_ Git - youtube-dl/blob - youtube_dl/extractor/sandia.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import itertools
   5 import json
   6 import re
   7
   8 from .common import InfoExtractor
   9 from ..compat import compat_urlparse
  10 from ..utils import (
  11     int_or_none,
  12     js_to_json,
  13     mimetype2ext,
  14     sanitized_Request,
  15     unified_strdate,
  16 )
  17
  18
  19 class SandiaIE(InfoExtractor):
  20     IE_DESC = 'Sandia National Laboratories'
  21     _VALID_URL = r'https?://digitalops\.sandia\.gov/Mediasite/Play/(?P<id>[0-9a-f]+)'
  22     _TEST = {
  23         'url': 'http://digitalops.sandia.gov/Mediasite/Play/24aace4429fc450fb5b38cdbf424a66e1d',
  24         'md5': '9422edc9b9a60151727e4b6d8bef393d',
  25         'info_dict': {
  26             'id': '24aace4429fc450fb5b38cdbf424a66e1d',
  27             'ext': 'mp4',
  28             'title': 'Xyce Software Training - Section 1',
  29             'description': 're:(?s)SAND Number: SAND 2013-7800.{200,}',
  30             'upload_date': '20120409',
  31             'timestamp': 1333983600,
  32             'duration': 7794,
  33         }
  34     }
  35
  36     def _real_extract(self, url):
  37         video_id = self._match_id(url)
  38
  39         presentation_data = self._download_json(
  40             'http://digitalops.sandia.gov/Mediasite/PlayerService/PlayerService.svc/json/GetPlayerOptions',
  41             video_id, data=json.dumps({
  42                 'getPlayerOptionsRequest': {
  43                     'ResourceId': video_id,
  44                     'QueryString': '',
  45                 }
  46             }), headers={
  47                 'Content-Type': 'application/json; charset=utf-8',
  48             })['d']['Presentation']
  49
  50         title = presentation_data['Title']
  51
  52         formats = []
  53         for stream in presentation_data.get('Streams', []):
  54             for fd in stream.get('VideoUrls', []):
  55                 formats.append({
  56                     'format_id': fd['MediaType'],
  57                     'format_note': fd['MimeType'].partition('/')[2],
  58                     'ext': mimetype2ext(fd['MimeType']),
  59                     'url': fd['Location'],
  60                     'protocol': 'f4m' if fd['MimeType'] == 'video/x-mp4-fragmented' else None,
  61                 })
  62         self._sort_formats(formats)
  63
  64         return {
  65             'id': video_id,
  66             'title': title,
  67             'description': presentation_data.get('Description'),
  68             'formats': formats,
  69             'timestamp': int_or_none(presentation_data.get('UnixTime'), 1000),
  70             'duration': int_or_none(presentation_data.get('Duration'), 1000),
  71         }