Merge pull request #151 from wlritchi/youtube-playlist-polymer
RFC: youtube: Polymer UI and JSON endpoints for playlists
This commit is contained in:
Tom-Oliver Heidel
GitHub
commit
00c38ef28d
|
|
@ -36,6 +36,7 @@ from ..utils import (
|
|||
get_element_by_attribute,
|
||||
get_element_by_id,
|
||||
int_or_none,
|
||||
js_to_json,
|
||||
mimetype2ext,
|
||||
orderedSet,
|
||||
parse_codecs,
|
||||
|
|
@ -70,6 +71,8 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
|
|||
_LOGIN_REQUIRED = False
|
||||
|
||||
_PLAYLIST_ID_RE = r'(?:PL|LL|EC|UU|FL|RD|UL|TL|PU|OLAK5uy_)[0-9A-Za-z-_]{10,}'
|
||||
_INITIAL_DATA_RE = r'(?:window\["ytInitialData"\]|ytInitialData)\W?=\W?({.*?});'
|
||||
_YTCFG_DATA_RE = r"ytcfg.set\(({.*?})\)"
|
||||
|
||||
_YOUTUBE_CLIENT_HEADERS = {
|
||||
'x-youtube-client-name': '1',
|
||||
|
|
@ -274,7 +277,6 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
|
|||
|
||||
def _download_webpage_handle(self, *args, **kwargs):
|
||||
query = kwargs.get('query', {}).copy()
|
||||
query['disable_polymer'] = 'true'
|
||||
kwargs['query'] = query
|
||||
return super(YoutubeBaseInfoExtractor, self)._download_webpage_handle(
|
||||
*args, **compat_kwargs(kwargs))
|
||||
|
|
@ -297,16 +299,61 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
|
|||
|
||||
|
||||
class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
|
||||
# Extract entries from page with "Load more" button
|
||||
def _entries(self, page, playlist_id):
|
||||
more_widget_html = content_html = page
|
||||
mobj_reg = r'(?:(?:data-uix-load-more-href="[^"]+?;continuation=)|(?:"continuation":"))(?P<more>[^"]+)"'
|
||||
for page_num in itertools.count(1):
|
||||
for entry in self._process_page(content_html):
|
||||
|
||||
def _find_entries_in_json(self, extracted):
|
||||
entries = []
|
||||
c = {}
|
||||
|
||||
def _real_find(obj):
|
||||
if obj is None or isinstance(obj, str):
|
||||
return
|
||||
|
||||
if type(obj) is list:
|
||||
for elem in obj:
|
||||
_real_find(elem)
|
||||
|
||||
if type(obj) is dict:
|
||||
if self._is_entry(obj):
|
||||
entries.append(obj)
|
||||
return
|
||||
|
||||
if 'continuationCommand' in obj:
|
||||
c['continuation'] = obj
|
||||
return
|
||||
|
||||
for _, o in obj.items():
|
||||
_real_find(o)
|
||||
|
||||
_real_find(extracted)
|
||||
|
||||
return entries, try_get(c, lambda x: x["continuation"])
|
||||
|
||||
def _entries(self, page, playlist_id, max_pages=None):
|
||||
seen = []
|
||||
|
||||
yt_conf = {}
|
||||
for m in re.finditer(self._YTCFG_DATA_RE, page):
|
||||
parsed = self._parse_json(m.group(1), playlist_id,
|
||||
transform_source=js_to_json, fatal=False)
|
||||
if parsed:
|
||||
yt_conf.update(parsed)
|
||||
|
||||
data_json = self._parse_json(self._search_regex(self._INITIAL_DATA_RE, page, 'ytInitialData'), None)
|
||||
|
||||
for page_num in range(1, max_pages + 1) if max_pages is not None else itertools.count(1):
|
||||
entries, continuation = self._find_entries_in_json(data_json)
|
||||
processed = self._process_entries(entries, seen)
|
||||
|
||||
if not processed:
|
||||
break
|
||||
for entry in processed:
|
||||
yield entry
|
||||
|
||||
mobj = re.search(mobj_reg, more_widget_html)
|
||||
if not mobj:
|
||||
if not continuation or not yt_conf:
|
||||
break
|
||||
continuation_token = try_get(continuation, lambda x: x['continuationCommand']['token'])
