python爬取淘宝商品销量信息

python爬取淘宝商品销量的程序，运行程序，输入想要爬取的商品关键词，在代码中的‘###'

python爬取淘宝商品销量的程序，运行程序，输入想要爬取的商品关键词，在代码中的‘###'可以进一步约束商品的属性，比如某某作者的书籍，可以在###处输入作者名字，以及时期等等。最后可以得到所要商品的总销量

import requests
import bs4
import re
import json
 
def open(keywords, page):
 headers={"User-Agent":"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36"}
 
 payload = {'q':keywords, 'sort':"sale-desc", 's':(page-1)*44}
 url = "https://s.taobao.com/search"
 
 res = requests.get(url, params = payload)
 return res
 
 
def get_item(res):
 
 g_page_config = re.search(r'g_page_config = (.*?);\n', res.text)
 page_config_json = json.loads(g_page_config.group(1))
 page_item = page_config_json['mods']['itemlist']['data']['auctions']
 
 result = []#整理出我们关注的信息(ID,标题，链接，售价，销量和商家)
 for each in page_item:
 dict1 = dict.fromkeys(('id','title','link','price','sale','shoper'))
 dict1['id'] = each['nid']
 dict1['title'] = each['title']
 dict1['link'] = each['detail_url']
 dict1['price'] = each['view_price']
 dict1['sale'] = each['view_sales']
 dict1['shoper'] = each['nick']
 result.append(dict1)
 
 return result
 
def count_sales(items):
 count = 0
 for each in items:
 if '###' in each['title']:#规定只取标题中‘###'的商品
 count += int(re.search(r'\d+',each['sale']).group())
 
 return count
 
def main():
 
 keywords = input("请输入搜索关键词：")#可以为各种商品名称
 length = 10#淘宝商品页数
 total = 0
 
 for each in range(length):
 res = open(keywords, each+1)
 items = get_item(res)
 total += count_sales(items)#销售总量
 print(total)
 
 
if __name__ == "__main__":
 main()

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python爬取淘宝商品销量 python爬取商品销量 python爬取淘宝商品