[SciPy-Dev] Arff-handling?

[Ralf Gommers]

On Sat, Jan 7, 2017 at 9:41 PM, Nathaniel Smith <njs at pobox.com> wrote:

> On Sat, Jan 7, 2017 at 12:10 AM, Ralf Gommers <ralf.gommers at gmail.com>
> wrote:
> >
> >
> > On Thu, Dec 22, 2016 at 11:12 AM, Moy Git <moygit1729 at gmail.com> wrote:
> >>
> >> Hi folks.
> >>
> >> My team is writing code to slice and dice arff files: add/delete/update
> >> columns, save arffs, join two arffs on a key, append rows, etc. If
> there's
> >> interest in adding this functionality to SciPy's arff module please let
> me
> >> know and I'll send a PR.
> >>
> >> (Brief description: I'll extend arffread's MetaData class and add Arff
> and
> >> Data classes. Arff will have a convert_to_numpy method, and arffread's
> >> loadarff function will just create an Arff and call its
> convert_to_numpy.
> >> This will maintain backward-compatibility and also let us add new stuff
> to
> >> Arff.)
> >
> >
> > Hi Moy, given the lack of interest and that (AFAIK) no SciPy devs are
> users
> > of arff files, it may be better to keep the functionality in scipy.io
> > simple. There's a dedicated package for arff files called liac-arff [1,
> 2]
> > that looks pretty good and may be a better place for the more advanced
> > functionality you are proposing.
> >
> > [1] https://github.com/renatopp/liac-arff
> > [2] https://pythonhosted.org/liac-arff/
>
> It might make sense to add a note to the scipy.io docs pointing to
> this as an option for those who need something fancier, though?
>

Good idea, will do.

Ralf
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