#coding=utf-8

 from selenium import webdriver

 import unittest

 from time import sleep

 class DoubanMovie(unittest.TestCase):

     def setUp(self):

         self.dr = webdriver.Chrome()

         self.top_movie_list = self.get_douban_movies_top12()

         self.movie = self.get_movie_top12_file()

     def get_douban_movies_top12(self):

         '''获取豆瓣电影成都地区正在上映的前12部电影名字及评分'''

         self.dr.get("https://movie.douban.com/nowplaying/chengdu/")

         sleep(3)

         movie_list = []#定义空list为后面存放电影名字和电影评分作准备

         i = 0

         while i < 60:  #12*5=60

             movie_name = self.dr.find_elements_by_css_selector('.lists li')[i].get_attribute('data-title')#定位电影名字

             movie_grand = self.dr.find_elements_by_css_selector('.lists li')[i].get_attribute('data-score')#定位电影评分

             movie_list.append([movie_name,movie_grand])#向空list追加插入获取的电影名字和电影评分

             i += 5 #每个电影的li标签间隔为5个

         movie_list.sort(key=lambda x:x[1], reverse=True)#利用sort中key方法来根据电影评分高到低对所获取的电影进行排序(movie_list = sorted(movie_list, key=lambda movie: movic[1], reverse=True)   # sort by movie_grand 倒序)

         return movie_list

     def get_movie_top12_file(self):

         self.file_title = '豆瓣电影成都地区正在上映的前12部电影'

         self.file = open(self.file_title + '.txt', 'wb')

         for item in self.top_movie_list:

             self.file.write(('电影名字:' + item[0] + '  ' + '电影评分:' + item[1] + '\n').encode('utf-8'))

         self.file.close()

     def test_movie(self):

         pass

         print("获取完毕")

     def tearDown(self):

         self.dr.quit()

 if __name__ == '__main__':

     unittest.main()