def METHOD_NAME(self):
    hasFace = False
    objBase = list()
    if hasattr(self.obj, "Base"):
        objBase = self.obj.Base
    if objBase.__len__() > 0:
        for (base, subsList) in objBase:
            for sub in subsList:
                if sub[:4] == "Face":
                    hasFace = True
                    break
    if hasFace:
        self.form.processCircles.show()
        self.form.processHoles.show()
        self.form.processPerimeter.show()
    else:
        self.form.processCircles.hide()
        self.form.processHoles.hide()
        self.form.processPerimeter.hide()