docs: def _get_auth_from_console(self, realm):
          """Prompt for the user and password."""
          self.user, self.password = self.AUTH_MEMOIZE_INPUT.get(realm, (self.user, None))
          if not self.auth_valid():
              if not self.user:
                  login = getpass.getuser()
                  self.user = self._raw_input('Username for "{}" [{}]: '.format(realm, login)) or login
              self.password = getpass.getpass('Password for "{}": '.format(realm))
              Credentials.AUTH_MEMOIZE_INPUT[realm] = self.user, self.password
  
          return 'console'