compat.py
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"""Python 2 and 3 compatibility layer
"""
import sys
try :
xrange
except NameError :
xrange = range
try :
reduce
except NameError :
from functools import reduce
try :
import StringIO as io
except ImportError :
import io
try :
next
except NameError :
def next (obj) :
return obj.next()
try :
unicode
except NameError :
unicode = str
try :
reduce
except NameError :
from functools import reduce
try :
unicode
except NameError :
unicode = str
PY3 = sys.version > "3"