selenium+phantomjs+pyquery 爬取淘宝商品信息

 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
 import re
 from pyquery import PyQuery as pq
 from config import *
 import pymongo

 client = pymongo.MongoClient(MONGO_URL)
 db =client[MONGO_DB]

 browser = webdriver.PhantomJS(service_args=SERVICE_ARGS)
 wait = WebDriverWait(browser, 10)# 等待时长10秒，默认0.5秒询问一次，等待页面加载完成，找到某个条件发生后再继续执行后续代码，如果超过设置时间检测不到则抛出异常
 browser.set_window_size(1400,900)
 def search():
     print("正在搜索")
     try:
         browser.get('https://www.taobao.com/')
         input = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, "#q")))#模拟输入框
         submit = wait.until(EC.element_to_be_clickable((By.CSS_SELECTOR,"#J_TSearchForm > div.search-button > button")))
         #模拟搜索按钮
         input.send_keys('美食')#添加input
         submit.click()#模拟按下搜索按钮
         total=wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, "#mainsrp-pager > div > div > div > div.total")))
         get_product()
         return total.text
     except TimeoutException:
         return search()
 def next_page(page_number):#翻页，把当前页码清除后，直接跳转到想去的页码
     print("正在翻页",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.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()
         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_product()
     except TimeoutException:
         next_page(page_number)
 def get_product():#获得每页商品内容，pyquery not understand
     wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, "#mainsrp-itemlist .items .item")))
     html =browser.page_source
     # print(html)
     doc = pq(html)
     items = doc("#mainsrp-itemlist .items .item").items()#注意class名字后空格！
     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()#find 查找的是div class的名字 别的标签不可以
         }
         print(product)
         save_to_mongo(product)
 def save_to_mongo(result):#将数据存储到mongodb
     try:
         if db[MONGO_TABLE].insert(result):
             print('存储成功->',result)
     except Exception:
         print('存储失败->',result)
 def main():
     total = search()
     total = int(re.compile('\d+').search(total).group(0))
     for i in range(2,20):
         next_page(i)
     browser.close()

 if __name__ == '__main__':
     main()

---

MONGO_URL = 'localhost'
MONGO_DB = 'taobao'
MONGO_TABLE = 'product'

SERVICE_ARGS  = ['--load-images=false', '--disk-cache=true']

config

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