com ppa pri 大小 light parent tps 爬取
!只用于学习用途!
plt = re.findall(r‘\"view_price\"\:\"[\d\.]*\"‘,html)
:获得商品价格和view_price字段,并保存在plt中
tlt = re.findall(r‘\"raw_title\"\:\".*?\"‘,html)
:获得商品名称和raw_price字段,并保存在tlt中
price = eval(plt[i].split(‘:‘)[1])
:使用冒号分隔键值对,去掉前面的view_price字段,只获取其中价格部分
tplt = "{:4}\t{:8}\t{:16}"
:第一个位置给出大小为4,第二个位置大小为8,第三个位置大小为16
- import requests
- import re
- def getHTMLText(url):
- try:
- r = requests.get(url, timeout=30)
- r.raise_for_status()
- r.encoding = r.apparent_encoding
- return r.text
- except:
- return ""
- def parsePage(ilt, html):
- try:
- plt = re.findall(r‘\"view_price\"\:\"[\d\.]*\"‘,html)
- tlt = re.findall(r‘\"raw_title\"\:\".*?\"‘,html)
- for i in range(len(plt)):
- price = eval(plt[i].split(‘:‘)[1])
- title = eval(tlt[i].split(‘:‘)[1])
- ilt.append([price , title])
- except:
- print("")
- def printGoodsList(ilt):
- tplt = "{:4}\t{:8}\t{:16}"
- print(tplt.format("序号", "价格", "商品名称"))
- count = 0
- for g in ilt:
- count = count + 1
- print(tplt.format(count, g[0], g[1]))
- def main():
- goods = ‘书包‘
- depth = 3
- start_url = ‘https://s.taobao.com/search?q=‘ + goods
- infoList = []
- for i in range(depth):
- try:
- url = start_url + ‘&s=‘ + str(44*i)
- html = getHTMLText(url)
- parsePage(infoList, html)
- except:
- continue
- printGoodsList(infoList)
- main()
Python 爬取淘宝商品信息和相应价格
来源: http://www.bubuko.com/infodetail-2294936.html