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Diffstat (limited to 'yt_dlp/extractor/channel9.py')
-rw-r--r-- | yt_dlp/extractor/channel9.py | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/yt_dlp/extractor/channel9.py b/yt_dlp/extractor/channel9.py new file mode 100644 index 0000000..a884740 --- /dev/null +++ b/yt_dlp/extractor/channel9.py @@ -0,0 +1,252 @@ +import re + +from .common import InfoExtractor +from ..utils import ( + clean_html, + 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)?/?(?:[?#&]|$)' + _EMBED_REGEX = [r'<iframe[^>]+src=["\'](?P<url>https?://channel9\.msdn\.com/(?:[^/]+/)+)player\b'] + + _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': 'count:5', + }, + }, { + '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/Events/DEVintersection/DEVintersection-2016/RSS', + 'info_dict': { + 'id': 'Events/DEVintersection/DEVintersection-2016', + 'title': 'DEVintersection 2016 Orlando Sessions', + }, + 'playlist_mincount': 14, + }, { + 'url': 'https://channel9.msdn.com/Niners/Splendid22/Queue/76acff796e8f411184b008028e0d492b/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' + + 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 = self._match_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'] + '?$select=Captions,CommentCount,MediaLengthInSeconds,PublishedDate,Rating,RatingCount,Title,VideoMP4High,VideoMP4Low,VideoMP4Medium,VideoPlayerPreviewImage,VideoWMV,VideoWMVHQ,Views,' + if is_session: + content_url += 'Code,Description,Room,Slides,Speakers,ZipFile&$expand=Speakers' + else: + content_url += 'Authors,Body&$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), + }) + + slides = content_data.get('Slides') + zip_file = content_data.get('ZipFile') + + if not formats and not slides and not zip_file: + self.raise_no_formats( + '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('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) |