Customize sprox dropdown menus

movie.py

class Genre(DeclarativeBase):
    __tablename__ = "genres"
    genre_id = Column(Integer, primary_key=True)
    name = Column(String(100))
    description = Column(String(200))

    @property
    def _name(self):
        return '%s (%s)' % (self.name, self.description)

class NewMovieForm(AddRecordForm):
    __model__ = Movie
    __omit_fields__ = ['movie_id', 'genre_id']
    __field_order__ = ['title', 'description', 'genre', 'directors']