def oper2powerboat(): dsn = app.config['dsn'] page = PowerBoat(dsn) if request.method == 'GET': return page.disp_second() elif 'Join1' in request.form: return page.join1() elif 'Join2' in request.form: return page.join2() elif 'LJoin' in request.form: return page.Ljoin() elif 'RJoin' in request.form: return page.Rjoin() elif 'FJoin' in request.form: return page.Fjoin() elif 'Union' in request.form: return page.union() elif 'Intersect' in request.form: return page.intersect() elif 'Minus' in request.form: return page.minus() elif 'Best' in request.form: return page.best()