[pyngl-talk] Importing PyNIO from a conda install

[Ray Hawthorne]

Good morning Dave,

Unfortunately, that does not work.

Here’s what I get back when importing Nio:
>>> import Nio
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/frontogenesis/anaconda2/lib/python2.7/site-packages/PyNIO/Nio.py", line 63, in <module>
    from nio import *
ImportError: dlopen(/Users/frontogenesis/anaconda2/lib/python2.7/site-packages/PyNIO/nio.so, 2): Library not loaded: @rpath/libgssapi_krb5.2.2.dylib
  Referenced from: /Users/frontogenesis/anaconda2/lib/python2.7/site-packages/PyNIO/nio.so
  Reason: image not found


Here’s what I get when importing PyNIO (success), but try to open the file (not successful):
>>> import PyNIO
>>> f = Nio.open_file("href.t06z.prob.f36.grib2")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'Nio' is not defined

-Ray

> On Mar 14, 2016, at 11:19 PM, David Brown <dbrown at ucar.edu> wrote:
> 
> The standard way to import PyNIO is simply:
> 
> import Nio
> 
> f = Nio.open_file(<filename>)
> 
> Let us know if that doesn't work.
> -dave
> 
> 
> 
> 
> 
> On Mon, Mar 14, 2016 at 9:10 PM, Ray Hawthorne <frontogenesis at gmail.com> wrote:
>> Greetings,
>> 
>> I just installed PyNIO from anaconda and I’m having some trouble reading in a grib2 file.
>> 
>> Using the documentation, when I do an import into my Python script:
>> import Nio
>> 
>> The import fails to occur.
>> 
>> I dug around in the anaconda subdirectories and tried:
>> import PyNIO
>> And that import statement works just fine.
>> 
>> However, when I go to open a grib file:
>> f = Nio.open_file("href.t06z.prob.f36.grib2”)
>> I end up getting a traceback.
>> 
>> (Similar issue with importing PyNio.Nio as Nio)
>> 
>> I suspect there’s a discrepancy between the documentation and the build of PyNIO from anaconda — but I’m somewhere in the advanced beginner stage when it comes to Python in general, so I’m not sure how I might be able to fix this so that I can open the grib file with pynio.  Would someone be able to point me in the right direction?
>> 
>> Thanks,
>> 
>> Ray Hawthorne
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