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[youtube:playlist] Don't use the gdata api (closes #1508)

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Parse the playlist pages instead
This commit is contained in:
Jaime Marquínez Ferrándiz 2013-11-13 16:21:24 +01:00
parent 80b9bbce86
commit dcbb45803f
2 changed files with 20 additions and 37 deletions
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43
youtube_dl/extractor/youtube.py
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@ -1506,8 +1506,9 @@ class YoutubePlaylistIE(InfoExtractor):
|
((?:PL|EC|UU|FL)[0-9A-Za-z-_]{10,})
)"""
_TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json&safeSearch=none'
_MAX_RESULTS = 50
_TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s&page=%s'
_MORE_PAGES_INDICATOR = r'data-link-type="next"'
_VIDEO_RE = r'href="/watch\?v=([0-9A-Za-z_-]{11})&'
IE_NAME = u'youtube:playlist'
@classmethod
@ -1532,41 +1533,23 @@ class YoutubePlaylistIE(InfoExtractor):
else:
self.to_screen(u'Downloading playlist PL%s - add --no-playlist to just download video %s' % (playlist_id, video_id))
# Download playlist videos from API
videos = []
# Extract the video ids from the playlist pages
ids = []
for page_num in itertools.count(1):
start_index = self._MAX_RESULTS * (page_num - 1) + 1
if start_index >= 1000:
self._downloader.report_warning(u'Max number of results reached')
break
url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, start_index)
url = self._TEMPLATE_URL % (playlist_id, page_num)
page = self._download_webpage(url, playlist_id, u'Downloading page #%s' % page_num)
# The ids are duplicated
new_ids = orderedSet(re.findall(self._VIDEO_RE, page))
ids.extend(new_ids)
try:
response = json.loads(page)
except ValueError as err:
raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
if 'feed' not in response:
raise ExtractorError(u'Got a malformed response from YouTube API')
playlist_title = response['feed']['title']['$t']
if 'entry' not in response['feed']:
# Number of videos is a multiple of self._MAX_RESULTS
if re.search(self._MORE_PAGES_INDICATOR, page) is None:
break
for entry in response['feed']['entry']:
index = entry['yt$position']['$t']
if 'media$group' in entry and 'yt$videoid' in entry['media$group']:
videos.append((
index,
'https://www.youtube.com/watch?v=' + entry['media$group']['yt$videoid']['$t']
))
playlist_title = self._og_search_title(page)
videos = [v[1] for v in sorted(videos)]
url_results = [self.url_result(vurl, 'Youtube') for vurl in videos]
return [self.playlist_result(url_results, playlist_id, playlist_title)]
url_results = [self.url_result(vid, 'Youtube') for vid in ids]
return self.playlist_result(url_results, playlist_id, playlist_title)
class YoutubeChannelIE(InfoExtractor):