def __init__ ( self, model = None, **metadata ):
        super( Controller, self ).__init__( **metadata )
        if model is not None:
            self.model = model
Set up & run a `Publisher`, and return a dictionary of document parts.
dataset/ETHPy150Open enthought/traitsui/traitsui/handler.py/Controller.__init__--crossover with--dataset/ETHPy150Open adieu/allbuttonspressed/docutils/core.py/publish_parts