text: # coding: utf-8
  from __future__ import unicode_literals
  
  import json
  import re
  
  from .common import InfoExtractor
  from ..compat import compat_str
  from ..utils import (
      js_to_json,
      smuggle_url,
      try_get,
      xpath_text,
      xpath_element,
      xpath_with_ns,
      find_xpath_attr,
      parse_duration,
      parse_iso8601,
      parse_age_limit,
      int_or_none,
      ExtractorError,
  )
  
  
  class CBCIE(InfoExtractor):
      IE_NAME = 'cbc.ca'
      _VALID_URL = r'https?://(?:www\.)?cbc\.ca/(?!player/)(?:[^/]+/)+(?P<id>[^/?#]+)'
      _TESTS = [{
          # with mediaId
          'url': 'http://www.cbc.ca/22minutes/videos/clips-season-23/don-cherry-play-offs',
          'md5': '97e24d09672fc4cf56256d6faa6c25bc',
          'info_dict': {
              'id': '2682904050',
              'ext': 'mp4',
              'title': 'Don Cherry – All-Stars',
              'description': 'Don Cherry has a bee in his bonnet about AHL player John Scott because that guy’s got heart.',
              'timestamp': 1454463000,
              'upload_date': '20160203',
              'uploader': 'CBCC-NEW',
          },
          'skip': 'Geo-restricted to Canada',
      }, {
          # with clipId, feed available via tpfeed.cbc.ca and feed.theplatform.com
          'url': 'http://www.cbc.ca/22minutes/videos/22-minutes-update/22-minutes-update-episode-4',
          'md5': '162adfa070274b144f4fdc3c3b8207db',
          'info_dict': {
              'id': '2414435309',
              'ext': 'mp4',
              'title': '22 Minutes Update: What Not To Wear Quebec',
              'description': "This week's latest Canadian top political story is What Not To Wear Quebec.",
              'upload_date': '20131025',
              'uploader': 'CBCC-NEW',
              'timestamp': 1382717907,
          },
      }, {
          # with clipId, feed only available via tpfeed.cbc.ca
          'url': 'http://www.cbc.ca/archives/entry/1978-robin-williams-freestyles-on-90-minutes-live',
          'md5': '0274a90b51a9b4971fe005c63f592f12',
          'info_dict': {
              'id': '2487345465',
              'ext': 'mp4',
              'title': 'Robin Williams freestyles on 90 Minutes Live',
              'description': 'Wacky American comedian Robin Williams shows off his infamous "freestyle" comedic talents while being interviewed on CBC\'s 90 Minutes Live.',
              'upload_date': '19780210',
              'uploader': 'CBCC-NEW',
              'timestamp': 255977160,
          },
      }, {
          # multiple iframes
          'url': 'http://www.cbc.ca/natureofthings/blog/birds-eye-view-from-vancouvers-burrard-street-bridge-how-we-got-the-shot',
          'playlist': [{
              'md5': '377572d0b49c4ce0c9ad77470e0b96b4',
              'info_dict': {
                  'id': '2680832926',
                  'ext': 'mp4',
                  'title': 'An Eagle\'s-Eye View Off Burrard Bridge',
                  'description': 'Hercules the eagle flies from Vancouver\'s Burrard Bridge down to a nearby park with a mini-camera strapped to his back.',
                  'upload_date': '20160201',
                  'timestamp': 1454342820,
                  'uploader': 'CBCC-NEW',
              },
          }, {
              'md5': '415a0e3f586113894174dfb31aa5bb1a',
              'info_dict': {
                  'id': '2658915080',
                  'ext': 'mp4',
                  'title': 'Fly like an eagle!',
                  'description': 'Eagle equipped with a mini camera flies from the world\'s tallest tower',
                  'upload_date': '20150315',
                  'timestamp': 1426443984,
                  'uploader': 'CBCC-NEW',
              },
          }],
          'skip': 'Geo-restricted to Canada',
      }, {
          # multiple CBC.APP.Caffeine.initInstance(...)
          'url': 'http://www.cbc.ca/news/canada/calgary/dog-indoor-exercise-winter-1.3928238',
          'info_dict': {
              'title': 'Keep Rover active during the deep freeze with doggie pushups and other fun indoor tasks',
              'id': 'dog-indoor-exercise-winter-1.3928238',
              'description': 'md5:c18552e41726ee95bd75210d1ca9194c',
          },
          'playlist_mincount': 6,
      }]
  
