如何在python中检测curses ALT键组合

这里是 python的新手,并使用curses导入.我想检测像ALT F和类似的关键组合.目前,我使用getch()接收密钥,然后在curses窗口中打印它. F或ALT F的值不会改变.如何检测ALT键组合？

import curses

def Main(screen):
   foo = 0
   while foo == 0: 
      ch = screen.getch()
      screen.addstr (5,5,str(ch),curses.A_REVERSE)
      screen.refresh()
      if ch == ord('q'):
         foo = 1

curses.wrapper(Main)

解决方法

import curses

def Main(screen):
   while True:
      ch = screen.getch()
      if ch == ord('q'):
         break
      elif ch == 27: # ALT was pressed
         screen.nodelay(True)
         ch2 = screen.getch() # get the key pressed after ALT
         if ch2 == -1:
            break
         else:
            screen.addstr(5,'ALT+'+str(ch2))
            screen.refresh()
         screen.nodelay(False)

curses.wrapper(Main)

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