抓取淘宝某类商品名称和价格

import requests
import re
import time

def getHTMLText(url):
try:
r = requests.get(url, timeout = 30)#设定超时时间
r.raise_for_status()
r.encoding = r.apparent_encoding
return r.text
except:
return print("解析网页失败")
def parsePage(li, html):
try:
counts = re.findall(r'\"view_price\"\:\"[\d\.]*\"',html)#正则获取价格
names = re.findall(r'\"raw_title\"\:\".*?\"',html)#正则获取名字
for i in range(len(counts)):
price = eval(counts[i].split(':')[1])#以:分割，获取价格，同时删除引号等符号
title = eval(names[i].split(':')[1])
li.append([price, title])
except:
print("爬取失败")

def printGoodList(lis):
tplt = "{:4}\t{:8}\t{:16}"
print(tplt.format("序号","价格","产品信息"))
num = 1
for g in lis:
num = num + 1
print(tplt.format(num, g[0], g[1]))

if __name__ == '__main__':
goods = "口红"
depth = 3
start_url = 'http://s.taobao.com/search?q=' + goods
list = []
for i in range(depth):
try:
url = start_url + '&s=' + str(44*i)
html = getHTMLText(url)
parsePage(list,html)
except:
continue
printGoodList(list)