Re: musicxml2ly: AttributeError: PartGroupInfo instance has no attribute 'set_part_information'

[Dag Odenhall]

Attaching the MusicXML file, since musescore.com requires an account for
downloads.

Copyright © 2012 Marc Sabatella
Licensed under the Creative Commons Attribution 3.0 License

On Tue, Jun 14, 2016 at 7:12 PM, Dag Odenhall <address@hidden>
wrote:

> Sorry, I utterly failed to mention that I'm on LilyPond 2.19.43. Tested
> both with the binaries from the website and the Fedora 23 package.
>
> On Tue, Jun 14, 2016 at 7:11 PM, Dag Odenhall <address@hidden>
> wrote:
>
>> Hello list,
>>
>> I get this traceback trying to convert the Reunion demo score from
>> MuseScore:
>>
>> musicxml2ly: Reading MusicXML from Reunion.xml ...
>> musicxml2ly: Converting to LilyPond expressions...
>> musicxml2ly: Converting to LilyPond expressions...
>> musicxml2ly: Converting to LilyPond expressions...
>> musicxml2ly: Converting to LilyPond expressions...
>> musicxml2ly: Converting to LilyPond expressions...
>> musicxml2ly: Converting to LilyPond expressions...
>> Traceback (most recent call last):
>>   File "/usr/bin/musicxml2ly", line 2986, in <module>
>>     main()
>>   File "/usr/bin/musicxml2ly", line 2981, in main
>>     voices = convert (filename, options)
>>   File "/usr/bin/musicxml2ly", line 2896, in convert
>>     update_score_setup (score, part_list, voices)
>>   File "/usr/bin/musicxml2ly", line 2794, in update_score_setup
>>     score_structure.set_part_information (part_id, staves_info)
>>   File "/usr/share/lilypond/2.19.43/python/musicexp.py", line 1941, in
>> set_part_information
>>     self.contents.set_part_information (part_id, staves_info)
>>   File "/usr/share/lilypond/2.19.43/python/musicexp.py", line 1780, in
>> set_part_information
>>     c.set_part_information (part_name, staves_info)
>> AttributeError: PartGroupInfo instance has no attribute
>> 'set_part_information'
>>
>> The MusicXML file is available here:
>> https://musescore.com/marcsabatella/reunion
>>
>> I haven't been able to reproduce this myself with a smaller score, but
>> Reunion works if I remove these lines:
>>
>>     <part-group type="start" number="1">
>>       <group-symbol>brace</group-symbol>
>>       </part-group>
>>
>> That bit seems to be redundant anyway in this case according to the
>> MusicXML specification, although it doesn't seem to be wrong either.
>>
>> If I add a stub set_staff_information method to PartGroupInfo it also
>> works but I get this warning instead:
>>
>> musicxml2ly: warning: Unprocessed PartGroupInfo <__main__.PartGroupInfo
>> instance at ...> encountered
>>
>> Maybe this is a bug in the score, or in MuseScore's MusicXML exporter?
>> Even so, musicxml2ly could perhaps handle faulty scores more gracefully
>> than a traceback or obscure warning. It doesn't look like a bug in the XML
>> to me, though. I ran it against the schema and it only complained about
>> something unrelated:
>>
>> The 'dynamics' attribute is invalid - The value '-1.11' is invalid
>> according to its datatype 'non-negative-decimal' - The MinInclusive
>> constraint failed.
>>
>> (which in deed seems to be an error and probably a bug in MuseScore.)
>>
>> Cheers,
>> Dag
>>
>
>

Reunion.mxl
Description: application/vnd.recordare.musicxml