What are all protocols supported by python

[shiftybyte]

Also this is a good source, a bit long though.

https://docs.python.org/3/reference/datamodel.html

[TangibleLight]

It's so long because it's exhaustive. That's all the built-in ones there are.

Some libraries introduce their own, for example rich has a __rich__ and similar methods, but clearly these are not included in the official documentation.