目前可以成功动态更换模型运行的
This commit is contained in:
		
							
								
								
									
										283
									
								
								app.py
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										283
									
								
								app.py
									
									
									
									
									
										Normal file
									
								
							| @ -0,0 +1,283 @@ | ||||
| from flask import Flask, send_from_directory, abort, request | ||||
| import os | ||||
| import logging | ||||
| from functools import wraps | ||||
| from pathlib import Path | ||||
| # 跨域依赖(必须安装:pip install flask-cors) | ||||
| from flask_cors import CORS | ||||
|  | ||||
| # 配置日志(保持原有格式) | ||||
| logging.basicConfig( | ||||
|     level=logging.INFO, | ||||
|     format='%(asctime)s - %(name)s - %(levelname)s - %(message)s' | ||||
| ) | ||||
| logger = logging.getLogger(__name__) | ||||
|  | ||||
| # 初始化 Flask 应用(供 main.py 导入) | ||||
| app = Flask(__name__) | ||||
|  | ||||
| # ------------------------------ | ||||
| # 核心修改:与 FastAPI 对齐的跨域配置 | ||||
| # ------------------------------ | ||||
| # 1. 允许的前端域名(完全复制 FastAPI 的 ALLOWED_ORIGINS,确保前后端一致) | ||||
| ALLOWED_ORIGINS = [ | ||||
|     # "http://localhost:8080",  # 本地前端开发地址(必改:替换为你的前端实际地址) | ||||
|     # "http://127.0.0.1:8080", | ||||
|     # "http://服务器IP:8080",    # 部署后前端地址(替换为你的服务器IP/域名) | ||||
|     # # "*" 仅开发环境临时使用,生产环境必须删除(安全风险) | ||||
|     "*" | ||||
| ] | ||||
|  | ||||
| # 2. 配置 CORS(与 FastAPI 规则完全对齐) | ||||
| CORS( | ||||
|     app, | ||||
|     resources={ | ||||
|         r"/*": {  # 对所有 Flask 路由生效(覆盖图片、模型下载所有接口) | ||||
|             "origins": ALLOWED_ORIGINS,        # 允许的前端域名(与 FastAPI 一致) | ||||
|             "allow_credentials": True,         # 允许携带 Cookie(与 FastAPI 一致,需登录态必开) | ||||
|             "methods": ["*"],                  # 允许所有 HTTP 方法(FastAPI 用 "*",此处同步) | ||||
|             "allow_headers": ["*"],            # 允许所有请求头(与 FastAPI 一致) | ||||
|         } | ||||
|     }, | ||||
| ) | ||||
|  | ||||
| # ------------------------------ | ||||
| # 核心路径配置(不变,确保资源目录正确) | ||||
| # ------------------------------ | ||||
| CURRENT_FILE_PATH = Path(__file__).resolve() | ||||
| PROJECT_ROOT = CURRENT_FILE_PATH.parent  # 项目根目录(video/) | ||||
| # 资源目录(图片、模型) | ||||
| BASE_IMAGE_DIR_DECT = str((PROJECT_ROOT / "resource" / "dect").resolve())       # 检测图片目录 | ||||
| BASE_IMAGE_DIR_UP_IMAGES = str((PROJECT_ROOT / "up_images").resolve())          # 人脸图片目录 | ||||
| BASE_MODEL_DIR = str((PROJECT_ROOT / "resource" / "models").resolve())          # 模型文件目录 | ||||
|  | ||||
| # 打印路径配置(调试用,确认目录正确) | ||||
| logger.info(f"[Flask 配置] 项目根目录:{PROJECT_ROOT}") | ||||
| logger.info(f"[Flask 配置] 模型目录:{BASE_MODEL_DIR}") | ||||
| logger.info(f"[Flask 配置] 人脸图片目录:{BASE_IMAGE_DIR_UP_IMAGES}") | ||||
| logger.info(f"[Flask 配置] 检测图片目录:{BASE_IMAGE_DIR_DECT}") | ||||
|  | ||||
| # ------------------------------ | ||||
| # 安全检查装饰器(不变,防路径遍历/非法文件) | ||||
| # ------------------------------ | ||||
| def safe_path_check(root_dir: str): | ||||
|     def decorator(func): | ||||
|         @wraps(func) | ||||
|         def wrapper(*args, **kwargs): | ||||
|             resource_path = kwargs.get('resource_path', '').strip() | ||||
