3 from .common 
import InfoExtractor
 
   8     compat_urllib_parse_urlparse
, 
  14 class AddAnimeIE(InfoExtractor
): 
  16     _VALID_URL 
= r
'^http://(?:\w+\.)?add-anime\.net/watch_video.php\?(?:.*?)v=(?P<video_id>[\w_]+)(?:.*)' 
  19         u
'url': u
'http://www.add-anime.net/watch_video.php?v=24MR3YO5SAS9', 
  20         u
'file': u
'24MR3YO5SAS9.flv', 
  21         u
'md5': u
'1036a0e0cd307b95bd8a8c3a5c8cfaf1', 
  23             u
"description": u
"One Piece 606", 
  24             u
"title": u
"One Piece 606" 
  28     def _real_extract(self
, url
): 
  30             mobj 
= re
.match(self
._VALID
_URL
, url
) 
  31             video_id 
= mobj
.group('video_id') 
  32             webpage 
= self
._download
_webpage
(url
, video_id
) 
  33         except ExtractorError 
as ee
: 
  34             if not isinstance(ee
.cause
, compat_HTTPError
): 
  37             redir_webpage 
= ee
.cause
.read().decode('utf-8') 
  38             action 
= self
._search
_regex
( 
  39                 r
'<form id="challenge-form" action="([^"]+)"', 
  40                 redir_webpage
, u
'Redirect form') 
  41             vc 
= self
._search
_regex
( 
  42                 r
'<input type="hidden" name="jschl_vc" value="([^"]+)"/>', 
  43                 redir_webpage
, u
'redirect vc value') 
  45                 r
'a\.value = ([0-9]+)[+]([0-9]+)[*]([0-9]+);', 
  48                 raise ExtractorError(u
'Cannot find redirect math task') 
  49             av_res 
= int(av
.group(1)) + int(av
.group(2)) * int(av
.group(3)) 
  51             parsed_url 
= compat_urllib_parse_urlparse(url
) 
  52             av_val 
= av_res 
+ len(parsed_url
.netloc
) 
  54                 parsed_url
.scheme 
+ u
'://' + parsed_url
.netloc 
+ 
  56                 compat_urllib_parse
.urlencode({ 
  57                     'jschl_vc': vc
, 'jschl_answer': compat_str(av_val
)})) 
  58             self
._download
_webpage
( 
  59                 confirm_url
, video_id
, 
  60                 note
=u
'Confirming after redirect') 
  61             webpage 
= self
._download
_webpage
(url
, video_id
) 
  63         video_url 
= self
._search
_regex
(r
"var normal_video_file = '(.*?)';", 
  64                                        webpage
, u
'video file URL') 
  65         video_title 
= self
._og
_search
_title
(webpage
) 
  66         video_description 
= self
._og
_search
_description
(webpage
) 
  74             'description': video_description