[Python-projects] pylint doesn't like numpy

[Adrien Di Mascio]

Hi,

[skip at pobox.com]
> Given this one-line script:
> 
>     from numpy import array, identity, matrixmultiply, dot
> 
> pylint reports:
> 
>     pylintnumpy.py:1: [E] No name 'array' in module 'numpy'
>     pylintnumpy.py:1: [E] No name 'identity' in module 'numpy'
>     pylintnumpy.py:1: [E] No name 'matrixmultiply' in module 'numpy'
>     pylintnumpy.py:1: [E] No name 'dot' in module 'numpy'
>     pylintnumpy.py:1: [W] Unused import matrixmultiply
>     pylintnumpy.py:1: [W] Unused import identity
>     pylintnumpy.py:1: [W] Unused import array
>     pylintnumpy.py:1: [W] Unused import dot
> 
> No big deal on the warnings, but the errors perplex me because:
> 
>     % python
>     Python 2.4.2 (#1, Feb 23 2006, 12:48:31)
>     [GCC 3.4.1] on sunos5
>     Type "help", "copyright", "credits" or "license" for more information.
>     >>> from numpy import array, identity, matrixmultiply, dot
>     >>> import numpy
>     >>> numpy.__file__
>     '/opt/app/g++lib6/python-2.4/lib/python2.4/site-packages/numpy/__init__.pyc'
> 
> Why does pylint seem to think numpy doesn't provide those symbols?

I can't reproduce the problem here. Here's what I get :

    pylintnumpy.py:1: [E] No name 'matrixmultiply' in module 'numpy'
    pylintnumpy.py:1: [W] Unused import matrixmultiply
    pylintnumpy.py:1: [W] Unused import identity
    pylintnumpy.py:1: [W] Unused import array
    pylintnumpy.py:1: [W] Unused import dot

The only error I have is because matrixmultiply does indeed not exist
in numpy (at least in version 1.0 where it was replaced by `dot`).

I'm using the development version of pylint, but the last changes made
to pylint since the last release (0.12.2) are unrelated to your problem.
(check http://www.logilab.org/cgi-bin/hgwebdir.cgi/pylint for more
details)

pylint version: dev
logilab-astng version: dev (0.16.2)
logilab-common version: dev (0.21.0)
numpy version: 1.0
python version: 2.4.4

Are you using the last pylint/astng versions ?

Cheers,
-- 
Adrien Di Mascio                                LOGILAB, Paris (France).
Formations Python,Zope,Debian,Calcul    http://www.logilab.fr/formations
Développement logiciel sur mesure:      http://www.logilab.fr/services
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