python类LINES的实例源码

def main():
    """
    The entry point for the app. Called when music-scraper is typed in terminal.
    Starts the GUI and starts the scraping process after the input is given
    """
    curses.initscr()
    if curses.COLS < 80 or curses.LINES < 5:
        curses.endwin()
        print('Terminal\'s dimensions are too small')
        return

    process = CrawlerProcess({'LOG_ENABLED': False})

    def gui_input(screen):
        GUI.screen = screen
        curses.start_color()
        GUI.screen.keypad(1)
        curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_CYAN)
        GUI.high_light_text = curses.color_pair(1)
        GUI.normal_text = curses.A_NORMAL
        GUI.box = curses.newwin(curses.LINES, curses.COLS, 0, 0)
        GUI.message = GUI.get_input()

    curses.wrapper(gui_input)
    s = request.quote(GUI.message)

    MusicSpider.start_urls = [
        "http://www.google.com/search?q=" + s,
    ]
    process.crawl(MusicSpider)
    thread = GUIThread(process, start_gui)
    thread.start()
    process.start()
    if not GUI.gui_stopped:
        if len(GUI.strings) == 0:
            GUI.box.erase()
            GUI.box.addstr(1, 1, "No Results Found... Try with Some other keywords.", GUI.high_light_text)
            GUI.add_bottom_menus()
            GUI.screen.refresh()
            GUI.box.refresh()
        else:
            GUI.box.addstr(curses.LINES - 2, 1, "Completed Scraping !!", GUI.high_light_text)
            GUI.add_bottom_menus()
            GUI.screen.refresh()
            GUI.box.refresh()

def main(stdscr):
    config_file = args.config_file if args.config_file is not None else 'zmqchat.cfg'
    config = configparser.ConfigParser()
    config.read(config_file)
    config = config['default']

    receiver = zmq.Context().instance().socket(zmq.PAIR)
    receiver.bind("inproc://clientchat")
    sender = zmq.Context().instance().socket(zmq.PAIR)
    sender.connect("inproc://clientchat")
    client = ClientChat(args.username, config['server_host'],
                        config['chat_port'], receiver)
    client.run()

    display_receiver = zmq.Context().instance().socket(zmq.PAIR)
    display_receiver.bind("inproc://clientdisplay")
    display_sender = zmq.Context().instance().socket(zmq.PAIR)
    display_sender.connect("inproc://clientdisplay")
    display = ClientDisplay(config['server_host'], config['display_port'], display_sender)
    display.run()

    ### curses set up
    curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_WHITE)
    curses.init_pair(2, curses.COLOR_WHITE, curses.COLOR_BLACK)
    # ensure that user input is echoed to the screen
    curses.echo()
    curses.curs_set(0)

    window_height = curses.LINES
    window_width = curses.COLS
    division_line =  int(window_height * 0.8)

    # instaniate two pads - one for displaying received messages
    # and one for showing the message the user is about to send off
    top_pad = stdscr.subpad(division_line, window_width, 0, 0)
    bottom_pad = stdscr.subpad(window_height - division_line, window_width, division_line, 0)

    top_thread = threading.Thread(target=start_top_window, args=(top_pad, display_receiver))
    top_thread.daemon = True
    top_thread.start()

    bottom_thread = threading.Thread(target=start_bottom_window, args=(bottom_pad, sender))
    bottom_thread.daemon = True
    bottom_thread.start()

    top_thread.join()
    bottom_thread.join()