refac

backend/open_webui/utils/sanitize.py

@@ -0,0 +1,21 @@
+import re
+
+
+def strip_markdown_code_fences(code: str) -> str:
+    """
+    Strip markdown code fences if present.
+
+    This is a defensive, non-breaking change — if the code doesn't
+    contain fences, it passes through unchanged.
+
+    Handles patterns like:
+    - ```python
+    - ```py
+    - ```
+    """
+    code = code.strip()
+    # Remove opening fence (```python, ```py, ``` etc.)
+    code = re.sub(r"^```\w*\n?", "", code)
+    # Remove closing fence
+    code = re.sub(r"\n?```\s*$", "", code)
+    return code.strip()