text: # coding: utf-8
  from __future__ import unicode_literals
  
  import re
  
  from ..utils import (ExtractorError, determine_ext, int_or_none, js_to_json,
                       mimetype2ext, parse_iso8601, try_get, unescapeHTML)
  from .common import InfoExtractor
  
  
  class DVTVIE(InfoExtractor):
      IE_NAME = "dvtv"
      IE_DESC = "http://video.aktualne.cz/"
      _VALID_URL = r"https?://video\.aktualne\.cz/(?:[^/]+/)+r~(?P<id>[0-9a-f]{32})"
      _TESTS = [
          {
              "url": "http://video.aktualne.cz/dvtv/vondra-o-ceskem-stoleti-pri-pohledu-na-havla-mi-bylo-trapne/r~e5efe9ca855511e4833a0025900fea04/",
              "md5": "67cb83e4a955d36e1b5d31993134a0c2",
              "info_dict": {
                  "id": "dc0768de855511e49e4b0025900fea04",
                  "ext": "mp4",
                  "title": "Vondra o Českém století: Při pohledu na Havla mi bylo trapně",
                  "duration": 1484,
                  "upload_date": "20141217",
                  "timestamp": 1418792400,
              },
          },
          {
              "url": "http://video.aktualne.cz/dvtv/dvtv-16-12-2014-utok-talibanu-boj-o-kliniku-uprchlici/r~973eb3bc854e11e498be002590604f2e/",
              "info_dict": {
                  "title": r"DVTV 16. 12. 2014: útok Talibanu, boj o kliniku, uprchlíci",
                  "id": "973eb3bc854e11e498be002590604f2e",
              },
              "playlist": [
                  {
                      "md5": "da7ca6be4935532241fa9520b3ad91e4",
                      "info_dict": {
                          "id": "b0b40906854d11e4bdad0025900fea04",
                          "ext": "mp4",
                          "title": "Drtinová Veselovský TV 16. 12. 2014: Témata dne",
                          "description": "md5:0916925dea8e30fe84222582280b47a0",
                          "timestamp": 1418760010,
                          "upload_date": "20141216",
                      },
                  },
                  {
                      "md5": "5f7652a08b05009c1292317b449ffea2",
                      "info_dict": {
                          "id": "420ad9ec854a11e4bdad0025900fea04",
                          "ext": "mp4",
                          "title": "Školní masakr možná změní boj s Talibanem, říká novinářka",
                          "description": "md5:ff2f9f6de73c73d7cef4f756c1c1af42",
                          "timestamp": 1418760010,
                          "upload_date": "20141216",
                      },
                  },
                  {
                      "md5": "498eb9dfa97169f409126c617e2a3d64",
                      "info_dict": {
                          "id": "95d35580846a11e4b6d20025900fea04",
                          "ext": "mp4",
                          "title": "Boj o kliniku: Veřejný zájem, nebo právo na majetek?",
                          "description": "md5:889fe610a70fee5511dc3326a089188e",
                          "timestamp": 1418760010,
                          "upload_date": "20141216",
                      },
                  },
                  {
                      "md5": "b8dc6b744844032dab6ba3781a7274b9",
                      "info_dict": {
                          "id": "6fe14d66853511e4833a0025900fea04",
                          "ext": "mp4",
                          "title": "Pánek: Odmítání syrských uprchlíků je ostudou české vlády",
                          "description": "md5:544f86de6d20c4815bea11bf2ac3004f",
                          "timestamp": 1418760010,
                          "upload_date": "20141216",
                      },
                  },
              ],
          },
          {
              "url": "https://video.aktualne.cz/dvtv/zeman-si-jen-leci-mindraky-sobotku-nenavidi-a-babis-se-mu-te/r~960cdb3a365a11e7a83b0025900fea04/",
              "md5": "f8efe9656017da948369aa099788c8ea",
              "info_dict": {
                  "id": "3c496fec365911e7a6500025900fea04",
                  "ext": "mp4",
                  "title": "Zeman si jen léčí mindráky, Sobotku nenávidí a Babiš se mu teď hodí, tvrdí Kmenta",
                  "duration": 1103,
                  "upload_date": "20170511",
                  "timestamp": 1494514200,
              },
              "params": {
                  "skip_download": True,
              },
          },
          {
              "url": "http://video.aktualne.cz/v-cechach-poprve-zazni-zelenkova-zrestaurovana-mse/r~45b4b00483ec11e4883b002590604f2e/",
              "only_matching": True,
          },
          {
              # Test live stream video (liveStarter) parsing
              "url": "https://video.aktualne.cz/dvtv/zive-mistryne-sveta-eva-samkova-po-navratu-ze-sampionatu/r~182654c2288811e990fd0cc47ab5f122/",
              "md5": "2e552e483f2414851ca50467054f9d5d",
              "info_dict": {
                  "id": "8d116360288011e98c840cc47ab5f122",
                  "ext": "mp4",
                  "title": "Živě: Mistryně světa Eva Samková po návratu ze šampionátu",
                  "upload_date": "20190204",
                  "timestamp": 1549289591,
              },
              "params": {
                  # Video content is no longer available
                  "skip_download": True,
              },
          },
      ]
  
