From be59d1489bdf150e05e67a89cc772628af7e8fd6 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Wed, 27 Jan 2016 00:39:12 +0100
Subject: Issue #26146: enhance ast.Constant error message

Mention the name of the invalid type in error message of AST validation for
constants.

Suggestion made by Joseph Jevnik on a review.
---
 Python/ast.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Python/ast.c')

diff --git a/Python/ast.c b/Python/ast.c
index ecfc14cdf8..d19546a2f7 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -288,7 +288,9 @@ validate_expr(expr_ty exp, expr_context_ty ctx)
             validate_keywords(exp->v.Call.keywords);
     case Constant_kind:
         if (!validate_constant(exp->v.Constant.value)) {
-            PyErr_SetString(PyExc_TypeError, "invalid type in Constant");
+            PyErr_Format(PyExc_TypeError,
+                         "got an invalid type in Constant: %s",
+                         Py_TYPE(exp->v.Constant.value)->tp_name);
             return 0;
         }
         return 1;
-- 
cgit v1.2.1