Pygame：未检测到键盘事件（在Catalina Update Mac之后）

Question

我正在尝试使用python和pygame运行下面的代码，我尝试了很多事情，但是我可以找到该程序检测键盘（箭头）事件的解决方案...而且我开始认为它与Mac OS的Catalina更新。在更新之前，此代码可以正常工作……我想这与Python / Terminal之间的“可访问性”以及我授予这两个应用程序的权限有关，但我找不到能够解决的确切“权限”问题...

有人有想法吗？ :)

# coding=utf-8

# imports the Pygame library
import pygame


def main():
    # initializes Pygame
    pygame.init()

    # sets the window title
    pygame.display.set_caption(u'Keyboard events')

    # sets the window size
    pygame.display.set_mode((400, 400))

    # infinite loop
    while True:
        # gets a single event from the event queue
#        event = pygame.event.wait()
        pygame.event.pump()

        # if the 'close' button of the window is pressed
        if event.type == pygame.QUIT:
            # stops the application
            break

        # captures the 'KEYDOWN' and 'KEYUP' events
        if event.type in (pygame.KEYDOWN, pygame.KEYUP):
            # gets the key name
            key_name = pygame.key.name(event.key)

            # converts to uppercase the key name
            key_name = key_name.upper()

            # if any key is pressed
            if event.type == pygame.KEYDOWN:
                # prints on the console the key pressed
                print("{} key pressed".format(key_name))

            # if any key is released
            elif event.type == pygame.KEYUP:
                # prints on the console the released key
                print("{} key released".format(key_name))

    # finalizes Pygame
    pygame.quit()


if __name__ == '__main__':
    main()

Answer 1

pygame.event.pump（）是当您不想对该事件做任何事情时的调用。如果要处理键盘事件，请使用for循环。例如：

for event in pygame.event.get():
    if event.type == pygame.QUIT:
        break

    elif event.type == pygame.KEYDOWN:
        print(f"{event.key} key pressed")

我不确定您的代码以前如何工作。