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runSpider.py
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runSpider.py
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#!/usr/bin/env python
# coding:utf8
import mySpiders.utils.log as logging
from scrapy.crawler import CrawlerProcess
from mySpiders.spiders.CrawlSpider import CrawlSpider
from mySpiders.utils.http import getCrawlNoRssRequestLength
from scrapy.utils.project import get_project_settings
from config import SPIDER_MAX_POOL_NUM
class RunSpider(object):
def __init__(self, size=None):
if not size:
size = SPIDER_MAX_POOL_NUM
self.size = size
self.process = None
self.runNum = 0
def initSpider(self):
if not self.process:
self.process = CrawlerProcess(get_project_settings())
self.process.crawl(CrawlSpider)
self.runNum += 1
def runSpider(self):
self.runNum = 0
self.process.start()
def run(self):
while True:
num = getCrawlNoRssRequestLength()
logging.info("********need deal request num : %s " % num)
if not num:
if self.runNum >= 1:
logging.info("*****************size:%s********runNum:%s********" % (self.size, self.runNum))
self.runSpider()
break
else:
self.initSpider()
if self.runNum >= self.size:
logging.info("*****************size:%s********runNum:%s********" % (self.size, self.runNum))
self.runSpider()
break
def main():
try:
runSpider = RunSpider()
runSpider.run()
logging.info("----------runSpider end-----------")
except Exception, e:
logging.info("----------runSpider main function Exception : %s-----" % e)
if __name__ == '__main__':
main()