scrapy顺序执行多个爬虫

 1 # -*- coding:utf-8 -*-
 2 
 3 from scrapy import cmdline
 4 from scrapy.cmdline import execute
 5 import sys,time,os
 6 
 7 #会全部执行爬虫程序
 8 os.system(‘scrapy crawl ccdi‘)
 9 os.system(‘scrapy crawl ccxi‘)
10 #-----------------------------------------------------
11 
12 #只会执行第一个
13 cmdline.execute(‘scrapy crawl ccdi‘.split())
14 cmdline.execute(‘scrapy crawl ccxi‘.split())
15 #-----------------------------------------------------
16 
17 #只会执行第一个
18 sys.path.append(os.path.dirname(os.path.abspath(__file__)))  
19 execute(["scrapy", "crawl", "shanghaione"])  
20 time.sleep(30)  
21 
22 sys.path.append(os.path.dirname(os.path.abspath(__file__)))  
23 execute(["scrapy", "crawl", "shanghaitwo"])