      @classmethod
      def suitable(cls, url):
          return False if CBCPlayerIE.suitable(url) else super(CBCIE, cls).suitable(url)
  
      def _extract_player_init(self, player_init, display_id):
          player_info = self._parse_json(player_init, display_id, js_to_json)
          media_id = player_info.get('mediaId')
          if not media_id:
              clip_id = player_info['clipId']
              feed = self._download_json(
                  'http://tpfeed.cbc.ca/f/ExhSPC/vms_5akSXx4Ng_Zn?byCustomValue={:mpsReleases}{%s}' % clip_id,
                  clip_id, fatal=False)
              if feed:
                  media_id = try_get(feed, lambda x: x['entries'][0]['guid'], compat_str)
              if not media_id:
                  media_id = self._download_json(
                      'http://feed.theplatform.com/f/h9dtGB/punlNGjMlc1F?fields=id&byContent=byReleases%3DbyId%253D' + clip_id,
                      clip_id)['entries'][0]['id'].split('/')[-1]
          return self.url_result('cbcplayer:%s' % media_id, 'CBCPlayer', media_id)
  
      def _real_extract(self, url):
          display_id = self._match_id(url)
          webpage = self._download_webpage(url, display_id)
          entries = [
              self._extract_player_init(player_init, display_id)
              for player_init in re.findall(r'CBC\.APP\.Caffeine\.initInstance\(({.+?})\);', webpage)]
          entries.extend([
              self.url_result('cbcplayer:%s' % media_id, 'CBCPlayer', media_id)
              for media_id in re.findall(r'<iframe[^>]+src="[^"]+?mediaId=(\d+)"', webpage)])
          return self.playlist_result(
              entries, display_id,
              self._og_search_title(webpage, fatal=False),
              self._og_search_description(webpage))
  
  
  class CBCPlayerIE(InfoExtractor):
      IE_NAME = 'cbc.ca:player'
      _VALID_URL = r'(?:cbcplayer:|https?://(?:www\.)?cbc\.ca/(?:player/play/|i/caffeine/syndicate/\?mediaId=))(?P<id>\d+)'
      _TESTS = [{
          'url': 'http://www.cbc.ca/player/play/2683190193',
          'md5': '64d25f841ddf4ddb28a235338af32e2c',
          'info_dict': {
              'id': '2683190193',
              'ext': 'mp4',
              'title': 'Gerry Runs a Sweat Shop',
              'description': 'md5:b457e1c01e8ff408d9d801c1c2cd29b0',
              'timestamp': 1455071400,
              'upload_date': '20160210',
              'uploader': 'CBCC-NEW',
          },
          'skip': 'Geo-restricted to Canada',
      }, {
          # Redirected from http://www.cbc.ca/player/AudioMobile/All%20in%20a%20Weekend%20Montreal/ID/2657632011/
          'url': 'http://www.cbc.ca/player/play/2657631896',
          'md5': 'e5e708c34ae6fca156aafe17c43e8b75',
          'info_dict': {
              'id': '2657631896',
              'ext': 'mp3',
              'title': 'CBC Montreal is organizing its first ever community hackathon!',
              'description': 'The modern technology we tend to depend on so heavily, is never without it\'s share of hiccups and headaches. Next weekend - CBC Montreal will be getting members of the public for its first Hackathon.',
              'timestamp': 1425704400,
              'upload_date': '20150307',
              'uploader': 'CBCC-NEW',
          },
      }, {
          'url': 'http://www.cbc.ca/player/play/2164402062',
          'md5': '33fcd8f6719b9dd60a5e73adcb83b9f6',
          'info_dict': {
              'id': '2164402062',
              'ext': 'mp4',
              'title': 'Cancer survivor four times over',
              'description': 'Tim Mayer has beaten three different forms of cancer four times in five years.',
              'timestamp': 1320410746,
              'upload_date': '20111104',
              'uploader': 'CBCC-NEW',
          },
      }]
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          return {
              '_type': 'url_transparent',
              'ie_key': 'ThePlatform',
              'url': smuggle_url(
                  'http://link.theplatform.com/s/ExhSPC/media/guid/2655402169/%s?mbr=true&formats=MPEG4,FLV,MP3' % video_id, {
                      'force_smil_url': True
                  }),
              'id': video_id,
          }
  
  
  class CBCWatchBaseIE(InfoExtractor):
      _device_id = None
      _device_token = None
      _API_BASE_URL = 'https://api-cbc.cloud.clearleap.com/cloffice/client/'
      _NS_MAP = {
          'media': 'http://search.yahoo.com/mrss/',
          'clearleap': 'http://www.clearleap.com/namespace/clearleap/1.0/',
      }
      _GEO_COUNTRIES = ['CA']
  
