使用selenium抓取淘宝信息并存储mongodb

selenium模块

简单小例子

 Author:song
import pyquery
from selenium import webdriver
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
from pyquery import PyQuery as pq
from config import *
import pymongo
client = pymongo.MongoClient(MONGO_URL)
db = client[MONGO_DB]
browser = webdriver.Chrome()
wait =WebDriverWait(browser,10)
def get_one_index():
    try:
        url = 'https://www.taobao.com/'
        browser.get(url)
        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('python')
        submit.click()
        get_informations()
    except TimeoutException:
        print('error')
        return get_one_index()

def get_more_indexs(page_number):
    input = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form > input')))
    submit = wait.until(EC.element_to_be_clickable((By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form > span.btn.J_Submit')))
    input.clear()
    input.send_keys(page_number)
    submit.click()
    get_informations()

def get_informations():
    wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, '#mainsrp-itemlist .items .item')))
    html = browser.page_source
    doc = pq(html)
    items = doc('#mainsrp-itemlist .items .item').items()
    for item in items:
        product = {
            'title' : item.find('.row.row-2.title').text(),
            'picture' : item.find('.J_ItemPic.img').attr('src'),
            'price' : item.find('.price.g_price.g_price-highlight').text(),
            'shop' : item.find('.shopname.J_MouseEneterLeave.J_ShopInfo').text(),
            'location' : item.find('.location').text(),
            'deal':item.find('.J_ClickStat').attr('href')
        }
        save_to_mongodb(product)

def save_to_mongodb(result):
        if db[MONGO_TABLE].insert(result):
            print('存储成功',result)

def main():
    get_one_index()
    for number in range(2,5):
        get_more_indexs(number)

if __name__ =='__main__':
    main()