|
|
| from functools import wraps |
| from typing import Callable, TypeVar |
|
|
| from app.config.config import settings |
| from app.log.logger import get_retry_logger |
| from app.utils.helpers import redact_key_for_logging |
|
|
| T = TypeVar("T") |
| logger = get_retry_logger() |
|
|
|
|
| class RetryHandler: |
| """重试处理装饰器""" |
|
|
| def __init__(self, key_arg: str = "api_key"): |
| self.key_arg = key_arg |
|
|
| def __call__(self, func: Callable[..., T]) -> Callable[..., T]: |
| @wraps(func) |
| async def wrapper(*args, **kwargs) -> T: |
| last_exception = None |
|
|
| for attempt in range(settings.MAX_RETRIES): |
| retries = attempt + 1 |
| try: |
| return await func(*args, **kwargs) |
| except Exception as e: |
| last_exception = e |
| logger.warning( |
| f"API call failed with error: {str(e)}. Attempt {retries} of {settings.MAX_RETRIES}" |
| ) |
|
|
| |
| key_manager = kwargs.get("key_manager") |
| if key_manager: |
| old_key = kwargs.get(self.key_arg) |
| new_key = await key_manager.handle_api_failure(old_key, retries) |
| if new_key: |
| kwargs[self.key_arg] = new_key |
| logger.info(f"Switched to new API key: {redact_key_for_logging(new_key)}") |
| else: |
| logger.error(f"No valid API key available after {retries} retries.") |
| break |
|
|
| logger.error( |
| f"All retry attempts failed, raising final exception: {str(last_exception)}" |
| ) |
| raise last_exception |
|
|
| return wrapper |
|
|
