What about the other pieces?

I understand that the selection of a framework to build something is kind of the first stone: now everything has to be compatible/work nicely with this one big piece you put first.

I am confident that django will have enough plugins, libraries and resources to help me implement my vision. Some of these will include:

For now I am not worrying about those things and focusing on the functionality itself of the app, or what people will call a MVP.