From: Guido van Rossum <guido@python.org>
Date: Fri, 31 Mar 2000 03:29:39 +0000 (+0000)
Subject: Add back an obscure "feature" to the Obj version of Tkapp_Call(): a
X-Git-Tag: v1.6a1~44
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=64231e5c39070ab4f8d92708cdc0b5799392b042;p=python

Add back an obscure "feature" to the Obj version of Tkapp_Call(): a
None in an argument list *terminates* the argument list: further
arguments are *ignored*.  This isn't kosher, but too much code relies
on it, implicitly.  For example, IDLE was pretty broken.
---

diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
index 47edf626eb..601a70c56e 100644
--- a/Modules/_tkinter.c
+++ b/Modules/_tkinter.c
@@ -604,6 +604,10 @@ Tkapp_Call(self, args)
 
 		for (i = 0; i < objc; i++) {
 			PyObject *v = PyTuple_GetItem(args, i);
+			if (v == Py_None) {
+				objc = i;
+				break;
+			}
 			objv[i] = AsObj(v);
 			if (!objv[i])
 				goto finally;