def set_frame_range(self, start_frame=1, end_frame=100,
                        adjust_frame_range=False):
        #self._root.knob('first_frame').setValue(start_frame)
        #self._root.knob('last_frame').setValue(end_frame)
        self.comp.SetAttrs(
            {
                "COMPN_GlobalStart": start_frame,
                "COMPN_GlobalEnd": end_frame
            }
        )
sets the start and end frame range
dataset/ETHPy150Open eoyilmaz/anima/anima/env/fusion/__init__.py/Fusion.set_frame_range