Instead of "attribute-less object", issue an error message that

gvanrossum · gvanrossum · commit db9351643dd9 · 1998-01-19T22:16:36.000Z
contains the type of the object and name of the attribute.
diff --git a/Objects/object.c b/Objects/object.c
@@ -348,7 +348,10 @@ PyObject_GetAttrString(v, name)
 	}
 
 	if (v->ob_type->tp_getattr == NULL) {
-		PyErr_SetString(PyExc_AttributeError, "attribute-less object");
+		PyErr_Format(PyExc_AttributeError,
+			     "'%.50s' object has no attribute '%.400s'",
+			     v->ob_type->tp_name,
+			     name);
 		return NULL;
 	}
 	else {

Original file line number	Diff line number	Diff line change
`@@ -348,7 +348,10 @@ PyObject_GetAttrString(v, name)`
`348`	`348`	`}`
`349`	`349`
`350`	`350`	`if (v->ob_type->tp_getattr == NULL) {`
`351`		`- PyErr_SetString(PyExc_AttributeError, "attribute-less object");`
	`351`	`+ PyErr_Format(PyExc_AttributeError,`
	`352`	`+ "'%.50s' object has no attribute '%.400s'",`
	`353`	`+ v->ob_type->tp_name,`
	`354`	`+ name);`
`352`	`355`	`return NULL;`
`353`	`356`	`}`
`354`	`357`	`else {`