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python import module question

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  python import module question syed khalid <syedk@pacificloud.com> - 2013-07-27 16:15 -0700
    Re: python import module question Chris Angelico <rosuav@gmail.com> - 2013-07-28 00:33 +0100
    Re: python import module question Peter Otten <__peter__@web.de> - 2013-07-28 10:44 +0200

#51375 — python import module question

I am trying to do a "import shogun" in my python script. I can invoke shogun with a command line with no problem. But I cannot with a python import statement.

>>>>>invoking python from a command line...........

Syedk@syedk-ThinkPad-T410:~/shogun-2.0.0/src/interfaces/cmdline_static$ shogun | more
libshogun (i686/v2.0.0_9c8012f_2012-09-04_09:08_164102447)

Copyright (C) 1999-2009 Fraunhofer Institute FIRST
Copyright (C) 1999-2011 Max Planck Society
Copyright (C) 2009-2011 Berlin Institute of Technology
Copyright (C) 2012 Soeren Sonnenburg, Sergey Lisitsyn, Heiko Strathmann
Written   (W) 1999-2012 Soeren Sonnenburg, Gunnar Raetsch et al.

( configure options: "configure options --interfaces=python_static" compile flag
s: "-fPIC -g -Wall -Wno-unused-parameter -Wformat -Wformat-security -Wparenthese
s -Wshadow -Wno-deprecated -O9 -fexpensive-optimizations -frerun-cse-after-loop
-fcse-follow-jumps -finline-functions -fschedule-insns2 -fthread-jumps -fforce-a
ddr -fstrength-reduce -funroll-loops -march=native -mtune=native -pthread" link
flags: " -Xlinker --no-undefined" )
( seeding random number generator with 3656470784 (seed size 256))
determined range for x in log(1+exp(-x)) is:37 )

>>>Trying to call python from a script in the same directory where I invoked the shogun from a command linesyedk@syedk-ThinkPad-T410:~/shogun-2.0.0/src/interfaces/cmdline_static$ python
Python 2.7.3 (default, Apr 10 2013, 05:46:21)
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import shogun
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named shogun
>>>



Regards

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#51376

On Sun, Jul 28, 2013 at 12:15 AM, syed khalid <syedk@pacificloud.com> wrote:
> Syedk@syedk-ThinkPad-T410:~/shogun-2.0.0/src/interfaces/cmdline_static$ shogun | more

This implies that you have something called 'shogun', without an
extension, in your $PATH. Where is the actual script? You may need to
install it by a quite different method, to make it available in
Python.

ChrisA

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#51381

syed khalid wrote:

> I am trying to do a "import shogun" in my python script. I can invoke
> shogun with a command line with no problem. But I cannot with a python
> import statement.
> 
>>>>>>invoking python from a command line...........
> 
> Syedk@syedk-ThinkPad-T410:~/shogun-2.0.0/src/interfaces/cmdline_static$
> shogun | more libshogun (i686/v2.0.0_9c8012f_2012-09-04_09:08_164102447)
> 
> Copyright (C) 1999-2009 Fraunhofer Institute FIRST
> Copyright (C) 1999-2011 Max Planck Society
> Copyright (C) 2009-2011 Berlin Institute of Technology
> Copyright (C) 2012 Soeren Sonnenburg, Sergey Lisitsyn, Heiko Strathmann
> Written   (W) 1999-2012 Soeren Sonnenburg, Gunnar Raetsch et al.
> 
> ( configure options: "configure options --interfaces=python_static"
> compile flag s: "-fPIC -g -Wall -Wno-unused-parameter -Wformat
> -Wformat-security -Wparenthese s -Wshadow -Wno-deprecated -O9
> -fexpensive-optimizations -frerun-cse-after-loop -fcse-follow-jumps
> -finline-functions -fschedule-insns2 -fthread-jumps -fforce-a ddr
> -fstrength-reduce -funroll-loops -march=native -mtune=native -pthread"
> link flags: " -Xlinker --no-undefined" ) ( seeding random number generator
> with 3656470784 (seed size 256)) determined range for x in log(1+exp(-x))
> is:37 )
> 
>>>>Trying to call python from a script in the same directory where I
>>>>invoked the shogun from a command
>>>>linesyedk@syedk-ThinkPad-
T410:~/shogun-2.0.0/src/interfaces/cmdline_static$
>>>>python
> Python 2.7.3 (default, Apr 10 2013, 05:46:21)
> [GCC 4.6.3] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import shogun
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> ImportError: No module named shogun

Poking around a bit on the project's website

http://shogun-toolbox.org/doc/en/2.0.1/interfaces.html

 it looks like you are trying to use their "modular" interface when you have 
only installed the "static" one. I'm guessing that

>>> import sg

will work.

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