Files
LangBot/pkg/provider/runners/localagent.py
2025-05-10 18:02:05 +08:00

85 lines
2.5 KiB
Python

from __future__ import annotations
import json
import typing
from .. import runner
from ...core import entities as core_entities
from .. import entities as llm_entities
@runner.runner_class('local-agent')
class LocalAgentRunner(runner.RequestRunner):
"""本地Agent请求运行器"""
async def run(
self, query: core_entities.Query
) -> typing.AsyncGenerator[llm_entities.Message, None]:
"""运行请求"""
pending_tool_calls = []
req_messages = (
query.prompt.messages.copy() + query.messages.copy() + [query.user_message]
)
# 首次请求
msg = await query.use_llm_model.requester.invoke_llm(
query,
query.use_llm_model,
req_messages,
query.use_funcs,
extra_args=query.use_llm_model.model_entity.extra_args,
)
yield msg
pending_tool_calls = msg.tool_calls
req_messages.append(msg)
# 持续请求,只要还有待处理的工具调用就继续处理调用
while pending_tool_calls:
for tool_call in pending_tool_calls:
try:
func = tool_call.function
parameters = json.loads(func.arguments)
func_ret = await self.ap.tool_mgr.execute_func_call(
query, func.name, parameters
)
msg = llm_entities.Message(
role='tool',
content=json.dumps(func_ret, ensure_ascii=False),
tool_call_id=tool_call.id,
)
yield msg
req_messages.append(msg)
except Exception as e:
# 工具调用出错,添加一个报错信息到 req_messages
err_msg = llm_entities.Message(
role='tool', content=f'err: {e}', tool_call_id=tool_call.id
)
yield err_msg
req_messages.append(err_msg)
# 处理完所有调用,再次请求
msg = await query.use_llm_model.requester.invoke_llm(
query,
query.use_llm_model,
req_messages,
query.use_funcs,
extra_args=query.use_llm_model.model_entity.extra_args,
)
yield msg
pending_tool_calls = msg.tool_calls
req_messages.append(msg)