Detect if key was pressed once

Question

I wanted to do an action, as soon as my f key is pressed. The problem is that it spams the action.

import win32api

while True:
    f_keystate = win32         


        

Answer 1

You need a state variable that will keep track of whether the key has been pressed after it's been released.

f_pressed = False

while not f_pressed:
    f_pressed = win32api.GetAsyncKeyState(0x46) < 0

print("Pressed!")

Answer 2

Because in the while loop, when the f key is pressed, GetAsyncKeyState will detect that the f key is always in the pressed state. As a result, the print statement is called repeatedly.

Try the following code, you will get the result you want:

import win32api

while True:
    keystate = win32api.GetAsyncKeyState(0x46)&0x0001
    if keystate > 0:
       print('F pressed!')