chore: initialize GSREA website project

server/scripts/ensure_database.py

@@ -0,0 +1,35 @@
+"""Create the application database when it does not exist. Connection comes from the environment."""
+
+from urllib.parse import unquote, urlparse
+
+import pymysql
+
+from app.core.config import get_settings
+
+
+def main() -> None:
+    parsed = urlparse(get_settings().database_url)
+    name = parsed.path.lstrip("/")
+    if not name or not parsed.hostname:
+        raise SystemExit("DATABASE_URL 未配置")
+    connection = pymysql.connect(
+        host=parsed.hostname,
+        port=parsed.port or 3306,
+        user=unquote(parsed.username or ""),
+        password=unquote(parsed.password or ""),
+        charset="utf8mb4",
+        connect_timeout=15,
+    )
+    try:
+        with connection.cursor() as cursor:
+            cursor.execute(
+                f"CREATE DATABASE IF NOT EXISTS `{name}` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci"
+            )
+        connection.commit()
+    finally:
+        connection.close()
+    print("database ready")
+
+
+if __name__ == "__main__":
+    main()