From: Guido van Rossum <guido@python.org>
Date: Mon, 10 Apr 2000 13:03:19 +0000 (+0000)
Subject: Mark Hammond:
X-Git-Tag: v1.6a2~54
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5f8b12f27e1cce4ff7e5fd3594a83855db350784;p=python

Mark Hammond:

In line with a similar checkin to object.c a while ago, this patch
gives a more descriptive error message for an attribute error on a
class instance.  The message now looks like:

AttributeError: 'Descriptor' instance has no attribute 'GetReturnType'
---

diff --git a/Objects/classobject.c b/Objects/classobject.c
index 8ee13444b8..4fb1167489 100644
--- a/Objects/classobject.c
+++ b/Objects/classobject.c
@@ -592,7 +592,10 @@ instance_getattr1(inst, name)
 	if (v == NULL) {
 		v = class_lookup(inst->in_class, name, &class);
 		if (v == NULL) {
-			PyErr_SetObject(PyExc_AttributeError, name);
+			PyErr_Format(PyExc_AttributeError,
+				     "'%.50s' instance has no attribute '%.400s'",
+				     PyString_AsString(inst->in_class->cl_name),
+				     sname);
 			return NULL;
 		}
 	}