text: import functools
  import itertools
  import math
  import operator
  import re
  
  from .common import InfoExtractor
  from ..compat import (
      compat_HTTPError,
      compat_str,
      compat_urllib_request,
  )
  from .openload import PhantomJSwrapper
  from ..utils import (
      clean_html,
      determine_ext,
      ExtractorError,
      format_field,
      int_or_none,
      merge_dicts,
      NO_DEFAULT,
      orderedSet,
      remove_quotes,
      str_to_int,
      update_url_query,
      urlencode_postdata,
      url_or_none,
  )
  
  
  class PornHubBaseIE(InfoExtractor):
      _NETRC_MACHINE = 'pornhub'
      _PORNHUB_HOST_RE = r'(?:(?P<host>pornhub(?:premium)?\.(?:com|net|org))|pornhubvybmsymdol4iibwgwtkpwmeyd6luq2gxajgjzfjvotyt5zhyd\.onion)'
  
      def _download_webpage_handle(self, *args, **kwargs):
          def dl(*args, **kwargs):
              return super(PornHubBaseIE, self)._download_webpage_handle(*args, **kwargs)
  
          ret = dl(*args, **kwargs)
  
          if not ret:
              return ret
  
          webpage, urlh = ret
  
          if any(re.search(p, webpage) for p in (
                  r'<body\b[^>]+\bonload=["\']go\(\)',
                  r'document\.cookie\s*=\s*["\']RNKEY=',
                  r'document\.location\.reload\(true\)')):
              url_or_request = args[0]
              url = (url_or_request.get_full_url()
                     if isinstance(url_or_request, compat_urllib_request.Request)
                     else url_or_request)
              phantom = PhantomJSwrapper(self, required_version='2.0')
              phantom.get(url, html=webpage)
              webpage, urlh = dl(*args, **kwargs)
  
          return webpage, urlh
  
      def _real_initialize(self):
          self._logged_in = False
  
      def _login(self, host):
          if self._logged_in:
              return
  
          site = host.split('.')[0]
  
          # Both sites pornhub and pornhubpremium have separate accounts
          # so there should be an option to provide credentials for both.
          # At the same time some videos are available under the same video id
          # on both sites so that we have to identify them as the same video.
          # For that purpose we have to keep both in the same extractor
          # but under different netrc machines.
          username, password = self._get_login_info(netrc_machine=site)
          if username is None:
              return
  
          login_url = 'https://www.%s/%slogin' % (host, 'premium/' if 'premium' in host else '')
          login_page = self._download_webpage(
              login_url, None, 'Downloading %s login page' % site)
  
          def is_logged(webpage):
              return any(re.search(p, webpage) for p in (
                  r'class=["\']signOut',
                  r'>Sign\s+[Oo]ut\s*<'))
  
          if is_logged(login_page):
              self._logged_in = True
              return
  
          login_form = self._hidden_inputs(login_page)
  
          login_form.update({
              'username': username,
              'password': password,
          })
  
          response = self._download_json(
              'https://www.%s/front/authenticate' % host, None,
              'Logging in to %s' % site,
              data=urlencode_postdata(login_form),
              headers={
                  'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
                  'Referer': login_url,
                  'X-Requested-With': 'XMLHttpRequest',
              })
  
          if response.get('success') == '1':
              self._logged_in = True
              return
  
          message = response.get('message')
          if message is not None:
              raise ExtractorError(
                  'Unable to login: %s' % message, expected=True)
  
          raise ExtractorError('Unable to log in')
  
