code: def execute_command_by_uuid(self, tab_uuid, command):
          # TODO DBUS_ONLY
          
          if command[-1] != '\n':
              command += '\n'
          try:
              tab_uuid = uuid.UUID(tab_uuid)
              page_index, = (
                  index for index, t in enumerate(self.get_notebook().iter_terminals())
                  if t.get_uuid() == tab_uuid
              )
          except ValueError:
              pass
          else:
              terminals = self.get_notebook().get_terminals_for_page(page_index)
              for current_vte in terminals:
                  current_vte.feed_child(command)
docs: Execute the `command' in the tab whose terminal has the `tab_uuid' uuid