changeset:   91373:5c60dd518182
branch:      3.4
parent:      91365:3bedc1846202
user:        Raymond Hettinger <python@rcn.com>
date:        Tue Jun 24 15:20:55 2014 -0700
files:       Lib/collections/__init__.py
description:
Issue 21832:  Require named tuple inputs to be exact strings


diff -r 3bedc1846202 -r 5c60dd518182 Lib/collections/__init__.py
--- a/Lib/collections/__init__.py	Tue Jun 24 22:57:14 2014 +0200
+++ b/Lib/collections/__init__.py	Tue Jun 24 15:20:55 2014 -0700
@@ -323,6 +323,7 @@
     if isinstance(field_names, str):
         field_names = field_names.replace(',', ' ').split()
     field_names = list(map(str, field_names))
+    typename = str(typename)
     if rename:
         seen = set()
         for index, name in enumerate(field_names):
@@ -333,6 +334,8 @@
                 field_names[index] = '_%d' % index
             seen.add(name)
     for name in [typename] + field_names:
+        if type(name) != str:
+            raise TypeError('Type names and field names must be strings')
         if not name.isidentifier():
             raise ValueError('Type names and field names must be valid '
                              'identifiers: %r' % name)