IDLE Python -如何让它在按下一个键时循环运行？

Question

我已经创建了一个宏，我想让它在运行py文件时不会发生任何事情，但是当我单击某个键时，if语句会运行while循环，当我再次单击该键时，脚本会暂停。

import time
import keyboard

time.sleep(3)

while True:
    try:
        #slot-1
        pyautogui.press('2')
        pyautogui.click(button= 'left', clicks=1)
        time.sleep(0.1)
        #slot-2
        pyautogui.press('3')
        pyautogui.click(button= 'left', clicks=1)
        time.sleep(0.1)
        #slot-3
        pyautogui.press('4')
        pyautogui.click(button= 'left', clicks=1)
        time.sleep(0.1)
        #slot-4
        pyautogui.press('5')
        pyautogui.click(button= 'left', clicks=1)
        time.sleep(0.1)
        if keyboard.is_pressed('alt'):
            print('Ending Loop')
            break
    except:
        break

Answer 1

要启动循环，可以使用input() (按return / enter直接启动)

要完成此操作，请按ctrl +c并捕获KeyboardInterrupt异常

import time
import keyboard

time.sleep(3)

# press enter to start
input()

# press ctrl + c to finish
while True:
    try:
        #slot-1
        pyautogui.press('2')
        pyautogui.click(button= 'left', clicks=1)
        time.sleep(0.1)
        #slot-2
        pyautogui.press('3')
        pyautogui.click(button= 'left', clicks=1)
        time.sleep(0.1)
        #slot-3
        pyautogui.press('4')
        pyautogui.click(button= 'left', clicks=1)
        time.sleep(0.1)
        #slot-4
        pyautogui.press('5')
        pyautogui.click(button= 'left', clicks=1)
        time.sleep(0.1)
        if keyboard.is_pressed('alt'):
            print('Ending Loop')
            break
    except Exception as e:
        if e == KeyboardInterrupt:
            print('script stopped by user')

Answer 2

为了解决你的问题，我混合使用了线程和全局变量。我还不得不求助于pynput模块，而不是“键盘”。虽然这是一个小的变通方法，但在您的场景中最好的解决方案是使用"async“(异步编程)，以防止阻塞while循环的问题。这些循环将不允许程序的任何其他部分运行。这意味着我们的程序一旦进入while循环，就不能检测到按键。我之所以没有使用async，仅仅是因为我不熟悉它的语法，也不想让这个答案比它应该的更复杂。

import time
import keyboard
import pyautogui
from pynput.keyboard import Key, Listener
import threading
time.sleep(3)

closed = False

def begin_clicks():
    global closed
    while True:
        print(closed)
        if closed:
            break
        try:
            #slot-12
            pyautogui.press('2')
            pyautogui.click(button= 'left', clicks=1)
            time.sleep(0.1)
            #slot-2
            pyautogui.press('3')
            pyautogui.click(button= 'left', clicks=1)
            time.sleep(0.1)
            #slot-33
            pyautogui.press('4')
            pyautogui.click(button= 'left', clicks=1)
            time.sleep(0.1)
            #slot-4
            pyautogui.press('5')
            pyautogui.click(button= 'left', clicks=1)
            time.sleep(0.1)
    
        except:
            pass

thread = None

def on_press(key):
    global closed
    if str(key)[1] == "p":
        closed = False
        threading.Thread(target=begin_clicks).start()
    elif key == Key.alt:
        closed = True
        
        
with Listener(
        on_press=on_press) as listener:
    listener.join()