一个大型实体(列表)在一个方法 ( foo) 中创建并绑定到self.result。尝试在第二种方法 ( transmit) 中访问该实体的尝试从某个大小(列表中的 150,000 到 155,000 个字符)开始失败。打印(print self.result)从内部transmit给我留下了无。我想这很重要:self.foo在单独的线程中直接调用。
请帮助。如何在没有这种限制的情况下将这样的“大”实体从单独的线程返回到主线程?
...
    def apply(self):
        self.get_data()
        self.start_foo_thread()
    def start_foo_thread(self):
        self.foo_thread = threading.Thread(target=self.foo)
        self.foo_thread.daemon = True
        self.progressbar.start()
        self.foo_thread.start()
        self.master.after(20, self.check_foo_thread)
    def check_foo_thread(self):
        if self.foo_thread.is_alive():
            self.master.after(20, self.check_foo_thread)
        else:
            self.progressbar.stop()
    def foo(self): 
        s = self.stringinput
        n = self.numberinput
        list = multiply_str_into_list(s, n)
        self.result = list_to_text(list)
        print self.result # output is not None 
    def transmit(self):
        print self.result # output is None for more than about 155,000 characters in the list
        return self.result
def multiply_str_into_list(string, n): #takes a string and multiplies it by n and writes into list
    n_string = []
    for i in range(0,n):
        n_string.append(string)
    return n_string
def list_to_text(list): #takes a list as input and joins it into str with each list item on a new line
    a = '\n'.join(list)
    return a