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spider_main.py
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spider_main.py
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import os
import sys
import webbrowser
import url_manager,html_downloader,html_parser,html_outputer
class SpiderMain(object):
def __init__(self):
self.urls = url_manager.UrlManager()
self.downloader = html_downloader.HtmlDownloader()
self.parser = html_parser.HtmlParser()
self.outputer = html_outputer.HtmlOutputer()
def craw(self, root_url):
count = 1
self.urls.add_new_url(root_url)
while self.urls.has_new_url():
try:
new_url = self.urls.get_new_url()
print('craw %d : %s' % (count, new_url))
html_cont = self.downloader.download(new_url)
new_urls, new_data = self.parser.parse(new_url,html_cont)
self.urls.add_new_urls(new_urls)
self.outputer.collect_data(new_data)
count = count + 1
except:
print(sys.exc_info[0])
print('craw failed')
self.outputer.output_html()
if __name__=="__main__":
root_url = "https://movie.douban.com/top250"
obj_spider = SpiderMain()
obj_spider.craw(root_url)
print("Finish!")
webbrowser.open_new_tab(os.getcwd() + "/result.html")