def tasks(hour):
"""run tasks, keep it running for crawler"""
sched = Scheduler(standalone=True)
# http://pythonhosted.org/APScheduler/modules/scheduler.html
sched.add_cron_job(douban_spider_task, hour=int(hour))
sched.start()
info = 'start tasks at' + datetime.datetime.now().strftime('%y-%m-%d %H:%M:%S')
spider_task_log.log_info(info)
def douban_spider_task():
info = u'tasks.spider_task.douban_spider_task: start %s' % (datetime.datetime.now())
spider_task_log.log_info(info)
login()
info = u'tasks.spider_task.douban_spider_task: login success %s' % (datetime.datetime.now())
spider_task_log.log_info(info)
channel_list = update_channel_list()
for channel_name in channel_list:
info = u'tasks.spider_task.douban_spider_task: updated_channel %s' % channel_name
spider_task_log.log_info(info)
channel_list = get_channel()
for channel in channel_list:
music_list = update_music_by_channel(channel, channel.update_num)
info = u'tasks.spider_task.douban_spider_task: channel %s, updated_num %d' % (channel, len(music_list))
print info
spider_task_log.log_info(info)
info = u'tasks.spider_task.douban_spider_task: end %s' % (datetime.datetime.now())
spider_task_log.log_info(info)
