使用selenium和PhantomJS抓取信息

项目中使用的是python3.6，目前python版本已经发布了3.7.0
抓取的信息，存入MongoDB中，在一个项目中建立两个文件：config.py  spider.py

------------------------spider.py---------------------------------------
import re
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
from config import *
import pymongo

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

#brower = webdriver.Chrome()
brower = webdriver.PhantomJS(service_args=SERVICE_ARGS)
wait = WebDriverWait(brower,10)

brower.set_window_size(1400,900)
def search():
    print("正在搜索~")
    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(KEYWORD)
        submit.click()
        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):  
    print("正在翻页,翻页是",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_products()
    except TimeoutException:
        next_page(page_number)

def get_products():
    wait.until(EC.presence_of_all_elements_located((By.CSS_SELECTOR,'#mainsrp-itemlist .items .item')))
    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()
        #            }
        product = {'title': item.find('.title').text(),'image' : item.find('.pic .img').attr('src'), 'price' : item.find('.price').text(),'shop' : item.find('.shop').text(),'location': item.find('.location').text()}
        print(product)
        save_to_mongo(product)

def save_to_mongo(result):
    try:
        if db[MONGO_TABLE].insert(result):
            print('存储MONGODB成功',result)
    except Exception:
        print('存储MONGODB失败',result)


def main():
    try:
        total = search()
        total = int(re.compile('(\d+)').search(total).group(1))
        for i in range(2,total+1):
            next_page(i)
    except Exception:
        print('出错了')
    finally:
        brower.close()

if __name__ == '__main__':
    main()

----------------------------config.py-----------------------------------
MONGO_URL = 'localhost'
MONGO_DB = 'taobao'
MONGO_TABLE = 'product'

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