  
  class PornHubIE(PornHubBaseIE):
      IE_DESC = 'PornHub and Thumbzilla'
      _VALID_URL = r'''(?x)
                      https?://
                          (?:
                              (?:[^/]+\.)?
                              %s
                              /(?:(?:view_video\.php|video/show)\?viewkey=|embed/)|
                              (?:www\.)?thumbzilla\.com/video/
                          )
                          (?P<id>[\da-z]+)
                      ''' % PornHubBaseIE._PORNHUB_HOST_RE
      _TESTS = [{
          'url': 'http://www.pornhub.com/view_video.php?viewkey=648719015',
          'md5': 'a6391306d050e4547f62b3f485dd9ba9',
          'info_dict': {
              'id': '648719015',
              'ext': 'mp4',
              'title': 'Seductive Indian beauty strips down and fingers her pink pussy',
              'uploader': 'Babes',
              'upload_date': '20130628',
              'timestamp': 1372447216,
              'duration': 361,
              'view_count': int,
              'like_count': int,
              'dislike_count': int,
              'comment_count': int,
              'age_limit': 18,
              'tags': list,
              'categories': list,
              'cast': list,
          },
      }, {
          # non-ASCII title
          'url': 'http://www.pornhub.com/view_video.php?viewkey=1331683002',
          'info_dict': {
              'id': '1331683002',
              'ext': 'mp4',
              'title': '重庆婷婷女王足交',
              'upload_date': '20150213',
              'timestamp': 1423804862,
              'duration': 1753,
              'view_count': int,
              'like_count': int,
              'dislike_count': int,
              'comment_count': int,
              'age_limit': 18,
              'tags': list,
              'categories': list,
          },
          'params': {
              'skip_download': True,
          },
          'skip': 'Video has been flagged for verification in accordance with our trust and safety policy',
      }, {
          # subtitles
          'url': 'https://www.pornhub.com/view_video.php?viewkey=ph5af5fef7c2aa7',
          'info_dict': {
              'id': 'ph5af5fef7c2aa7',
              'ext': 'mp4',
              'title': 'BFFS - Cute Teen Girls Share Cock On the Floor',
              'uploader': 'BFFs',
              'duration': 622,
              'view_count': int,
              'like_count': int,
              'dislike_count': int,
              'comment_count': int,
              'age_limit': 18,
              'tags': list,
              'categories': list,
              'subtitles': {
                  'en': [{
                      "ext": 'srt'
                  }]
              },
          },
          'params': {
              'skip_download': True,
          },
          'skip': 'This video has been disabled',
      }, {
          'url': 'http://www.pornhub.com/view_video.php?viewkey=ph557bbb6676d2d',
          'only_matching': True,
      }, {
          # removed at the request of cam4.com
          'url': 'http://fr.pornhub.com/view_video.php?viewkey=ph55ca2f9760862',
          'only_matching': True,
      }, {
          # removed at the request of the copyright owner
          'url': 'http://www.pornhub.com/view_video.php?viewkey=788152859',
          'only_matching': True,
      }, {
          # removed by uploader
          'url': 'http://www.pornhub.com/view_video.php?viewkey=ph572716d15a111',
          'only_matching': True,
      }, {
          # private video
          'url': 'http://www.pornhub.com/view_video.php?viewkey=ph56fd731fce6b7',
          'only_matching': True,
      }, {
          'url': 'https://www.thumbzilla.com/video/ph56c6114abd99a/horny-girlfriend-sex',
          'only_matching': True,
      }, {
          'url': 'http://www.pornhub.com/video/show?viewkey=648719015',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.net/view_video.php?viewkey=203640933',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.org/view_video.php?viewkey=203640933',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhubpremium.com/view_video.php?viewkey=ph5e4acdae54a82',
          'only_matching': True,
      }, {
          # Some videos are available with the same id on both premium
          # and non-premium sites (e.g. this and the following test)
          'url': 'https://www.pornhub.com/view_video.php?viewkey=ph5f75b0f4b18e3',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhubpremium.com/view_video.php?viewkey=ph5f75b0f4b18e3',
          'only_matching': True,
      }, {
          # geo restricted
          'url': 'https://www.pornhub.com/view_video.php?viewkey=ph5a9813bfa7156',
          'only_matching': True,
      }, {
          'url': 'http://pornhubvybmsymdol4iibwgwtkpwmeyd6luq2gxajgjzfjvotyt5zhyd.onion/view_video.php?viewkey=ph5a9813bfa7156',
          'only_matching': True,
      }]
  
