On Tue, Oct 16, 2012 at 11:10 AM, Legault, Alain <
[email protected]> wrote:
> Hello François,
>
> Thanks for the pointer. The explicit import solved one problem.
>
> Unfortunately, Py2exe had more surprises in store for us.
>
> Py2exe will compile the following source
>
> from sklearn.utils import weight_vector
> from sklearn.decomposition import PCA
> Pass
>
> But the exe will crash with
>
> Traceback (most recent call last):
> File "exe.py", line 3, in <module>
> File "zipextimporter.pyo", line 82, in load_module
> File "sklearn\decomposition\__init__.pyo", line 8, in <module>
> File "zipextimporter.pyo", line 82, in load_module
> File "sklearn\decomposition\pca.pyo", line 302, in <module>
> File "sklearn\decomposition\pca.pyo", line 304, in ProbabilisticPCA
> TypeError: unsupported operand type(s) for +=: 'NoneType' and 'NoneType'
>
> So the offendinbg lines (to py2exe) in PCA are
>
>
> 302 class ProbabilisticPCA(PCA):
> 303 """Additional layer on top of PCA that adds a probabilistic
> evaluation"""
> 304 __doc__ += PCA.__doc__
>
> Seems py2exe can't stomach line 304.
>
> Commenting 304 out (innocuous enough I think) makes the thing fly :-)))
>
This could be because you used:
"optimize": 1
in your setup.py. That may remove the docstrings.
>
> Thanks again for the pointer
>
>
>
> Dr Alain Legault
>
> scientifique sénior | senior scientist
>
> Groupe Optimisation des Procédés Industriels | Industrial Systems
> Optimization Group
>
> CanmetÉNERGIE | CanmetENERGY
> Ressources naturelles Canada | Natural Resources Canada
> 1615 Lionel-Boulet, C.P. 4800, Varennes, Qc J3X 1S6
>
>
>
> [email protected]
> Téléphone | Telephone +1-450-652-7031
>
> Télécopieur | Facsimile +1-450-652-5918
>
>
>
> Gouvernement du Canada | Government of Canada
>
> www.canmetenergie.rncan.gc.ca | www.canmetenergy.nrcan.gc.ca
>
>
> -----Original Message-----
> From: François Deheeger [mailto:[email protected]]
> Sent: Thursday, October 11, 2012 7:51 AM
> To: [email protected]
> Subject: Re: [Scikit-learn-general] Sklearn and PY2exe
>
> Hello,
>
> i recently have this kind of problem using pyinstaller (another packaging
> tool.. but things should not be so different). They call this hidden
> imports problem and I fixed this by adding explicit imports in the main
> file :
>
> # pyinstaller hidden imports
> from sklearn.utils import weight_vector
> from sklearn.decomposition import PCA, FastICA from sklearn.pls import
> PLSRegression
>
> With those lines, i succeeded in making a stand-alone app that uses
> sklearn (and more).
>
>
> Many modules have some hidden imports problems (hidden means 'my packaging
> tool do not see it'). To solve this in pyinstaller they use 'hook files'
> for standard modules. One day i may try to make one... I think that sklearn
> deserves to get one !
>
> Hope it helps.
>
>
>
> 2012/10/11 Olivier Grisel <[email protected]>:
> > Apparently this is a known issue of py2exe with cython modules:
> >
> > http://www.digipedia.pl/usenet/thread/15906/9309/
> >
> > Try adding the missing cython modules explicitly in your includes to
> > see if make it possible to workaround the py2exe dependency detection
> > limitations.
> >
> > --
> > Olivier
> >
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>
> --
>
> François Deheeger
>
>
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