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Improve Twitch.tv chapter support (#810)

This commit is contained in:
Philipp Hagemeister 2013-05-04 11:27:39 +02:00
parent 0e16f09474
commit f4f316881d
1 changed files with 29 additions and 16 deletions
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45
youtube_dl/InfoExtractors.py
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@ -3362,30 +3362,43 @@ class JustinTVIE(InfoExtractor):
api = api_base + '/channel/archives/%s.json' % video_id
elif mobj.group('chapterid'):
chapter_id = mobj.group('chapterid')
# youtube-dl -v http://www.twitch.tv/firmbelief/c/1757457
webpage = self._download_webpage(url, chapter_id)
m = re.search(r'PP\.archive_id = "([0-9]+)";', webpage)
if not m:
raise ExtractorError('Cannot find archive of a chapter')
raise ExtractorError(u'Cannot find archive of a chapter')
archive_id = m.group(1)
m = re.search(r"<h2 class='js-title'>([^<]*)</h2>", webpage)
if not m:
raise ExtractorError(u'Cannot find chapter title')
video_title = m.group(1)
api = api_base + '/broadcast/by_chapter/%s.json' % chapter_id
chapter_info_json = self._download_webpage(api, chapter_id,
note='Downloading chapter information',
errnote='Chapter information download failed')
chapter_info = json.loads(chapter_info_json)
video_info = filter(lambda ci: str(ci['id']) == archive_id, chapter_info)
api = api_base + '/broadcast/by_chapter/%s.xml' % chapter_id
chapter_info_xml = self._download_webpage(api, chapter_id,
note=u'Downloading chapter information',
errnote=u'Chapter information download failed')
doc = xml.etree.ElementTree.fromstring(chapter_info_xml)
for a in doc.findall('.//archive'):
if archive_id == a.find('./id').text:
break
else:
raise ExtractorError(u'Could not find chapter in chapter information')
video_url = 'TODO:SERVER_NAME' + '/archives/' + vi['file_name'] + '?start=TODO:startid'
video_url = a.find('./video_file_url').text
video_ext = video_url.rpartition('.')[2] or u'flv'
# Result: http://store36.media36.justin.tv/archives/2012-12-2/live_user_firmbelief_1354484906.flv?start=51670615
# (this may not be playable, may need to craft some additional headers)
# TODO: title ("GOD", from webpage?)
# TODO: ext (from vi['file_name'])
# print(json.dumps(video_info, indent=2))
# return
raise NotImplementedError('twitch.tv chapters are not yet supported, sorry (See https://github.com/rg3/youtube-dl/issues/810 )')
# TODO determine start (and probably fix up file)
# youtube-dl -v http://www.twitch.tv/firmbelief/c/1757457
#video_url += u'?start=' + a.find('./start_timestamp').text
self._downloader.report_warning(u'Chapter detected, but we do not know how to calculate start position. Downloading the whole file ... (See https://github.com/rg3/youtube-dl/issues/810 )')
info = {
'id': u'c' + chapter_id,
'url': video_url,
'ext': video_ext,
'title': video_title,
}
return [info]
else:
video_id = mobj.group('videoid')
api = api_base + '/broadcast/by_archive/%s.json' % video_id