      @staticmethod
      def _extract_urls(webpage):
          return re.findall(
              r'<iframe[^>]+?src=["\'](?P<url>(?:https?:)?//(?:www\.)?pornhub(?:premium)?\.(?:com|net|org)/embed/[\da-z]+)',
              webpage)
  
      def _extract_count(self, pattern, webpage, name):
          return str_to_int(self._search_regex(pattern, webpage, '%s count' % name, default=None))
  
      def _real_extract(self, url):
          mobj = self._match_valid_url(url)
          host = mobj.group('host') or 'pornhub.com'
          video_id = mobj.group('id')
  
          self._login(host)
  
          self._set_cookie(host, 'age_verified', '1')
  
          def dl_webpage(platform):
              self._set_cookie(host, 'platform', platform)
              return self._download_webpage(
                  'https://www.%s/view_video.php?viewkey=%s' % (host, video_id),
                  video_id, 'Downloading %s webpage' % platform)
  
          webpage = dl_webpage('pc')
  
          error_msg = self._html_search_regex(
              (r'(?s)<div[^>]+class=(["\'])(?:(?!\1).)*\b(?:removed|userMessageSection)\b(?:(?!\1).)*\1[^>]*>(?P<error>.+?)</div>',
               r'(?s)<section[^>]+class=["\']noVideo["\'][^>]*>(?P<error>.+?)</section>'),
              webpage, 'error message', default=None, group='error')
          if error_msg:
              error_msg = re.sub(r'\s+', ' ', error_msg)
              raise ExtractorError(
                  'PornHub said: %s' % error_msg,
                  expected=True, video_id=video_id)
  
          if any(re.search(p, webpage) for p in (
                  r'class=["\']geoBlocked["\']',
                  r'>\s*This content is unavailable in your country')):
              self.raise_geo_restricted()
  
          # video_title from flashvars contains whitespace instead of non-ASCII (see
          # http://www.pornhub.com/view_video.php?viewkey=1331683002), not relying
          # on that anymore.
          title = self._html_search_meta(
              'twitter:title', webpage, default=None) or self._html_search_regex(
              (r'(?s)<h1[^>]+class=["\']title["\'][^>]*>(?P<title>.+?)</h1>',
               r'<div[^>]+data-video-title=(["\'])(?P<title>(?:(?!\1).)+)\1',
               r'shareTitle["\']\s*[=:]\s*(["\'])(?P<title>(?:(?!\1).)+)\1'),
              webpage, 'title', group='title')
  
          video_urls = []
          video_urls_set = set()
          subtitles = {}
  
          flashvars = self._parse_json(
              self._search_regex(
                  r'var\s+flashvars_\d+\s*=\s*({.+?});', webpage, 'flashvars', default='{}'),
              video_id)
          if flashvars:
              subtitle_url = url_or_none(flashvars.get('closedCaptionsFile'))
              if subtitle_url:
                  subtitles.setdefault('en', []).append({
                      'url': subtitle_url,
                      'ext': 'srt',
                  })
              thumbnail = flashvars.get('image_url')
              duration = int_or_none(flashvars.get('video_duration'))
              media_definitions = flashvars.get('mediaDefinitions')
              if isinstance(media_definitions, list):
                  for definition in media_definitions:
                      if not isinstance(definition, dict):
                          continue
                      video_url = definition.get('videoUrl')
                      if not video_url or not isinstance(video_url, compat_str):
                          continue
                      if video_url in video_urls_set:
                          continue
                      video_urls_set.add(video_url)
                      video_urls.append(
                          (video_url, int_or_none(definition.get('quality'))))
          else:
              thumbnail, duration = [None] * 2
  
          def extract_js_vars(webpage, pattern, default=NO_DEFAULT):
              assignments = self._search_regex(
                  pattern, webpage, 'encoded url', default=default)
              if not assignments:
                  return {}
  
              assignments = assignments.split(';')
  
              js_vars = {}
  
              def parse_js_value(inp):
                  inp = re.sub(r'/\*(?:(?!\*/).)*?\*/', '', inp)
                  if '+' in inp:
                      inps = inp.split('+')
                      return functools.reduce(
                          operator.concat, map(parse_js_value, inps))
                  inp = inp.strip()
                  if inp in js_vars:
                      return js_vars[inp]
                  return remove_quotes(inp)
  
              for assn in assignments:
                  assn = assn.strip()
                  if not assn:
                      continue
                  assn = re.sub(r'var\s+', '', assn)
                  vname, value = assn.split('=', 1)
                  js_vars[vname] = parse_js_value(value)
              return js_vars
  
