https://bugzilla.redhat.com/show_bug.cgi?id=1631922
--- Comment #11 from Marcel Plch <mplch(a)redhat.com> ---
I was able to get quite far, but I have problems getting to the problem itself.
This will bring you to the point just before the first attribute error:
---------------
$ gdb blender
(gdb) br bpy_rna.c:7416
(gdb) r
---------------
What is failing here:
Blender initializes the python _bpy module (seemingly) without any problems. It
then imports the public bpy module (python layer) as a sanity check.
This import triggers registration of python-ized blender types. The
registration fails because it expects the type to have some attribute it
doesn't have.
This is very hard to debug because something fails silently here and the
registrations are scattered all over the code.
My suggestions what is going on:
*SOMEWHERE* in the code, some incompatibility occurs and
1. ... mangles flag that states if the attribute is optional.
2. ... mangles attribute that is being looked up.
3. Something totally different.
I suggest working with upstream, because this problem requires good knowledge
of both python and blender internals.
I need to pay attention to other matters now.
I'll hopefully be able to get back to this soon.
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