[mixcloud] Improve and simplify mixcloud:user and mixcloud:playlist
This commit is contained in:
Yen Chi Hsuan
parent
b3a9474ad1
commit
9c250931f5
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@ -1,19 +1,21 @@
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from __future__ import unicode_literals
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import functools
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import re
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from .common import InfoExtractor
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from ..compat import (
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compat_urllib_parse_unquote,
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compat_urllib_request
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compat_urlparse,
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)
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from ..utils import (
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clean_html,
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ExtractorError,
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HEADRequest,
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OnDemandPagedList,
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NO_DEFAULT,
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parse_count,
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str_to_int,
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clean_html
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)
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@ -121,191 +123,143 @@ class MixcloudIE(InfoExtractor):
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}
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class MixcloudUserIE(InfoExtractor):
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"""
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Information extractor for Mixcloud users.
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It can retrieve a list of a user's uploads, favorites or listens.
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"""
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class MixcloudPlaylistBaseIE(InfoExtractor):
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_PAGE_SIZE = 24
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def _fetch_tracks_page(self, path, video_id, page_name, current_page):
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resp = self._download_webpage(
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'https://www.mixcloud.com/%s/' % path, video_id,
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note='Download %s (page %d)' % (page_name, current_page + 1),
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errnote='Unable to download %s' % page_name,
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query={'page': (current_page + 1), 'list': 'main', '_ajax': '1'},
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headers={'X-Requested-With': 'XMLHttpRequest'})
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for url in re.findall(r'm-play-button m-url="(?P<url>[^"]+)"', resp):
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yield self.url_result(
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compat_urlparse.urljoin('https://www.mixcloud.com', clean_html(url)),
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MixcloudIE.ie_key())
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def _get_user_description(self, page_content):
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return self._html_search_regex(
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r'<div[^>]+class="description-text"[^>]*>(.+?)</div>',
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page_content, 'user description', fatal=False)
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class MixcloudUserIE(MixcloudPlaylistBaseIE):
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_VALID_URL = r'^(?:https?://)?(?:www\.)?mixcloud\.com/(?P<user>[^/]+)/(?P<type>uploads|favorites|listens)?/?$'
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IE_NAME = 'mixcloud:user'
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_TESTS = [{
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'url': 'http://www.mixcloud.com/dholbach/',
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'info_dict': {
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'id': 'dholbach/uploads',
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'id': 'dholbach_uploads',
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'title': 'Daniel Holbach (uploads)',
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'description': 'md5:327af72d1efeb404a8216c27240d1370',
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},
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'playlist_mincount': 11
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'playlist_mincount': 11,
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}, {
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'url': 'http://www.mixcloud.com/dholbach/uploads/',
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'info_dict': {
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'id': 'dholbach/uploads',
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'id': 'dholbach_uploads',
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'title': 'Daniel Holbach (uploads)',
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'description': 'md5:327af72d1efeb404a8216c27240d1370',
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},
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'playlist_mincount': 11
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'playlist_mincount': 11,
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}, {
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'url': 'http://www.mixcloud.com/dholbach/favorites/',
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'info_dict': {
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'id': 'dholbach/favorites',
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'id': 'dholbach_favorites',
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'title': 'Daniel Holbach (favorites)',
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'description': 'md5:327af72d1efeb404a8216c27240d1370',
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},
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'playlist_mincount': 244
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'params': {
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'playlist_items': '1-100',
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},
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'playlist_mincount': 100,
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}, {
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'url': 'http://www.mixcloud.com/dholbach/listens/',
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'info_dict': {
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'id': 'dholbach/listens',
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'id': 'dholbach_listens',
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'title': 'Daniel Holbach (listens)',
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'description': 'md5:327af72d1efeb404a8216c27240d1370',
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},
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'playlist_mincount': 846
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'params': {
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'playlist_items': '1-100',
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},
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'playlist_mincount': 100,
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}]
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def _fetch_tracks(self, base_url, video_id, dl_note=None, dl_errnote=None):
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# retrieve all fragments of a list of tracks with fake AJAX calls
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track_urls = []
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current_page = 1
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while True:
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# fake a AJAX request to retrieve a list fragment
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page_url = base_url + "?page=%d&list=main&_ajax=1" % current_page
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req = compat_urllib_request.Request(page_url, headers={"X-Requested-With": "XMLHttpRequest"})
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resp = self._download_webpage(req, video_id, note=dl_note + " (page %d)" % current_page, errnote=dl_errnote)
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# extract all track URLs from fragment
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urls = re.findall(r'm-play-button m-url="(?P<url>[^"]+)"', resp)
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# clean up URLs
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urls = map(clean_html, urls)
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# create absolute URLs
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urls = map(lambda u: "https://www.mixcloud.com" + u, urls)
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track_urls.extend(urls)
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# advance to next fragment, if any
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if " m-next-page-url=" in resp:
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current_page += 1
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else:
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break
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return track_urls
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def _handle_track_urls(self, urls):
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return map(lambda u: self.url_result(u, "Mixcloud"), urls)
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def _get_user_description(self, page_content):
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return self._html_search_regex(
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r'<div class="description-text">.*?<p>(.*?)</p></div></div></div>',
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page_content,
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"user description",
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fatal=False)
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def _get_username(self, page_content):
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return self._og_search_title(page_content)
