淘宝商品定向爬取

import requests
import re

def getHTMLText(url,kv,cookies):
    try:
        r=requests.get(url,headers = kv,cookies = cookies,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_ \\\"\\:\\\".*?\\\" \',html)
        for i in range(len(plt)):
              price = eval(plt[i].split(\':\')[1])
                = eval(tlt[i].split(\':\')[1])
              ilt.append([price, ])
     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 = 3
    start_url = \'https://s.taobao.com/search?&q=\' + goods
    coo = \'thw=cn; t=254ecf83ad9b49c70d383c71e214fab2;cna=kbBgFFO2dU8CAXFzKR/6/wq5; tg=0;enc=xWaBwIc%2BqZfhPca6P6g4cz34emAsVK3LjzRsT%2FkMfk5Ja31%2BmjMxGvBDJ%2B82Q2pJLJ83dUH5lBPAw%2BpI53L4%2BQ%3D%3D; hng=CN%7Czh-CN%7CCNY%7C156; x=e%3D1%26p%3D*%26s%3D0%26c%3D0%26f%3D0%26g%3D0%26t%3D0; tracknick=xxp158125132; lgc=xxp158125132; _cc_=URm48syIZQ%3D%3D; uc3=vt3=F8dByR1TOm%2BGeyLp6rE%3D&id2=VWeYZoAnISaO&nk2=G5htj%2BHk8f8ST03J&lg2=W5iHLLyFOGW7aA%3D%3D; mt=ci=94_1; v=0; cookie2=1794e2e0aad3f137168e0a64b250dced; _tb_token_=e33e0373befbe; isg=BEtLnz2UkxogtcghrE2mANjZ2u8_4F80dJ1mYL1IJwrh3Gs-RbDvsul6spyXJ7da\'
　　 cookies = {}
    for line in coo.split(\';\'):
        name,value=line.strip().split(\'=\',1)
        cookies[name]=value
    kv = {\'User-Agent\':\'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36\'}
    infoList = []
    for i in range(depth):
        try:
            url = start_url+\'&s=\' + str(44*i)
            html = getHTMLText(url,kv,cookies)
            parsePage(infoList,html)
        except:
            continue
    printGoodsList(infoList)


main()