Re: [Denemo-devel] Release 0.8.16 - Gub Status

[Richard Shann]

Thinking about all this I think the one essential thing we must get is
the ability to control the sources that gub uses.
Right now we need to wind back the sources of denemo to the point when
they were working and then look at what has changed.
Richard


On Wed, 2010-03-24 at 18:00 +0000, Richard Shann wrote:
> On Wed, 2010-03-24 at 09:03 +0000, Richard Shann wrote:
> > I have built using the my old gub, and Nils' findings apply to this
> > also: the .pdf file is created with zero length, but lilypond does not
> > start until denemo exits, whereon the .pdf file is populated.
> > So this is *not* a bug caused by Nils' new gub code.
> > It seems the bug is because the code which generates a new name for each
> > print during a denemo session has been disabled. I'll look into it.
> 
> Despite disabling all touching of the output pdf by denemo, the lilypond
> process still refuses it progress beyond getting itself installed in the
> process table (or whatever Windows has - it is in the list of processes
> in the task manager, but does not consume cpu until denemo exits).
> I did the experiment of launching a 0.8.15 in this same environment, ie
> in the installation that I have made from todays sources. That
> executable does not set LilyPond's path, so it has to be set outside,
> but once that is done the lilypond executable does run to completion
> without waiting for denemo to quit.
> I am bemused.
> Richard
> 
> 
> > Richard
> > 
> > On Tue, 2010-03-23 at 21:54 +0000, Richard Shann wrote:
> > > OK I have set all these up and checked the code into git.
> > > One incomplete feature is that the  GUILE_LOAD_PATH is over-written, as
> > > we have to be sure that the denemo scm files are in it. But this would
> > > mean that we would get the newer lilypond scm files if someone had
> > > already set GUILE_LOAD_PATH to an older installation of lilypond and
> > > wished to use it.
> > > LilyPond failing to run until Denemo exits would make sense if Denemo
> > > still had the .ly file open, as windows does file locking (I think). But
> > > why this should show now I can't imagine.
> > > A useful test would be to install LilyPond system wide as well as inside
> > > Denemo and see if the same holds.
> > > Richard
> > > 
> > > 
> > > On Tue, 2010-03-23 at 21:40 +0100, Nils Gey wrote:
> > > > > Actually the push failed, and I will delay while further 
> > > > > investigations
> > > > > take place
> > > > > Richard
> > > > 
> > > > Investigation Complete:
> > > > 
> > > > I finally got all lilypond enviroment variables right to run lilypond 
> > > > standalone and produce a valid pdf file. 
> > > > We need to copy this in Denemo.
> > > > 
> > > > GUILE_LOAD_PATH: 
> > > > ...\denemo\usr\share\guile
> > > > ...\denemo\usr\share\guile\1.8
> > > > ...\denemo\usr\share\lilypond\current\scm //if we build lilypond git, 
> > > > its "current"
> > > > ...\denemo\usr\share\guile
> > > > ...\denemo\usr\share\guile
> > > > 
> > > > PATH:
> > > > ...\denemo\usr\bin
> > > > ...\denemo\usr\lib
> > > > 
> > > > LILYPOND_DATA_PATH 
> > > > ...\denemo\usr\share\lilypond\current\
> > > > 
> > > > LILYPOND_VERBOSE
> > > > 1
> > > > 
> > > > this last one is actually not needed, but may be nice for future 
> > > > testing.
> > > > 
> > > > 
> > > > Problems remain, two are just to inform you, the third is the real one:
> > > > 
> > > > 1)PDFs show up from where path\to\lilypond.exe was invoked. Means: The 
> > > > current working dir.
> > > > 
> > > > 2)Running lilypond from the command line has problems. Maybe backslash\
> > > > escaping problems. 
> > > > janneke: "and no-one uses the command line, apparently ;-)"
> > > > 
> > > > If you place the .ly file to the dir in %PATH% it works. And it works, 
> > > > if you do it with a file association, that means the console it the 
> > > > reason that it does not work (thats why I think its some escaping 
> > > > problem)
> > > > 
> > > > 
> > > > BUT (good news) from within Denemo these last two problems are no 
> > > > problems. The file gets generated and ends in the right place. 
> > > > 
> > > > 3)However the ly/pdf file does not gets processed until Denemo is 
> > > > closed. Don't ask me, I don't know why...
> > > > You see the lilypond terminal open all the time, but nothing happens, 
> > > > and if you quit Denemo the processing begins and the pdf is right there.
> > > > 
> > > > Nils
> > > 
> > > 
> > > 
> > > _______________________________________________
> > > Denemo-devel mailing list
> > > address@hidden
> > > http://lists.gnu.org/mailman/listinfo/denemo-devel
> > 
> > 
> > 
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> 
> 
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