淘宝+Selenium

title: 淘宝+selenium

categories: [爬虫笔记,代码]

---

from selenium import webdriver
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from pyquery import PyQuery as pq
import re
import time
import pymongo
# from config import *  #可配置文件
client=pymongo.MongoClient()
db=client['taobao']


brower=webdriver.Chrome()
wait=WebDriverWait(brower,10)


def search():
    try:
        brower.get('https://www.taobao.com/')
        input=wait.until(
        EC.presence_of_element_located((By.CSS_SELECTOR,'#q'))
        )
        submit = wait.until(EC.element_to_be_clickable((By.CSS_SELECTOR,'#J_TSearchForm > div.search-button > button')))
        input.send_keys('美食')
        submit.click()
        time.sleep(10)
        total=wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > div.total')))
        get_products()
        return total.text
    except TimeoutException:
        return search()
def next_page(page_number):
    try:
        input=wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > div.form > input'))
        )
        submit=wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > div.form > span.btn.J_Submit')))
        input.clear()
        input.send_keys(page_number)
        submit.click()
        wait.until(EC.text_to_be_present_in_element((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > ul > li.item.active > span'),str(page_number)))
        get_products()
    except TimeoutException:
        next_page(page_number)
def get_products():
        wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-itemlist')))
        html=brower.page_source
        doc=pq(html)
        items=doc('#mainsrp-itemlist .items .item').items()
        for item in items:
            product={
     
                'image':item.find('.pic .img').attr('src'),
                'price':item.find('.price').text(),
                'deal':item.find('.deal-cnt').text()[:-3],
                'title':item.find('.title').text(),
                'shop':item.find('.shop').text(),
                'location':item.find('.location').text()
            }
            #print(product)
            save_mongo(product)
def save_mongo(result):
        if db['product'].insert(result):
            print("储存成功",result)
def main():
    total=search()
    total=re.compile('(\d+)').search(total).group(1)
    for i in range(2,5):
        next_page(i)

if __name__ == '__main__':
    main()