https://www.openstreetmap.org/user/pnorman/diary/401157

The Operations Working Group is looking at what it take to deprecate HTTP Basic Auth and OAuth 1.0a in favour of OAuth 2.0 on the main API in order to improve security and reduce code maintenance.

it seems that it is not happening soon but...

#113 (comment)

the library uses basic auth by default, but by allowing to pass a http session, it should be possible to enable OAuth. If I have a little spare time, I'll trs to come up with some example code. Then we can adapt the library if needed.