[lsst-dm-stack-users] Trying out the Anaconda python with a RHEL6 installation

[Mario Juric]

On 2/14/14, 18:34 , Chris Walter wrote:
> Hi All,
> 
> I spoke too soon...
> 
> I don't really understand what conda is doing here but the pyfits
> below is actually the DM pyfits.
> 
> You don't see it in the list unless you setup eups with something
> that needs pyfits (like pipe_tasks).  Then conda knows about it.  The
> other <pip> ones are there all the time.
> 
> On my mac where I am using macports w/DM and I explicitly declared
> pyfits as 'system' this doesn't happen.  Clearly it is somehow
> related to pyfits from DM being in the python system path after it is
> setup.  Pretty mysterious...
> 

My guess is that conda looks at what's on PYTHONPATH and interprets what
it finds as a pip-installed package ('setup pyfits' adds the path to
DM-built pyfits modules to PYTHONPATH).

Don't know about the others, though.

- M.

> -Chris
> 
> 
>> BTW, I noticed one other item to watch out for while playing with this.
>>
>> DM installs pyfits.  Pyfits isn't in the list of anaconda packages but after running the astropy test it seems to have installed it itself somehow:
>>
>> neutrino-01:bin $ conda list | grep pyfits
>> pyfits                    3.1.2                     <pip>
>>
>> I guess the <pip> notation I means it used pip to install something it thinks it needed.
>>
>> I'm not sure exactly what it is doing, but here are some other packages it added to itself:
>>
>> neutrino-01:bin $ conda list | grep pip
>> backports.ssl-match-hostname 3.4.0.2                   <pip>
>> beautifulsoup4            4.3.1                     <pip>
>> gevent-zeromq             0.2.2                     <pip>
>> pip                       1.5.2                    py27_0  
>> pyfits                    3.1.2                     <pip>
>> python-dateutil           1.5                       <pip>
>> tables                    3.1.0                     <pip>
>> wsgiref                   0.1.2                     <pip>
>>
>> -Chris
>>
> 


-- 
Mario Juric,
Data Mgmt. Project Scientist, Large Synoptic Survey Telescope
Web : http://research.majuric.org     Phone : +1 617 744 9003