      def _call_api(self, path, video_id):
          url = path if path.startswith('http') else self._API_BASE_URL + path
          result = self._download_xml(url, video_id, headers={
              'X-Clearleap-DeviceId': self._device_id,
              'X-Clearleap-DeviceToken': self._device_token,
          })
          error_message = xpath_text(result, 'userMessage') or xpath_text(result, 'systemMessage')
          if error_message:
              raise ExtractorError('%s said: %s' % (self.IE_NAME, error_message))
          return result
  
      def _real_initialize(self):
          if not self._device_id or not self._device_token:
              device = self._downloader.cache.load('cbcwatch', 'device') or {}
              self._device_id, self._device_token = device.get('id'), device.get('token')
              if not self._device_id or not self._device_token:
                  result = self._download_xml(
                      self._API_BASE_URL + 'device/register',
                      None, data=b'<device><type>web</type></device>')
                  self._device_id = xpath_text(result, 'deviceId', fatal=True)
                  self._device_token = xpath_text(result, 'deviceToken', fatal=True)
                  self._downloader.cache.store(
                      'cbcwatch', 'device', {
                          'id': self._device_id,
                          'token': self._device_token,
                      })
  
      def _parse_rss_feed(self, rss):
          channel = xpath_element(rss, 'channel', fatal=True)
  
          def _add_ns(path):
              return xpath_with_ns(path, self._NS_MAP)
  
          entries = []
          for item in channel.findall('item'):
              guid = xpath_text(item, 'guid', fatal=True)
              title = xpath_text(item, 'title', fatal=True)
  
              media_group = xpath_element(item, _add_ns('media:group'), fatal=True)
              content = xpath_element(media_group, _add_ns('media:content'), fatal=True)
              content_url = content.attrib['url']
  
              thumbnails = []
              for thumbnail in media_group.findall(_add_ns('media:thumbnail')):
                  thumbnail_url = thumbnail.get('url')
                  if not thumbnail_url:
                      continue
                  thumbnails.append({
                      'id': thumbnail.get('profile'),
                      'url': thumbnail_url,
                      'width': int_or_none(thumbnail.get('width')),
                      'height': int_or_none(thumbnail.get('height')),
                  })
  
              timestamp = None
              release_date = find_xpath_attr(
                  item, _add_ns('media:credit'), 'role', 'releaseDate')
              if release_date is not None:
                  timestamp = parse_iso8601(release_date.text)
  
              entries.append({
                  '_type': 'url_transparent',
                  'url': content_url,
                  'id': guid,
                  'title': title,
                  'description': xpath_text(item, 'description'),
                  'timestamp': timestamp,
                  'duration': int_or_none(content.get('duration')),
                  'age_limit': parse_age_limit(xpath_text(item, _add_ns('media:rating'))),
                  'episode': xpath_text(item, _add_ns('clearleap:episode')),
                  'episode_number': int_or_none(xpath_text(item, _add_ns('clearleap:episodeInSeason'))),
                  'series': xpath_text(item, _add_ns('clearleap:series')),
                  'season_number': int_or_none(xpath_text(item, _add_ns('clearleap:season'))),
                  'thumbnails': thumbnails,
                  'ie_key': 'CBCWatchVideo',
              })
  
          return self.playlist_result(
              entries, xpath_text(channel, 'guid'),
              xpath_text(channel, 'title'),
              xpath_text(channel, 'description'))
  
  
  class CBCWatchVideoIE(CBCWatchBaseIE):
      IE_NAME = 'cbc.ca:watch:video'
      _VALID_URL = r'https?://api-cbc\.cloud\.clearleap\.com/cloffice/client/web/play/?\?.*?\bcontentId=(?P<id>[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12})'
      _TEST = {
          # geo-restricted to Canada, bypassable
          'url': 'https://api-cbc.cloud.clearleap.com/cloffice/client/web/play/?contentId=3c84472a-1eea-4dee-9267-2655d5055dcf&categoryId=ebc258f5-ee40-4cca-b66b-ba6bd55b7235',
          'only_matching': True,
      }
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          result = self._call_api(url, video_id)
  
          m3u8_url = xpath_text(result, 'url', fatal=True)
          formats = self._extract_m3u8_formats(re.sub(r'/([^/]+)/[^/?]+\.m3u8', r'/\1/\1.m3u8', m3u8_url), video_id, 'mp4', fatal=False)
          if len(formats) < 2:
              formats = self._extract_m3u8_formats(m3u8_url, video_id, 'mp4')
          for f in formats:
              format_id = f.get('format_id')
              if format_id.startswith('AAC'):
                  f['acodec'] = 'aac'
              elif format_id.startswith('AC3'):
                  f['acodec'] = 'ac-3'
          self._sort_formats(formats)
  
