if hasattr(s, 'encode') and not isinstance(s, bytes):
s = s.encode(encoding)
return s
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