[Python-checkins] r59849 - python/trunk/Lib/collections.py

[raymond.hettinger]

Author: raymond.hettinger
Date: Tue Jan  8 03:02:05 2008
New Revision: 59849

Modified:
   python/trunk/Lib/collections.py
Log:
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Modified: python/trunk/Lib/collections.py
==============================================================================
--- python/trunk/Lib/collections.py	(original)
+++ python/trunk/Lib/collections.py	Tue Jan  8 03:02:05 2008
@@ -34,7 +34,8 @@
 
     """
 
-    # Parse and validate the field names
+    # Parse and validate the field names.  Validation serves two purposes,
+    # generating informative error messages and preventing template injection attacks.
     if isinstance(field_names, basestring):
         field_names = field_names.replace(',', ' ').split() # names separated by whitespace and/or commas
     field_names = tuple(field_names)