modify: chongming-request
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@@ -235,59 +235,54 @@ class RPCMethod:
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return raw_result.model_dump()
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return raw_result
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async def call(self, payload: Dict[str, Any]) -> Any:
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async def call(self, payload: Dict[str, Any], **extra_kwargs) -> Any:
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"""
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调用原始函数,自动从 payload 提取参数
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流程:
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1. 校验请求参数(使用绑定的 request_model 或自动生成)
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2. 提取函数需要的参数
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3. 调用函数
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4. 序列化响应(使用绑定的 response_model 或自动生成)
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调用原始函数,支持从 payload 和 extra_kwargs 提取参数。
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支持两种函数签名:
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- 展开参数: def add(a: float, b: float) -> ... # 传统方式
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- Pydantic 模型: def add(req: AddGetRequest) -> ... # 工程化方式
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- 展开参数: def add(a: float, b: float) -> ...
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- Pydantic 模型: def add(req: AddGetRequest) -> ...
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Args:
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payload: 请求参数字典
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**extra_kwargs: 额外关键字参数(如 session, worker_id)
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Returns:
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序列化后的响应数据
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"""
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# 1. 校验请求参数
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validated_payload = self.validate_request(payload)
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# 2. 提取函数需要的参数
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sig = inspect.signature(self.func)
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param_names = set(sig.parameters.keys()) - {'self'}
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kwargs = {}
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# 处理模型参数
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if self.model_param is not None:
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# 2a. 函数参数是 Pydantic 模型 — 将整个校验后的 payload 转为模型实例传入
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req_model = self.get_request_model()
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if req_model is not None:
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kwargs[self.model_param] = req_model(**validated_payload)
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else:
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# 如果没有 request_model,从函数签名获取模型类型
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sig = inspect.signature(self.func)
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hints = get_type_hints(self.func)
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model_type = hints.get(self.model_param)
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model_type = sig.parameters[self.model_param].annotation
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if isinstance(model_type, type) and issubclass(model_type, BaseModel):
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kwargs[self.model_param] = model_type(**validated_payload)
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else:
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kwargs[self.model_param] = validated_payload
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else:
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# 2b. 传统方式:逐字段提取参数
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for param_name in self.params:
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if param_name in validated_payload:
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kwargs[param_name] = validated_payload[param_name]
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param_names.discard(self.model_param)
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# 3. 调用函数
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# 普通参数:优先 validated_payload,其次 extra_kwargs
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for name in param_names:
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if name in validated_payload:
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kwargs[name] = validated_payload[name]
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elif name in extra_kwargs:
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kwargs[name] = extra_kwargs[name]
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# 否则函数使用默认值(如果有)
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# 调用函数
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if inspect.iscoroutinefunction(self.func):
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result = await self.func(**kwargs)
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else:
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result = self.func(**kwargs)
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# 4. 序列化响应
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return self.serialize_response(result)
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@@ -64,15 +64,13 @@ async def create_worker(
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def make_callback(subject: str, methods: List[RPCMethod]):
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"""创建处理特定 subject 的回调函数"""
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def callback(query: zenoh.Query):
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loop = asyncio.get_running_loop()
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async def _handle_query(query: zenoh.Query):
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try:
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# 解析请求负载
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# payload_str = str(query.payload) if query.payload else "{}"
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payload_bytes = bytes(query.payload) if query.payload else b""
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if not payload_bytes:
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data = {}
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else:
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data = orjson.loads(payload_bytes)
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data = orjson.loads(payload_bytes) if payload_bytes else {}
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http_method = data.get("_method", "GET").upper()
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# 匹配方法(按 HTTP 方法)
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@@ -87,7 +85,11 @@ async def create_worker(
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return
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# 调用 RPC 方法(支持同步和异步)
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result = asyncio.run(matched.call(data))
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result = await matched.call(
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data,
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session=session,
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worker_id=worker_id
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)
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# 回复
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query.reply(
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@@ -107,6 +109,11 @@ async def create_worker(
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payload=json.dumps(error_response).encode("utf-8")
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)
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print(f"[Worker] {worker_id} 异常 {subject}: {e}")
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def callback(query: zenoh.Query):
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# 当前 create_worker 运行在事件循环中,可直接 create_task
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asyncio.run_coroutine_threadsafe(_handle_query(query), loop)
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return callback
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# 声明所有 Queryable
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@@ -119,6 +126,7 @@ async def create_worker(
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print(f"[Worker] {worker_id} Queryable: '{key}' [{', '.join(m.method for m in methods)}]")
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# 6. 保持 worker 存活直到被取消
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stop_event = asyncio.Event()
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try:
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await stop_event.wait()
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except asyncio.CancelledError:
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