117 lines
4.4 KiB
Python
117 lines
4.4 KiB
Python
"""
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MiroFish Backend - Flask应用工厂
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"""
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import os
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import warnings
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# 抑制 multiprocessing resource_tracker 的警告（来自第三方库如 transformers）
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# 需要在所有其他导入之前设置
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warnings.filterwarnings("ignore", message=".*resource_tracker.*")
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import jwt
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from flask import Flask, request, jsonify
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from flask_cors import CORS
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from .config import Config
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from .utils.logger import setup_logger, get_logger
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# Rutes públiques que no requereixen token JWT
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_PUBLIC_PATHS = {'/health', '/api/auth/login'}
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def create_app(config_class=Config):
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"""Flask应用工厂函数"""
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app = Flask(__name__)
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app.config.from_object(config_class)
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# 设置JSON编码：确保中文直接显示（而不是 \uXXXX 格式）
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# Flask >= 2.3 使用 app.json.ensure_ascii，旧版本使用 JSON_AS_ASCII 配置
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if hasattr(app, 'json') and hasattr(app.json, 'ensure_ascii'):
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app.json.ensure_ascii = False
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# 设置日志
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logger = setup_logger('mirofish')
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# 只在 reloader 子进程中打印启动信息（避免 debug 模式下打印两次）
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is_reloader_process = os.environ.get('WERKZEUG_RUN_MAIN') == 'true'
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debug_mode = app.config.get('DEBUG', False)
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should_log_startup = not debug_mode or is_reloader_process
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if should_log_startup:
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logger.info("=" * 50)
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logger.info("MiroFish Backend 启动中...")
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logger.info("=" * 50)
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# 启用CORS
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CORS(app, resources={r"/api/*": {"origins": "*"}})
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# 注册模拟进程清理函数（确保服务器关闭时终止所有模拟进程）
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from .services.simulation_runner import SimulationRunner
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SimulationRunner.register_cleanup()
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if should_log_startup:
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logger.info("已注册模拟进程清理函数")
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# Middleware d'autenticació JWT — s'executa ABANS del log_request (ordre FIFO)
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@app.before_request
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def require_auth():
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if request.path in _PUBLIC_PATHS or request.method == 'OPTIONS':
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return None
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if not request.path.startswith('/api/'):
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return None # rutes estàtiques del SPA no requereixen token
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auth_header = request.headers.get('Authorization', '')
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if not auth_header.startswith('Bearer '):
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return jsonify({'success': False, 'error': 'Missing token'}), 401
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token = auth_header[len('Bearer '):]
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try:
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jwt.decode(token, app.config['SECRET_KEY'], algorithms=['HS256'])
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except jwt.ExpiredSignatureError:
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return jsonify({'success': False, 'error': 'Token expired'}), 401
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except jwt.InvalidTokenError:
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return jsonify({'success': False, 'error': 'Invalid token'}), 401
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# 请求日志中间件
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@app.before_request
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def log_request():
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logger = get_logger('mirofish.request')
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logger.debug(f"请求: {request.method} {request.path}")
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if request.content_type and 'json' in request.content_type:
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logger.debug(f"请求体: {request.get_json(silent=True)}")
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@app.after_request
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def log_response(response):
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logger = get_logger('mirofish.request')
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logger.debug(f"响应: {response.status_code}")
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return response
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# 注册蓝图 (auth primer, luego els existents)
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from .api import graph_bp, simulation_bp, report_bp, auth_bp
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app.register_blueprint(auth_bp, url_prefix='/api/auth')
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app.register_blueprint(graph_bp, url_prefix='/api/graph')
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app.register_blueprint(simulation_bp, url_prefix='/api/simulation')
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app.register_blueprint(report_bp, url_prefix='/api/report')
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# 健康检查
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@app.route('/health')
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def health():
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return {'status': 'ok', 'service': 'MiroFish Backend'}
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# Servir el SPA de Vue compilat (producció: quan existeix frontend/dist/)
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# La catch-all es registra al final perquè les rutes /api/* tinguin prioritat
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import os as _os
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from flask import send_from_directory, send_file as _send_file
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_dist = _os.path.join(_os.path.dirname(__file__), '../../frontend/dist')
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if _os.path.isdir(_dist):
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@app.route('/', defaults={'path': ''})
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@app.route('/<path:path>')
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def serve_spa(path):
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f = _os.path.join(_dist, path)
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if path and _os.path.isfile(f):
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return send_from_directory(_dist, path)
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return _send_file(_os.path.join(_dist, 'index.html'))
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if should_log_startup:
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logger.info("MiroFish Backend 启动完成")
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return app
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