|             # 统一路径分隔符(兼容 Windows \ 和 Linux /) | ||||
|             resource_path = resource_path.replace("/", os.sep).replace("\\", os.sep) | ||||
|             # 拼接完整路径(防止路径遍历) | ||||
|             full_file_path = os.path.abspath(os.path.join(root_dir, resource_path)) | ||||
|             logger.debug( | ||||
|                 f"[Flask 安全检查] 请求路径:{resource_path} | 完整路径:{full_file_path} | 根目录:{root_dir}" | ||||
|             ) | ||||
|  | ||||
|             # 1. 禁止路径遍历(确保请求文件在根目录内) | ||||
|             if not full_file_path.startswith(root_dir): | ||||
|                 logger.warning( | ||||
|                     f"[Flask 安全拦截] 非法路径遍历!IP:{request.remote_addr} | 请求路径:{resource_path}" | ||||
|                 ) | ||||
|                 abort(403) | ||||
|  | ||||
|             # 2. 检查文件存在且为有效文件(非目录) | ||||
|             if not os.path.exists(full_file_path) or not os.path.isfile(full_file_path): | ||||
|                 logger.warning( | ||||
|                     f"[Flask 资源错误] 文件不存在/非文件!IP:{request.remote_addr} | 路径:{full_file_path}" | ||||
|                 ) | ||||
|                 abort(404) | ||||
|  | ||||
|             # 3. 限制文件大小(模型200MB,图片10MB,避免超大文件攻击) | ||||
|             max_size = 200 * 1024 * 1024 if "models" in root_dir else 10 * 1024 * 1024 | ||||
|             if os.path.getsize(full_file_path) > max_size: | ||||
|                 logger.warning( | ||||
|                     f"[Flask 大小超限] 文件超过{max_size//1024//1024}MB!IP:{request.remote_addr} | 路径:{full_file_path}" | ||||
|                 ) | ||||
|                 abort(413) | ||||
|  | ||||
|             # 安全检查通过,传递根目录给视图函数 | ||||
|             return func(*args, **kwargs, root_dir=root_dir) | ||||
|         return wrapper | ||||
|     return decorator | ||||
|  | ||||
| # ------------------------------ | ||||
| # 1. 模型下载接口(/model/download/*) | ||||
| # ------------------------------ | ||||
| @app.route('/model/download/<path:resource_path>') | ||||
| @safe_path_check(root_dir=BASE_MODEL_DIR) | ||||
| def download_model(resource_path, root_dir): | ||||
|     try: | ||||
|         resource_path = resource_path.replace("/", os.sep).replace("\\", os.sep) | ||||
|         dir_path, file_name = os.path.split(resource_path) | ||||
|         full_dir = os.path.abspath(os.path.join(root_dir, dir_path)) | ||||
|  | ||||
|         # 仅允许 .pt 格式(YOLO 模型) | ||||
|         if not file_name.lower().endswith('.pt'): | ||||
|             logger.warning( | ||||
|                 f"[Flask 格式错误] 非 .pt 模型文件!IP:{request.remote_addr} | 文件名:{file_name}" | ||||
|             ) | ||||
|             abort(415) | ||||
|  | ||||
|         logger.info( | ||||
|             f"[Flask 模型下载] 成功请求!IP:{request.remote_addr} | 文件:{file_name} | 目录:{full_dir}" | ||||
|         ) | ||||
|  | ||||
|         # 强制浏览器下载(而非预览),设置二进制文件类型 | ||||
|         return send_from_directory( | ||||
|             full_dir, | ||||
|             file_name, | ||||
|             as_attachment=True, | ||||
|             mimetype="application/octet-stream" | ||||
|         ) | ||||
|  | ||||
|     except Exception as e: | ||||
|         logger.error( | ||||
|             f"[Flask 模型下载异常] IP:{request.remote_addr} | 错误:{str(e)}" | ||||
