0608161c82
补齐平台模板与场景 DSL、预算控制、执行看板和企业场景脚本，增强 Windows 启动/迁移与前端代理和聊天会话记忆，修复执行创建阶段 500 与异步链路排障体验。 Made-with: Cursor
95 lines
2.9 KiB
Python
95 lines
2.9 KiB
Python
"""
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全局错误处理器
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"""
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import logging
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import traceback
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from fastapi import Request, status
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from fastapi.responses import JSONResponse
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from fastapi.exceptions import RequestValidationError
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from sqlalchemy.exc import SQLAlchemyError
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from app.core.exceptions import BaseAPIException
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from app.core.config import settings
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logger = logging.getLogger(__name__)
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async def validation_exception_handler(request: Request, exc: RequestValidationError):
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"""处理验证错误"""
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errors = []
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for error in exc.errors():
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field = ".".join(str(loc) for loc in error.get("loc", []))
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errors.append({
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"field": field,
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"message": error.get("msg"),
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"type": error.get("type")
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})
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logger.warning(f"验证错误: {errors}")
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return JSONResponse(
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status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
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content={
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"error": "VALIDATION_ERROR",
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"message": "请求参数验证失败",
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"details": errors
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}
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)
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async def api_exception_handler(request: Request, exc: BaseAPIException):
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"""处理自定义API异常"""
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logger.error(f"API异常: {exc.detail} (错误码: {exc.error_code})")
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return JSONResponse(
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status_code=exc.status_code,
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content={
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"error": exc.error_code or "API_ERROR",
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"message": exc.detail
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}
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)
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async def sqlalchemy_exception_handler(request: Request, exc: SQLAlchemyError):
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"""处理数据库错误"""
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orig = getattr(exc, "orig", None)
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detail = str(orig) if orig is not None else str(exc)
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logger.error(f"数据库错误: {detail}", exc_info=True)
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user_msg = "数据库操作失败，请稍后重试"
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# MySQL 1054 / 常见 DDL 滞后：模型已增列但库未 alembic upgrade
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if "Unknown column" in detail or "(1054," in detail or "1054" in detail:
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user_msg = (
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"数据库表结构与当前代码不一致（常见为缺少 executions 新列等）。"
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"请在 backend 目录执行：alembic upgrade head，然后重启 API 与 Celery。"
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)
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payload: dict = {
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"error": "DATABASE_ERROR",
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"message": user_msg,
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}
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if settings.DEBUG:
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payload["detail"] = detail[:4000]
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return JSONResponse(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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content=payload,
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)
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async def general_exception_handler(request: Request, exc: Exception):
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"""处理通用异常"""
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logger.error(f"未处理的异常: {str(exc)}", exc_info=True)
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logger.error(f"异常堆栈: {traceback.format_exc()}")
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payload: dict = {
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"error": "INTERNAL_ERROR",
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"message": "服务器内部错误，请稍后重试",
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}
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if settings.DEBUG:
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payload["detail"] = str(exc)[:4000]
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return JSONResponse(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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content=payload,
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)
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