Re: [tauruslib-devel] [tauruslib:tickets] #262 Set PLY optimization in build time

[Sergi R. <sr...@ce...>]

I'm in favour of this last solution, having yacctab/lextab generated on 
runtime at user's home. Many of the portability problems we had with 
these files would have been avoided if they were user-specific.

Thanks,

Sergi Rubio


On 02/10/2016 10:12 AM, Carlos Pascual wrote:
>
> I had a look, and this one is tricky...
>
> If you avoid generating the lex/yacc tab files during build time, you 
> end up with an installation that lacks those files in the installation 
> dir. The problem with this is that if the user running a GUI that uses 
> jdraw (i.e. containing a synoptic) does not have write permissions to 
> the installation dir (which is a quite standard situation), she will 
> get the following WARNING:
>
> JDraw Parser: Couldn't create 'taurus.qt.qtgui.graphic.jdraw.jdraw_yacctab'. [Errno 13] Permission denied
>
> This happens *even if the PLY_OPTIMIZE is set to 0 in the 
> tauruscustomsettings* (and if PLY_OPTIMIZE is set to 1, an additional 
> complain occurs for jdraw_lextab)
>
> Proposal: we can change so that the lex/yacc tab files are created 
> only at run time, and only in the home dir (e.g. as 
> ~/.taurus/lextab.py and ~/.taurus/yacctab.py)
>
> ------------------------------------------------------------------------
>
> *[tickets:#262] <http://sourceforge.net/p/tauruslib/tickets/262/> Set 
> PLY optimization in build time*
>
> *Status:* waiting
> *Milestone:* unassigned
> *Labels:* setup PLY
> *Created:* Wed Feb 10, 2016 07:22 AM UTC by Carlos Falcon
> *Last Updated:* Wed Feb 10, 2016 07:22 AM UTC
> *Owner:* nobody
>
> Hi,
> I would like to setup the PLY (lex/tacc) optimization in "build time" 
> . So, Could be possible to add this option in the setup?.
>
> Meanwhile, Could be changed the default mode in the 
> tauruscustomsettings ? Move from Active to disabled.
>
> Thanks,
> C.Falcon
>
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