[Python-checkins] r59797 - python/trunk/Lib/collections.py

Sun Jan 6 23:11:54 CET 2008

Author: raymond.hettinger
Date: Sun Jan 6 23:11:54 2008
New Revision: 59797
Modified:
 python/trunk/Lib/collections.py
Log:
Speed-up named tuple's _make() constructor.
Modified: python/trunk/Lib/collections.py
==============================================================================

--- python/trunk/Lib/collections.py	(original)
+++ python/trunk/Lib/collections.py	Sun Jan 6 23:11:54 2008
@@ -65,9 +65,9 @@
 def __new__(cls, %(argtxt)s):
 return tuple.__new__(cls, (%(argtxt)s)) \n
 @classmethod
- def _make(cls, iterable):
+ def _make(cls, iterable, new=tuple.__new__, len=len):
 'Make a new %(typename)s object from a sequence or iterable'
- result = tuple.__new__(cls, iterable)
+ result = new(cls, iterable)
 if len(result) != %(numfields)d:
 raise TypeError('Expected %(numfields)d arguments, got %%d' %% len(result))
 return result \n
