[AstroPy] question re specutils

[Aycha Tammour]

Erik,

pip install specutils was not able to install the package (No distributions
at all found for specutils) even when I tried --allow-unvirified and
--allow-external.

Although pip search specutils seemed to find the package.

I tried installing from source on a MAC and a unix machine and got error
messages about cythoning some file (code.py, I think).

Best,
Aycha

On Wed, Sep 17, 2014 at 4:40 PM, Erik Bray <embray at stsci.edu> wrote:

> On 09/17/2014 11:46 AM, Aycha Tammour wrote:
> > Thanks Erik. This makes sense but there is actually a setup_package.py
> file in
> > the directory which I used to install specutils with
> >
> > python setup_package.py install
> >
> > Nothing showed on my terminal which seems a bit suspicious.
>
> setup_package.py is not the file you are looking for.
>
> Please follow the instructions at
>
>
> http://docs.astropy.org/en/stable/install.html#obtaining-the-source-packages
>
> if you want to install from source, or better still just do `pip install
> specutils`.
>
> Erik
>
> > On Wed, Sep 17, 2014 at 11:18 AM, Erik Bray <embray at stsci.edu
> > <mailto:embray at stsci.edu>> wrote:
> >
> >     On 09/17/2014 11:15 AM, Aycha Tammour wrote:
> >     > Hi Erik,
> >     >
> >     > specutils.__version__
> >     > ''
> >     >
> >     > specutils.__file__
> >     > 'specutils/__init__.py'
> >     >
> >     > The package I am using is the one I grabbed from the github repo
> just yesterday.
> >
> >     It sounds like you're just trying to import the package directly out
> of the
> >     repository clone without building the package first or installing it.
> >
> >     It looks like specutils doesn't have installation instructions as
> such, but I
> >     recommend looking at the installation instructions for Astropy as it
> applies all
> >     the same:
> >
> >     http://docs.astropy.org/en/stable/install.html
> >
> >     Erik
> >
> >     > On Wed, Sep 17, 2014 at 11:10 AM, Erik Bray <embray at stsci.edu
> <mailto:embray at stsci.edu>
> >      > <mailto:embray at stsci.edu <mailto:embray at stsci.edu>>> wrote:
> >      >
> >      >     On 09/17/2014 10:12 AM, Aycha Tammour wrote:
> >      >     > Hi,
> >      >     >
> >      >     > I have a question about one of Astropy's affiliated
> packages and I
> >     hope someone
> >      >     > here can help with it.
> >      >     > I am trying to use specutils' extinction module but it
> seems I am
> >     unable to
> >      >     > import it.
> >      >     >
> >      >     > I tried:
> >      >     > import specutils
> >      >     > specutils.extinction.extinction_ccm89(wave, r_v=3.1)
> >      >     > And got:
> >      >     > AttributeError: 'module' object has no attribute
> 'extinction'
> >      >     >
> >      >     > When I tried:
> >      >     > from specutils import extinction
> >      >     > I still got
> >      >     > ImportError: cannot import name extinction
> >      >     >
> >      >     > Am I missing something here? I should mention that I was
> able to
> >     use some of the
> >      >     > functionality in spectrum1D.
> >      >
> >      >     When you import specutils what do
> >      >
> >      >       >>> specutils.__version__
> >      >
> >      >     and
> >      >
> >      >       >>> specutils.__file__
> >      >
> >      >     show?
> >      >
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> >      >
> >      >
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-- 
Aycha Tammour
Astronomy PhD Candidate
University of Western Ontario
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