From 8031bbec4a50d98b53815d77e4c5fe8549ab97eb Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Fri, 31 Aug 2001 17:46:35 +0000
Subject: [PATCH] Allow for the possibility that globals['__name__'] does not
 exist; substitute "<string>" for the module name in that case.  This actually
 occurred when running test_descr.py with -Dwarn.

---
 Lib/warnings.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Lib/warnings.py b/Lib/warnings.py
index ea68e4c8db2..5bb00c19758 100644
--- a/Lib/warnings.py
+++ b/Lib/warnings.py
@@ -24,7 +24,10 @@ def warn(message, category=None, stacklevel=1):
     else:
         globals = caller.f_globals
         lineno = caller.f_lineno
-    module = globals['__name__']
+    if globals.has_key('__name__'):
+        module = globals['__name__']
+    else:
+        module = "<string>"
     filename = globals.get('__file__')
     if filename:
         fnl = filename.lower()