mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-20 20:12:52 +08:00
[channel9] fix extraction(closes #11323)
This commit is contained in:
Remita Amine
parent
579c99a284
commit
b0f7f21cb9
@ -5,8 +5,10 @@ import re
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from .common import InfoExtractor
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from ..utils import (
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ExtractorError,
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parse_filesize,
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qualities,
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unescapeHTML,
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int_or_none,
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parse_iso8601,
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clean_html,
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)
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@ -20,46 +22,50 @@ class Channel9IE(InfoExtractor):
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'''
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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/(?P<contentpath>.+?)(?P<rss>/RSS)?/?(?:[?#&]|$)'
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_VALID_URL = r'https?://(?:www\.)?(?:channel9\.msdn\.com|s\.ch9\.ms)/(?P<contentpath>.+?)(?P<rss>/RSS)?/?(?:[?#&]|$)'
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_TESTS = [{
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'url': 'http://channel9.msdn.com/Events/TechEd/Australia/2013/KOS002',
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'md5': 'bbd75296ba47916b754e73c3a4bbdf10',
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'md5': '32083d4eaf1946db6d454313f44510ca',
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'info_dict': {
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'id': 'Events/TechEd/Australia/2013/KOS002',
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'ext': 'mp4',
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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:c08d72240b7c87fcecafe2692f80e35f',
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'description': 'md5:b80bf9355a503c193aff7ec6cd5a7731',
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'duration': 4576,
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'thumbnail': r're:http://.*\.jpg',
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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_day': 'Day 1',
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'session_room': 'Arena 1A',
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'session_speakers': ['Ed Blankenship', 'Andrew Coates', 'Brady Gaster', 'Patrick Klug',
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'Mads Kristensen'],
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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': 'b43ee4529d111bc37ba7ee4f34813e68',
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'md5': 'dcf983ee6acd2088e7188c3cf79b46bc',
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'info_dict': {
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'id': 'posts/Self-service-BI-with-Power-BI-nuclear-testing',
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'ext': 'mp4',
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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:d1e6ecaafa7fb52a2cacdf9599829f5b',
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'description': 'md5:2d17fec927fc91e9e17783b3ecc88f54',
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'duration': 1540,
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'thumbnail': r're:http://.*\.jpg',
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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': 'Events/CPP/CppCon-2015/Ranges-for-the-Standard-Library',
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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': 'md5:2e6b4917677af3728c5f6d63784c4c5d',
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'description': 'md5:9895e0a9fd80822d2f01c454b8f4a372',
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'duration': 5646,
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'thumbnail': r're:http://.*\.jpg',
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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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@ -70,7 +76,7 @@ class Channel9IE(InfoExtractor):
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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_count': 2,
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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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@ -81,189 +87,6 @@ class Channel9IE(InfoExtractor):
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_RSS_URL = 'http://channel9.msdn.com/%s/RSS'
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def _formats_from_html(self, html):
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FORMAT_REGEX = r'''
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(?x)
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<a\s+href="(?P<url>[^"]+)">(?P<quality>[^<]+)</a>\s*
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<span\s+class="usage">\((?P<note>[^\)]+)\)</span>\s*
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(?:<div\s+class="popup\s+rounded">\s*
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<h3>File\s+size</h3>\s*(?P<filesize>.*?)\s*
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</div>)? # File size part may be missing
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'''
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quality = qualities((
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'MP3', 'MP4',
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'Low Quality WMV', 'Low Quality MP4',
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'Mid Quality WMV', 'Mid Quality MP4',
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'High Quality WMV', 'High Quality MP4'))
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formats = [{
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'url': x.group('url'),
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'format_id': x.group('quality'),
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'format_note': x.group('note'),
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'format': '%s (%s)' % (x.group('quality'), x.group('note')),
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'filesize_approx': parse_filesize(x.group('filesize')),
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'quality': quality(x.group('quality')),
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'vcodec': 'none' if x.group('note') == 'Audio only' else None,
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} for x in list(re.finditer(FORMAT_REGEX, html))]
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self._sort_formats(formats)
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return formats
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def _extract_title(self, html):
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title = self._html_search_meta('title', html, 'title')
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if title is None:
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title = self._og_search_title(html)
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TITLE_SUFFIX = ' (Channel 9)'
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if title is not None and title.endswith(TITLE_SUFFIX):
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title = title[:-len(TITLE_SUFFIX)]
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return title
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def _extract_description(self, html):
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DESCRIPTION_REGEX = r'''(?sx)
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<div\s+class="entry-content">\s*
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<div\s+id="entry-body">\s*
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(?P<description>.+?)\s*
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</div>\s*
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</div>
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'''
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m = re.search(DESCRIPTION_REGEX, html)
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if m is not None:
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return m.group('description')
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return self._html_search_meta('description', html, 'description')
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def _extract_duration(self, html):
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m = re.search(r'"length": *"(?P<hours>\d{2}):(?P<minutes>\d{2}):(?P<seconds>\d{2})"', html)
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return ((int(m.group('hours')) * 60 * 60) + (int(m.group('minutes')) * 60) + int(m.group('seconds'))) if m else None
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def _extract_slides(self, html):
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m = re.search(r'<a href="(?P<slidesurl>[^"]+)" class="slides">Slides</a>', html)
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return m.group('slidesurl') if m is not None else None
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def _extract_zip(self, html):
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m = re.search(r'<a href="(?P<zipurl>[^"]+)" class="zip">Zip</a>', html)
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return m.group('zipurl') if m is not None else None
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def _extract_avg_rating(self, html):
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m = re.search(r'<p class="avg-rating">Avg Rating: <span>(?P<avgrating>[^<]+)</span></p>', html)
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return float(m.group('avgrating')) if m is not None else 0
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def _extract_rating_count(self, html):
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m = re.search(r'<div class="rating-count">\((?P<ratingcount>[^<]+)\)</div>', html)
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return int(self._fix_count(m.group('ratingcount'))) if m is not None else 0
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def _extract_view_count(self, html):
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m = re.search(r'<li class="views">\s*<span class="count">(?P<viewcount>[^<]+)</span> Views\s*</li>', html)
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return int(self._fix_count(m.group('viewcount'))) if m is not None else 0
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def _extract_comment_count(self, html):
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m = re.search(r'<li class="comments">\s*<a href="#comments">\s*<span class="count">(?P<commentcount>[^<]+)</span> Comments\s*</a>\s*</li>', html)
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return int(self._fix_count(m.group('commentcount'))) if m is not None else 0
