通用HTTP客户端管理器
| 14 | |
| 15 | |
| 16 | class HttpxClientManager: |
| 17 | """通用HTTP客户端管理器""" |
| 18 | |
| 19 | async def get_client_kwargs(self, timeout: float = 30.0, **kwargs) -> Dict[str, Any]: |
| 20 | """获取httpx客户端的通用配置参数""" |
| 21 | client_kwargs = {"timeout": timeout, **kwargs} |
| 22 | |
| 23 | # 动态读取代理配置,支持热更新 |
| 24 | current_proxy_config = await get_proxy_config() |
| 25 | if current_proxy_config: |
| 26 | client_kwargs["proxy"] = current_proxy_config |
| 27 | |
| 28 | return client_kwargs |
| 29 | |
| 30 | @asynccontextmanager |
| 31 | async def get_client( |
| 32 | self, timeout: float = 30.0, **kwargs |
| 33 | ) -> AsyncGenerator[httpx.AsyncClient, None]: |
| 34 | """获取配置好的异步HTTP客户端""" |
| 35 | client_kwargs = await self.get_client_kwargs(timeout=timeout, **kwargs) |
| 36 | |
| 37 | async with httpx.AsyncClient(**client_kwargs) as client: |
| 38 | yield client |
| 39 | |
| 40 | @asynccontextmanager |
| 41 | async def get_streaming_client( |
| 42 | self, timeout: float = None, **kwargs |
| 43 | ) -> AsyncGenerator[httpx.AsyncClient, None]: |
| 44 | """获取用于流式请求的HTTP客户端(无超时限制)""" |
| 45 | client_kwargs = await self.get_client_kwargs(timeout=timeout, **kwargs) |
| 46 | |
| 47 | # 创建独立的客户端实例用于流式处理 |
| 48 | client = httpx.AsyncClient(**client_kwargs) |
| 49 | try: |
| 50 | yield client |
| 51 | finally: |
| 52 | # 确保无论发生什么都关闭客户端 |
| 53 | try: |
| 54 | await client.aclose() |
| 55 | except Exception as e: |
| 56 | log.warning(f"Error closing streaming client: {e}") |
| 57 | |
| 58 | |
| 59 | # 全局HTTP客户端管理器实例 |