import sys
import time
try:
    import mimetypes
    import gi
    gi.require_version("Gdk", "3.0")
    gi.require_version("Gtk", "3.0")
    from gi.repository import Gdk
    screen = Gdk.Screen.get_default()
    timestr = time.strftime("%Y%m%d-%H%M%S")
    pth = "/tmp"
    fnm = "screenshot"
    if (len(sys.argv) > 1):
        fnm = sys.argv[1]
    w = screen.get_root_window()
    fn = pth + "/" + fnm + "_" + str(screen.width()) + "_" + str(screen.height()) + "_" + timestr + ".png"
    rect = (0, 0, screen.width(), screen.height())
    pb = Gdk.pixbuf_get_from_window(w, *rect)
    if (pb != None):
        pb.savev(fn,"png",(),())
        print ("%s" % fn)
        sys.exit()
    else:
        print ("None")
        sys.exit(2)
except Exception as ex:
    print (ex)
    sys.exit()