From: Guido van Rossum <guido@python.org>
Date: Tue, 28 Aug 2001 16:37:51 +0000 (+0000)
Subject: The "O!" format code should implement an isinstance() test
X-Git-Tag: v2.2a3~279
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cbfc855f57ab6ad7920857bba3a8e2475ef0fb33;p=thirdparty%2FPython%2Fcpython.git

The "O!" format code should implement an isinstance() test
rather than a type equality test.
---

diff --git a/Python/getargs.c b/Python/getargs.c
index 9f76ac0b2ff9..a4dc57a8c326 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -875,7 +875,7 @@ convertsimple(PyObject *arg, char **p_format, va_list *p_va, char *msgbuf)
 			type = va_arg(*p_va, PyTypeObject*);
 			p = va_arg(*p_va, PyObject **);
 			format++;
-			if (arg->ob_type == type)
+			if (PyType_IsSubtype(arg->ob_type, type))
 				*p = arg;
 			else
 				return converterr(type->tp_name, arg, msgbuf);