configure.py assumes "python" command exists

[Scott Kostyshak]

On Wed, Feb 24, 2021 at 01:19:30PM -0500, Scott Kostyshak wrote:
> On Tue, Feb 23, 2021 at 06:40:46PM +0000, José Abílio Matos wrote:
> > On Monday, February 15, 2021 3:25:45 PM WET Scott Kostyshak wrote:
> > > +1
> > > 
> > > Thanks for taking a look, José.
> > > 
> > > Scott
> > 
> > OK. I have lots of issues on hand but at least this is funny. :-)
> > 
> > One option would be to use some kind of string formatting. Actually since 
> > curly braces are usually not used in OS we could use the string format syntax 
> > (that is also used in C++20 format). One example would be:
> > 
> > \converter pdf4   pdf8  "{python} $$s/scripts/convert_pdf.py $$i $$o ebook"...
> > 
> > The lyx could convert internally {python} to the python path. Since lyx 
> > already has this information, or else it would not call configure.py
> > 
> > If you do not like this option one in the same line as the other 
> > interpolations that we apply is to use $${python}.
> > 
> > The other option is to replace this in configure.py like in the following 
> > patch that I have not yet tested.
> > 
> > What do you think?
> 
> Thanks for working on it, José! I don't have an opinion on which
> approach is best. I can test the patch, but first perhaps I'll wait to
> see if others have comments.

Does anyone have an opinion on the options José proposed?

Scott
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