          def add_video_url(video_url):
              v_url = url_or_none(video_url)
              if not v_url:
                  return
              if v_url in video_urls_set:
                  return
              video_urls.append((v_url, None))
              video_urls_set.add(v_url)
  
          def parse_quality_items(quality_items):
              q_items = self._parse_json(quality_items, video_id, fatal=False)
              if not isinstance(q_items, list):
                  return
              for item in q_items:
                  if isinstance(item, dict):
                      add_video_url(item.get('url'))
  
          if not video_urls:
              FORMAT_PREFIXES = ('media', 'quality', 'qualityItems')
              js_vars = extract_js_vars(
                  webpage, r'(var\s+(?:%s)_.+)' % '|'.join(FORMAT_PREFIXES),
                  default=None)
              if js_vars:
                  for key, format_url in js_vars.items():
                      if key.startswith(FORMAT_PREFIXES[-1]):
                          parse_quality_items(format_url)
                      elif any(key.startswith(p) for p in FORMAT_PREFIXES[:2]):
                          add_video_url(format_url)
              if not video_urls and re.search(
                      r'<[^>]+\bid=["\']lockedPlayer', webpage):
                  raise ExtractorError(
                      'Video %s is locked' % video_id, expected=True)
  
          if not video_urls:
              js_vars = extract_js_vars(
                  dl_webpage('tv'), r'(var.+?mediastring.+?)</script>')
              add_video_url(js_vars['mediastring'])
  
          for mobj in re.finditer(
                  r'<a[^>]+\bclass=["\']downloadBtn\b[^>]+\bhref=(["\'])(?P<url>(?:(?!\1).)+)\1',
                  webpage):
              video_url = mobj.group('url')
              if video_url not in video_urls_set:
                  video_urls.append((video_url, None))
                  video_urls_set.add(video_url)
  
          upload_date = None
          formats = []
  
          def add_format(format_url, height=None):
              ext = determine_ext(format_url)
              if ext == 'mpd':
                  formats.extend(self._extract_mpd_formats(
                      format_url, video_id, mpd_id='dash', fatal=False))
                  return
              if ext == 'm3u8':
                  formats.extend(self._extract_m3u8_formats(
                      format_url, video_id, 'mp4', entry_protocol='m3u8_native',
                      m3u8_id='hls', fatal=False))
                  return
              if not height:
                  height = int_or_none(self._search_regex(
                      r'(?P<height>\d+)[pP]?_\d+[kK]', format_url, 'height',
                      default=None))
              formats.append({
                  'url': format_url,
                  'format_id': format_field(height, template='%dp'),
                  'height': height,
              })
  
          for video_url, height in video_urls:
              if not upload_date:
                  upload_date = self._search_regex(
                      r'/(\d{6}/\d{2})/', video_url, 'upload data', default=None)
                  if upload_date:
                      upload_date = upload_date.replace('/', '')
              if '/video/get_media' in video_url:
                  medias = self._download_json(video_url, video_id, fatal=False)
                  if isinstance(medias, list):
                      for media in medias:
                          if not isinstance(media, dict):
                              continue
                          video_url = url_or_none(media.get('videoUrl'))
                          if not video_url:
                              continue
                          height = int_or_none(media.get('quality'))
                          add_format(video_url, height)
                  continue
              add_format(video_url)
  
          # field_preference is unnecessary here, but kept for code-similarity with youtube-dl
          self._sort_formats(
              formats, field_preference=('height', 'width', 'fps', 'format_id'))
  
          video_uploader = self._html_search_regex(
              r'(?s)From:&nbsp;.+?<(?:a\b[^>]+\bhref=["\']/(?:(?:user|channel)s|model|pornstar)/|span\b[^>]+\bclass=["\']username)[^>]+>(.+?)<',
              webpage, 'uploader', default=None)
  
          def extract_vote_count(kind, name):
              return self._extract_count(
                  (r'<span[^>]+\bclass="votes%s"[^>]*>([\d,\.]+)</span>' % kind,
                   r'<span[^>]+\bclass=["\']votes%s["\'][^>]*\bdata-rating=["\'](\d+)' % kind),
                  webpage, name)
  
