An example of dynamic dispatch.

dynamic-lookup.py

class User(Controller):
    def __init__(self, id):
        self.id = id
    
    def index(self):
        return 'mypkg.views.user', dict(id=self.id)
    
    def method(self):
        return 'mypkg.views.method', dict(id=self.id)


class Users(Controller):
    def index(self):
        return 'mypkg.views.users', dict(...)
    
    def __lookup__(self, id, *remainder, **args):
        return User(id), remainder


class Root(Controller):
    users = Users()
    
    def index(self):
        return 'mypkg.views.root', dict()
    
    def action(self):
        return ...