4 from .common 
import InfoExtractor
 
   6     compat_urllib_parse_urlparse
, 
  10 class XTubeIE(InfoExtractor
): 
  11     _VALID_URL 
= r
'^(?:https?://)?(?:www\.)?(?P<url>xtube\.com/watch\.php\?v=(?P<videoid>[^/?&]+))' 
  13         u
'url': u
'http://www.xtube.com/watch.php?v=kVTUy_G222_', 
  14         u
'file': u
'kVTUy_G222_.mp4', 
  15         u
'md5': u
'092fbdd3cbe292c920ef6fc6a8a9cdab', 
  17             u
"title": u
"strange erotica", 
  18             u
"description": u
"surreal gay themed erotica...almost an ET kind of thing", 
  19             u
"uploader": u
"greenshowers", 
  24     def _real_extract(self
, url
): 
  25         mobj 
= re
.match(self
._VALID
_URL
, url
) 
  26         video_id 
= mobj
.group('videoid') 
  27         url 
= 'http://www.' + mobj
.group('url') 
  29         req 
= compat_urllib_request
.Request(url
) 
  30         req
.add_header('Cookie', 'age_verified=1') 
  31         webpage 
= self
._download
_webpage
(req
, video_id
) 
  33         video_title 
= self
._html
_search
_regex
(r
'<div class="p_5px[^>]*>([^<]+)', webpage
, u
'title') 
  34         video_uploader 
= self
._html
_search
_regex
(r
'so_s\.addVariable\("owner_u", "([^"]+)', webpage
, u
'uploader', fatal
=False) 
  35         video_description 
= self
._html
_search
_regex
(r
'<p class="video_description">([^<]+)', webpage
, u
'description', fatal
=False) 
  36         video_url
= self
._html
_search
_regex
(r
'var videoMp4 = "([^"]+)', webpage
, u
'video_url').replace('\\/', '/') 
  37         path 
= compat_urllib_parse_urlparse(video_url
).path
 
  38         extension 
= os
.path
.splitext(path
)[1][1:] 
  39         format 
= path
.split('/')[5].split('_')[:2] 
  42         format 
= "-".join(format
) 
  47             'uploader': video_uploader
, 
  48             'description': video_description
,