|         ) | ||||
|         abort(500) | ||||
|  | ||||
| # ------------------------------ | ||||
| # 2. 人脸图片访问接口(/up_images/*) | ||||
| # ------------------------------ | ||||
| @app.route('/up_images/<path:resource_path>') | ||||
| @safe_path_check(root_dir=BASE_IMAGE_DIR_UP_IMAGES) | ||||
| def get_face_image(resource_path, root_dir): | ||||
|     try: | ||||
|         resource_path = resource_path.replace("/", os.sep).replace("\\", os.sep) | ||||
|         dir_path, file_name = os.path.split(resource_path) | ||||
|         full_dir = os.path.abspath(os.path.join(root_dir, dir_path)) | ||||
|  | ||||
|         # 仅允许常见图片格式 | ||||
|         allowed_ext = ('.png', '.jpg', '.jpeg', '.gif', '.bmp') | ||||
|         if not file_name.lower().endswith(allowed_ext): | ||||
|             logger.warning( | ||||
|                 f"[Flask 格式错误] 非图片文件!IP:{request.remote_addr} | 文件名:{file_name}" | ||||
|             ) | ||||
|             abort(415) | ||||
|  | ||||
|         logger.info( | ||||
|             f"[Flask 人脸图片] 成功请求!IP:{request.remote_addr} | 文件:{file_name} | 目录:{full_dir}" | ||||
|         ) | ||||
|  | ||||
|         # 允许浏览器预览图片(而非下载) | ||||
|         return send_from_directory(full_dir, file_name, as_attachment=False) | ||||
|  | ||||
|     except Exception as e: | ||||
|         logger.error( | ||||
|             f"[Flask 人脸图片异常] IP:{request.remote_addr} | 错误:{str(e)}" | ||||
|         ) | ||||
|         abort(500) | ||||
|  | ||||
| # ------------------------------ | ||||
| # 3. 检测图片访问接口(/resource/dect/*) | ||||
| # ------------------------------ | ||||
| @app.route('/resource/dect/<path:resource_path>') | ||||
| @safe_path_check(root_dir=BASE_IMAGE_DIR_DECT) | ||||
| def get_dect_image(resource_path, root_dir): | ||||
|     try: | ||||
|         resource_path = resource_path.replace("/", os.sep).replace("\\", os.sep) | ||||
|         dir_path, file_name = os.path.split(resource_path) | ||||
|         full_dir = os.path.abspath(os.path.join(root_dir, dir_path)) | ||||
|  | ||||
|         # 仅允许常见图片格式 | ||||
|         allowed_ext = ('.png', '.jpg', '.jpeg', '.gif', '.bmp') | ||||
|         if not file_name.lower().endswith(allowed_ext): | ||||
|             logger.warning( | ||||
|                 f"[Flask 格式错误] 非图片文件!IP:{request.remote_addr} | 文件名:{file_name}" | ||||
|             ) | ||||
|             abort(415) | ||||
|  | ||||
|         logger.info( | ||||
|             f"[Flask 检测图片] 成功请求!IP:{request.remote_addr} | 文件:{file_name} | 目录:{full_dir}" | ||||
|         ) | ||||
|  | ||||
|         return send_from_directory(full_dir, file_name, as_attachment=False) | ||||
|  | ||||
|     except Exception as e: | ||||
|         logger.error( | ||||
|             f"[Flask 检测图片异常] IP:{request.remote_addr} | 错误:{str(e)}" | ||||
|         ) | ||||
|         abort(500) | ||||
|  | ||||
| # ------------------------------ | ||||
| # 4. 兼容旧图片接口(/images/* → 映射到 /resource/dect/*) | ||||
| # ------------------------------ | ||||
| @app.route('/images/<path:resource_path>') | ||||
| @safe_path_check(root_dir=BASE_IMAGE_DIR_DECT) | ||||
| def get_compatible_image(resource_path, root_dir): | ||||
|     try: | ||||
