python京东价格_python抓取京东价格分析京东商品价格走势

代码如下:

from creepy import Crawler

from BeautifulSoup import BeautifulSoup

import urllib2

import json

class MyCrawler(Crawler):

def process_document(self, doc):

if doc.status == 200:

print '[%d] %s' % (doc.status, doc.url)

try:

soup = BeautifulSoup(doc.text.decode('gb18030').encode('utf-8'))

except Exception as e:

print e

soup = BeautifulSoup(doc.text)

print soup.find(id="product-intro").div.h1.text

url_id=urllib2.unquote(doc.url).decode('utf8').split('/')[-1].split('.')[0]

f = urllib2.urlopen('/prices/get?skuid=J_'+url_id,timeout=5)

price=json.loads(f.read())

f.close()

print price[0]['p']

else:

pass

crawler = MyCrawler()

crawler.set_follow_mode(Crawler.F_SAME_HOST)

crawler.set_concurrency_level(16)

crawler.add_url_filter('\.(jpg|jpeg|gif|png|js|css|swf)$')

crawler.crawl('/982040.html')

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