| # -*- 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 |
