Revert from Gitea Mirror Due to Catastrophic Destruction in Github

Data/Server/Modules/guid_utils.py

@@ -0,0 +1,26 @@
+from __future__ import annotations
+
+import string
+import uuid
+from typing import Optional
+
+
+def normalize_guid(value: Optional[str]) -> str:
+    """
+    Canonicalize GUID strings so the server treats different casings/formats uniformly.
+    """
+    candidate = (value or "").strip()
+    if not candidate:
+        return ""
+    candidate = candidate.strip("{}")
+    try:
+        return str(uuid.UUID(candidate)).upper()
+    except Exception:
+        cleaned = "".join(ch for ch in candidate if ch in string.hexdigits or ch == "-")
+        cleaned = cleaned.strip("-")
+        if cleaned:
+            try:
+                return str(uuid.UUID(cleaned)).upper()
+            except Exception:
+                pass
+        return candidate.upper()