code: def Facade( some_instance=None, exclusion_list=[], cls=None, args=tuple(), kwargs={}  ):
      
      if not USE_CALIENDO or should_exclude( some_instance, exclusion_list ):
          if not util.is_primitive(some_instance):
              # Provide dummy methods to prevent errors in implementations dependent
              # on the Wrapper interface
              some_instance.wrapper__unwrap = lambda : None
              some_instance.wrapper__delete_last_cached = lambda : None
          return some_instance # Just give it back.
      else:
          if util.is_primitive(some_instance) and not cls:
              return some_instance
          return Wrapper(o=some_instance, exclusion_list=list(exclusion_list), cls=cls, args=args, kwargs=kwargs )
docs: Top-level interface to the Facade functionality. Determines what to return when passed arbitrary objects.
  
      :param mixed some_instance: Anything.
      :param list exclusion_list: The list of types NOT to wrap
      :param class cls: The class definition for the object being mocked
      :param tuple args: The arguments for the class definition to return the desired instance
      :param dict kwargs: The keywork arguments for the class definition to return the desired instance
  
      :rtype instance: Either the instance passed or an instance of the Wrapper wrapping the instance passed.