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[extractor/LastFM] Rewrite playlist extraction (#6379)

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Authored by: hatienl0i261299, pukkandan
Closes #5975
This commit is contained in:
Ha Tien Loi
2023-03-13 00:20:40 +07:00
committed by GitHub
parent 0181b9a1b3
commit 026435714c
1 changed files with 23 additions and 20 deletions
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43
yt_dlp/extractor/lastfm.py
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@@ -1,33 +1,24 @@
import itertools
import re
from .common import InfoExtractor
from ..utils import int_or_none, format_field
from ..utils import int_or_none, parse_qs, traverse_obj
class LastFMPlaylistBaseIE(InfoExtractor):
def _entries(self, url, playlist_id):
webpage = self._download_webpage(url, playlist_id)
start_page_number = int_or_none(self._search_regex(
r'\bpage=(\d+)', url, 'page', default=None)) or 1
last_page_number = int_or_none(self._search_regex(
r'>(\d+)</a>[^<]*</li>[^<]*<li[^>]+class="pagination-next', webpage, 'last_page', default=None))
for page_number in range(start_page_number, (last_page_number or start_page_number) + 1):
single_page = traverse_obj(parse_qs(url), ('page', -1, {int_or_none}))
for page in itertools.count(single_page or 1):
webpage = self._download_webpage(
url, playlist_id,
note='Downloading page %d%s' % (page_number, format_field(last_page_number, None, ' of %d')),
query={'page': page_number})
page_entries = [
self.url_result(player_url, 'Youtube')
for player_url in set(re.findall(r'data-youtube-url="([^"]+)"', webpage))
]
for e in page_entries:
yield e
url, playlist_id, f'Downloading page {page}', query={'page': page})
videos = re.findall(r'data-youtube-url="([^"]+)"', webpage)
yield from videos
if single_page or not videos:
return
def _real_extract(self, url):
playlist_id = self._match_id(url)
return self.playlist_result(self._entries(url, playlist_id), playlist_id)
return self.playlist_from_matches(self._entries(url, playlist_id), playlist_id, ie='Youtube')
class LastFMPlaylistIE(LastFMPlaylistBaseIE):
@@ -37,7 +28,7 @@ class LastFMPlaylistIE(LastFMPlaylistBaseIE):
'info_dict': {
'id': 'Oasis',
},
'playlist_count': 11,
'playlist_mincount': 11,
}, {
'url': 'https://www.last.fm/music/Oasis',
'only_matching': True,
@@ -73,6 +64,18 @@ class LastFMUserIE(LastFMPlaylistBaseIE):
'id': '12319471',
},
'playlist_count': 30,
}, {
'url': 'https://www.last.fm/user/naamloos1/playlists/12543760',
'info_dict': {
'id': '12543760',
},
'playlist_mincount': 80,
}, {
'url': 'https://www.last.fm/user/naamloos1/playlists/12543760?page=3',
'info_dict': {
'id': '12543760',
},
'playlist_count': 32,
}]