PyVISA

Manatee markrrivet at aol.com
Fri Apr 1 21:40:23 CEST 2011


On Apr 1, 2:05 pm, "Günther Dietrich" <gd.use... at spamfence.net> wrote:
> Manatee <markrri... at aol.com> wrote:
> >I have unpacked the PyVISA files into the Python/lib/site-packages dir
> >and from the IDLE GUI I get and error
>
> >import visa
>
> >Traceback (most recent call last):
> >  File "<pyshell#25>", line 1, in <module>
> >    import visa
> >ImportError: No module named visa
>
> >There must be more to just putting the files in the correct directory.
>
> Yes, there is more:
>
> - DON'T unpack the files into any site-packages folder. If you already
>   have done it, remove them.
> - Unpack the PyVISA archive to any other folder.
> - On the command line, change into the PyVISA folder. There you should
>   find - among others - the two files setup.py and setup.cfg (at least
>   if you use PyVISA-1.3.tar.gz).
> - Now, it depends on what variant of python you use and want to install
>   PyVISA for and on the configuration of your PYTHONPATH rsp. sys.path
>   and the folders they point to.
>   You can simply try: 'sudo python ./setup install'
>   If you are lucky, that's it. If not, you have to decide, where the
>   installation script has to put the files to. For example, for my
>   python 2.6, I chose
>   '/Library/Frameworks/Python.framework/Versions/2.6/'. In this path,
>   there is a folder 'lib/site-packages', which is pointed to by
>   sys.path, and where .pth files are evaluated.
> - Edit the file setup.cfg. Near the end, in section '[install]', you will
>   find the line 'prefix=/usr'. Replace the '/usr' by your chosen path.
> - Save the file and retry the install (see above).
>
> Best regards,
>
>   Günther

Well, ok, I'll try some of that. But I am running window 7, not Linux.
The "sudo" command sounds like Linux.



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