def main():
myconfig = get_config()
if myconfig == False:
# 解析参数出错，直接退出
return
if myconfig == None:
print "do not have any configuration, then switch testself truns on!"
myconfig = MyConfig()
myconfig.testself = True
if myconfig.testself:
# 如果 testself开关 trun on
# 则 其它设置默认无效
myconfig.do_default()
else:
myconfig.check_config()
myconfig.show_config()
crawler = Crawler(myconfig)
progress_info(crawler)
crawler.start()
