How to import playlists from Rhythmbox into Banshee?
Solution 1:
The ~/.local/share/rhythmbox playlists are on a playlists.xml file. I think Banshee can't import .xml files, but .pls files, wich are the default Rhythbox playlists format when you SAVE them.
So I believe you have to install Rhythmbox, save every playlist and then, import them from Banshee. I might be wrong, but I think it's the only option.
Solution 2:
You need to export your playlist from Rhythmbox to a file (in .m3u or .pls format) before you can import this file in Banshee.