File: utils.py

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python-sqlalchemy-utils 0.30.12-2~bpo8%2B1
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import sys
from collections import Iterable

import six


def str_coercible(cls):
    if sys.version_info[0] >= 3:  # Python 3
        def __str__(self):
            return self.__unicode__()
    else:  # Python 2
        def __str__(self):
            return self.__unicode__().encode('utf8')

    cls.__str__ = __str__
    return cls


def is_sequence(value):
    return (
        isinstance(value, Iterable) and not isinstance(value, six.string_types)
    )