"""Compatibility with Python 2 (taken from 'django.utils.six')""" import sys PY2 = sys.version_info[0] == 2 PY3 = sys.version_info[0] == 3 if PY3: string_types = (str,) integer_types = (int,) class_types = (type,) text_type = str binary_type = bytes MAXSIZE = sys.maxsize else: string_types = (basestring,) integer_types = (int, long) def with_metaclass(meta, *bases): class metaclass(type): def __new__(cls, name, this_bases, d): return meta(name, bases, d) return type.__new__(metaclass, "temporary_class", (), {})