code: def _auth_base(self, password_text):
          
          dk = hashlib.pbkdf2_hmac(
              config.PASSWORD_HASH_FUNC_NAME,
              password_text.encode('utf-8'),
              get_bytes_from_blob(self.salt),
              config.PASSWORD_HASH_ITERATIONS
          )
  
          if self.password == dk:
              return self
docs: 已获取了用户对象，进行密码校验
          :param password_text:
          :return: