def extract_playlist_url_from_channel(channel):
req = urllib2.Request(channel.url, headers={'User-Agent': 'Mozilla/5.0'})
response = urllib2.urlopen(req)
webpage = response.read()
ctx = ssl.create_default_context()
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE
soup = BeautifulSoup(webpage, 'html.parser')
html = soup.prettify('utf-8')
playlist_link = soup.findAll('a',
{'class': 'play-all-icon-btn'})[0]['href']
youtube_playlist_link = 'https://youtube.com' + playlist_link
playlist_to_save = Playlist(youtube_playlist_link, channel.url)
channel_to_save = Channel(channel.url, youtube_playlist_link)
db = DatabaseManager()
db.insert_playlist(playlist_to_save)
db.insert_channel(channel_to_save)
return youtube_playlist_link
