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path: root/youtube_dl/extractor/ciscolive.py
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    1 # coding: utf-8
    2 from __future__ import unicode_literals
    3 
    4 import itertools
    5 
    6 from .common import InfoExtractor
    7 from ..compat import (
    8     compat_parse_qs,
    9     compat_urllib_parse_urlparse,
   10 )
   11 from ..utils import (
   12     clean_html,
   13     float_or_none,
   14     int_or_none,
   15     try_get,
   16     urlencode_postdata,
   17 )
   18 
   19 
   20 class CiscoLiveBaseIE(InfoExtractor):
   21     # These appear to be constant across all Cisco Live presentations
   22     # and are not tied to any user session or event
   23     RAINFOCUS_API_URL = 'https://events.rainfocus.com/api/%s'
   24     RAINFOCUS_API_PROFILE_ID = 'Na3vqYdAlJFSxhYTYQGuMbpafMqftalz'
   25     RAINFOCUS_WIDGET_ID = 'n6l4Lo05R8fiy3RpUBm447dZN8uNWoye'
   26     BRIGHTCOVE_URL_TEMPLATE = 'http://players.brightcove.net/5647924234001/SyK2FdqjM_default/index.html?videoId=%s'
   27 
   28     HEADERS = {
   29         'Origin': 'https://ciscolive.cisco.com',
   30         'rfApiProfileId': RAINFOCUS_API_PROFILE_ID,
   31         'rfWidgetId': RAINFOCUS_WIDGET_ID,
   32     }
   33 
   34     def _call_api(self, ep, rf_id, query, referrer, note=None):
   35         headers = self.HEADERS.copy()
   36         headers['Referer'] = referrer
   37         return self._download_json(
   38             self.RAINFOCUS_API_URL % ep, rf_id, note=note,
   39             data=urlencode_postdata(query), headers=headers)
   40 
   41     def _parse_rf_item(self, rf_item):
   42         event_name = rf_item.get('eventName')
   43         title = rf_item['title']
   44         description = clean_html(rf_item.get('abstract'))
   45         presenter_name = try_get(rf_item, lambda x: x['participants'][0]['fullName'])
   46         bc_id = rf_item['videos'][0]['url']
   47         bc_url = self.BRIGHTCOVE_URL_TEMPLATE % bc_id
   48         duration = float_or_none(try_get(rf_item, lambda x: x['times'][0]['length']))
   49         location = try_get(rf_item, lambda x: x['times'][0]['room'])
   50 
   51         if duration:
   52             duration = duration * 60
   53 
   54         return {
   55             '_type': 'url_transparent',
   56             'url': bc_url,
   57             'ie_key': 'BrightcoveNew',
   58             'title': title,
   59             'description': description,
   60             'duration': duration,
   61             'creator': presenter_name,
   62             'location': location,
   63             'series': event_name,
   64         }
   65 
   66 
   67 class CiscoLiveSessionIE(CiscoLiveBaseIE):
   68     _VALID_URL = r'https?://(?:www\.)?ciscolive(?:\.cisco)?\.com/[^#]*#/session/(?P<id>[^/?&]+)'
   69     _TESTS = [{
   70         'url': 'https://ciscolive.cisco.com/on-demand-library/?#/session/1423353499155001FoSs',
   71         'md5': 'c98acf395ed9c9f766941c70f5352e22',
   72         'info_dict': {
   73             'id': '5803694304001',
   74             'ext': 'mp4',
   75             'title': '13 Smart Automations to Monitor Your Cisco IOS Network',
   76             'description': 'md5:ec4a436019e09a918dec17714803f7cc',
   77             'timestamp': 1530305395,
   78             'upload_date': '20180629',
   79             'uploader_id': '5647924234001',
   80             'location': '16B Mezz.',
   81         },
   82     }, {
   83         'url': 'https://www.ciscolive.com/global/on-demand-library.html?search.event=ciscoliveemea2019#/session/15361595531500013WOU',
   84         'only_matching': True,
   85     }, {
   86         'url': 'https://www.ciscolive.com/global/on-demand-library.html?#/session/1490051371645001kNaS',
   87         'only_matching': True,
   88     }]
   89 
   90     def _real_extract(self, url):
   91         rf_id = self._match_id(url)
   92         rf_result = self._call_api('session', rf_id, {'id': rf_id}, url)
   93         return self._parse_rf_item(rf_result['items'][0])
   94 
   95 
   96 class CiscoLiveSearchIE(CiscoLiveBaseIE):
   97     _VALID_URL = r'https?://(?:www\.)?ciscolive(?:\.cisco)?\.com/(?:global/)?on-demand-library(?:\.html|/)'
   98     _TESTS = [{
   99         'url': 'https://ciscolive.cisco.com/on-demand-library/?search.event=ciscoliveus2018&search.technicallevel=scpsSkillLevel_aintroductory&search.focus=scpsSessionFocus_designAndDeployment#/',
  100         'info_dict': {
  101             'title': 'Search query',
  102         },
  103         'playlist_count': 5,
  104     }, {
  105         'url': 'https://ciscolive.cisco.com/on-demand-library/?search.technology=scpsTechnology_applicationDevelopment&search.technology=scpsTechnology_ipv6&search.focus=scpsSessionFocus_troubleshootingTroubleshooting#/',
  106         'only_matching': True,
  107     }, {
  108         'url': 'https://www.ciscolive.com/global/on-demand-library.html?search.technicallevel=scpsSkillLevel_aintroductory&search.event=ciscoliveemea2019&search.technology=scpsTechnology_dataCenter&search.focus=scpsSessionFocus_bestPractices#/',
  109         'only_matching': True,
  110     }]
  111 
  112     @classmethod
  113     def suitable(cls, url):
  114         return False if CiscoLiveSessionIE.suitable(url) else super(CiscoLiveSearchIE, cls).suitable(url)
  115 
  116     @staticmethod
  117     def _check_bc_id_exists(rf_item):
  118         return int_or_none(try_get(rf_item, lambda x: x['videos'][0]['url'])) is not None
  119 
  120     def _entries(self, query, url):
  121         query['size'] = 50
  122         query['from'] = 0
  123         for page_num in itertools.count(1):
  124             results = self._call_api(
  125                 'search', None, query, url,
  126                 'Downloading search JSON page %d' % page_num)
  127             sl = try_get(results, lambda x: x['sectionList'][0], dict)
  128             if sl:
  129                 results = sl
  130             items = results.get('items')
  131             if not items or not isinstance(items, list):
  132                 break
  133             for item in items:
  134                 if not isinstance(item, dict):
  135                     continue
  136                 if not self._check_bc_id_exists(item):
  137                     continue
  138                 yield self._parse_rf_item(item)
  139             size = int_or_none(results.get('size'))
  140             if size is not None:
  141                 query['size'] = size
  142             total = int_or_none(results.get('total'))
  143             if total is not None and query['from'] + query['size'] > total:
  144                 break
  145             query['from'] += query['size']
  146 
  147     def _real_extract(self, url):
  148         query = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
  149         query['type'] = 'session'
  150         return self.playlist_result(
  151             self._entries(query, url), playlist_title='Search query')

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