D964: python3: add and use adapter for func_name attr, now known as __name__

[indygreg (Gregory Szorc)]

indygreg accepted this revision.
indygreg added a comment.
This revision is now accepted and ready to land.


  Such a brittle pattern. It feels like the names of things should be defined in a decorator or something. But fixing this would be scope bloat and can be punted to another time.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D964

To: durin42, #hg-reviewers, pulkit, indygreg
Cc: indygreg, mercurial-devel