Reimplementing Columns Management

src/myfasthtml/test/matcher.py

@@ -276,11 +276,14 @@ def _get_attr(x, attr):
   
   if isinstance(x, NotStr) and attr == "s":
     # Special case for NotStr: return the name of the svg
-    svg = getattr(x, attr, MISSING_ATTR)
-    match = re.search(r'name\s*=\s*["\']([^"\']+)["\']', svg)
-    if match:
-      return f'<svg name="{match.group(1)}" />'
-    
+    attr_value = getattr(x, attr, MISSING_ATTR)
+    if attr_value.strip().startswith("<svg "):
+      match = re.search(r'name\s*=\s*["\']([^"\']+)["\']', attr_value)
+      if match:
+        return f'<svg name="{match.group(1)}" />'
+    else:
+      return attr_value
+  
   return getattr(x, attr, MISSING_ATTR)