          view_count = self._extract_count(
              r'<span class="count">([\d,\.]+)</span> [Vv]iews', webpage, 'view')
          like_count = extract_vote_count('Up', 'like')
          dislike_count = extract_vote_count('Down', 'dislike')
          comment_count = self._extract_count(
              r'All Comments\s*<span>\(([\d,.]+)\)', webpage, 'comment')
  
          def extract_list(meta_key):
              div = self._search_regex(
                  r'(?s)<div[^>]+\bclass=["\'].*?\b%sWrapper[^>]*>(.+?)</div>'
                  % meta_key, webpage, meta_key, default=None)
              if div:
                  return [clean_html(x).strip() for x in re.findall(r'(?s)<a[^>]+\bhref=[^>]+>.+?</a>', div)]
  
          info = self._search_json_ld(webpage, video_id, default={})
          # description provided in JSON-LD is irrelevant
          info['description'] = None
  
          return merge_dicts({
              'id': video_id,
              'uploader': video_uploader,
              'upload_date': upload_date,
              'title': title,
              'thumbnail': thumbnail,
              'duration': duration,
              'view_count': view_count,
              'like_count': like_count,
              'dislike_count': dislike_count,
              'comment_count': comment_count,
              'formats': formats,
              'age_limit': 18,
              'tags': extract_list('tags'),
              'categories': extract_list('categories'),
              'cast': extract_list('pornstars'),
              'subtitles': subtitles,
          }, info)
  
  
  class PornHubPlaylistBaseIE(PornHubBaseIE):
      def _extract_page(self, url):
          return int_or_none(self._search_regex(
              r'\bpage=(\d+)', url, 'page', default=None))
  
      def _extract_entries(self, webpage, host):
          # Only process container div with main playlist content skipping
          # drop-down menu that uses similar pattern for videos (see
          # https://github.com/ytdl-org/youtube-dl/issues/11594).
          container = self._search_regex(
              r'(?s)(<div[^>]+class=["\']container.+)', webpage,
              'container', default=webpage)
  
          return [
              self.url_result(
                  'http://www.%s/%s' % (host, video_url),
                  PornHubIE.ie_key(), video_title=title)
              for video_url, title in orderedSet(re.findall(
                  r'href="/?(view_video\.php\?.*\bviewkey=[\da-z]+[^"]*)"[^>]*\s+title="([^"]+)"',
                  container))
          ]
  
  
  class PornHubUserIE(PornHubPlaylistBaseIE):
      _VALID_URL = r'(?P<url>https?://(?:[^/]+\.)?%s/(?:(?:user|channel)s|model|pornstar)/(?P<id>[^/?#&]+))(?:[?#&]|/(?!videos)|$)' % PornHubBaseIE._PORNHUB_HOST_RE
      _TESTS = [{
          'url': 'https://www.pornhub.com/model/zoe_ph',
          'playlist_mincount': 118,
      }, {
          'url': 'https://www.pornhub.com/pornstar/liz-vicious',
          'info_dict': {
              'id': 'liz-vicious',
          },
          'playlist_mincount': 118,
      }, {
          'url': 'https://www.pornhub.com/users/russianveet69',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/channels/povd',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/model/zoe_ph?abc=1',
          'only_matching': True,
      }, {
          # Unavailable via /videos page, but available with direct pagination
          # on pornstar page (see [1]), requires premium
          # 1. https://github.com/ytdl-org/youtube-dl/issues/27853
          'url': 'https://www.pornhubpremium.com/pornstar/sienna-west',
          'only_matching': True,
      }, {
          # Same as before, multi page
          'url': 'https://www.pornhubpremium.com/pornstar/lily-labeau',
          'only_matching': True,
      }, {
          'url': 'https://pornhubvybmsymdol4iibwgwtkpwmeyd6luq2gxajgjzfjvotyt5zhyd.onion/model/zoe_ph',
          'only_matching': True,
      }]
  
      def _real_extract(self, url):
          mobj = self._match_valid_url(url)
          user_id = mobj.group('id')
          videos_url = '%s/videos' % mobj.group('url')
          page = self._extract_page(url)
          if page:
              videos_url = update_url_query(videos_url, {'page': page})
          return self.url_result(
              videos_url, ie=PornHubPagedVideoListIE.ie_key(), video_id=user_id)
  
  
  class PornHubPagedPlaylistBaseIE(PornHubPlaylistBaseIE):
      @staticmethod
      def _has_more(webpage):
          return re.search(
              r'''(?x)
                  <li[^>]+\bclass=["\']page_next|
                  <link[^>]+\brel=["\']next|
                  <button[^>]+\bid=["\']moreDataBtn
              ''', webpage) is not None
  
      def _entries(self, url, host, item_id):
          page = self._extract_page(url)
  
