如何跳出从另一个按钮单击按钮时启动的for循环

stop_flag = False

def button2_click():
    global stop_flag
    stop_flag = True

def button1_click():
    for i in range(10):
        if stop_flag:
            break
        # 循环操作

class BreakLoopException(Exception):
    pass

def button2_click():
    raise BreakLoopException()

def button1_click():
    try:
        for i in range(10):
            # 循环操作
            pass
    except BreakLoopException:
        pass