Re: [matplotlib-devel] ghostscript version fix

On Tuesday 30 October 2007 09:33:53 pm Ralf Gommers wrote:
> Hi all,
>
> I just installed mpl on ubuntu gutsy, and got errors after setting
> text.usetex  :  True and ps.usedistiller  :  ghostscript. The problem seems
> to be in checkdep_ghostscript() in __init__.py, specifically the command
> 'gs -v' (should be replaced by 'gs --version').
> For my system I get:
> $ gs -v
> GPL Ghostscript SVN PRE-RELEASE 8.61 (2007-08-02)
> Copyright (C) 2007 Artifex Software, Inc.  All rights reserved.
>
> and:
> $ gs --version
> 8.61
>
> Below I give a modified version of checkdep_ghostscript() that should work
> for all version of ghostscript.
>
> Cheers,
> Ralf
>
>
>
> def checkdep_ghostscript():
>     try:
>         if sys.platform == 'win32':
>             command = 'gswin32c -v'
>         else:
>             command = 'gs --version'
>         stdin, stdout = os.popen4(command)
>         line = stdout.readlines()[0]
>     vtest = '.'.join(line.split('.')[:2]) # deal with version numbers like
> ' 7.07.1'
>     float(vtest)
>         return vtest
>     except (IndexError, ValueError):
>         return None

Thanks for the report. This was already fixed in svn, but not using --version, 
which looks like a better solution. Could someone using AFPL ghostscript let 
us know what is the output of gs --version?

Darren