Indeed. It's just never been publicized and personally I think the implementation could be better. Although with so many stars on this repo now I plan on maintaining it for the foreseeable future. Start adding feature requests everyone! :)

PS: They also don't even use their own library in their code examples so I don't think they meant it to be used in that fashion.

That would be great – it's always good to have some competition ;)

Regarding feature requests I'd love to see a well-maintained B2 Django Storage. I'm currently using an existing implementation, but it's not that well maintained:

https://github.com/royendgel/django-backblazeb2-storage

I saw that one. I'm not a particular fan of Django but integrating my library apart from Django's storage library wouldn't be difficult. Neither would be building a django library on top of mine. Any takers? :)