60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
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# Copyright (c) 2014 Rackspace
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Compatibility module for Python 2 and 3 support."""
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import sys
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try:
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from urllib.parse import quote as urlquote
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except ImportError: # Python 2.x
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from urllib import quote as urlquote
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try:
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from urllib.parse import parse_qsl
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except ImportError: # Python 2.x
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from urlparse import parse_qsl
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try:
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from urllib.parse import urlencode
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except ImportError: # Python 2.x
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from urllib import urlencode
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__all__ = (
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"to_bytes",
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"to_str",
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"urlquote",
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"urlencode",
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"parse_qsl",
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)
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PY3 = (3, 0) <= sys.version_info < (4, 0)
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PY2 = (2, 6) <= sys.version_info < (2, 8)
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if PY3:
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unicode = str # Python 3.x
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def to_str(b, encoding="utf-8"):
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"""Ensure that b is text in the specified encoding."""
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if hasattr(b, "decode") and not isinstance(b, unicode):
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b = b.decode(encoding)
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return b
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def to_bytes(s, encoding="utf-8"):
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"""Ensure that s is converted to bytes from the encoding."""
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if hasattr(s, "encode") and not isinstance(s, bytes):
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s = s.encode(encoding)
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return s
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