|
||||
continuation_url = try_get(continuation, lambda x: x['commandMetadata']['webCommandMetadata']['apiUrl'])
|
||||
if not continuation_token or not continuation_url:
|
||||
break
|
||||
|
||||
count = 0
|
||||
|
|
@ -315,12 +362,23 @@ class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
|
|||
try:
|
||||
# Downloading page may result in intermittent 5xx HTTP error
|
||||
# that is usually worked around with a retry
|
||||
more = self._download_json(
|
||||
'https://www.youtube.com/browse_ajax?ctoken=%s' % mobj.group('more'), playlist_id,
|
||||
'Downloading page #%s%s'
|
||||
% (page_num, ' (retry #%d)' % count if count else ''),
|
||||
data_json = self._download_json(
|
||||
'https://www.youtube.com%s' % continuation_url,
|
||||
playlist_id,
|
||||
'Downloading continuation page #%s%s' % (page_num, ' (retry #%d)' % count if count else ''),
|
||||
|
||||
transform_source=uppercase_escape,
|
||||
headers=self._YOUTUBE_CLIENT_HEADERS)
|
||||
query={
|
||||
'key': try_get(yt_conf, lambda x: x['INNERTUBE_API_KEY'])
|
||||
},
|
||||
data=bytes(json.dumps({
|
||||
'context': try_get(yt_conf, lambda x: x['INNERTUBE_CONTEXT']),
|
||||
'continuation': continuation_token
|
||||
}), encoding='utf-8'),
|
||||
headers={
|
||||
'Content-Type': 'application/json'
|
||||
}
|
||||
)
|
||||
break
|
||||
except ExtractorError as e:
|
||||
if isinstance(e.cause, compat_HTTPError) and e.cause.code in (500, 503):
|
||||
|
|
@ -329,31 +387,30 @@ class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
|
|||
continue
|
||||
raise
|
||||
|
||||
content_html = more['content_html']
|
||||
if not content_html.strip():
|
||||
# Some webpages show a "Load more" button but they don't
|
||||
# have more videos
|
||||
break
|
||||
more_widget_html = more['load_more_widget_html']
|
||||
def _extract_title(self, renderer):
|
||||
title = try_get(renderer, lambda x: x['title']['runs'][0]['text'], compat_str)
|
||||
if title:
|
||||
return title
|
||||
return try_get(renderer, lambda x: x['title']['simpleText'], compat_str)
|
||||
|
||||
|
||||
class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
|
||||
def _process_page(self, content):
|
||||
for video_id, video_title in self.extract_videos_from_page(content):
|
||||
yield self.url_result(video_id, 'Youtube', video_id, video_title)
|
||||
def _is_entry(self, obj):
|
||||
return 'videoId' in obj
|
||||
|
||||
def extract_videos_from_page_impl(self, video_re, page, ids_in_page, titles_in_page):
|
||||
for mobj in re.finditer(video_re, page):
|
||||
# The link with index 0 is not the first video of the playlist (not sure if still actual)
|
||||
if 'index' in mobj.groupdict() and mobj.group('id') == '0':
|
||||
def _process_entries(self, entries, seen):
|
||||
ids_in_page = []
|
||||
titles_in_page = []
|
||||
for renderer in entries:
|
||||
video_id = try_get(renderer, lambda x: x['videoId'])
|
||||
video_title = self._extract_title(renderer)
|
||||
|
||||
if video_id is None or video_title is None:
|
||||
# we do not have a videoRenderer or title extraction broke
|
||||
continue
|
||||
video_id = mobj.group('id')
|
||||
video_title = unescapeHTML(
|
||||
mobj.group('title')) if 'title' in mobj.groupdict() else None
|
||||
if video_title:
|
||||
video_title = video_title.strip()
