main.py 文件源码

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()