osa-filters.py 文件源码

def string_2_int(string):
    """Return the an integer from a string.

    The string is hashed, converted to a base36 int, and the modulo of 10240
    is returned.

    :param string: string to retrieve an int from
    :type string: ``str``
    :returns: ``int``
    """
    # Try to encode utf-8 else pass
    try:
        string = string.encode('utf-8')
    except AttributeError:
        pass
    hashed_name = hashlib.sha256(string).hexdigest()
    return int(hashed_name, 36) % 10240