|
||||
if video_title == '► Play all':
|
||||
video_title = None
|
||||
|
||||
video_title = video_title.strip()
|
||||
|
||||
try:
|
||||
idx = ids_in_page.index(video_id)
|
||||
if video_title and not titles_in_page[idx]:
|
||||
|
|
@ -362,19 +419,17 @@ class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
|
|||
ids_in_page.append(video_id)
|
||||
titles_in_page.append(video_title)
|
||||
|
||||
def extract_videos_from_page(self, page):
|
||||
ids_in_page = []
|
||||
titles_in_page = []
|
||||
self.extract_videos_from_page_impl(
|
||||
self._VIDEO_RE, page, ids_in_page, titles_in_page)
|
||||
return zip(ids_in_page, titles_in_page)
|
||||
for video_id, video_title in zip(ids_in_page, titles_in_page):
|
||||
yield self.url_result(video_id, 'Youtube', video_id, video_title)
|
||||
|
||||
|
||||
class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
|
||||
def _process_page(self, content):
|
||||
for playlist_id in orderedSet(re.findall(
|
||||
r'"/?playlist\?list=([0-9A-Za-z-_]{10,})"',
|
||||
content)):
|
||||
def _is_entry(self, obj):
|
||||
return 'playlistId' in obj
|
||||
|
||||
def _process_entries(self, entries, seen):
|
||||
for playlist_id in orderedSet(try_get(r, lambda x: x['playlistId']) for r in entries):
|
||||
|
||||
yield self.url_result(
|
||||
'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist')
|
||||
|
||||
|
|
@ -3241,11 +3296,7 @@ class YoutubePlaylistsIE(YoutubePlaylistsBaseInfoExtractor):
|
|||
}]
|
||||
|
||||
|
||||
class YoutubeSearchBaseInfoExtractor(YoutubePlaylistBaseInfoExtractor):
|
||||
_VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:[^"]*"[^>]+\btitle="(?P<title>[^"]+))?'
|
||||
|
||||
|
||||
class YoutubeSearchIE(SearchInfoExtractor, YoutubeSearchBaseInfoExtractor):
|
||||
class YoutubeSearchIE(SearchInfoExtractor, YoutubePlaylistBaseInfoExtractor):
|
||||
IE_DESC = 'YouTube.com searches'
|
||||
# there doesn't appear to be a real limit, for example if you search for
|
||||
# 'python' you get more than 8.000.000 results
|
||||
|
|
@ -3342,11 +3393,10 @@ class YoutubeSearchDateIE(YoutubeSearchIE):
|
|||
_SEARCH_PARAMS = 'CAI%3D'
|
||||
|
||||
|
||||
class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
|
||||
class YoutubeSearchURLIE(YoutubePlaylistBaseInfoExtractor):
|
||||
IE_DESC = 'YouTube.com search URLs'
|
||||
IE_NAME = 'youtube:search_url'
|
||||
_VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?(?:search_query|q)=(?P<query>[^&]+)(?:[&]|$)'
|
||||
_SEARCH_DATA = r'(?:window\["ytInitialData"\]|ytInitialData)\W?=\W?({.*?});'
|
||||
_TESTS = [{
|
||||
'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
|
||||
'playlist_mincount': 5,
|
||||
|
|
@ -3358,63 +3408,20 @@ class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
|
|||
'only_matching': True,
|
||||
}]
|
||||
|
||||
def _find_videos_in_json(self, extracted):
|
||||
videos = []
|
||||
def _process_json_dict(self, obj, videos, c):
|
||||
if "videoId" in obj:
|
||||
videos.append(obj)
|
||||
return
|
||||
|
||||
def _real_find(obj):
|
||||
if obj is None or isinstance(obj, str):
|
||||
return
|
||||
|
||||
if type(obj) is list:
|
||||
for elem in obj:
|
||||
_real_find(elem)
|
||||
|
||||
if type(obj) is dict:
|
||||
if "videoId" in obj:
|
||||
videos.append(obj)
|
||||
return
|
||||
|
||||
for _, o in obj.items():
