def compute_output(self, output_module, configuration):
        raise NotImplementedError("Subclass of OutputMode should implement "
                                  "this")

# Ideally, these are globally and locally configurable so that we use
# global settings if nothing is set locally (e.g. output directory)
get_subforms() -> An iterator over (name, subform)
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/core/modules/output_modules.py/OutputMode.compute_output--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/src/desktop/lib/django_forms.py/MultiForm.get_subforms