gistfile1.py

class FormData(object):
    """
    The object with dictionary of data
    """
    data = {}

    def as_dict(self, fields=None, exclude=None, override={}):
        if fields is not None:
            return dict([(f, self.data[f]) for f in fields])

        elif exclude is not None:
            return dict([(f, self.data[f]) for f in self.data if f not in exclude])

        elif override:
            self.data.update(override)

        return self.data