[Numpy-discussion] Need help for the migration from Numeric to numpy

Frank Thommen structures-it@embl-heidelberg...
Fri Oct 15 12:31:33 CDT 2010


Bruce Southey wrote:
>   On 10/14/2010 12:55 PM, Christopher Barker wrote:
>> On 10/14/10 9:46 AM, Frank Thommen wrote:
>>> We are speaking of potentially several hundred files.  It's part of the
>>> scientific work of the user of the last nine years...
>> Let's hope he's got some tests!
>>
>>> Which conversion script do you mean?  I couldn't find any conversion
>>> script that works or comes close to working.
>> I don't know anything you don't know -- I thought you got a script to
>> work, it just didn't do the full job -- it may well have done some of
>> the simple scut work, though.
>>
>> Anyway, hundreds of files sounds like a lot, but while it's boring work,
>> it's probably less than you'd think once you get started. You'd want a
>> multiple-file search and replace tool, though.
>>
>> -Chris
>>
>>
>>
> 
> It took me a while to track it down, but there used to be a module/file 
> called 'convertcode.py' for conversion. It was mentioned as tip in 
> Travis's 'Guide to Numpy'  page 31 in Jan 6 2005 version. But the 
> alter_code path is in Dec 7 2006 (linked at http://docs.scipy.org/doc/). 
> It is advisable to read it as it address differences between Numeric and 
> old numpy ie section 2.6!

Thanks for the hint. I'm currently reading through this document. I'm 
sure this will help a lot.

convertcode.py doesn't seem to provided with current numpy releases.


> Travis said in the thread: 
> http://mail.scipy.org/pipermail/numpy-discussion/2006-August/010085.html
> "The transition approach is to use the compatibility layer first by 
> running oldnumeric.alter_code1.py and then running  alter_code2.py which 
> will take you from the compatibility layer to NumPy  (but alter_code2 is 
> not completed yet)."

My experience is, that these scripts don't work at all (any more).


frank


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