securecookie.py 文件源码

def unquote(cls, value):
        """Unquote the value for the cookie.  If unquoting does not work a
        :exc:`UnquoteError` is raised.

        :param value: the value to unquote.
        """
        try:
            if cls.quote_base64:
                value = base64.b64decode(value)
            if cls.serialization_method is not None:
                value = cls.serialization_method.loads(value)
            return value
        except Exception:
            # unfortunately pickle and other serialization modules can
            # cause pretty every error here.  if we get one we catch it
            # and convert it into an UnquoteError
            raise UnquoteError()