      def _parse_video_metadata(self, js, video_id, timestamp):
          data = self._parse_json(js, video_id, transform_source=js_to_json)
          title = unescapeHTML(data["title"])
  
          live_starter = try_get(data, lambda x: x["plugins"]["liveStarter"], dict)
          if live_starter:
              data.update(live_starter)
  
          formats = []
          for tracks in data.get("tracks", {}).values():
              for video in tracks:
                  video_url = video.get("src")
                  if not video_url:
                      continue
                  video_type = video.get("type")
                  ext = determine_ext(video_url, mimetype2ext(video_type))
                  if video_type == "application/vnd.apple.mpegurl" or ext == "m3u8":
                      formats.extend(
                          self._extract_m3u8_formats(
                              video_url,
                              video_id,
                              "mp4",
                              entry_protocol="m3u8_native",
                              m3u8_id="hls",
                              fatal=False,
                          )
                      )
                  elif video_type == "application/dash+xml" or ext == "mpd":
                      formats.extend(
                          self._extract_mpd_formats(
                              video_url, video_id, mpd_id="dash", fatal=False
                          )
                      )
                  else:
                      label = video.get("label")
                      height = self._search_regex(
                          r"^(\d+)[pP]", label or "", "height", default=None
                      )
                      format_id = ["http"]
                      for f in (ext, label):
                          if f:
                              format_id.append(f)
                      formats.append(
                          {
                              "url": video_url,
                              "format_id": "-".join(format_id),
                              "height": int_or_none(height),
                          }
                      )
          self._sort_formats(formats)
  
          return {
              "id": data.get("mediaid") or video_id,
              "title": title,
              "description": data.get("description"),
              "thumbnail": data.get("image"),
              "duration": int_or_none(data.get("duration")),
              "timestamp": int_or_none(timestamp),
              "formats": formats,
          }
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          webpage = self._download_webpage(url, video_id)
          timestamp = parse_iso8601(
              self._html_search_meta(
                  "article:published_time", webpage, "published time", default=None
              )
          )
  
          items = re.findall(r"(?s)playlist\.push\(({.+?})\);", webpage)
          if items:
              return self.playlist_result(
                  [self._parse_video_metadata(i, video_id, timestamp) for i in items],
                  video_id,
                  self._html_search_meta("twitter:title", webpage),
              )
  
          item = self._search_regex(
              r"(?s)BBXPlayer\.setup\((.+?)\);", webpage, "video", default=None
          )
          if item:
              # remove function calls (ex. htmldeentitize)
              # TODO this should be fixed in a general way in the js_to_json
              item = re.sub(r"\w+?\((.+)\)", r"\1", item)
              return self._parse_video_metadata(item, video_id, timestamp)
  
          raise ExtractorError("Could not find neither video nor playlist")
  