[mixcloud] improved extraction of user description
[youtube-dl] / youtube_dl / extractor / mixcloud.py
index 425a4ccf16fff96b1bface874748b93762d2194b..30b33e7e98581fb0142d30837276dc476f6acd49 100644 (file)
@@ -4,24 +4,28 @@ import re
 
 from .common import InfoExtractor
 from ..compat import (
-    compat_urllib_parse,
+    compat_urllib_parse_unquote,
+    compat_urllib_request
 )
 from ..utils import (
     ExtractorError,
     HEADRequest,
+    NO_DEFAULT,
+    parse_count,
     str_to_int,
+    clean_html
 )
 
 
 class MixcloudIE(InfoExtractor):
-    _VALID_URL = r'^(?:https?://)?(?:www\.)?mixcloud\.com/([^/]+)/([^/]+)'
+    _VALID_URL = r'^(?:https?://)?(?:www\.)?mixcloud\.com/([^/]+)/(?!stream|uploads|favorites|listens|playlists)([^/]+)'
     IE_NAME = 'mixcloud'
 
     _TESTS = [{
         'url': 'http://www.mixcloud.com/dholbach/cryptkeeper/',
         'info_dict': {
             'id': 'dholbach-cryptkeeper',
-            'ext': 'mp3',
+            'ext': 'm4a',
             'title': 'Cryptkeeper',
             'description': 'After quite a long silence from myself, finally another Drum\'n\'Bass mix with my favourite current dance floor bangers.',
             'uploader': 'Daniel Holbach',
@@ -60,13 +64,23 @@ class MixcloudIE(InfoExtractor):
         mobj = re.match(self._VALID_URL, url)
         uploader = mobj.group(1)
         cloudcast_name = mobj.group(2)
-        track_id = compat_urllib_parse.unquote('-'.join((uploader, cloudcast_name)))
+        track_id = compat_urllib_parse_unquote('-'.join((uploader, cloudcast_name)))
 
         webpage = self._download_webpage(url, track_id)
 
+        message = self._html_search_regex(
+            r'(?s)<div[^>]+class="global-message cloudcast-disabled-notice-light"[^>]*>(.+?)<(?:a|/div)',
+            webpage, 'error message', default=None)
+
         preview_url = self._search_regex(
-            r'\s(?:data-preview-url|m-preview)="([^"]+)"', webpage, 'preview url')
-        song_url = preview_url.replace('/previews/', '/c/originals/')
+            r'\s(?:data-preview-url|m-preview)="([^"]+)"',
+            webpage, 'preview url', default=None if message else NO_DEFAULT)
+
+        if message:
+            raise ExtractorError('%s said: %s' % (self.IE_NAME, message), expected=True)
+
+        song_url = re.sub(r'audiocdn(\d+)', r'stream\1', preview_url)
+        song_url = song_url.replace('/previews/', '/c/originals/')
         if not self._check_url(song_url, track_id, 'mp3'):
             song_url = song_url.replace('.mp3', '.m4a').replace('originals/', 'm4a/64/')
             if not self._check_url(song_url, track_id, 'm4a'):
@@ -86,8 +100,8 @@ class MixcloudIE(InfoExtractor):
         uploader_id = self._search_regex(
             r'\s+"profile": "([^"]+)",', webpage, 'uploader id', fatal=False)
         description = self._og_search_description(webpage)
-        like_count = str_to_int(self._search_regex(
-            r'\bbutton-favorite\b[^>]+m-ajax-toggle-count="([^"]+)"',
+        like_count = parse_count(self._search_regex(
+            r'\bbutton-favorite[^>]+>.*?<span[^>]+class=["\']toggle-number[^>]+>\s*([^<]+)',
             webpage, 'like count', fatal=False))
         view_count = str_to_int(self._search_regex(
             [r'<meta itemprop="interactionCount" content="UserPlays:([0-9]+)"',
@@ -105,3 +119,193 @@ class MixcloudIE(InfoExtractor):
             'view_count': view_count,
             'like_count': like_count,
         }
+
+
+class MixcloudUserIE(InfoExtractor):
+    """
+    Information extractor for Mixcloud users.
+    It can retrieve a list of a user's uploads, favorites or listens.
+    """
+
+    _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',
+            'title': 'Daniel Holbach (uploads)',
+            'description': 'md5:327af72d1efeb404a8216c27240d1370',
+        },
+        'playlist_mincount': 11
+    }, {
+        'url': 'http://www.mixcloud.com/dholbach/uploads/',
+        'info_dict': {
+            'id': 'dholbach/uploads',
+            'title': 'Daniel Holbach (uploads)',
+            'description': 'md5:327af72d1efeb404a8216c27240d1370',
+        },
+        'playlist_mincount': 11
+    }, {
+        'url': 'http://www.mixcloud.com/dholbach/favorites/',
+        'info_dict': {
+            'id': 'dholbach/favorites',
+            'title': 'Daniel Holbach (favorites)',
+            'description': 'md5:327af72d1efeb404a8216c27240d1370',
+        },
+        'playlist_mincount': 244
+    }, {
+        'url': 'http://www.mixcloud.com/dholbach/listens/',
+        'info_dict': {
+            'id': 'dholbach/listens',
+            'title': 'Daniel Holbach (listens)',
+            'description': 'md5:327af72d1efeb404a8216c27240d1370',
+        },
+        'playlist_mincount': 846
+    }]
+
+    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")
+
+        # if only a profile URL was supplied, default to download all uploads
+        if list_type is None:
+            list_type = "uploads"
+
+        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")
+
+        username = self._get_username(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
+        }
+
+
+class MixcloudPlaylistIE(MixcloudUserIE):
+    """
+    Information extractor for Mixcloud playlists.
+    """
+
+    _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',
+            'title': 'National Champions 2015',
+            'description': 'md5:6ff5fb01ac76a31abc9b3939c16243a3',
+        },
+        'playlist_mincount': 16
+    }, {
+        'url': 'https://www.mixcloud.com/maxvibes/playlists/jazzcat-on-ness-radio/',
+        'info_dict': {
+            'id': 'maxvibes/playlists/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)
+
+        # 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")
+
+        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)
+
+        # let MixcloudIE handle each track
+        entries = self._handle_track_urls(track_urls)
+
+        return {
+            '_type': 'playlist',
+            'entries': entries,
+            'title': playlist_title,
+            'id': video_id,
+            "description": description
+        }