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compat.py
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compat.py
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from __future__ import absolute_import, print_function, division
import sys
##########################
# Python 3 compatibility #
##########################
PY2 = sys.version_info.major == 2
PY3 = sys.version_info.major == 3
if PY2:
from itertools import ifilter, ifilterfalse, imap, izip, izip_longest
from string import maketrans
string_types = basestring,
integer_types = int, long
numeric_types = bool, int, long, float
text_type = unicode
binary_type = str
from urllib2 import urlopen
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
BytesIO = StringIO
try:
import cPickle as pickle
except ImportError:
import pickle
maxint = sys.maxint
long = long
xrange = xrange
reduce = reduce
else:
ifilter = filter
imap = map
izip = zip
xrange = range
from itertools import filterfalse as ifilterfalse
from itertools import zip_longest as izip_longest
from functools import reduce
maketrans = str.maketrans
string_types = str,
integer_types = int,
numeric_types = bool, int, float
class_types = type,
text_type = str
binary_type = bytes
long = int
from urllib.request import urlopen
from io import StringIO, BytesIO
import pickle
maxint = sys.maxsize
try:
advance_iterator = next
except NameError:
def advance_iterator(it):
return it.next()
next = advance_iterator
try:
callable = callable
except NameError:
def callable(obj):
return any("__call__" in klass.__dict__ for klass in type(obj).__mro__)