          VIDEOS = '/videos'
  
          def download_page(base_url, num, fallback=False):
              note = 'Downloading page %d%s' % (num, ' (switch to fallback)' if fallback else '')
              return self._download_webpage(
                  base_url, item_id, note, query={'page': num})
  
          def is_404(e):
              return isinstance(e.cause, compat_HTTPError) and e.cause.code == 404
  
          base_url = url
          has_page = page is not None
          first_page = page if has_page else 1
          for page_num in (first_page, ) if has_page else itertools.count(first_page):
              try:
                  try:
                      webpage = download_page(base_url, page_num)
                  except ExtractorError as e:
                      # Some sources may not be available via /videos page,
                      # trying to fallback to main page pagination (see [1])
                      # 1. https://github.com/ytdl-org/youtube-dl/issues/27853
                      if is_404(e) and page_num == first_page and VIDEOS in base_url:
                          base_url = base_url.replace(VIDEOS, '')
                          webpage = download_page(base_url, page_num, fallback=True)
                      else:
                          raise
              except ExtractorError as e:
                  if is_404(e) and page_num != first_page:
                      break
                  raise
              page_entries = self._extract_entries(webpage, host)
              if not page_entries:
                  break
              for e in page_entries:
                  yield e
              if not self._has_more(webpage):
                  break
  
      def _real_extract(self, url):
          mobj = self._match_valid_url(url)
          host = mobj.group('host')
          item_id = mobj.group('id')
  
          self._login(host)
  
          return self.playlist_result(self._entries(url, host, item_id), item_id)
  
  
  class PornHubPagedVideoListIE(PornHubPagedPlaylistBaseIE):
      _VALID_URL = r'https?://(?:[^/]+\.)?%s/(?!playlist/)(?P<id>(?:[^/]+/)*[^/?#&]+)' % PornHubBaseIE._PORNHUB_HOST_RE
      _TESTS = [{
          'url': 'https://www.pornhub.com/model/zoe_ph/videos',
          'only_matching': True,
      }, {
          'url': 'http://www.pornhub.com/users/rushandlia/videos',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/pornstar/jenny-blighe/videos',
          'info_dict': {
              'id': 'pornstar/jenny-blighe/videos',
          },
          'playlist_mincount': 149,
      }, {
          'url': 'https://www.pornhub.com/pornstar/jenny-blighe/videos?page=3',
          'info_dict': {
              'id': 'pornstar/jenny-blighe/videos',
          },
          'playlist_mincount': 40,
      }, {
          # default sorting as Top Rated Videos
          'url': 'https://www.pornhub.com/channels/povd/videos',
          'info_dict': {
              'id': 'channels/povd/videos',
          },
          'playlist_mincount': 293,
      }, {
          # Top Rated Videos
          'url': 'https://www.pornhub.com/channels/povd/videos?o=ra',
          'only_matching': True,
      }, {
          # Most Recent Videos
          'url': 'https://www.pornhub.com/channels/povd/videos?o=da',
          'only_matching': True,
      }, {
          # Most Viewed Videos
          'url': 'https://www.pornhub.com/channels/povd/videos?o=vi',
          'only_matching': True,
      }, {
          'url': 'http://www.pornhub.com/users/zoe_ph/videos/public',
          'only_matching': True,
      }, {
          # Most Viewed Videos
          'url': 'https://www.pornhub.com/pornstar/liz-vicious/videos?o=mv',
          'only_matching': True,
      }, {
          # Top Rated Videos
          'url': 'https://www.pornhub.com/pornstar/liz-vicious/videos?o=tr',
          'only_matching': True,
      }, {
          # Longest Videos
          'url': 'https://www.pornhub.com/pornstar/liz-vicious/videos?o=lg',
          'only_matching': True,
      }, {
          # Newest Videos
          'url': 'https://www.pornhub.com/pornstar/liz-vicious/videos?o=cm',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/pornstar/liz-vicious/videos/paid',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/pornstar/liz-vicious/videos/fanonly',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/video',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/video?page=3',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/video/search?search=123',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/categories/teen',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/categories/teen?page=3',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/hd',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/hd?page=3',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/described-video',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/described-video?page=2',
          'only_matching': True,
      }, {
          'url': 'https://www.pornhub.com/video/incategories/60fps-1/hd-porn',
          'only_matching': True,
      }, {
          'url': 'https://pornhubvybmsymdol4iibwgwtkpwmeyd6luq2gxajgjzfjvotyt5zhyd.onion/model/zoe_ph/videos',
          'only_matching': True,
      }]
  
