pylint-dev#8603 pylint/pyreverse/utils.py, added escaping of vertic…

…al bar character in annotation labels to ensure it is not treated as field separator of record-based nodes

pylint/pyreverse/utils.py

@@ -167,10 +167,20 @@ def get_annotation_label(ann: nodes.Name | nodes.NodeNG) -> str:
     if isinstance(ann, nodes.Name) and ann.name is not None:
         return ann.name  # type: ignore[no-any-return]
     if isinstance(ann, nodes.NodeNG):
-        return ann.as_string()  # type: ignore[no-any-return]
+        label = ann.as_string()
+
+        return escape_vertical_bar(label)  # type: ignore[no-any-return]
     return ""
 
 
+def escape_vertical_bar(value: str) -> str:
+    """Escapes vertical bar character to make it appear as a literal character
+    otherwise it gets treated as field separator of record-based nodes.
+    """
+
+    return value.replace("|", r"\|")
+
+
 def get_annotation(
     node: nodes.AssignAttr | nodes.AssignName,
 ) -> nodes.Name | nodes.Subscript | None: