def create_output_file(self):
        if self.has_input('outputFormat'):
            s = '.' + self.get_input('outputFormat')
            return self.interpreter.filePool.create_file(suffix=s)
        else:
            return self.interpreter.filePool.create_file(suffix='.png')
Creates a File with the output format given by the outputFormat
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/packages/ImageMagick/init.py/ImageMagick.create_output_file