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

[Dag Odenhall]

Sorry for the spam, but here's Reunion exported from the latest MuseScore
into non-compressed MusicXML 3.0, validated against the DTD and the XSD
with no errors, and pretty-printed. It gives the same traceback with
musicxml2ly.

On Wed, Jun 15, 2016 at 4:10 PM, Dag Odenhall <address@hidden>
wrote:

> 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.xml
Description: Text Data