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[youtube] Separate feed extractor

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pull/8/head
Sergey M․ 10 years ago
parent 15da7ce7fb
commit 25f14e9f93
1 changed files with 37 additions and 106 deletions
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143
youtube_dl/extractor/youtube.py
Unescape Escape View File

@ -49,6 +49,11 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
# YouTube sets the expire time to about two months
expire_time=time.time() + 2 * 30 * 24 * 3600)
def _ids_to_results(self, ids):
return [
self.url_result(vid_id, 'Youtube', video_id=vid_id)
for vid_id in ids]
def _login(self):
"""
Attempt to log in to YouTube.
@ -1261,11 +1266,6 @@ class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
def _real_initialize(self):
self._login()
def _ids_to_results(self, ids):
return [
self.url_result(vid_id, 'Youtube', video_id=vid_id)
for vid_id in ids]
def _extract_mix(self, playlist_id):
# The mixes are generated from a single video
# the id of the playlist is just 'RD' + video_id
@ -1601,20 +1601,10 @@ class YoutubeShowIE(InfoExtractor):
class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
"""
Base class for extractors that fetch info from
http://www.youtube.com/feed_ajax
Base class for feed extractors
Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
"""
_LOGIN_REQUIRED = True
# use action_load_personal_feed instead of action_load_system_feed
_PERSONAL_FEED = False
@property
def _FEED_TEMPLATE(self):
action = 'action_load_system_feed'
if self._PERSONAL_FEED:
action = 'action_load_personal_feed'
return 'https://www.youtube.com/feed_ajax?%s=1&feed_name=%s&paging=%%s' % (action, self._FEED_NAME)
@property
def IE_NAME(self):
@ -1624,58 +1614,8 @@ class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
self._login()
def _real_extract(self, url):
feed_entries = []
paging = 0
for i in itertools.count(1):
info = self._download_json(
self._FEED_TEMPLATE % paging,
'%s feed' % self._FEED_NAME,
'Downloading page %s' % i,
transform_source=uppercase_escape)
feed_html = info.get('feed_html') or info.get('content_html')
load_more_widget_html = info.get('load_more_widget_html') or feed_html
m_ids = re.finditer(r'"/watch\?v=(.*?)["&]', feed_html)
ids = orderedSet(m.group(1) for m in m_ids)
feed_entries.extend(
self.url_result(video_id, 'Youtube', video_id=video_id)
for video_id in ids)
mobj = re.search(
r'data-uix-load-more-href="/?[^"]+paging=(?P<paging>\d+)',
load_more_widget_html)
if mobj is None:
break
paging = mobj.group('paging')
return self.playlist_result(feed_entries, playlist_title=self._PLAYLIST_TITLE)
class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
IE_NAME = 'youtube:recommended'
IE_DESC = 'YouTube.com recommended videos, ":ytrec" for short (requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?'
_FEED_NAME = 'recommended'
_PLAYLIST_TITLE = 'Youtube Recommended videos'
class YoutubeWatchLaterIE(YoutubePlaylistIE):
IE_NAME = 'youtube:watchlater'
IE_DESC = 'Youtube watch later list, ":ytwatchlater" for short (requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/(?:feed/watch_later|playlist\?list=WL)|:ytwatchlater'
_TESTS = [] # override PlaylistIE tests
def _real_extract(self, url):
return self._extract_playlist('WL')
class YoutubeHistoryIE(YoutubePlaylistIE):
IE_NAME = 'youtube:history'
IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
_VALID_URL = 'https?://www\.youtube\.com/feed/history|:ythistory'
_TESTS = []
def _real_extract(self, url):
title = 'Youtube History'
page = self._download_webpage('https://www.youtube.com/feed/history', title)
page = self._download_webpage(
'https://www.youtube.com/feed/%s' % self._FEED_NAME, self._PLAYLIST_TITLE)
# The extraction process is the same as for playlists, but the regex
# for the video ids doesn't contain an index
@ -1692,17 +1632,25 @@ class YoutubeHistoryIE(YoutubePlaylistIE):
break
more = self._download_json(
'https://youtube.com/%s' % mobj.group('more'), title,
'https://youtube.com/%s' % mobj.group('more'), self._PLAYLIST_TITLE,
'Downloading page #%s' % page_num,
transform_source=uppercase_escape)
content_html = more['content_html']
more_widget_html = more['load_more_widget_html']
return {
'_type': 'playlist',
'title': title,
'entries': self._ids_to_results(ids),
}
return self.playlist_result(
self._ids_to_results(ids), playlist_title=self._PLAYLIST_TITLE)
class YoutubeWatchLaterIE(YoutubePlaylistIE):
IE_NAME = 'youtube:watchlater'
IE_DESC = 'Youtube watch later list, ":ytwatchlater" for short (requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/(?:feed/watch_later|playlist\?list=WL)|:ytwatchlater'
_TESTS = [] # override PlaylistIE tests
def _real_extract(self, url):
return self._extract_playlist('WL')
class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
@ -1717,42 +1665,25 @@ class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
return self.url_result(playlist_id, 'YoutubePlaylist')
class YoutubeSubscriptionsIE(YoutubePlaylistIE):
IE_NAME = 'youtube:subscriptions'
IE_DESC = 'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
_TESTS = []
def _real_extract(self, url):
title = 'Youtube Subscriptions'
page = self._download_webpage('https://www.youtube.com/feed/subscriptions', title)
# The extraction process is the same as for playlists, but the regex
# for the video ids doesn't contain an index
ids = []
more_widget_html = content_html = page
class YoutubeRecommendedIE(YoutubeFeedsInfoExtractor):
IE_DESC = 'YouTube.com recommended videos, ":ytrec" for short (requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/feed/recommended|:ytrec(?:ommended)?'
_FEED_NAME = 'recommended'
_PLAYLIST_TITLE = 'Youtube Recommended videos'
for page_num in itertools.count(1):
matches = re.findall(r'href="\s*/watch\?v=([0-9A-Za-z_-]{11})', content_html)
new_ids = orderedSet(matches)
ids.extend(new_ids)
mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
if not mobj:
break
class YoutubeSubscriptionsIE(YoutubeFeedsInfoExtractor):
IE_DESC = 'YouTube.com subscriptions feed, "ytsubs" keyword (requires authentication)'
_VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
_FEED_NAME = 'subscriptions'
_PLAYLIST_TITLE = 'Youtube Subscriptions'
more = self._download_json(
'https://youtube.com/%s' % mobj.group('more'), title,
'Downloading page #%s' % page_num,
transform_source=uppercase_escape)
content_html = more['content_html']
more_widget_html = more['load_more_widget_html']
return {
'_type': 'playlist',
'title': title,
'entries': self._ids_to_results(ids),
}
class YoutubeHistoryIE(YoutubeFeedsInfoExtractor):
IE_DESC = 'Youtube watch history, ":ythistory" for short (requires authentication)'
_VALID_URL = 'https?://www\.youtube\.com/feed/history|:ythistory'
_FEED_NAME = 'history'
_PLAYLIST_TITLE = 'Youtube History'
class YoutubeTruncatedURLIE(InfoExtractor):

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