|         # 逻辑与检测图片接口一致,仅URL前缀不同(兼容旧前端) | ||||
|         resource_path = resource_path.replace("/", os.sep).replace("\\", os.sep) | ||||
|         dir_path, file_name = os.path.split(resource_path) | ||||
|         full_dir = os.path.abspath(os.path.join(root_dir, dir_path)) | ||||
|  | ||||
|         allowed_ext = ('.png', '.jpg', '.jpeg', '.gif', '.bmp') | ||||
|         if not file_name.lower().endswith(allowed_ext): | ||||
|             logger.warning( | ||||
|                 f"[Flask 格式错误] 非图片文件!IP:{request.remote_addr} | 文件名:{file_name}" | ||||
|             ) | ||||
|             abort(415) | ||||
|  | ||||
|         logger.info( | ||||
|             f"[Flask 兼容图片] 成功请求!IP:{request.remote_addr} | 文件:{file_name} | 目录:{full_dir}" | ||||
|         ) | ||||
|  | ||||
|         return send_from_directory(full_dir, file_name, as_attachment=False) | ||||
|  | ||||
|     except Exception as e: | ||||
|         logger.error( | ||||
|             f"[Flask 兼容图片异常] IP:{request.remote_addr} | 错误:{str(e)}" | ||||
|         ) | ||||
|         abort(500) | ||||
|  | ||||
| # ------------------------------ | ||||
| # 全局错误处理器(友好提示,与 FastAPI 错误信息风格一致) | ||||
| # ------------------------------ | ||||
| @app.errorhandler(403) | ||||
| def forbidden_error(error): | ||||
|     return "❌ 禁止访问:路径非法(可能存在路径遍历)或无权限", 403 | ||||
|  | ||||
| @app.errorhandler(404) | ||||
| def not_found_error(error): | ||||
|     return "❌ 资源不存在:请检查URL路径(IP、目录、文件名)是否正确", 404 | ||||
|  | ||||
| @app.errorhandler(413) | ||||
| def too_large_error(error): | ||||
|     return "❌ 文件过大:图片最大10MB,模型最大200MB", 413 | ||||
|  | ||||
| @app.errorhandler(415) | ||||
| def unsupported_type_error(error): | ||||
|     return "❌ 不支持的文件类型:图片支持png/jpg/jpeg/gif/bmp,模型仅支持pt", 415 | ||||
|  | ||||
| @app.errorhandler(500) | ||||
| def server_error(error): | ||||
|     return "❌ 服务器内部错误:请联系管理员查看后台日志", 500 | ||||
|  | ||||
| # ------------------------------ | ||||
| # Flask 独立启动入口(供测试,实际由 main.py 子线程启动) | ||||
| # ------------------------------ | ||||
| if __name__ == '__main__': | ||||
|     # 确保所有资源目录存在(防止初始化失败) | ||||
|     required_dirs = [ | ||||
|         (BASE_IMAGE_DIR_DECT, "检测图片目录"), | ||||
|         (BASE_IMAGE_DIR_UP_IMAGES, "人脸图片目录"), | ||||
|         (BASE_MODEL_DIR, "模型文件目录") | ||||
|     ] | ||||
|     for dir_path, dir_desc in required_dirs: | ||||
|         if not os.path.exists(dir_path): | ||||
|             logger.info(f"[Flask 初始化] {dir_desc}不存在,创建:{dir_path}") | ||||
|             os.makedirs(dir_path, exist_ok=True) | ||||
|  | ||||
|     # 启动提示(含访问示例) | ||||
|     logger.info("\n[Flask 服务启动成功!] 支持的接口:") | ||||
|     logger.info(f"1. 模型下载 → http://服务器IP:5000/model/download/resource/models/xxx.pt") | ||||
|     logger.info(f"2. 人脸图片 → http://服务器IP:5000/up_images/xxx.jpg") | ||||
|     logger.info(f"3. 检测图片 → http://服务器IP:5000/resource/dect/xxx.jpg 或 http://服务器IP:5000/images/xxx.jpg\n") | ||||
|  | ||||
|     # 启动服务(禁用 debug 和自动重载,避免多线程冲突) | ||||
|     app.run( | ||||
|         host="0.0.0.0",  # 允许外部IP访问 | ||||
|         port=5000,        # 与 main.py 中 Flask 端口一致 | ||||
|         debug=False, | ||||
|         use_reloader=False | ||||
|     ) | ||||
		Reference in New Issue
	
	Block a user