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()