The difficulty with accepting an iterator (of strings) is that it is
unclear if each item corresponds to a row or an element. But I would
be in favor of rather liberal string parsing, so one could do
matrix(open("test.csv").read())
just like
matrix("""
1,2,3
4,5,5
""")
On Mon, Feb 27, 2012 at 6:26 AM, Jason Grout
<jason-s...@creativetrax.com> wrote:
> On 2/24/12 1:32 PM, Volker Braun wrote:
>>
>> We do get questions about "how to read matrix from csv" quite regularly.
>> Of course its just a few lines of code, but I think it would be nice to
>> have a matrix_from_file('fname.csv') function that imports csv and
>> perhaps others (gnumeric/ooffice/excel). Any volunteers? ;-)
>>
>
> How about the matrix constructor reads from an iterator and recognizes csv?
> We could even use the numpy savetxt and loadtxt functions to more
> sophisticated parsing.
>
> So:
>
> with open('mymatrix.csv','r') as f:
> m=matrix(f)
>
> or
>
> m.save('test.csv') # or m.save('test.csv', format='csv')
>
> I'm not volunteering in these suggestions...
>
> Thanks,
>
> Jason
>
>
>
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