|
||||
_real_find(o)
|
||||
|
||||
_real_find(extracted)
|
||||
|
||||
return videos
|
||||
|
||||
def extract_videos_from_page_impl(self, page, ids_in_page, titles_in_page):
|
||||
search_response = self._parse_json(self._search_regex(self._SEARCH_DATA, page, 'ytInitialData'), None)
|
||||
|
||||
result_items = self._find_videos_in_json(search_response)
|
||||
|
||||
for renderer in result_items:
|
||||
video_id = try_get(renderer, lambda x: x['videoId'])
|
||||
video_title = try_get(renderer, lambda x: x['title']['runs'][0]['text']) or try_get(renderer, lambda x: x['title']['simpleText'])
|
||||
|
||||
if video_id is None or video_title is None:
|
||||
# we do not have a videoRenderer or title extraction broke
|
||||
continue
|
||||
|
||||
video_title = video_title.strip()
|
||||
|
||||
try:
|
||||
idx = ids_in_page.index(video_id)
|
||||
if video_title and not titles_in_page[idx]:
|
||||
titles_in_page[idx] = video_title
|
||||
except ValueError:
|
||||
ids_in_page.append(video_id)
|
||||
titles_in_page.append(video_title)
|
||||
|
||||
def extract_videos_from_page(self, page):
|
||||
ids_in_page = []
|
||||
titles_in_page = []
|
||||
self.extract_videos_from_page_impl(page, ids_in_page, titles_in_page)
|
||||
return zip(ids_in_page, titles_in_page)
|
||||
if "nextContinuationData" in obj:
|
||||
c["continuation"] = obj["nextContinuationData"]
|
||||
return
|
||||
|
||||
def _real_extract(self, url):
|
||||
mobj = re.match(self._VALID_URL, url)
|
||||
query = compat_urllib_parse_unquote_plus(mobj.group('query'))
|
||||
webpage = self._download_webpage(url, query)
|
||||
return self.playlist_result(self._process_page(webpage), playlist_title=query)
|
||||
return self.playlist_result(self._entries(webpage, query, max_pages=5), playlist_title=query)
|
||||
|
||||
|
||||
class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
|
||||
|
|
@ -3436,14 +3443,12 @@ class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
|
|||
'https://www.youtube.com/show/%s/playlists' % playlist_id)
|
||||
|
||||
|
||||
class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
|
||||
class YoutubeFeedsInfoExtractor(YoutubePlaylistBaseInfoExtractor):
|
||||
"""
|
||||
Base class for feed extractors
|
||||
Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
|
||||
"""
|
||||
_LOGIN_REQUIRED = True
|
||||
_FEED_DATA = r'(?:window\["ytInitialData"\]|ytInitialData)\W?=\W?({.*?});'
|
||||
_YTCFG_DATA = r"ytcfg.set\(({.*?})\)"
|
||||
|
||||
@property
|
||||
def IE_NAME(self):
|
||||
|
|
@ -3452,96 +3457,35 @@ class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
|
|||
def _real_initialize(self):
|
||||
self._login()
|
||||
|
||||
def _find_videos_in_json(self, extracted):
|
||||
videos = []
|
||||
c = {}
|
||||
def _process_entries(self, entries, seen):
|
||||
new_info = []
|
||||
for v in entries:
|
||||
v_id = try_get(v, lambda x: x['videoId'])
|
||||
if not v_id:
|
||||
continue
|
||||
|
||||
def _real_find(obj):
|
||||
if obj is None or isinstance(obj, str):
|
||||
return
|
||||
have_video = False
|
||||
for old in seen:
|
||||
if old['videoId'] == v_id:
|
||||
have_video = True
|
||||
break
|
||||
|
||||
if type(obj) is list:
|
||||
for elem in obj:
|
||||
_real_find(elem)
|
||||
if not have_video:
|
||||
new_info.append(v)
|
||||
|
||||
if type(obj) is dict:
