[Numpy-discussion] First Numerical Python code...comments?

Steven H. Rogers steve@shrogers....
Sun Mar 4 14:33:12 CST 2007


Alan G Isaac wrote:
>> Charles R Harris wrote: 
>>> that this is planned for python 3.0 but maybe not yet in 
>>> current versions of python. From a ppt presentation by 
>>> Guido: 
>>> dict.keys(), range(), zip() won't return lists 
>>> killing dict.iterkeys(), xrange(), itertools.izip() 
> 
> On Sun, 04 Mar 2007, "Steven H. Rogers" apparently wrote: 
>> At PyCon, Guido said that range would have xrange behavior and the old 
>> range would be deprecated in Python 3.0.  This may be back-ported to 2.6. 
> 
> Did he discuss whether the change in ``zip`` is still 
> planned?  Unlike the change in range, I find the proposed 
> change in ``zip`` not to be innocuous. (I.e., I'm sure some 
> of my code will fail if my zip object is empty after 
> iteration.)
> 

Sorry, I don't recall him mentioning zip, but this 
(http://www.python.org/dev/peps/pep-3099/) implies that zip behavior 
will be unchanged.

# Steve



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