      @classmethod
      def suitable(cls, url):
          return (False
                  if PornHubIE.suitable(url) or PornHubUserIE.suitable(url) or PornHubUserVideosUploadIE.suitable(url)
                  else super(PornHubPagedVideoListIE, cls).suitable(url))
  
  
  class PornHubUserVideosUploadIE(PornHubPagedPlaylistBaseIE):
      _VALID_URL = r'(?P<url>https?://(?:[^/]+\.)?%s/(?:(?:user|channel)s|model|pornstar)/(?P<id>[^/]+)/videos/upload)' % PornHubBaseIE._PORNHUB_HOST_RE
      _TESTS = [{
          'url': 'https://www.pornhub.com/pornstar/jenny-blighe/videos/upload',
          'info_dict': {
              'id': 'jenny-blighe',
          },
          'playlist_mincount': 129,
      }, {
          'url': 'https://www.pornhub.com/model/zoe_ph/videos/upload',
          'only_matching': True,
      }, {
          'url': 'http://pornhubvybmsymdol4iibwgwtkpwmeyd6luq2gxajgjzfjvotyt5zhyd.onion/pornstar/jenny-blighe/videos/upload',
          'only_matching': True,
      }]
  
  
  class PornHubPlaylistIE(PornHubPlaylistBaseIE):
      _VALID_URL = r'(?P<url>https?://(?:[^/]+\.)?%s/playlist/(?P<id>[^/?#&]+))' % PornHubBaseIE._PORNHUB_HOST_RE
      _TESTS = [{
          'url': 'https://www.pornhub.com/playlist/44121572',
          'info_dict': {
              'id': '44121572',
          },
          'playlist_count': 77,
      }, {
          'url': 'https://www.pornhub.com/playlist/4667351',
          'only_matching': True,
      }, {
          'url': 'https://de.pornhub.com/playlist/4667351',
          'only_matching': True,
      }, {
          'url': 'https://de.pornhub.com/playlist/4667351?page=2',
          'only_matching': True,
      }]
  
      def _entries(self, url, host, item_id):
          webpage = self._download_webpage(url, item_id, 'Downloading page 1')
          playlist_id = self._search_regex(r'var\s+playlistId\s*=\s*"([^"]+)"', webpage, 'playlist_id')
          video_count = int_or_none(
              self._search_regex(r'var\s+itemsCount\s*=\s*([0-9]+)\s*\|\|', webpage, 'video_count'))
          token = self._search_regex(r'var\s+token\s*=\s*"([^"]+)"', webpage, 'token')
          page_count = math.ceil((video_count - 36) / 40.) + 1
          page_entries = self._extract_entries(webpage, host)
  
          def download_page(page_num):
              note = 'Downloading page {}'.format(page_num)
              page_url = 'https://www.{}/playlist/viewChunked'.format(host)
              return self._download_webpage(page_url, item_id, note, query={
                  'id': playlist_id,
                  'page': page_num,
                  'token': token,
              })
  
          for page_num in range(1, page_count + 1):
              if page_num > 1:
                  webpage = download_page(page_num)
                  page_entries = self._extract_entries(webpage, host)
              if not page_entries:
                  break
              for e in page_entries:
                  yield e
  
      def _real_extract(self, url):
          mobj = self._match_valid_url(url)
          host = mobj.group('host')
          item_id = mobj.group('id')
  
          self._login(host)
  
          return self.playlist_result(self._entries(mobj.group('url'), host, item_id), item_id)
  