Re: lilypond-book V2.22.0 hanging on Windows 10

[David Wright]

On Tue 12 Jan 2021 at 11:21:40 (-0500), Daniel Connors wrote:
> I am trying to embed a music engraving in a LaTeX document and am following
> the example given at
> https://lilypond.org/doc/v2.19/Documentation/usage/an-example-of-a-musicological-document.
> My example is a bit simpler than what is given in the documentation.  I
> have named this file lilylatexly.lytex
> -----------------------
> 
> \documentclass[a4paper]{article}
> 
> \begin{document}
> 
> Documents for \verb+lilypond-book+ may freely mix music and text.
> For example,
> 
> \begin{lilypond}
> \relative c' {
>   c2 e2 \tuplet 3/2 { f8 a b } a2 e4
> }
> \end{lilypond}
> 
> Options are put in brackets.
> 
> \begin{lilypond}[fragment,quote,staffsize=26,verbatim]
>   c'4 f16
> \end{lilypond}
> 
> \end{document}
> 
> -----------------------------
> 
> When I run the lilypond-book python script to process the .lytex file, the
> process starts, then hands and I get this python error traceback when I
> kill the process with Ctrl-C:
> 
> c:\Labs>lilypond-book --output=out --pdf lilylatexly.lytex
> lilypond-book.py (GNU LilyPond) 2.22.0
> Reading `c:\Labs\lilylatexly.lytex'
> Running `pdflatex' on file
> `C:\Users\XXXXX~1\AppData\Local\Temp\tmphrkt8nkt.tex' to detect default
> page settings.
> 
> Traceback (most recent call last):
>   File "C:\Program Files (x86)\LilyPond\usr\bin\lilypond-book.py", line
> 820, in <module>
>     main()
>   File "C:\Program Files (x86)\LilyPond\usr\bin\lilypond-book.py", line
> 798, in main
>     chunks = do_file(files[0])
>   File "C:\Program Files (x86)\LilyPond\usr\bin\lilypond-book.py", line
> 600, in do_file
>     global_options.formatter.init_default_snippet_options(source)
>   File "C:\Program Files
> (x86)\LilyPond\usr\share\lilypond\current\python\book_base.py", line 173,
> in init_default_snippet_options
>     line_width = self.get_line_width(source)
>   File "C:\Program Files
> (x86)\LilyPond\usr\share\lilypond\current\python\book_latex.py", line 314,
> in get_line_width
>     textwidth = get_latex_textwidth(source, self.global_options)
>   File "C:\Program Files
> (x86)\LilyPond\usr\share\lilypond\current\python\book_latex.py", line 247,
> in get_latex_textwidth
>     (parameter_string, error_string) = proc.communicate()
>   File
> "C:\Users\XXXXX\AppData\Local\Programs\Python\Python37\lib\subprocess.py",
> line 920, in communicate
>     stdout, stderr = self._communicate(input, endtime, timeout)
>   File
> "C:\Users\XXXXX\AppData\Local\Programs\Python\Python37\lib\subprocess.py",
> line 1244, in _communicate
>     self.stdout_thread.join(self._remaining_time(endtime))
>   File
> "C:\Users\XXXX\AppData\Local\Programs\Python\Python37\lib\threading.py",
> line 1032, in join
>     self._wait_for_tstate_lock()
>   File
> "C:\Users\XXXXX\AppData\Local\Programs\Python\Python37\lib\threading.py",
> line 1048, in _wait_for_tstate_lock
>     elif lock.acquire(block, timeout):
> KeyboardInterrupt
> -----------------------------------
> NOTES:
> (1) I am running python 3.7;  I don't have any versions of python 2.X on my
> PC.  I had seen in discussion threads that I needed to have a newer version
> of lilypond so that python 3 would work with the lilypond-book python
> scripts.  I removed my older version of lilypond and now have V2.22.0
> installed.
> 
> (2) I had to rename lilypond-book to lilypond-book.py so that Windows 10
> recognized it as a python script.
> 
> (3) This example works fine with my linux installation of lilypond 2.22.0.
> 
> (4) From the python traceback there is some locking going on.  I don't know
> if this is some problem with write access to files?  Do I need to invoke
> the script with ADMIN privileges?

You appear to be running on Windows. A common problem is that Windows
doesn't let you write to a file that another application has open.
So make sure you close out.pdf before you run lilypond-book.
(I don't *think* you have to delete it as well.)

Cheers,
David.