回答編集履歴
2
変更！
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@@ -19,8 +19,8 @@
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super().__init__(root)
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self.executor = ThreadPoolExecutor()
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self.pack()
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self.
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self.btn_task = tk.Button(self, text='task', command=self.task)
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self.
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self.btn_task.pack()
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def task(self):
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seconds = randint(0, 10)
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1
ThreadPoolExecutorのサンプルを記載。
answer
CHANGED
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@@ -1,2 +1,48 @@
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1
1
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過去に回答したスレッドを使ったサンプルへのリンクを投下しておきます。
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-
[Python/tkinterのフォームでメニューにより内容を消したり点けたりしたい](https://teratail.com/questions/111565)
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2
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[Python/tkinterのフォームでメニューにより内容を消したり点けたりしたい](https://teratail.com/questions/111565)
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---
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5
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スレッド生成のコストを気にしてらっしゃるみたいなので、`ThreadPoolExecutor`を使ったサンプルを記載します。
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```Python
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8
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# -*- coding: utf-8 -*-
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9
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from concurrent.futures import ThreadPoolExecutor, Future, as_completed
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from contextlib import closing
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from threading import current_thread, get_ident
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from time import sleep
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from random import randint
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import tkinter as tk
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class MyFrame(tk.Frame):
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def __init__(self, root):
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super().__init__(root)
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self.executor = ThreadPoolExecutor()
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self.pack()
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self.task = tk.Button(self, text='task', command=self.task)
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self.task.pack()
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def task(self):
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seconds = randint(0, 10)
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self.executor.submit(self.hardtask, seconds)
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def hardtask(self, seconds):
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print(f'tid:{get_ident()}, {current_thread().getName()}, {seconds}')
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sleep(seconds)
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def close(self):
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self.executor.shutdown(wait=False)
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def main() ->None:
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root = tk.Tk()
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root.title("ThreadPoolExecutor")
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root.geometry("400x200")
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with closing(MyFrame(root)) as f:
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root.mainloop()
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if __name__ == '__main__':
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main()
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48
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```
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