          info = {
              'id': video_id,
              'title': video_id,
              'formats': formats,
          }
  
          rss = xpath_element(result, 'rss')
          if rss:
              info.update(self._parse_rss_feed(rss)['entries'][0])
              del info['url']
              del info['_type']
              del info['ie_key']
          return info
  
  
  class CBCWatchIE(CBCWatchBaseIE):
      IE_NAME = 'cbc.ca:watch'
      _VALID_URL = r'https?://watch\.cbc\.ca/(?:[^/]+/)+(?P<id>[0-9a-f-]+)'
      _TESTS = [{
          # geo-restricted to Canada, bypassable
          'url': 'http://watch.cbc.ca/doc-zone/season-6/customer-disservice/38e815a-009e3ab12e4',
          'info_dict': {
              'id': '9673749a-5e77-484c-8b62-a1092a6b5168',
              'ext': 'mp4',
              'title': 'Customer (Dis)Service',
              'description': 'md5:8bdd6913a0fe03d4b2a17ebe169c7c87',
              'upload_date': '20160219',
              'timestamp': 1455840000,
          },
          'params': {
              # m3u8 download
              'skip_download': True,
              'format': 'bestvideo',
          },
      }, {
          # geo-restricted to Canada, bypassable
          'url': 'http://watch.cbc.ca/arthur/all/1ed4b385-cd84-49cf-95f0-80f004680057',
          'info_dict': {
              'id': '1ed4b385-cd84-49cf-95f0-80f004680057',
              'title': 'Arthur',
              'description': 'Arthur, the sweetest 8-year-old aardvark, and his pals solve all kinds of problems with humour, kindness and teamwork.',
          },
          'playlist_mincount': 30,
      }]
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
          rss = self._call_api('web/browse/' + video_id, video_id)
          return self._parse_rss_feed(rss)
  
  
  class CBCOlympicsIE(InfoExtractor):
      IE_NAME = 'cbc.ca:olympics'
      _VALID_URL = r'https?://olympics\.cbc\.ca/video/[^/]+/(?P<id>[^/?#]+)'
      _TESTS = [{
          'url': 'https://olympics.cbc.ca/video/whats-on-tv/olympic-morning-featuring-the-opening-ceremony/',
          'only_matching': True,
      }]
  
      def _real_extract(self, url):
          display_id = self._match_id(url)
          webpage = self._download_webpage(url, display_id)
          video_id = self._hidden_inputs(webpage)['videoId']
          video_doc = self._download_xml(
              'https://olympics.cbc.ca/videodata/%s.xml' % video_id, video_id)
          title = xpath_text(video_doc, 'title', fatal=True)
          is_live = xpath_text(video_doc, 'kind') == 'Live'
          if is_live:
              title = self._live_title(title)
  
          formats = []
          for video_source in video_doc.findall('videoSources/videoSource'):
              uri = xpath_text(video_source, 'uri')
              if not uri:
                  continue
              tokenize = self._download_json(
                  'https://olympics.cbc.ca/api/api-akamai/tokenize',
                  video_id, data=json.dumps({
                      'VideoSource': uri,
                  }).encode(), headers={
                      'Content-Type': 'application/json',
                      'Referer': url,
                      # d3.VideoPlayer._init in https://olympics.cbc.ca/components/script/base.js
                      'Cookie': '_dvp=TK:C0ObxjerU',  # AKAMAI CDN cookie
                  }, fatal=False)
              if not tokenize:
                  continue
              content_url = tokenize['ContentUrl']
              video_source_format = video_source.get('format')
              if video_source_format == 'IIS':
                  formats.extend(self._extract_ism_formats(
                      content_url, video_id, ism_id=video_source_format, fatal=False))
              else:
                  formats.extend(self._extract_m3u8_formats(
                      content_url, video_id, 'mp4',
                      'm3u8' if is_live else 'm3u8_native',
                      m3u8_id=video_source_format, fatal=False))
          self._sort_formats(formats)
  
          return {
              'id': video_id,
              'display_id': display_id,
              'title': title,
              'description': xpath_text(video_doc, 'description'),
              'thumbnail': xpath_text(video_doc, 'thumbnailUrl'),
              'duration': parse_duration(xpath_text(video_doc, 'duration')),
              'formats': formats,
              'is_live': is_live,
          }
  