close_explorer.py

import ctypes, win32con, functools
U = ctypes.windll.user32
 
EnumWindows = U.EnumWindows
EnumWindowsProc = ctypes.WINFUNCTYPE(ctypes.c_bool, ctypes.POINTER(ctypes.c_int), ctypes.POINTER(ctypes.c_int))
GetWindowText = U.GetWindowTextW
RealGetWindowClass = U.RealGetWindowClass
IsWindowVisible = U.IsWindowVisible
PostMessage = U.PostMessageW
WM_CLOSE = 16

ubuf = ctypes.create_unicode_buffer(510)
sbuf = ctypes.create_string_buffer(510)

def foreach_window(callback, hwnd, lParam):
    if IsWindowVisible(hwnd):
        GetWindowText(hwnd, ubuf, 512)
        title = ubuf.value
        RealGetWindowClass(hwnd, sbuf, 512)
        klass = sbuf.value
        callback((hwnd, title, klass))
    return True


def close_explorer((hwnd, title, klass)):
    if klass == "CabinetWClass":
        print "Closing", title
        PostMessage(hwnd, WM_CLOSE, 0, 0)

def main():
    EnumWindows(EnumWindowsProc(functools.partial(foreach_window, close_explorer)), 0)

if __name__ == '__main__':
    main()