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Python装饰器处理代码异常 跳过异常并输出错误 import functools # 同步代码 def ignore_errors(func): @functools.wraps(func) def wrapper(*args, **kwargs): try: # 调用被装饰的函数 return func(*args, **kwargs) except Exception as e: # 忽略异常并打印错误信息 print(f"{func.__name__} 发生异常: {e}") return wrapper # 异步代码 def ignore_async_errors(func): @functools.wraps(func) async def wrapper(*args, **kwargs): try: # 调用被装饰的异步函数 return await func(*args, **kwargs) except Exception as e: # 忽略异常并打印错误信息 print(f"{func.__name__} 发生异常: {e}") return wrapper
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使用docker部署前后端分离项目 修改系统源 # apt源 sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list # pip源 pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simplenginx配置 worker_processes 1; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; server_tokens off; client_max_body_size 20m; client_body_buffer_size 20m; keepalive_timeout 65; sendfile on; tcp_nodelay on; ssl_prefer_server_ciphers on; ssl_session_cache shared:SSL:2m; gzip on; gzip_static on; gzip_types text/plain application/json application/javascript application/x-javascript text/css application/xml text/javascript; gzip_proxied any; gzip_vary on; gzip_comp_level 6; gzip_buffers 16 8k; gzip_http_version 1.0; server { listen 80; # 服务器名称 server_name localhost; location / { index index.html index.htm; root /usr/share/nginx/html; try_files $uri $uri/ /index.html; } location /admin { index index.html index.htm; alias /var/www/html/admin/; try_files $uri $uri/ /index.html; } location /api { proxy_pass http://localhost:8000/api; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } # 定义 404 页面 error_page 404 /404.html; location = /404.html { root /usr/share/nginx/html; } # 定义 50x 页面 error_page 500 502 503 504 /50x.html; location = /50x.html { root /usr/share/nginx/html; } } }Dockerfile # 构建前端页面的阶段 FROM node:16.14-alpine as frontend-build WORKDIR /app COPY frontend/package*.json ./ RUN npm config set registry https://registry.npmmirror.com && npm install -g pnpm && pnpm install COPY frontend/ ./ RUN pnpm build:production FROM registry.cn-chengdu.aliyuncs.com/moxiaoying/python-nginx:latest WORKDIR /app COPY backend/requirements.txt /app/requirements.txt RUN pip install -r /app/requirements.txt COPY backend/ /app/ COPY --from=frontend-build /app/dist /usr/share/nginx/html # 暴露端口 EXPOSE 80 # 启动 Nginx 和后端服务 CMD ["sh", "-c", "nginx -g 'daemon off;' & uvicorn run:app --host 0.0.0.0 --port 8000"]
