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6488378764
Fixes import problems trying to import just ipalib/compat.py. https://fedorahosted.org/freeipa/ticket/754
82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
# Authors:
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# Jason Gerard DeRose <jderose@redhat.com>
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#
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# Copyright (C) 2009 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Abstracts some compatibility issues for Python 2.4 - Python 2.6.
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Python 2.6
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==========
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The ``json`` module was added in Python 2.6, which previously was in an external
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package and called ``simplejson``. The `compat` module abstracts the difference
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so you can use the ``json`` module generically like this:
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>>> from compat import json
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>>> json.dumps({'hello': 'world'})
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'{"hello": "world"}'
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In Python 2.6 the ``parse_qs()`` function was moved from the ``cgi`` module to
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the ``urlparse`` module. Although ``cgi.parse_qs()`` is still available and
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only raises a ``PendingDeprecationWarning``, we still provide some
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future-proofing here so you can import ``parse_qs()`` generically like this:
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>>> from compat import parse_qs
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>>> parse_qs('hello=world&how=are+you%3F')
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{'how': ['are you?'], 'hello': ['world']}
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For more information, see *What's New in Python 2.6*:
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http://docs.python.org/whatsnew/2.6.html
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Python 2.5
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==========
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The ``hashlib`` module was added in Python2.5, after which use of the ``sha``
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and ``md5`` modules is deprecated. You can generically import a ``sha1`` class
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from the `compat` module like this:
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>>> from compat import sha1
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>>> sha1('hello world').hexdigest()
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'2aae6c35c94fcfb415dbe95f408b9ce91ee846ed'
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And generically import an ``md5`` class like this:
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>>> from compat import md5
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>>> md5('hello world').hexdigest()
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'5eb63bbbe01eeed093cb22bb8f5acdc3'
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For more information, see *What's New in Python 2.5*:
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http://python.org/doc/2.5/whatsnew/whatsnew25.html
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"""
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import sys
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if sys.version_info[:2] >= (2, 6):
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import json
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from urlparse import parse_qs
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else:
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import simplejson as json
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from cgi import parse_qs
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try:
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from hashlib import sha1, md5 #pylint: disable=E0611
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except ImportError:
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from sha import new as sha1
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from md5 import new as md5
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