Import sage python module

asked 2010-12-19 13:51:53 +0100

charettes
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Hi!

I've been trying to setup sagemath in order to use the sage python module by importing it in an other python project. I'm trying to get the same thing that i get when calling:

./sage -python

Is there a deployment script/python egg that install the module in dist-package? Is there a folder i can add to my python path?

So far I downloaded the "sage-4.6-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux.tar.lzma" version and unpacked it to "/opt/sage" while changing sure to update the "SAGE_ROOT" in /opt/sage.

I know there must be a way to do so because FAQ mentions it. Python 2.6 is already bundled with my machine so i guess all I have to do is add a folder to my python path?

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answered 2010-12-21 18:51:32 +0100

Felix Lawrence
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I don't think that this is really possible at present - an mostly uninformed guess is that anything relying on an spkg or external programs would break. If you want to try it anyway, maybe set SAGE_ROOT as devel/sage/build/ (since that's the built version of the code).

There's a thread on sage-devel that might be useful.

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A better location for the built version is SAGE_ROOT/local/lib/python/site-libraries/sage. Adding SAGE_ROOT/local/lib/python/site-libraries to your PYTHON_PATH helps, but doesn't fix the problem altogether.

John Palmieri ( 2010-12-21 21:38:53 +0100 )edit

Thank you very much i'll have a look at this thread :)

charettes ( 2011-01-02 10:30:30 +0100 )edit

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answered 2010-12-20 11:24:42 +0100

charettes
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I tried "cd" to SAGE_ROOT/devel/sage did the following.

Python 2.6.6 (r266:84292, Sep 15 2010, 16:22:56) 
[GCC 4.4.5] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
>>> os.environ['SAGE_ROOT'] = '/opt/sage'
>>> from sage.all import *
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "sage/all.py", line 56, in <module>
    from sage.rings.memory import pmem_malloc
ImportError: No module named memory

I'm stuck to this, any idea why i get this error while running sage from the console and netbook works fine?

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