|
||||
if "videoId" in obj:
|
||||
videos.append(obj)
|
||||
return
|
||||
if not new_info:
|
||||
return
|
||||
|
||||
if "nextContinuationData" in obj:
|
||||
c["continuation"] = obj["nextContinuationData"]
|
||||
return
|
||||
|
||||
for _, o in obj.items():
|
||||
_real_find(o)
|
||||
|
||||
_real_find(extracted)
|
||||
|
||||
return videos, try_get(c, lambda x: x["continuation"])
|
||||
|
||||
def _entries(self, page):
|
||||
info = []
|
||||
|
||||
yt_conf = self._parse_json(self._search_regex(self._YTCFG_DATA, page, 'ytcfg.set', default="null"), None, fatal=False)
|
||||
|
||||
search_response = self._parse_json(self._search_regex(self._FEED_DATA, page, 'ytInitialData'), None)
|
||||
|
||||
for page_num in itertools.count(1):
|
||||
video_info, continuation = self._find_videos_in_json(search_response)
|
||||
|
||||
new_info = []
|
||||
|
||||
for v in video_info:
|
||||
v_id = try_get(v, lambda x: x['videoId'])
|
||||
if not v_id:
|
||||
continue
|
||||
|
||||
have_video = False
|
||||
for old in info:
|
||||
if old['videoId'] == v_id:
|
||||
have_video = True
|
||||
break
|
||||
|
||||
if not have_video:
|
||||
new_info.append(v)
|
||||
|
||||
if not new_info:
|
||||
break
|
||||
|
||||
info.extend(new_info)
|
||||
|
||||
for video in new_info:
|
||||
yield self.url_result(try_get(video, lambda x: x['videoId']), YoutubeIE.ie_key(), video_title=try_get(video, lambda x: x['title']['runs'][0]['text']) or try_get(video, lambda x: x['title']['simpleText']))
|
||||
|
||||
if not continuation or not yt_conf:
|
||||
break
|
||||
|
||||
search_response = self._download_json(
|
||||
'https://www.youtube.com/browse_ajax', self._PLAYLIST_TITLE,
|
||||
'Downloading page #%s' % page_num,
|
||||
transform_source=uppercase_escape,
|
||||
query={
|
||||
"ctoken": try_get(continuation, lambda x: x["continuation"]),
|
||||
"continuation": try_get(continuation, lambda x: x["continuation"]),
|
||||
"itct": try_get(continuation, lambda x: x["clickTrackingParams"])
|
||||
},
|
||||
headers={
|
||||
"X-YouTube-Client-Name": try_get(yt_conf, lambda x: x["INNERTUBE_CONTEXT_CLIENT_NAME"]),
|
||||
"X-YouTube-Client-Version": try_get(yt_conf, lambda x: x["INNERTUBE_CONTEXT_CLIENT_VERSION"]),
|
||||
"X-Youtube-Identity-Token": try_get(yt_conf, lambda x: x["ID_TOKEN"]),
|
||||
"X-YouTube-Device": try_get(yt_conf, lambda x: x["DEVICE"]),
|
||||
"X-YouTube-Page-CL": try_get(yt_conf, lambda x: x["PAGE_CL"]),
|
||||
"X-YouTube-Page-Label": try_get(yt_conf, lambda x: x["PAGE_BUILD_LABEL"]),
|
||||
"X-YouTube-Variants-Checksum": try_get(yt_conf, lambda x: x["VARIANTS_CHECKSUM"]),
|
||||
})
|
||||
seen.extend(new_info)
|
||||
for video in new_info:
|
||||
yield self.url_result(try_get(video, lambda x: x['videoId']), YoutubeIE.ie_key(), video_title=self._extract_title(video))
|
||||
|
||||
def _real_extract(self, url):
|
||||
page = self._download_webpage(
|
||||
'https://www.youtube.com/feed/%s' % self._FEED_NAME,
|
||||
self._PLAYLIST_TITLE)
|
||||
return self.playlist_result(
|
||||
self._entries(page), playlist_title=self._PLAYLIST_TITLE)
|
||||
return self.playlist_result(self._entries(page, self._PLAYLIST_TITLE),
|
||||
playlist_title=self._PLAYLIST_TITLE)
|
||||
|
||||
|
||||
class YoutubeWatchLaterIE(YoutubePlaylistIE):
|
||||
|
|
|
|||
Loading…
Reference in New Issue