28、周末看电影（每周五自动从top250中随机选取三部电影，并将下载链接发到邮箱里）

 

练习介绍

 

在第3关的一个课后练习里，我们爬取了指定电影的下载链接；在第6关的一个课后练习里，我们存储了豆瓣TOP250的榜单信息。

 

现在，我们完善这个程序，每周五在存储的榜单中，随机抽三部电影，然后去爬取这三部电影的下载链接，并把链接的结果发送到邮箱。

 

这样一来，我们就可以选择一部电影在周末欣赏啦。

 

 import requests
 import time
 import schedule
 import smtplib
 import numpy
 from urllib.request import quote
 from bs4 import BeautifulSoup
 from email.mime.text import MIMEText
 from email.header import Header

 def fun_top250_3():

     movie_names = []

     for i in numpy.random.randint(0,249,3):
         res = requests.get('https://movie.douban.com/top250?start={}'.format(i))
         soup = BeautifulSoup(res.text,'html.parser')
         item = soup.find('div',class_='item').find('span').text
         movie_names.append(item)

     return movie_names

 def fun_download_url():

     movie_names = fun_top250_3()

     movie_names_urls = ''

     for i in movie_names:
         key_word = quote(i,encoding='gbk')
         res = requests.get('http://s.ygdy8.com/plus/so.php?typeid=1&keyword={}'.format(key_word))
         res.encoding='gbk'
         soup = BeautifulSoup(res.text,'html.parser')
         check_none = soup.find('div',class_='co_content8').find('table')

         if check_none:
             item = soup.find('td',width='55%').find('b').find('a')
             res = requests.get('https://www.ygdy8.com'+item['href'])
             res.encoding='gbk'
             soup = BeautifulSoup(res.text,'html.parser')
             item = soup.find('td',style='WORD-WRAP: break-word').find('a').text
             movie_names_urls += '电影名：{}\t下载链接：{}\n'.format(i,item)
         else:
             movie_names_urls += '电影名：{}\t下载链接：没有找到\n'.format(i)

     return movie_names_urls

 def fun_sendmail():

     movie_names_urls = fun_download_url()

     mail_user = 'www1707@xxx.cn'
     mail_pwd  = 'yyy'
     receiver  = 'user01@xxx.cn'
     subject   = time.strftime('%Y{}%W{}%S').format('年 第','周 推荐电影')
     content   = movie_names_urls

     alimail = smtplib.SMTP()
     alimail.connect('smtp.qiye.aliyun.com',25)
     alimail.login(mail_user,mail_pwd)

     message = MIMEText(content,'plain','utf-8')
     message['Subject'] = Header(subject,'utf-8')
     message['From']    = Header(mail_user,'utf-8')
     message['To']      = Header(receiver,'utf-8')

     alimail.sendmail(mail_user,receiver,message.as_string())
     alimail.quit()

     print(movie_names_urls)

 #schedule.every().friday.do(fun_sendmail())
 schedule.every(10).seconds.do(fun_sendmail)

 while True:
     schedule.run_pending()
     time.sleep(1)

老师的答案

 import requests,csv,random,smtplib,schedule,time
 from bs4 import BeautifulSoup
 from urllib.request import quote
 from email.mime.text import MIMEText
 from email.header import Header

 def get_movielist():
     csv_file=open('movieTop.csv', 'w', newline='',encoding='utf-8')
     writer = csv.writer(csv_file)
     for x in range(10):
         url = 'https://movie.douban.com/top250?start=' + str(x*25) + '&filter='
         res = requests.get(url)
         bs = BeautifulSoup(res.text, 'html.parser')
         bs = bs.find('ol', class_="grid_view")
         for titles in bs.find_all('li'):
             title = titles.find('span', class_="title").text
             list1 = [title]
             writer.writerow(list1)
     csv_file.close()

 def get_randommovie():
     movielist=[]
     csv_file=open('movieTop.csv','r',newline='',encoding='utf-8')
     reader=csv.reader(csv_file)
     for row in reader:
         movielist.append(row[0])
     three_movies=random.sample(movielist,3)
     contents=''
     for movie in three_movies:
         gbkmovie = movie.encode('gbk')
         urlsearch = 'http://s.ygdy8.com/plus/so.php?typeid=1&keyword='+quote(gbkmovie)
         res = requests.get(urlsearch)
         res.encoding='gbk'
         soup_movie = BeautifulSoup(res.text,'html.parser')
         urlpart=soup_movie.find(class_="co_content8").find_all('table')
         if urlpart:
             urlpart=urlpart[0].find('a')['href']
             urlmovie='https://www.ygdy8.com/'+urlpart
             res1=requests.get(urlmovie)
             res1.encoding='gbk'
             soup_movie1=BeautifulSoup(res1.text,'html.parser')
             urldownload=soup_movie1.find('div',id="Zoom").find('span').find('table').find('a')['href']
             content=movie+'\n'+urldownload+'\n\n'
             print(content)
             contents=contents+content
         else:
             content='没有'+movie+'的下载链接'
             print(content)
     return contents

 def send_movielink(contents):
     mailhost='smtp.qq.com'
     qqmail = smtplib.SMTP()
     qqmail.connect(mailhost,25)
     account = '×××××××××@qq.com' # 因为是自己发给自己，所以邮箱账号、密码都可以提前设置好，当然，也可以发给别人啦
     password = '×××××××××××××××' # 因为是自己发给自己，所以邮箱账号、密码都可以提前设置好，当然，也可以发给别人啦。
     qqmail.login(account,password)
     receiver='×××××××××@qq.com'  # 因为是自己发给自己，所以邮箱账号、密码都可以提前设置好，当然，也可以发给别人啦。
     message = MIMEText(contents, 'plain', 'utf-8')
     subject = '电影链接'
     message['Subject'] = Header(subject, 'utf-8')
     try:
         qqmail.sendmail(account, receiver, message.as_string())
         print ('邮件发送成功')
     except:
         print ('邮件发送失败')
     qqmail.quit()

 def job():
     get_movielist()
     contents=get_randommovie()
     send_movielink(contents)

 schedule.every().friday.at("18:00").do(job)while True:
     schedule.run_pending()
     time.sleep(1)