"""
Look here for more information:
https://github.com/mitsuhiko/flask/blob/master/flask/_compat.py
"""

import sys

PY2 = sys.version_info[0] == 2

if not PY2:     # pragma: no cover
    text_type = str
    string_types = (str,)
    integer_types = (int, )
    intern_method = sys.intern
    range_method = range
    iterkeys = lambda d: iter(d.keys())
    itervalues = lambda d: iter(d.values())
    iteritems = lambda d: iter(d.items())
    max_integer = sys.maxsize
else:           # pragma: no cover
    text_type = unicode
    string_types = (str, unicode)
    integer_types = (int, long)
    intern_method = intern
    range_method = xrange
    iterkeys = lambda d: d.iterkeys()
    itervalues = lambda d: d.itervalues()
    iteritems = lambda d: d.iteritems()
    max_integer = sys.maxint