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Re: XML to .ly and Lilypond, again


From: Robert Blackstone
Subject: Re: XML to .ly and Lilypond, again
Date: Sun, 14 May 2017 12:42:03 +0200

Hi Leszek, 

Out of curiosity I downloaded and processed the Kyrie.xml, from the link you attached to your post of 12-05-17. 
I was curious in particular because I mostly use the same procedure for engraving with LilyPond as you do, starting with Finale, except that I'm on a Mac (OSX 10.9.5 also known as Mavericks).
So I imported your file in Frescobaldi, and then copied and pasted it in TeXShop, my favourite editor, which processed your file without any problem (both with LilyPond version 2.18.2 and 2.19.58.1). 

You can find the results here: 


So apparently for a Mac there is nothing wrong, neither with your xml-file nor with recent musicxml2ly.
It may be of litte help to you (as  long as you stay on Windows ;-)) but it could perhaps help you in narrowing down the search for the source of trouble in your system.

Best regards

Robert Blackstone




On 12 May 2017, at 13:42 , Leszek Wroński <address@hidden> wrote:

Dear Guys,

first, thank you very much for the replies!

Second, for a little bit of detective work. I have not updated my
Finale in years, so if it produced correct XML files in the past, it
should do the same now (I always write using a similar really basic
setup, since actual editing is to be done in Lilypond). Anyway, I
tracked down an XML file which converted correctly in 2.19.5. I wanted
to check whether I would get the 'lots of null characters' problem
currently. To my surprise, I didn't even get to that part. Musicxml2ly
gave me the following:

----------------------------------------------
musicxml2ly: Reading MusicXML from Kyrie.xml ...
musicxml2ly: Converting to LilyPond expressions...
(.....)
musicxml2ly: Output to `Kyrie.ly'
Traceback (most recent call last):
 File "/home/leszek/lilypond/usr/bin/musicxml2ly", line 3269, in ?
   main()
 File "/home/leszek/lilypond/usr/bin/musicxml2ly", line 3263, in main
   voices = convert(filename, options)
 File "/home/leszek/lilypond/usr/bin/musicxml2ly", line 3175, in convert
   score_information.print_ly(printer)
 File "/home/leszek/lilypond/usr/share/lilypond/current/python/musicexp.py",
line 855, in print_ly
   self.format_header_strings(k, v, printer)
 File "/home/leszek/lilypond/usr/share/lilypond/current/python/musicexp.py",
line 848, in format_header_strings
   printer.newline()
 File "/home/leszek/lilypond/usr/share/lilypond/current/python/musicexp.py",
line 123, in newline
   self._file.write (self._line + '\n')
 File "/home/leszek/lilypond/usr/lib/python2.4/codecs.py", line 501, in write
   return self.writer.write(data)
 File "/home/leszek/lilypond/usr/lib/python2.4/codecs.py", line 178, in write
   data, consumed = self.encode(object, self.errors)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa9 in position
19: unexpected code byte
------------------------------------------------

(Isn't '0xa9' the copyright character? ;))

The XML file, if someone wants to take a peek, is here:
https://www.dropbox.com/s/1dnv1hthyp7ss5h/Kyrie.xml?dl=0

Unfortunately it seems I do not have an XML file about which I could
be sure that it converted correctly using a version of Lilypond newer
than 2.19.5. Anyway, since one and the same XML file stopped
converting correctly, it indeed seems that in the meantime some
encoding issues have been introduced to musicxml2ly (I'm using 2.19.48
now).

If you think I could be of any additional help (well, not sure this
was helpful at all, but I'm trying ;)), please tell me what info I
should provide.

Cheers and thank you again,

Leszek.

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