wistia.py (7230B)
1 from __future__ import unicode_literals 2 3 import re 4 5 from .common import InfoExtractor 6 from ..utils import ( 7 ExtractorError, 8 float_or_none, 9 int_or_none, 10 try_get, 11 unescapeHTML, 12 ) 13 14 15 class WistiaBaseIE(InfoExtractor): 16 _VALID_ID_REGEX = r'(?P<id>[a-z0-9]{10})' 17 _VALID_URL_BASE = r'https?://(?:fast\.)?wistia\.(?:net|com)/embed/' 18 _EMBED_BASE_URL = 'http://fast.wistia.com/embed/' 19 20 def _download_embed_config(self, config_type, config_id, referer): 21 base_url = self._EMBED_BASE_URL + '%ss/%s' % (config_type, config_id) 22 embed_config = self._download_json( 23 base_url + '.json', config_id, headers={ 24 'Referer': referer if referer.startswith('http') else base_url, # Some videos require this. 25 }) 26 27 if isinstance(embed_config, dict) and embed_config.get('error'): 28 raise ExtractorError( 29 'Error while getting the playlist', expected=True) 30 31 return embed_config 32 33 def _extract_media(self, embed_config): 34 data = embed_config['media'] 35 video_id = data['hashedId'] 36 title = data['name'] 37 38 formats = [] 39 thumbnails = [] 40 for a in data['assets']: 41 aurl = a.get('url') 42 if not aurl: 43 continue 44 astatus = a.get('status') 45 atype = a.get('type') 46 if (astatus is not None and astatus != 2) or atype in ('preview', 'storyboard'): 47 continue 48 elif atype in ('still', 'still_image'): 49 thumbnails.append({ 50 'url': aurl, 51 'width': int_or_none(a.get('width')), 52 'height': int_or_none(a.get('height')), 53 'filesize': int_or_none(a.get('size')), 54 }) 55 else: 56 aext = a.get('ext') 57 display_name = a.get('display_name') 58 format_id = atype 59 if atype and atype.endswith('_video') and display_name: 60 format_id = '%s-%s' % (atype[:-6], display_name) 61 f = { 62 'format_id': format_id, 63 'url': aurl, 64 'tbr': int_or_none(a.get('bitrate')) or None, 65 'preference': 1 if atype == 'original' else None, 66 } 67 if display_name == 'Audio': 68 f.update({ 69 'vcodec': 'none', 70 }) 71 else: 72 f.update({ 73 'width': int_or_none(a.get('width')), 74 'height': int_or_none(a.get('height')), 75 'vcodec': a.get('codec'), 76 }) 77 if a.get('container') == 'm3u8' or aext == 'm3u8': 78 ts_f = f.copy() 79 ts_f.update({ 80 'ext': 'ts', 81 'format_id': f['format_id'].replace('hls-', 'ts-'), 82 'url': f['url'].replace('.bin', '.ts'), 83 }) 84 formats.append(ts_f) 85 f.update({ 86 'ext': 'mp4', 87 'protocol': 'm3u8_native', 88 }) 89 else: 90 f.update({ 91 'container': a.get('container'), 92 'ext': aext, 93 'filesize': int_or_none(a.get('size')), 94 }) 95 formats.append(f) 96 97 self._sort_formats(formats) 98 99 subtitles = {} 100 for caption in data.get('captions', []): 101 language = caption.get('language') 102 if not language: 103 continue 104 subtitles[language] = [{ 105 'url': self._EMBED_BASE_URL + 'captions/' + video_id + '.vtt?language=' + language, 106 }] 107 108 return { 109 'id': video_id, 110 'title': title, 111 'description': data.get('seoDescription'), 112 'formats': formats, 113 'thumbnails': thumbnails, 114 'duration': float_or_none(data.get('duration')), 115 'timestamp': int_or_none(data.get('createdAt')), 116 'subtitles': subtitles, 117 } 118 119 120 class WistiaIE(WistiaBaseIE): 121 _VALID_URL = r'(?:wistia:|%s(?:iframe|medias)/)%s' % (WistiaBaseIE._VALID_URL_BASE, WistiaBaseIE._VALID_ID_REGEX) 122 123 _TESTS = [{ 124 # with hls video 125 'url': 'wistia:807fafadvk', 126 'md5': 'daff0f3687a41d9a71b40e0e8c2610fe', 127 'info_dict': { 128 'id': '807fafadvk', 129 'ext': 'mp4', 130 'title': 'Drip Brennan Dunn Workshop', 131 'description': 'a JV Webinars video', 132 'upload_date': '20160518', 133 'timestamp': 1463607249, 134 'duration': 4987.11, 135 }, 136 }, { 137 'url': 'wistia:sh7fpupwlt', 138 'only_matching': True, 139 }, { 140 'url': 'http://fast.wistia.net/embed/iframe/sh7fpupwlt', 141 'only_matching': True, 142 }, { 143 'url': 'http://fast.wistia.com/embed/iframe/sh7fpupwlt', 144 'only_matching': True, 145 }, { 146 'url': 'http://fast.wistia.net/embed/medias/sh7fpupwlt.json', 147 'only_matching': True, 148 }] 149 150 # https://wistia.com/support/embed-and-share/video-on-your-website 151 @staticmethod 152 def _extract_url(webpage): 153 urls = WistiaIE._extract_urls(webpage) 154 return urls[0] if urls else None 155 156 @staticmethod 157 def _extract_urls(webpage): 158 urls = [] 159 for match in re.finditer( 160 r'<(?:meta[^>]+?content|(?:iframe|script)[^>]+?src)=["\'](?P<url>(?:https?:)?//(?:fast\.)?wistia\.(?:net|com)/embed/(?:iframe|medias)/[a-z0-9]{10})', webpage): 161 urls.append(unescapeHTML(match.group('url'))) 162 for match in re.finditer( 163 r'''(?sx) 164 <div[^>]+class=(["'])(?:(?!\1).)*?\bwistia_async_(?P<id>[a-z0-9]{10})\b(?:(?!\1).)*?\1 165 ''', webpage): 166 urls.append('wistia:%s' % match.group('id')) 167 for match in re.finditer(r'(?:data-wistia-?id=["\']|Wistia\.embed\(["\']|id=["\']wistia_)(?P<id>[a-z0-9]{10})', webpage): 168 urls.append('wistia:%s' % match.group('id')) 169 return urls 170 171 def _real_extract(self, url): 172 video_id = self._match_id(url) 173 embed_config = self._download_embed_config('media', video_id, url) 174 return self._extract_media(embed_config) 175 176 177 class WistiaPlaylistIE(WistiaBaseIE): 178 _VALID_URL = r'%splaylists/%s' % (WistiaIE._VALID_URL_BASE, WistiaIE._VALID_ID_REGEX) 179 180 _TEST = { 181 'url': 'https://fast.wistia.net/embed/playlists/aodt9etokc', 182 'info_dict': { 183 'id': 'aodt9etokc', 184 }, 185 'playlist_count': 3, 186 } 187 188 def _real_extract(self, url): 189 playlist_id = self._match_id(url) 190 playlist = self._download_embed_config('playlist', playlist_id, url) 191 192 entries = [] 193 for media in (try_get(playlist, lambda x: x[0]['medias']) or []): 194 embed_config = media.get('embed_config') 195 if not embed_config: 196 continue 197 entries.append(self._extract_media(embed_config)) 198 199 return self.playlist_result(entries, playlist_id)