rewrited logic structure

group_system/config.py

@@ -0,0 +1,17 @@
+"""运行配置和环境变量。"""
+
+from __future__ import annotations
+
+import os
+from pathlib import Path
+
+BASE_DIR = Path(__file__).resolve().parent.parent
+DB_PATH = Path(os.environ.get("GROUP_DB", BASE_DIR / "selfgroup.db"))
+XLSX_PATH = Path(os.environ.get("GROUP_XLSX", BASE_DIR / "2025mt.xlsx"))
+STATIC_DIR = BASE_DIR / "static"
+TEACHER_USER = os.environ.get("TEACHER_USER", "teacher")
+TEACHER_PASSWORD = os.environ.get("TEACHER_PASSWORD", "teacher!@#")
+GROUP_LIMIT = 6
+SESSION_DAYS = 7
+MAX_JSON_BYTES = 1024 * 1024
+MAX_UPLOAD_BYTES = 10 * 1024 * 1024