File: _compat.py

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flask-sqlalchemy 1.0-2
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# -*- coding: utf-8 -*-
"""
    flaskext.sqlalchemy._compat
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Internal Python 2.x/3.x compatibility layer.

    :copyright: (c) 2013 by Daniel Neuhäuser
    :license: BSD, see LICENSE for more details.
"""
import sys


PY2 = sys.version_info[0] == 2


if PY2:
    def iteritems(d):
        return d.iteritems()

    def itervalues(d):
        return d.itervalues()

    xrange = xrange

    string_types = (unicode, bytes)

else:
    def iteritems(d):
        return iter(d.items())

    def itervalues(d):
        return iter(d.values())

    xrange = range

    string_types = (str, )