> On Aug 7, 2020, at 5:31 PM, David Kastrup <d...@gnu.org> wrote:
>
> Stanton Sanderson <stans...@gmail.com> writes:
>
>>> On Aug 7, 2020, at 3:31 PM, David Kastrup <d...@gnu.org> wrote:
>>>
>>> Stanton Sanderson <stans...@gmail.com> writes:
>>>
>>>> I have had no response to my previous post, so I will try again.
>>>>
>>>> On Mac OS 10.14.6 (Mojave), running LilyPond directly from the application
>>>> and using Update Syntax” from the “Compile” menu, applying it to the
>>>> “Welcome to Lilypond” file after renaming it “test 1.ly”, the following
>>>> error message is produced:
>>>>
>>>> ---------
>>>> Traceback (most recent call last):
>>>> File
>>>> "/Applications/LilyPond_2.21.4..app/Contents/Resources/bin/convert-ly",
>>>> line 86, in <module>
>>>> import convertrules
>>>> File
>>>> "/Applications/LilyPond_2.21.4..app/Contents/Resources/share/lilypond/current/python/convertrules.py",
>>>> line 26, in <module>
>>>> import lilylib
>>>> File
>>>> "/Applications/LilyPond_2.21.4..app/Contents/Resources/share/lilypond/current/python/lilylib.py",
>>>> line 30, in <module>
>>>> sys.stdin = codecs.getreader('utf8')(sys.stdin.detach())
>>>> AttributeError: 'file' object has no attribute ‘detach'
>>>> ————
>>>>
>>>> I saw the same behavior with 2.21.1 and 2.21.3 when I attempted to update
>>>> older files.
>>>>
>>>> What am I missing?
>>>
>>> A recent enough version of Python? Can you figure out what Python
>>> version is used by your installation?
>>>
>>> --
>>> David Kastrup
>>
>> David,
>>
>> Thanks for responding. The Lilypond 2.21.4 app contains:
>>
>> Lilypond.app->Contents->Frameworks->Python framework->Versions->2.6
>>
>> However, the system installed version is later-
>>
>> MacBook-Air:~ (me)$ python --version
>> Python 2.7.16
>> MacBook-Air:~ (me)$ which python
>> /usr/bin/python
>>
>> I thought Lilypond.app was “self contained” in the sense of providing
>> the necessary binaries.
>
> Well, depends on who creates the app. LilyPond 2.21.4 will require
> using a Python 3 variant if I am not mistaken, so it may be that the
> application bundle was not assembled properly. This is a recent change,
> maybe the creators have not caught up?
>
> --
> David Kastrup
David,
Thanks for your time and the explanation. I tend to approach these things with
“what am I doing wrong,” and any evidence to the contrary is always welcome.
Regards,
Stan