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def _fix_count(self, count):
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return int(str(count).replace(',', '')) if count is not None else None
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def _extract_authors(self, html):
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m = re.search(r'(?s)<li class="author">(.*?)</li>', html)
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if m is None:
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return None
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return re.findall(r'<a href="/Niners/[^"]+">([^<]+)</a>', m.group(1))
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def _extract_session_code(self, html):
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m = re.search(r'<li class="code">\s*(?P<code>.+?)\s*</li>', html)
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return m.group('code') if m is not None else None
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def _extract_session_day(self, html):
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m = re.search(r'<li class="day">\s*<a href="/Events/[^"]+">(?P<day>[^<]+)</a>\s*</li>', html)
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return m.group('day').strip() if m is not None else None
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def _extract_session_room(self, html):
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m = re.search(r'<li class="room">\s*(?P<room>.+?)\s*</li>', html)
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return m.group('room') if m is not None else None
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def _extract_session_speakers(self, html):
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return re.findall(r'<a href="/Events/Speakers/[^"]+">([^<]+)</a>', html)
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def _extract_content(self, html, content_path):
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# Look for downloadable content
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formats = self._formats_from_html(html)
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slides = self._extract_slides(html)
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zip_ = self._extract_zip(html)
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# Nothing to download
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if len(formats) == 0 and slides is None and zip_ is None:
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self._downloader.report_warning('None of recording, slides or zip are available for %s' % content_path)
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return
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# Extract meta
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title = self._extract_title(html)
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description = self._extract_description(html)
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thumbnail = self._og_search_thumbnail(html)
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duration = self._extract_duration(html)
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avg_rating = self._extract_avg_rating(html)
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rating_count = self._extract_rating_count(html)
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view_count = self._extract_view_count(html)
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comment_count = self._extract_comment_count(html)
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common = {
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'_type': 'video',
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'id': content_path,
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'description': description,
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'thumbnail': thumbnail,
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'duration': duration,
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'avg_rating': avg_rating,
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'rating_count': rating_count,
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'view_count': view_count,
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'comment_count': comment_count,
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}
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result = []
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if slides is not None:
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d = common.copy()
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d.update({'title': title + '-Slides', 'url': slides})
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result.append(d)
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if zip_ is not None:
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d = common.copy()
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d.update({'title': title + '-Zip', 'url': zip_})
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result.append(d)
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if len(formats) > 0:
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d = common.copy()
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d.update({'title': title, 'formats': formats})
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result.append(d)
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return result
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def _extract_entry_item(self, html, content_path):
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contents = self._extract_content(html, content_path)
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if contents is None:
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return contents
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if len(contents) > 1:
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raise ExtractorError('Got more than one entry')
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result = contents[0]
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result['authors'] = self._extract_authors(html)
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return result
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def _extract_session(self, html, content_path):
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contents = self._extract_content(html, content_path)
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if contents is None:
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return contents
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session_meta = {
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'session_code': self._extract_session_code(html),
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'session_day': self._extract_session_day(html),
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'session_room': self._extract_session_room(html),
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'session_speakers': self._extract_session_speakers(html),
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}
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for content in contents:
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content.update(session_meta)
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return self.playlist_result(contents)
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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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@ -274,9 +97,7 @@ class Channel9IE(InfoExtractor):
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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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mobj = re.match(self._VALID_URL, url)
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content_path = mobj.group('contentpath')
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rss = mobj.group('rss')
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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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@ -284,17 +105,105 @@ class Channel9IE(InfoExtractor):
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webpage = self._download_webpage(
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url, content_path, 'Downloading web page')
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page_type = self._search_regex(
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r'<meta[^>]+name=(["\'])WT\.entryid\1[^>]+content=(["\'])(?P<pagetype>[^:]+).+?\2',
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webpage, 'page type', default=None, group='pagetype')
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if page_type:
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if page_type == 'Entry': # Any 'item'-like page, may contain downloadable content
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return self._extract_entry_item(webpage, content_path)
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elif page_type == 'Session': # Event session page, may contain downloadable content
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return self._extract_session(webpage, content_path)
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elif page_type == 'Event':
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return self._extract_list(content_path)
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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 += '?$expand=Speakers'
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else:
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raise ExtractorError('Unexpected WT.entryid %s' % page_type, expected=True)
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else: # Assuming list
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content_url += '?$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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formats = []
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qualities = [
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'VideoMP4Low',
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'VideoWMV',
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'VideoMP4Medium',
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'VideoMP4High',
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'VideoWMVHQ',
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]
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for q in qualities:
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q_url = content_data.get(q)
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if not q_url:
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continue
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formats.append({
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'format_id': q,
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'url': q_url,
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})
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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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||||
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Reference in New Issue
Block a user