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Adding some *.py files to sagemath notebook?

asked 2013-05-07 13:38:16 -0600

russ_hensel gravatar image

updated 2015-01-14 03:06:35 -0600

FrédéricC gravatar image

Ok I have spent hours going thru online docs for such a simple question but now give up, so now I am asking:

I am running the sage appliance in virtual box ( sage5.1 ) under windows 7.

I have some python file, but no setup.py file for them.

I would like to add them to sage so in the notebook I can import them.

Can anyone tell me where to put them, hopefully without expecting me to know my well very well around linux ( I can copy move make directories, and modify some access rights, but I do not want to learn bash scripting ) If you could give command on a close to cut and paste basis that would be wonderful.

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Do you expect to do this often, like having your own local python module library? Or maybe this is a one-off?

rickhg12hs gravatar imagerickhg12hs ( 2013-05-07 18:16:58 -0600 )edit

not sure, in this case it is a module from a course which does not have an install utility.

russ_hensel gravatar imageruss_hensel ( 2013-05-08 09:48:27 -0600 )edit

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answered 2013-05-07 21:03:57 -0600

rickhg12hs gravatar image

Here's what I usually do:

import sys
sys.path.append('/path/to/my/local/python/files') # move your python files here
import mypythonfile
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Depending on the collection source/purpose/use of the python files, I'll put them in something like /home/myhomedir/sage/mypythonfiles, or in a subdir somewhere under /usr/local or /opt. I steer clear of OS related dirs like /etc, /bin, /usr/lib, /lib, etc., because I don't want to break anything and I don't want to worry about what OS updates might do.

rickhg12hs gravatar imagerickhg12hs ( 2013-05-08 11:11:41 -0600 )edit
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answered 2013-05-08 10:16:33 -0600

russ_hensel gravatar image

updated 2013-05-08 10:17:02 -0600

This is the original poster with an update. Tried both of the above from the notebook after moving the files to /etc/mesa

Neither worked -- then I remembered that linux is full of gotchas so I broke out of the notebook right-ctrl and f1, then logged in as root ( password sage ) and from the command line changed the file rights: chmod uog=rwx -R /etc/mesa

Then I restarted the sage vm. So far it seems to work ( the import sys method, the other may work as well, I will try later. )

Thanks very much.

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answered 2013-05-07 20:21:23 -0600

ppurka gravatar image

This is what I do

import os
os.chdir("/path/to/directory") # /path/to/directory is where my python file is kept
from mypythonfile import *
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Asked: 2013-05-07 13:38:16 -0600

Seen: 423 times

Last updated: May 08 '13