from __future__ import unicode_literals import re from .common import InfoExtractor from ..utils import ( clean_html, ExtractorError, int_or_none, parse_iso8601, qualities, unescapeHTML, ) class Channel9IE(InfoExtractor): IE_DESC = 'Channel 9' IE_NAME = 'channel9' _VALID_URL = r'https?://(?:www\.)?(?:channel9\.msdn\.com|s\.ch9\.ms)/(?P<contentpath>.+?)(?P<rss>/RSS)?/?(?:[?#&]|$)' _TESTS = [{ 'url': 'http://channel9.msdn.com/Events/TechEd/Australia/2013/KOS002', 'md5': '32083d4eaf1946db6d454313f44510ca', 'info_dict': { 'id': '6c413323-383a-49dc-88f9-a22800cab024', 'ext': 'wmv', 'title': 'Developer Kick-Off Session: Stuff We Love', 'description': 'md5:b80bf9355a503c193aff7ec6cd5a7731', 'duration': 4576, 'thumbnail': r're:https?://.*\.jpg', 'timestamp': 1377717420, 'upload_date': '20130828', 'session_code': 'KOS002', 'session_room': 'Arena 1A', 'session_speakers': ['Andrew Coates', 'Brady Gaster', 'Mads Kristensen', 'Ed Blankenship', 'Patrick Klug'], }, }, { 'url': 'http://channel9.msdn.com/posts/Self-service-BI-with-Power-BI-nuclear-testing', 'md5': 'dcf983ee6acd2088e7188c3cf79b46bc', 'info_dict': { 'id': 'fe8e435f-bb93-4e01-8e97-a28c01887024', 'ext': 'wmv', 'title': 'Self-service BI with Power BI - nuclear testing', 'description': 'md5:2d17fec927fc91e9e17783b3ecc88f54', 'duration': 1540, 'thumbnail': r're:https?://.*\.jpg', 'timestamp': 1386381991, 'upload_date': '20131207', 'authors': ['Mike Wilmot'], }, }, { # low quality mp4 is best 'url': 'https://channel9.msdn.com/Events/CPP/CppCon-2015/Ranges-for-the-Standard-Library', 'info_dict': { 'id': '33ad69d2-6a4e-4172-83a1-a523013dec76', 'ext': 'mp4', 'title': 'Ranges for the Standard Library', 'description': 'md5:9895e0a9fd80822d2f01c454b8f4a372', 'duration': 5646, 'thumbnail': r're:https?://.*\.jpg', 'upload_date': '20150930', 'timestamp': 1443640735, }, 'params': { 'skip_download': True, }, }, { 'url': 'https://channel9.msdn.com/Niners/Splendid22/Queue/76acff796e8f411184b008028e0d492b/RSS', 'info_dict': { 'id': 'Niners/Splendid22/Queue/76acff796e8f411184b008028e0d492b', 'title': 'Channel 9', }, 'playlist_mincount': 100, }, { 'url': 'https://channel9.msdn.com/Events/DEVintersection/DEVintersection-2016/RSS', 'only_matching': True, }, { 'url': 'https://channel9.msdn.com/Events/Speakers/scott-hanselman/RSS?UrlSafeName=scott-hanselman', 'only_matching': True, }] _RSS_URL = 'http://channel9.msdn.com/%s/RSS' @staticmethod def _extract_urls(webpage): return re.findall( r'<iframe[^>]+src=["\'](https?://channel9\.msdn\.com/(?:[^/]+/)+)player\b', webpage) def _extract_list(self, video_id, rss_url=None): if not rss_url: rss_url = self._RSS_URL % video_id rss = self._download_xml(rss_url, video_id, 'Downloading RSS') entries = [self.url_result(session_url.text, 'Channel9') for session_url in rss.findall('./channel/item/link')] title_text = rss.find('./channel/title').text return self.playlist_result(entries, video_id, title_text) def _real_extract(self, url): content_path, rss = re.match(self._VALID_URL, url).groups() if rss: return self._extract_list(content_path, url) webpage = self._download_webpage( url, content_path, 'Downloading web page') episode_data = self._search_regex( r"data-episode='([^']+)'", webpage, 'episode data', default=None) if episode_data: episode_data = self._parse_json(unescapeHTML( episode_data), content_path) content_id = episode_data['contentId'] is_session = '/Sessions(' in episode_data['api'] content_url = 'https://channel9.msdn.com/odata' + episode_data['api'] if is_session: content_url += '?$expand=Speakers' else: content_url += '?