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##############################################################################
#
# Copyright (c) 2013 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
""" Python 2 / 3 compatibility
"""
import platform
import os
import sys
import types
py_impl = getattr(platform, 'python_implementation', lambda: None)
PYPY = py_impl() == 'PyPy'
PURE_PYTHON = os.environ.get('PURE_PYTHON', False)
if sys.version_info[0] < 3: #pragma NO COVER
from StringIO import StringIO
import cPickle as _pickle
reload = reload
def _u(s):
return unicode(s, 'unicode_escape')
CLASS_TYPES = (type, types.ClassType)
_BUILTINS = '__builtin__'
PYTHON3 = False
PYTHON2 = True
TEXT = unicode
else: #pragma NO COVER
from io import StringIO
import pickle as _pickle
from imp import reload
def _u(s):
return s
CLASS_TYPES = (type,)
_BUILTINS = 'builtins'
PYTHON3 = True
PYTHON2 = False
TEXT = str
_BLANK = _u('')
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