Fix doc

astroid/nodes/node_classes.py

@@ -2061,7 +2061,16 @@ def __init__(
         :param end_col_offset: The end column this node appears on in the
             source code. Note: This is after the last symbol.
         """
-        self.value: Any = value
+        if getattr(value, "__name__", None) == "__doc__":
+            warnings.warn(  # pragma: no cover
+                "You have most likely called a __doc__ field of some object "
+                "and it didn't return a string. "
+                "That happens to some symbols from the standard library. "
+                "Check for isinstance(<X>.__doc__, str).",
+                RuntimeWarning,
+                stacklevel=0,
+            )
+        self.value = value
         """The value that the constant represents."""
 
         self.kind: str | None = kind  # can be None

astroid/nodes/scoped_nodes/scoped_nodes.py

@@ -1624,7 +1624,7 @@ def infer_call_result(
                     col_offset=0,
                     end_lineno=0,
                     end_col_offset=0,
-                    parent=self,
+                    parent=AstroidManager().adhoc_module,
                 )
                 new_class.hide = True
                 new_class.postinit(

astroid/raw_building.py

@@ -56,7 +56,8 @@ def _add_dunder_class(func, member) -> None:
     if not cls_name:
         return
     cls_bases = [ancestor.__name__ for ancestor in python_cls.__bases__]
-    ast_klass = build_class(cls_name, cls_bases, python_cls.__doc__)
+    doc = python_cls.__doc__ if isinstance(python_cls.__doc__, str) else None
+    ast_klass = build_class(cls_name, cls_bases, doc)
     func.instance_attrs["__class__"] = [ast_klass]
 
 
@@ -316,7 +317,7 @@ def object_build_function(
         args,
         posonlyargs,
         defaults,
-        member.__doc__,
+        member.__doc__ if isinstance(member.__doc__, str) else None,
         kwonlyargs=kwonlyargs,
         kwonlydefaults=kwonly_defaults,
     )
@@ -357,11 +358,8 @@ def _base_class_object_build(
     """
     class_name = name or getattr(member, "__name__", None) or localname
     assert isinstance(class_name, str)
-    klass = build_class(
-        class_name,
-        basenames,
-        member.__doc__,
-    )
+    doc = member.__doc__ if isinstance(member.__doc__, str) else None
+    klass = build_class(class_name, basenames, doc)
     klass._newstyle = isinstance(member, type)
     node.add_local_node(klass, localname)
     try:
@@ -718,11 +716,12 @@ def _astroid_bootstrapping() -> None:
                 parent=nodes.Unknown(),
             )
             klass.parent = astroid_builtin
+            doc = _type.__doc__ if isinstance(_type.__doc__, str) else None
             klass.postinit(
                 bases=[],
                 body=[],
                 decorators=None,
-                doc_node=nodes.Const(value=_type.__doc__) if _type.__doc__ else None,
+                doc_node=nodes.Const(doc) if doc else None,
             )
             builder.object_build(klass, _type)
             astroid_builtin[_type.__name__] = klass