Clean up unittest attempt.

utils/backup.py

@@ -0,0 +1,23 @@
+import zipfile
+import datetime
+from pathlib import Path
+
+WEB_FOLDER = Path("plots")
+BACKUP_FOLDER = Path("backups")
+
+today = datetime.date.today().strftime("%Y%m%d")
+backup_name = f"backup-{today}.zip"
+backup_path = BACKUP_FOLDER / backup_name
+
+BACKUP_FOLDER.mkdir(parents=True, exist_ok=True)
+
+if backup_path.exists():
+    print(f"Backup already exists: {backup_path}")
+else:
+    print(f"Creating backup: {backup_path}")
+    with zipfile.ZipFile(backup_path, "w", zipfile.ZIP_DEFLATED) as zipf:
+        for path in WEB_FOLDER.rglob("*"):
+            if path.is_file():
+                arcname = path.relative_to(WEB_FOLDER.parent)
+                zipf.write(path, arcname)
+    print("✅ Backup complete.")