Re: Import XML fails with python error [Macport LilyPond with Frescobladi]

[Jonas Hahnfeld]

Am Dienstag, dem 12.10.2021 um 16:02 -0400 schrieb Jim Weisbin:
> I was under some pressure to get this working for a client, who was
> unfortunately on Mac OS Catalina. I tried importing xml files with
> many many different combinations of Lilypond and Frescobaldi. The
> only combination I could get to work was with Frescobaldi 3.1.2 and
> an "unofficial" build of Lilypond from this link 
> https://gitlab.com/marnen/lilypond-mac-builder/-
> /releases/v2.20.0.build20200311175017
> (Fresocobaldi 3.1.3 also failed with errors).
> 
> That combination "worked", but there were too many spurious details
> in the output, such as many "stems up" directives that should not
> have been there.
> 
> In the end we were able to get things working on another computer
> running Mojave, with Frescobaldi 3.1.3 and an official build of
> Lilypond version 2.18. Later builds also failed to import musicxml
> files.
> 
> In the end that combo seems to work, but completely fails to import
> lyrics, with no errors reported.
> 
> I'm no Python expert, but I have done a bit of Python programming. I
> tried different versions of Python, but I can see that the Lilypond
> application has a Python executable built in. So does the system's
> Python ever come into play, and if so, why? Does Frescobaldi depend
> on it? Different versions of python on the system seemed to have no
> effect on the output errors.

Yes, official binaries come with a Python interpreter that should also
be used for the script. However, if you install LilyPond from MacPorts,
then it is probably going to use whatever Python is installed next to
it...

Jonas

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