问向getWindowsWithTitle添加变量的问题

EN

#!/usr/bin/env python

import sys
import time
import pynput
import win32con as wcon
import win32gui as wgui


# Callback
def enum_windows_proc(wnd, param):
    if wgui.IsWindowVisible(wnd):
        text = wgui.GetWindowText(wnd)
        if param[0] in text.upper():
            print(wnd, text)  # Debug purposes only
            param[1].append(wnd)


def windows_containing_text(text):
    ret = []
    wgui.EnumWindows(enum_windows_proc, (text.upper(), ret))
    return ret


def send_char(wnd, char):
    kb = pynput.keyboard.Controller()
    kb.press(char)
    kb.release(char)


def main(*argv):
    txt = input("Enter text contained by window title: ")
    #txt = "notepad"
    wnds = windows_containing_text(txt)
    print(wnds)
    wnd = wnds[1]  # Notepad in my case (this example only, list might have fewer elements!!!!!)
    try:
        wgui.SetForegroundWindow(wnd)  # Activate
    except:
        print(sys.exc_info())
    wgui.ShowWindow(wnd, wcon.SW_MAXIMIZE)  # Maximize
    time.sleep(1)
    send_char(wnd, "a")


if __name__ == "__main__":
    print("Python {:s} {:03d}bit on {:s}\n".format(" ".join(elem.strip() for elem in sys.version.split("\n")),
                                                   64 if sys.maxsize > 0x100000000 else 32, sys.platform))
    rc = main(*sys.argv[1:])
    print("\nDone.")
    sys.exit(rc)