Flask应用运行正常！
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''' @bp.route('/health') def health(): return jsonify({'status': 'healthy', 'message': 'Flask应用运行正常'}) @bp.route('/test') def test(): return jsonify({'message': '测试路由正常工作'}) ''') # 创建wsgi.py wsgi_content = '''from app import create_app app = create_app() # 确保应用实例被正确导出 application = app if __name__ == "__main__": app.run() ''' with open('wsgi.py', 'w', encoding='utf-8') as f: f.write(wsgi_content) print("✓ wsgi.py文件创建成功") return True def test_gunicorn_directly(): """直接测试Gunicorn""" print("直接测试Gunicorn启动...") # 使用调试模式启动Gunicorn cmd = "gunicorn --bind 127.0.0.1:5001 --workers 1 --timeout 30 --log-level debug --error-logfile - wsgi:app" print(f"执行命令: {cmd}") code, stdout, stderr = run_command(cmd) print("Gunicorn测试结果:") print(f"退出码: {code}") print("标准输出:") print(stdout) print("错误输出:") print(stderr) return code == 0 def check_imports(): """检查Python导入""" print("检查Python导入...") # 检查关键模块 modules_to_check = [ 'flask', 'flask_sqlalchemy', 'flask_migrate', 'pymysql' ] missing_modules = [] for module in modules_to_check: try: __import__(module) print(f"✓ {module} 可导入") except ImportError as e: print(f"✗ {module} 无法导入: {e}") missing_modules.append(module) if missing_modules: print(f"需要安装缺失模块: pip install {' '.join(missing_modules)}") return False # 测试导入wsgi try: spec = importlib.util.spec_from_file_location("wsgi", "wsgi.py") wsgi_module = importlib.util.module_from_spec(spec) spec.loader.exec_module(wsgi_module) if hasattr(wsgi_module, 'app') or hasattr(wsgi_module, 'application'): print("✓ wsgi.py可成功导入且包含应用实例") return True else: print("✗ wsgi.py导入成功但未找到应用实例") return False except Exception as e: print(f"✗ wsgi.py导入失败: {e}") traceback.print_exc() return False def fix_requirements(): """修复requirements.txt""" print("检查requirements.txt...") required_packages = [ 'Flask==2.3.3', 'Flask-SQLAlchemy==3.0.5', 'Flask-Migrate==4.0.5', 'PyMySQL==1.1.0', 'gunicorn==21.2.0' ] if os.path.exists('requirements.txt'): with open('requirements.txt', 'r') as f: content = f.read() missing = [] for pkg in required_packages: if pkg.split('==')[0] not in content: missing.append(pkg) if missing: print(f"添加缺失的包到requirements.txt: {missing}") with open('requirements.txt', 'a') as f: f.write('\n# 必需包\n') for pkg in missing: f.write(pkg + '\n') else: print("创建requirements.txt...") with open('requirements.txt', 'w') as f: for pkg in required_packages: f.write(pkg + '\n') print("安装requirements.txt中的包...") code, stdout, stderr = run_command("pip install -r requirements.txt") if code == 0: print("✓ 依赖包安装成功") return True else: print(f"✗ 依赖包安装失败: {stderr}") return False def stop_service(): """停止服务""" print("停止linguotree服务...") code, stdout, stderr = run_command("systemctl stop linguotree.service") if code == 0: print("✓ 服务已停止") return True else: print(f"✗ 停止服务失败: {stderr}") return False def restart_service(): """重启服务""" print("重启linguotree服务...") # 重载systemd配置 code, stdout, stderr = run_command("systemctl daemon-reload") if code != 0: print(f"✗ 重载systemd配置失败: {stderr}") return False # 重启服务 code, stdout, stderr = run_command("systemctl restart linguotree.service") if code != 0: print(f"✗ 重启服务失败: {stderr}") return False # 等待服务启动 import time print("等待服务启动...") time.sleep(3) # 检查服务状态 code, stdout, stderr = run_command("systemctl is-active linguotree.service") status = stdout.strip() if code == 0 else "error" print(f"服务状态: {status}") if status == "active": print("✓ 服务启动成功") return True else: print("✗ 服务启动失败") return False def comprehensive_fix(): """综合修复""" print("="*60) print("Flask应用精确修复") print(f"修复时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}") print("="*60) # 1. 停止服务 stop_service() # 2. 修复依赖 print("\n--- 修复依赖 ---") deps_ok = fix_requirements() # 3. 检查并创建wsgi.py print("\n--- 检查wsgi.py ---") wsgi_exists = check_wsgi_file() if not wsgi_exists: create_wsgi_file() wsgi_ok = True else: wsgi_ok = True # 4. 检查导入 print("\n--- 检查Python导入 ---") imports_ok = check_imports() # 5. 测试Gunicorn print("\n--- 测试Gunicorn ---") if imports_ok: gunicorn_ok = test_gunicorn_directly() else: gunicorn_ok = False # 6. 重启服务 print("\n--- 重启服务 ---") if gunicorn_ok: service_ok = restart_service() else: print("由于Gunicorn测试失败，跳过服务重启") service_ok = False print("\n" + "="*60) print("修复结果:") print("="*60) print(f"依赖修复: {'✓' if deps_ok else '✗'}") print(f"wsgi.py检查: {'✓' if wsgi_ok else '✗'}") print(f"导入检查: {'✓' if imports_ok else '✗'}") print(f"Gunicorn测试: {'✓' if gunicorn_ok else '✗'}") print(f"服务重启: {'✓' if service_ok else '✗'}") # 显示最终服务日志 print("\n最终服务状态:") get_service_logs(20) if service_ok: print("\n🎉 修复完成！服务应该已经正常运行。") print("请测试访问: http://你的服务器IP:8080") else: print("\n⚠️ 修复未完全成功，请检查以上步骤的错误信息。") return service_ok def main(): """主函数""" print("Flask应用精确修复工具") print("专门解决Gunicorn启动失败问题") # 显示当前服务状态 print("\n当前服务状态:") code, stdout, stderr = run_command("systemctl status linguotree.service --no-pager -n 5") print(stdout) # 显示当前日志 print("\n当前错误日志:") get_service_logs(10) confirm = input("\n是否开始修复? (y/N): ").strip().lower() if confirm in ['y', 'yes']: comprehensive_fix() else: print("修复已取消") if __name__ == "__main__": # 确保在正确的目录下运行 if os.path.exists('/var/www/html'): os.chdir('/var/www/html') main()