__init__.py 文件源码

def safe_crypt(secret, hash):
            if isinstance(secret, unicode):
                secret = secret.encode("utf-8")
            if _NULL in secret:
                raise ValueError("null character in secret")
            if isinstance(hash, unicode):
                hash = hash.encode("ascii")
            result = _crypt(secret, hash)
            if not result:
                return None
            result = result.decode("ascii")
            if result[0] in _invalid_prefixes:
                return None
            return result