docs: def set_digest(
          self, realm, nonce, qop=("auth",), opaque=None, algorithm=None, stale=False
      ):
          """Clear the auth info and enable digest auth."""
          d = {
              "__auth_type__": "digest",
              "realm": realm,
              "nonce": nonce,
              "qop": dump_header(qop),
          }
          if stale:
              d["stale"] = "TRUE"
          if opaque is not None:
              d["opaque"] = opaque
          if algorithm is not None:
              d["algorithm"] = algorithm
          dict.clear(self)
          dict.update(self, d)
          if self.on_update:
              self.on_update(self)