import win32api
import time
 
 
def fast_email_reading_and_delete(vk_code: int) -> None:
    """
    Virtual Key Code reference: https://docs.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes
    """
    print("Running, please switch to the software you are using within 3 seconds!")
    time.sleep(3) # use this 3 seconds to switch to the software you use, for example Netease email client
    count = 0
    while True:
        win32api.keybd_event(int(vk_code), 0, 0, 0)
         
        count += 1
        if count % 30 == 0: # refresh every 30 seconds to get more email from Netease email server
            win32api.keybd_event(int(0x71), 0, 0, 0)   # 0x71 is F2 refresh, int is 113
        time.sleep(1) # mail reading time
         
        # press space key or right arrow would halt the delete process. 0x20 spacekey 0x27 right arrow key
        if win32api.GetAsyncKeyState(int(0x20)) or win32api.GetAsyncKeyState(int(0x27)): 
            while True:
                time.sleep(0.5)
                if win32api.GetAsyncKeyState(int(0x20)) or win32api.GetAsyncKeyState(int(0x27)):
                    break
 
if __name__ == '__main__':
    fast_email_reading_and_delete(0x2E) # 0x2E is DEL key, equivalent int is 46