{
  lib,
  newScope,
  python3,
  recurseIntoAttrs,
}:
# Take packages from self first, then python.pkgs (and secondarily pkgs)
lib.makeScope (self: newScope (self.python.pkgs // self)) (self: {
  python = python3;

  buildbot-pkg = self.callPackage ./pkg.nix { };

  buildbot-worker = self.callPackage ./worker.nix { };

  buildbot = self.callPackage ./master.nix { };

  buildbot-plugins = recurseIntoAttrs (self.callPackage ./plugins.nix { });

  buildbot-ui = self.buildbot.withPlugins (with self.buildbot-plugins; [ www ]);

  buildbot-full = self.buildbot.withPlugins (
    with self.buildbot-plugins;
    [
      www
      console-view
      waterfall-view
      grid-view
      wsgi-dashboards
      badges
    ]
  );
})