add redis

guess_card_game.py

+from datetime import timedelta
 import os
 import random
 import sys
@@ -6,6 +7,9 @@ from flask import Flask, render_template, request, redirect, url_for, session, j
 
 from data_utils import load_card_database, card_to_tags, compare_tags
 
+from flask_session import Session
+import redis
+
 base_path = getattr(sys, "_MEIPASS", os.path.dirname(__file__))
 template_folder = os.path.join(base_path, "templates")
 
@@ -16,6 +20,19 @@ app.secret_key = os.getenv("SECRET_KEY", "你自己的随机 Secret Key")
 
 db = load_card_database()
 
+redis_url = os.getenv("REDIS_URL", None)
+if redis_url:
+    app.config['SESSION_TYPE'] = 'redis'
+    app.config['SESSION_REDIS'] = redis.from_url(redis_url)
+    app.config['SESSION_PERMANENT'] = False
+    app.config['SESSION_USE_SIGNER'] = True
+    app.config['SESSION_KEY_PREFIX'] = 'session:'
+    app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(hours=1)
+    Session(app)
+    print("✅ Redis session 已启用")
+else:
+    print("⚠️ 未设置 REDIS_URL，使用默认 cookie session")
+
 
 def filter_db(mode):
     """
@@ -50,6 +67,8 @@ def start():
 
         # 3. 初始化 session
         session.clear()
+        if redis_url:
+            session.permanent = True
         session["mode"] = mode
         session["max_attempts"] = max_attempts
         session["guess_count"] = 0

requirements.txt

-Flask==3.1.0
-flask_cors==5.0.1
-Flask_SocketIO==5.5.1
-pandas==2.2.3
-redis==3.5.3
-Requests==2.32.3
+bidict==0.23.1
+blinker==1.9.0
+cachelib==0.13.0
+certifi==2025.4.26
+charset-normalizer==3.4.2
+click==8.1.8
+Flask==3.1.0
+flask-cors==5.0.1
+Flask-Session==0.8.0
+Flask-SocketIO==5.5.1
+h11==0.16.0
+idna==3.10
+itsdangerous==2.2.0
+Jinja2==3.1.6
+MarkupSafe==3.0.2
+msgspec==0.19.0
+numpy==2.2.5
+pandas==2.2.3
+python-dateutil==2.9.0.post0
+python-engineio==4.12.0
+python-socketio==5.13.0
+pytz==2025.2
+redis==3.5.3
+requests==2.32.3
+simple-websocket==1.1.0
+six==1.17.0
+tzdata==2025.2
+urllib3==2.4.0
+Werkzeug==3.1.3
+wsproto==1.2.0