ndb.py 文件源码

def get_IntegerField(kwargs):
    """
    Returns an ``IntegerField``, applying the ``ndb.IntegerProperty`` range
    limits.
    """
    v = validators.NumberRange(min=-0x8000000000000000, max=0x7fffffffffffffff)
    kwargs['validators'].append(v)
    return f.IntegerField(**kwargs)