Mididings may be the only JACK-api MIDI router/filter tool
around; if there is another I'd love to know about it. On the
other hand t was working just dandy until, I think, some changes
to both Python3 and legacy support for Python2. I was using its
Python3 AUR adaptation (mididings-git) under Manjaro, but then
after package upgrades, it began to fail at 'from mididings import
*' (see below). I found similar failures in Ubuntu 20, and found
different failures in both when I tried setting up to use Python2
(which obviously we would rather not be doing). The failure is
similar to a number of failures reported starting with Python
3.10, so this may be related, but I was not able to figure out how
to apply those workarounds to the mididings source, I tried
several different variations, including a number of the different
forks in github.
Thoughts, anyone? I found Pigiron and Jamrouter and puredata,
but none of these appear to do JACK. I'm using pipewire now, so I
could theoretically revise the whole rig around ALSA MIDI, but all
of the apps needing MIDI use JACK, and mididings is so elegant...
J.E.B.
[jeb@newbnr ~]$ python
Python 3.10.1 (main, Dec 18 2021, 23:53:45) [GCC 11.1.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from mididings import *
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python3.10/site-packages/mididings-2.0.0+r26a40db-py3.10- linux-x86_64.egg/mididings/__init__.py", line 15, in <module>
from mididings.engine import run, process_file
File "/usr/lib/python3.10/site-packages/mididings-2.0.0+r26a40db-py3.10-linux-x86_64.egg/mididings/engine.py", line 15, in <module>
import mididings.patch as _patch
File "/usr/lib/python3.10/site-packages/mididings-2.0.0+r26a40db-py3.10- linux-x86_64.egg/mididings/patch.py", line 15, in <module>
import mididings.units as _units
File "/usr/lib/python3.10/site-packages/mididings-2.0.0+r26a40db-py3.10-linux-x86_64.egg/mididings/units/__init__.py", line 14, in <module>
from mididings.units.engine import *
File "/usr/lib/python3.10/site-packages/mididings-2.0.0+r26a40db-py3.10-linux-x86_64.egg/mididings/units/engine.py", line 55, in <module>
def SceneSwitch(number=_constants.EVENT_PROGRAM):
File "/usr/lib/python3.10/site-packages/mididings-2.0.0+r26a40db-py3.10-linux-x86_64.egg/mididings/unitrepr.py", line 46, in composed
return arguments.accept(*constraints, **kwargs) (store(f))
File "/usr/lib/python3.10/site-packages/mididings-2.0.0+r26a40db-py3.10-linux-x86_64.egg/mididings/arguments.py", line 49, in __init__
self.constraints = [_make_constraint(c) for c in constraints]
File "/usr/lib/python3.10/site-packages/mididings-2.0.0+r26a40db-py3.10-linux-x86_64.egg/mididings/arguments.py", line 49, in <listcomp>
self.constraints = [_make_constraint(c) for c in constraints]
File "/usr/lib/python3.10/site-packages/mididings-2.0.0+r26a40db-py3.10-linux-x86_64.egg/mididings/arguments.py", line 160, in _make_constraint
elif isinstance(c, collections.Callable):
AttributeError: module 'collections' has no attribute 'Callable'
>>>
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