compat.py

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# -*- coding: utf-8 -*-
# Copyright (c) 2012 Kenneth Reitz.
 
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
 
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
"""
pythoncompat
"""
 
 
import sys
 
# -------
# Pythons
# -------
 
# Syntax sugar.
_ver = sys.version_info
 
#: Python 2.x?
is_py2 = (_ver[0] == 2)
 
#: Python 3.x?
is_py3 = (_ver[0] == 3)
 
# ---------
# Specifics
# ---------
 
if is_py2:
        from StringIO import StringIO
        from urllib2 import HTTPPasswordMgr, HTTPDigestAuthHandler, Request,\
                                                HTTPHandler, build_opener, HTTPError, URLError,\
                                                build_opener
        from httplib import BadStatusLine, HTTPException
        from urlparse import urlunparse
        from urllib import urlencode
 
        bytes = str
        unicode = unicode
        basestring = basestring
elif is_py3:
        from io import StringIO
        from urllib.request import HTTPPasswordMgr, HTTPDigestAuthHandler, Request,\
                                                                HTTPHandler, build_opener
        from urllib.error import HTTPError, URLError
        from http.client import HTTPException, BadStatusLine
        from urllib.parse import urlunparse, urlencode
 
        unicode = str
        bytes = bytes
        basestring = (str,bytes)