from scrapy import cmdline

import datetime

import time

import os

import scrapy

from scrapy.crawler import CrawlerProcess

from scrapy.utils.project import get_project_settings

os.environ.setdefault('SCRAPY_SETTINGS_MODULE', 'doubanMovie.settings')

global process

process= CrawlerProcess(get_project_settings())

def dosth():

    print("执行第一个爬虫")

    #cmdline.execute("scrapy crawlall".split())

    process.crawl("doubanMovieSpider1")

    #print(type(cmdline.execute("scrapy crawl doubanMovie".split())))

def doanother():

    print("执行第二个爬虫")

    process.crawl("doubanMovieSpider2")

def main():

    while True:

        now=datetime.datetime.now()

        if now.second==30:

            dosth()

            time.sleep(1)

            doanother()

            process.start()

main()