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 import pymongo MONGO_URL = 'localhost'
MONGO_DB = 'taobao'
MONGO_TABLE = 'product' SERVICE_ARGS = ['--load-images=false', '--disk-cache=true'] KEYWORD = '美食' client = pymongo.MongoClient(MONGO_URL)
db = client[MONGO_DB] browser = webdriver.PhantomJS(service_args=SERVICE_ARGS)
wait = WebDriverWait(browser, 10) 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'))
)
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', 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_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 = {
'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_to_mongo(product) def save_to_mongo(result):
try:
if db[MONGO_TABLE].insert(result):
print('存储到MONGODB成功', result)
except Exception:
print('存储到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('出错啦')
finally:
browser.close() if __name__ == '__main__':
main()