与mysql 交互

import requests
from bs4 import  BeautifulSoup
import lxml
import re
import time
import random
import pymysql.cursors
from selenium import webdriver
connection = pymysql.connect(host='localhost',
                             user='root',
                             password='123',
                             db='asd',
                             charset='utf8mb4',
                             cursorclass=pymysql.cursors.DictCursor)
payload = {
    "Ancoding":"gzip, deflate, sdch, br",
"Accept-Language":"zh-CN,zh;q=0.8",
"Connection":"keep-alive",
"Cookie":"hng=; uss=UIMY14A%2B04Bbq%2BqRxS6C9OzJWudsw14Q1kb5mDDqxW%2BQ3YG%2BUcpgrDRWnRQ%3D; uc3=sg2=AC4AfXCJ7XkLw0gCUD1tD9ZxhXFdweN2A6VfybWadxI%3D&nk2=&id2=&lg2=; t=3c0787f77a28e0854ef28fc360b2c555; cookie2=1c912d33e44bdb2008763748702a61f4; _tb_token_=78577371d8136; l=AiQkmjyCyPnG7qTN1Iu5fBqvdCgWvUgn; isg=AvDwL_qYXdDeegACSXGXiIOKwb7f2NSDXgsSOepBvMsepZFPkkmkE0aNixo_; pnm_cku822=; cna=T7gREcWMLDsCAavWmjBJPJpS; Hm_lvt_c478afee593a872fd45cb9a0d7a9da3b=1495496950; Hm_lpvt_c478afee593a872fd45cb9a0d7a9da3b=1495496950",
"Host":"tanggulake.tmall.com",
"Referer":"https://tanggulake.tmall.com/search.htm?spm=a220o.1000855.w5002-15900729481.1.b3kpys&search=y",
"User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36",
"X-Requested-With":"XMLHttpRequest"}

with connection.cursor() as cursor:
    # Create a new
    sql = "select * from 竞店"
    cursor.execute(sql)
    q = cursor.fetchall()
    # connection is not autocommit by default. So you must commit to save
    # your changes.
connection.commit()


def id_s():
    for i in q:
        url =i["地址"]
        url_re = requests.get(url+"1", params=payload)
        soup = BeautifulSoup(url_re.text, "lxml")
        pig=soup.select("div >  div > div > div > span:nth-of-type(1)")
        get_pig=(pig[2].text.split("/"))[1]
        print(get_pig)
        ids=[]
        for pij in range(1,int(get_pig)+1):
            time.sleep(random.randrange(1,5))
            ur1=i["地址"]+str(pij)
            url_re1=requests.get(ur1,params=payload)
            soup=BeautifulSoup(url_re1.text,"lxml")
            date = soup.select("div > div > div > dl")
            for spid in date:
                ids.append(re.sub("\D", "", spid.get("data-id")))

        with connection.cursor() as cursor:
                # Create a new
            sql = 'select id from'+" " +i["店铺名称"]
            cursor.execute(sql)
            q = cursor.fetchall()
            q = [i["id"] for i in q]
            for w in ids:
                if w not in q:

                    sql = "INSERT INTO "+i["店铺名称"]+ "(`id`) VALUES (%s)"
                    cursor.execute(sql, w)

                        # connection is not autocommit by default. So you must commit to save
                        # your changes.
        connection.commit()
driver = webdriver.PhantomJS(service_args=['--ignore-ssl-errors=true', '--load-images=false'])
with connection.cursor() as cursor:
            # Create a new
    for i in q:
        sql = 'select id from' + " " + i["店铺名称"]
        cursor.execute(sql)
        q=cursor.fetchall()
        ids = [i["id"] for i in q]
        for ids_find in ids:
            driver.get("http://item.taobao.com/item.htm?id="+ids_find)
            time.sleep(10)
            date = driver.page_source
            soup = BeautifulSoup(date, "lxml")
            color = re.findall(r'<li title="(.*)">颜色分类|li title="(.*)">主要颜色', str(soup.select(".attributes-list")))
            color = [i for i in color[0] if i]
            try:
                mig = "http:" + re.match(r'.*?(//.*?alicdn.*?)_50x50.jpg'.str(soup.select("#J_UlThumb > li > div > a > img"))).group(1)
            except:
                print(ids_find)
                mig="1"
            leimu = soup.select(".tb-pine")[0].get("data-catid")
            a = ""
            title = a.join(re.findall("([\u4e00-\u9fa5])", driver.title))
            id_dress="http://item.taobao.com/item.htm?id="+ids_find
            dates = [mig, title, color, leimu,id_dress]
            with connection.cursor() as cursors:
                # Create a new
                sql = "UPDATE "+ i["店铺名称"]+ " SET 颜色='%s',类目='%s',图片地址='%s',标题='%s',商品地址='%s' where id = '%s'" % (dates[2][0], dates[3], dates[0], dates[1],dates[4],ids_find)
                print(sql)
                cursors.execute(sql)
            connection.commit()
connection.commit()