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