1

backend/app/config.py

@@ -0,0 +1,37 @@
+import json
+import os
+from pathlib import Path
+from urllib.parse import quote_plus
+
+
+BASE_DIR = Path(__file__).resolve().parents[1]
+MYSQL_CONFIG_PATH = BASE_DIR / "mysqlconfig.json"
+
+
+def load_mysql_config() -> dict:
+    if not MYSQL_CONFIG_PATH.exists():
+        raise FileNotFoundError(f"未找到 MySQL 配置文件: {MYSQL_CONFIG_PATH}")
+    with MYSQL_CONFIG_PATH.open("r", encoding="utf-8-sig") as file:
+        return json.load(file)
+
+
+def build_mysql_uri(mysql_cfg: dict) -> str:
+    user = mysql_cfg["user"]
+    password = quote_plus(mysql_cfg["password"])
+    host = mysql_cfg.get("host", "127.0.0.1")
+    port = mysql_cfg.get("port", 3306)
+    database = mysql_cfg["database"]
+    charset = mysql_cfg.get("charset", "utf8mb4")
+    return f"mysql+pymysql://{user}:{password}@{host}:{port}/{database}?charset={charset}"
+
+
+class Config:
+    MYSQL_CONFIG = load_mysql_config()
+    SQLALCHEMY_DATABASE_URI = build_mysql_uri(MYSQL_CONFIG)
+    SQLALCHEMY_TRACK_MODIFICATIONS = False
+
+    JWT_SECRET_KEY = os.getenv("JWT_SECRET_KEY", "replace-this-jwt-secret-key-in-production")
+    SECRET_KEY = os.getenv("FLASK_SECRET_KEY", "replace-this-flask-secret-key-in-production")
+
+    SPAM_DATASET_PATH = str(BASE_DIR / "seed" / "spam_samples_seed.json")
+    NB_MODEL_PATH = str(BASE_DIR / "models" / "spam_nb_model.joblib")