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[mixcloud] Improve and simplify mixcloud:user and mixcloud:playlist

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pull/8/head
Yen Chi Hsuan 9 years ago
parent b3a9474ad1
commit 9c250931f5
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1 changed files with 76 additions and 122 deletions
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198
youtube_dl/extractor/mixcloud.py
Unescape Escape View File

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

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