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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user_id = mobj.group("user")
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list_type = mobj.group("type")
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user_id = mobj.group('user')
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list_type = mobj.group('type')
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# if only a profile URL was supplied, default to download all uploads
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if list_type is None:
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list_type = "uploads"
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list_type = 'uploads'
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video_id = "%s/%s" % (user_id, list_type)
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video_id = '%s_%s' % (user_id, list_type)
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# download the user's profile to retrieve some metadata
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profile = self._download_webpage("https://www.mixcloud.com/%s/" % user_id,
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video_id,
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note="Downloading user profile",
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errnote="Unable to download user profile")
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profile = self._download_webpage(
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'https://www.mixcloud.com/%s/' % user_id, video_id,
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note='Downloading user profile',
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errnote='Unable to download user profile')
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username = self._get_username(profile)
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username = self._og_search_title(profile)
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description = self._get_user_description(profile)
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# retrieve all page fragments of uploads, favorites or listens
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track_urls = self._fetch_tracks(
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"https://www.mixcloud.com/%s/%s/" % (user_id, list_type),
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video_id,
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dl_note="Downloading list of %s" % list_type,
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dl_errnote="Unable to download list of %s" % list_type)
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entries = OnDemandPagedList(
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functools.partial(
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self._fetch_tracks_page,
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'%s/%s' % (user_id, list_type), video_id, 'list of %s' % list_type),
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self._PAGE_SIZE, use_cache=True)
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# let MixcloudIE handle each track URL
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entries = self._handle_track_urls(track_urls)
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return {
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'_type': 'playlist',
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'entries': entries,
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'title': "%s (%s)" % (username, list_type),
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'id': video_id,
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"description": description
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}
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return self.playlist_result(
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entries, video_id, '%s (%s)' % (username, list_type), description)
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class MixcloudPlaylistIE(MixcloudUserIE):
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"""
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Information extractor for Mixcloud playlists.
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"""
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class MixcloudPlaylistIE(MixcloudPlaylistBaseIE):
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_VALID_URL = r'^(?:https?://)?(?:www\.)?mixcloud\.com/(?P<user>[^/]+)/playlists/(?P<playlist>[^/]+)/?$'
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IE_NAME = 'mixcloud:playlist'
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_TESTS = [{
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'url': 'https://www.mixcloud.com/RedBullThre3style/playlists/tokyo-finalists-2015/',
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'info_dict': {
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'id': 'RedBullThre3style/playlists/tokyo-finalists-2015',
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'id': 'RedBullThre3style_tokyo-finalists-2015',
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'title': 'National Champions 2015',
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'description': 'md5:6ff5fb01ac76a31abc9b3939c16243a3',
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},
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'playlist_mincount': 16
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'playlist_mincount': 16,
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}, {
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'url': 'https://www.mixcloud.com/maxvibes/playlists/jazzcat-on-ness-radio/',
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'info_dict': {
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'id': 'maxvibes/playlists/jazzcat-on-ness-radio',
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'id': 'maxvibes_jazzcat-on-ness-radio',
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'title': 'Jazzcat on Ness Radio',
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'description': 'md5:7bbbf0d6359a0b8cda85224be0f8f263',
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},
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'playlist_mincount': 23
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}]
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def _get_playlist_title(self, page_content):
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return self._html_search_regex(
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r'<span class="main-list-title list-playlist-title ">(?P<title>.*?)</span>',
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page_content,
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"playlist title",
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group="title",
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fatal=True
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)
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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user_id = mobj.group("user")
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playlist_id = mobj.group("playlist")
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video_id = "%s/playlists/%s" % (user_id, playlist_id)
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user_id = mobj.group('user')
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playlist_id = mobj.group('playlist')
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video_id = '%s_%s' % (user_id, playlist_id)
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# download the playlist page to retrieve some metadata
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profile = self._download_webpage(url,
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user_id,
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note="Downloading playlist page",
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errnote="Unable to download playlist page")
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profile = self._download_webpage(
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url, user_id,
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note='Downloading playlist page',
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errnote='Unable to download playlist page')
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description = self._get_user_description(profile)
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playlist_title = self._get_playlist_title(profile)
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playlist_title = self._html_search_regex(
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r'<span[^>]+class="[^"]*list-playlist-title[^"]*"[^>]*>(.*?)</span>',
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profile, 'playlist title')
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# retrieve all page fragments of playlist
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track_urls = self._fetch_tracks(
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"https://www.mixcloud.com/%s/playlists/%s/" % (user_id, playlist_id),
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video_id,
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dl_note="Downloading tracklist of %s" % playlist_title,
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dl_errnote="Unable to tracklist of %s" % playlist_title)
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entries = OnDemandPagedList(
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functools.partial(
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self._fetch_tracks_page,
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'%s/playlists/%s' % (user_id, playlist_id), video_id, 'tracklist'),
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self._PAGE_SIZE)
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# let MixcloudIE handle each track
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entries = self._handle_track_urls(track_urls)
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return {
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'_type': 'playlist',
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'entries': entries,
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'title': playlist_title,
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'id': video_id,
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"description": description
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}
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return self.playlist_result(entries, video_id, playlist_title, description)
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