$expand=Authors' content_data = self._download_json(content_url, content_id) title = content_data['Title'] QUALITIES = ( 'mp3', 'wmv', 'mp4', 'wmv-low', 'mp4-low', 'wmv-mid', 'mp4-mid', 'wmv-high', 'mp4-high', ) quality_key = qualities(QUALITIES) def quality(quality_id, format_url): return (len(QUALITIES) if '_Source.' in format_url else quality_key(quality_id)) formats = [] urls = set() SITE_QUALITIES = { 'MP3': 'mp3', 'MP4': 'mp4', 'Low Quality WMV': 'wmv-low', 'Low Quality MP4': 'mp4-low', 'Mid Quality WMV': 'wmv-mid', 'Mid Quality MP4': 'mp4-mid', 'High Quality WMV': 'wmv-high', 'High Quality MP4': 'mp4-high', } formats_select = self._search_regex( r'(?s)<select[^>]+name=["\']format[^>]+>(.+?)</select', webpage, 'formats select', default=None) if formats_select: for mobj in re.finditer( r'<option\b[^>]+\bvalue=(["\'])(?P<url>(?:(?!\1).)+)\1[^>]*>\s*(?P<format>[^<]+?)\s*<', formats_select): format_url = mobj.group('url') if format_url in urls: continue urls.add(format_url) format_id = mobj.group('format') quality_id = SITE_QUALITIES.get(format_id, format_id) formats.append({ 'url': format_url, 'format_id': quality_id, 'quality': quality(quality_id, format_url), 'vcodec': 'none' if quality_id == 'mp3' else None, }) API_QUALITIES = { 'VideoMP4Low': 'mp4-low', 'VideoWMV': 'wmv-mid', 'VideoMP4Medium': 'mp4-mid', 'VideoMP4High': 'mp4-high', 'VideoWMVHQ': 'wmv-hq', } for format_id, q in API_QUALITIES.items(): q_url = content_data.get(format_id) if not q_url or q_url in urls: continue urls.add(q_url) formats.append({ 'url': q_url, 'format_id': q, 'quality': quality(q, q_url), }) self._sort_formats(formats) slides = content_data.get('Slides') zip_file = content_data.get('ZipFile') if not formats and not slides and not zip_file: raise ExtractorError( 'None of recording, slides or zip are available for %s' % content_path) subtitles = {} for caption in content_data.get('Captions', []): caption_url = caption.get('Url') if not caption_url: continue subtitles.setdefault(caption.get('Language', 'en'), []).append({ 'url': caption_url, 'ext': 'vtt', }) common = { 'id': content_id, 'title': title, 'description': clean_html(content_data.get('Description') or content_data.get('Body')), 'thumbnail': content_data.get('Thumbnail') or content_data.get('VideoPlayerPreviewImage'), 'duration': int_or_none(content_data.get('MediaLengthInSeconds')), 'timestamp': parse_iso8601(content_data.get('PublishedDate')), 'avg_rating': int_or_none(content_data.get('Rating')), 'rating_count': int_or_none(content_data.get('RatingCount')), 'view_count': int_or_none(content_data.get('Views')), 'comment_count': int_or_none(content_data.get('CommentCount')), 'subtitles': subtitles, } if is_session: speakers = [] for s in content_data.get('Speakers', []): speaker_name = s.get('FullName') if not speaker_name: continue speakers.append(speaker_name) common.update({ 'session_code': content_data.get('Code'), 'session_room': content_data.get('Room'), 'session_speakers': speakers, }) else: authors = [] for a in content_data.get('Authors', []): author_name = a.get('DisplayName') if not author_name: continue authors.append(author_name) common['authors'] = authors contents = [] if slides: d = common.copy() d.update({'title': title + '-Slides', 'url': slides}) contents.append(d) if zip_file: d = common.copy() d.update({'title': title + '-Zip', 'url': zip_file}) contents.append(d) if formats: d = common.copy() d.update({'title': title, 'formats': formats}) contents.append(d) return self.playlist_result(contents) else: return self._extract_list(content_path)