From: Raymond Hettinger <python@rcn.com>
Date: Tue, 24 Jun 2014 22:20:55 +0000 (-0700)
Subject: Issue 21832:  Require named tuple inputs to be exact strings
X-Git-Tag: v3.4.2rc1~327
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bc000509e8ae782ef96c656885c3342d11fca3a6;p=python

Issue 21832:  Require named tuple inputs to be exact strings
---

diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py
index d6deb6a7b2..d993fe0ce7 100644
--- a/Lib/collections/__init__.py
+++ b/Lib/collections/__init__.py
@@ -323,6 +323,7 @@ def namedtuple(typename, field_names, verbose=False, rename=False):
     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 @@ def namedtuple(typename, field_names, verbose=False, rename=False):
                 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)