youtube_dl/extractor/rice.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import re
   5
   6 from .common import InfoExtractor
   7 from ..compat import compat_parse_qs
   8 from ..utils import (
   9     xpath_text,
  10     xpath_element,
  11     int_or_none,
  12     parse_iso8601,
  13     ExtractorError,
  14 )
  15
  16
  17 class RICEIE(InfoExtractor):
  18     _VALID_URL = r'https?://mediahub\.rice\.edu/app/[Pp]ortal/video\.aspx\?(?P<query>.+)'
  19     _TEST = {
  20         'url': 'https://mediahub.rice.edu/app/Portal/video.aspx?PortalID=25ffd62c-3d01-4b29-8c70-7c94270efb3e&DestinationID=66bc9434-03bd-4725-b47e-c659d8d809db&ContentID=YEWIvbhb40aqdjMD1ALSqw',
  21         'md5': '9b83b4a2eead4912dc3b7fac7c449b6a',
  22         'info_dict': {
  23             'id': 'YEWIvbhb40aqdjMD1ALSqw',
  24             'ext': 'mp4',
  25             'title': 'Active Learning in Archeology',
  26             'upload_date': '20140616',
  27             'timestamp': 1402926346,
  28         }
  29     }
  30     _NS = 'http://schemas.datacontract.org/2004/07/ensembleVideo.Data.Service.Contracts.Models.Player.Config'
  31
  32     def _real_extract(self, url):
  33         qs = compat_parse_qs(re.match(self._VALID_URL, url).group('query'))
  34         if not qs.get('PortalID') or not qs.get('DestinationID') or not qs.get('ContentID'):
  35             raise ExtractorError('Invalid URL', expected=True)
  36
  37         portal_id = qs['PortalID'][0]
  38         playlist_id = qs['DestinationID'][0]
  39         content_id = qs['ContentID'][0]
  40
  41         content_data = self._download_xml('https://mediahub.rice.edu/api/portal/GetContentTitle', content_id, query={
  42             'portalId': portal_id,
  43             'playlistId': playlist_id,
  44             'contentId': content_id
  45         })
  46         metadata = xpath_element(content_data, './/metaData', fatal=True)
  47         title = xpath_text(metadata, 'primaryTitle', fatal=True)
  48         encodings = xpath_element(content_data, './/encodings', fatal=True)
  49         player_data = self._download_xml('https://mediahub.rice.edu/api/player/GetPlayerConfig', content_id, query={
  50             'temporaryLinkId': xpath_text(encodings, 'temporaryLinkId', fatal=True),
  51             'contentId': content_id,
  52         })
  53
  54         common_fmt = {}
  55         dimensions = xpath_text(encodings, 'dimensions')
  56         if dimensions:
  57             wh = dimensions.split('x')
  58             if len(wh) == 2:
  59                 common_fmt.update({
  60                     'width': int_or_none(wh[0]),
  61                     'height': int_or_none(wh[1]),
  62                 })
  63
  64         formats = []
  65         rtsp_path = xpath_text(player_data, self._xpath_ns('RtspPath', self._NS))
  66         if rtsp_path:
  67             fmt = {
  68                 'url': rtsp_path,
  69                 'format_id': 'rtsp',
  70             }
  71             fmt.update(common_fmt)
  72             formats.append(fmt)
  73         for source in player_data.findall(self._xpath_ns('.//Source', self._NS)):
  74             video_url = xpath_text(source, self._xpath_ns('File', self._NS))
  75             if not video_url:
  76                 continue
  77             if '.m3u8' in video_url:
  78                 formats.extend(self._extract_m3u8_formats(video_url, content_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
  79             else:
  80                 fmt = {
  81                     'url': video_url,
  82                     'format_id': video_url.split(':')[0],
  83                 }
  84                 fmt.update(common_fmt)
  85                 rtmp = re.search(r'^(?P<url>rtmp://[^/]+/(?P<app>.+))/(?P<playpath>mp4:.+)$', video_url)
  86                 if rtmp:
  87                     fmt.update({
  88                         'url': rtmp.group('url'),
  89                         'play_path': rtmp.group('playpath'),
  90                         'app': rtmp.group('app'),
  91                         'ext': 'flv',
  92                     })
  93                 formats.append(fmt)
  94         self._sort_formats(formats)
  95
  96         thumbnails = []
  97         for content_asset in content_data.findall('.//contentAssets'):
  98             asset_type = xpath_text(content_asset, 'type')
  99             if asset_type == 'image':
 100                 image_url = xpath_text(content_asset, 'httpPath')
 101                 if not image_url:
 102                     continue
 103                 thumbnails.append({
 104                     'id': xpath_text(content_asset, 'ID'),
 105                     'url': image_url,
 106                 })
 107
 108         return {
 109             'id': content_id,
 110             'title': title,
 111             'description': xpath_text(metadata, 'abstract'),
 112             'duration': int_or_none(xpath_text(metadata, 'duration')),
 113             'timestamp': parse_iso8601(xpath_text(metadata, 'dateUpdated')),
 114             'thumbnails': thumbnails,
 115             'formats': formats,
 116         }