97 lines
3.0 KiB
Python
97 lines
3.0 KiB
Python
import logging
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from a2a.server.agent_execution import AgentExecutor, RequestContext
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from a2a.server.events import EventQueue
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from a2a.server.tasks import TaskUpdater
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from a2a.types import (
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InternalError,
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InvalidParamsError,
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Part,
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TaskState,
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TextPart,
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UnsupportedOperationError,
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)
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from a2a.utils import (
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new_agent_text_message,
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new_task,
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)
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from a2a.utils.errors import ServerError
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from agent import AirConditionerAgent
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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class AirConditionerAgentExecutor(AgentExecutor):
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"""Air Conditioner AgentExecutor."""
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def __init__(self):
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self.agent = AirConditionerAgent()
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async def execute(
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self,
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context: RequestContext,
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event_queue: EventQueue,
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) -> None:
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error = self._validate_request(context)
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if error:
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raise ServerError(error=InvalidParamsError())
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query = context.get_user_input()
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task = context.current_task
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if not task:
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task = new_task(context.message) # type: ignore
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await event_queue.enqueue_event(task)
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updater = TaskUpdater(event_queue, task.id, task.context_id)
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try:
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# 使用非流式invoke方法
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result = await self.agent.invoke(query, task.context_id)
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is_task_complete = result.get('is_task_complete', True)
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require_user_input = result.get('require_user_input', False)
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content = result.get('content', '处理完成')
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if require_user_input:
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await updater.update_status(
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TaskState.input_required,
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new_agent_text_message(
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content,
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task.context_id,
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task.id,
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),
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final=True,
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)
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elif is_task_complete:
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await updater.add_artifact(
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[Part(root=TextPart(text=content))],
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name='ac_status_result',
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)
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await updater.complete()
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else:
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# 如果既不需要输入也未完成，设置为working状态
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await updater.update_status(
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TaskState.working,
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new_agent_text_message(
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content,
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task.context_id,
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task.id,
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),
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)
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except Exception as e:
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logger.error(f'An error occurred while processing the request: {e}')
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raise ServerError(error=InternalError()) from e
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def _validate_request(self, context: RequestContext) -> bool:
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# 这里可以添加请求验证逻辑
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# 返回 True 表示有错误，False 表示验证通过
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return False
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async def cancel(
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self, context: RequestContext, event_queue: EventQueue
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) -> None:
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raise ServerError(error=UnsupportedOperationError())
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