inheritance pythom

example.py

class Base:
  templates = {}
  def register(self, register):
    self.templates.update(register)
    
  def do_something():
    for tpl in self.templates.values():
      print "Perhaps access the object here? I.e"
      # I don't really like this, which led me to question it.
      instance = self.templates[tpl]()
  
class ExtensionOne(Base)
  def __init__():
    TropoBuilder = TropoBuild()
    TropoBuilder.register({'Nat': Nat})