Method run_async

src/google/adk/tools/agent_tool.py:205–308

(
      self,
      *,
      args: dict[str, Any],
      tool_context: ToolContext,
  )

  @override
  async def run_async(
      self,
      *,
      args: dict[str, Any],
      tool_context: ToolContext,
  ) -> Any:
    from ..runners import Runner
    from ..sessions.in_memory_session_service import InMemorySessionService

    if self.skip_summarization:
      tool_context.actions.skip_summarization = True

    input_schema = _get_input_schema(self.agent)
    if input_schema:
      input_value = input_schema.model_validate(args)
      content = types.Content(
          role='user',
          parts=[
              types.Part.from_text(
                  text=input_value.model_dump_json(exclude_none=True)
              )
          ],
      )
    else:
      if 'request' in args:
        request_text = args['request']
      else:
        request_text = json.dumps(args, ensure_ascii=False, sort_keys=True)
      content = types.Content(
          role='user',
          parts=[types.Part.from_text(text=request_text)],
      )
    invocation_context = tool_context._invocation_context
    parent_app_name = (
        invocation_context.app_name if invocation_context else None
    )
    child_app_name = parent_app_name or self.agent.name
    plugins = (
        tool_context._invocation_context.plugin_manager.plugins
        if self.include_plugins
        else None
    )
    runner = Runner(
        app_name=child_app_name,
        agent=self.agent,
        artifact_service=ForwardingArtifactService(tool_context),
        session_service=InMemorySessionService(),
        memory_service=InMemoryMemoryService(),
        credential_service=tool_context._invocation_context.credential_service,
        plugins=plugins,
    )
    # When plugins are inherited from the parent runner, the parent still owns
    # them; tell the sub-Runner's plugin manager to skip closing them on exit
    # so shared plugins (e.g. observability exporters) are not torn down while
    # the parent is still using them.
    if self.include_plugins:
      runner.plugin_manager.set_skip_closing_plugins(True)