python爬虫二

from bs4 import BeautifulSoup
import  requests

def getHTMLText():
  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_prie\"\:\"[\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 printGoodList(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=2
    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
    printGoodList(infoList)
main()