X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/b238854ce845f3796daac74edab2e8a373e8ba1a..refs/heads/master:/youtube_dl/extractor/bandcamp.py

diff --git a/youtube_dl/extractor/bandcamp.py b/youtube_dl/extractor/bandcamp.py
index 3a32c14..f14b407 100644
--- a/youtube_dl/extractor/bandcamp.py
+++ b/youtube_dl/extractor/bandcamp.py
@@ -1,129 +1,417 @@
-import json
+from __future__ import unicode_literals
+
+import random
 import re
+import time
 
 from .common import InfoExtractor
-from ..utils import (
+from ..compat import (
     compat_str,
     compat_urlparse,
+)
+from ..utils import (
     ExtractorError,
+    float_or_none,
+    int_or_none,
+    KNOWN_EXTENSIONS,
+    parse_filesize,
+    str_or_none,
+    try_get,
+    unescapeHTML,
+    update_url_query,
+    unified_strdate,
+    unified_timestamp,
+    url_or_none,
 )
 
 
 class BandcampIE(InfoExtractor):
-    IE_NAME = u'Bandcamp'
-    _VALID_URL = r'http://.*?\.bandcamp\.com/track/(?P<title>.*)'
+    _VALID_URL = r'https?://[^/]+\.bandcamp\.com/track/(?P<title>[^/?#&]+)'
     _TESTS = [{
-        u'url': u'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song',
-        u'file': u'1812978515.mp3',
-        u'md5': u'cdeb30cdae1921719a3cbcab696ef53c',
-        u'info_dict': {
-            u"title": u"youtube-dl test song \"'/\\\u00e4\u21ad"
+        'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song',
+        'md5': 'c557841d5e50261777a6585648adf439',
+        'info_dict': {
+            'id': '1812978515',
+            'ext': 'mp3',
+            'title': "youtube-dl  \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad",
+            'duration': 9.8485,
+        },
+        '_skip': 'There is a limit of 200 free downloads / month for the test song'
+    }, {
+        # free download
+        'url': 'http://benprunty.bandcamp.com/track/lanius-battle',
+        'md5': '853e35bf34aa1d6fe2615ae612564b36',
+        'info_dict': {
+            'id': '2650410135',
+            'ext': 'aiff',
+            'title': 'Ben Prunty - Lanius (Battle)',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'uploader': 'Ben Prunty',
+            'timestamp': 1396508491,
+            'upload_date': '20140403',
+            'release_date': '20140403',
+            'duration': 260.877,
+            'track': 'Lanius (Battle)',
+            'track_number': 1,
+            'track_id': '2650410135',
+            'artist': 'Ben Prunty',
+            'album': 'FTL: Advanced Edition Soundtrack',
+        },
+    }, {
+        # no free download, mp3 128
+        'url': 'https://relapsealumni.bandcamp.com/track/hail-to-fire',
+        'md5': 'fec12ff55e804bb7f7ebeb77a800c8b7',
+        'info_dict': {
+            'id': '2584466013',
+            'ext': 'mp3',
+            'title': 'Mastodon - Hail to Fire',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'uploader': 'Mastodon',
+            'timestamp': 1322005399,
+            'upload_date': '20111122',
+            'release_date': '20040207',
+            'duration': 120.79,
+            'track': 'Hail to Fire',
+            'track_number': 5,
+            'track_id': '2584466013',
+            'artist': 'Mastodon',
+            'album': 'Call of the Mastodon',
         },
-        u'skip': u'There is a limit of 200 free downloads / month for the test song'
     }]
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         title = mobj.group('title')
         webpage = self._download_webpage(url, title)
-        # We get the link to the free download page
-        m_download = re.search(r'freeDownloadPage: "(.*?)"', webpage)
-        if m_download is None:
-            m_trackinfo = re.search(r'trackinfo: (.+),\s*?\n', webpage)
-        if m_trackinfo:
-            json_code = m_trackinfo.group(1)
-            data = json.loads(json_code)
-
-            for d in data:
-                formats = [{
-                    'format_id': 'format_id',
-                    'url': format_url,
-                    'ext': format_id.partition('-')[0]
-                } for format_id, format_url in sorted(d['file'].items())]
-                return {
-                    'id': compat_str(d['id']),
-                    'title': d['title'],
-                    'formats': formats,
-                }
-        else:
-            raise ExtractorError(u'No free songs found')
-
-        download_link = m_download.group(1)
-        id = re.search(r'var TralbumData = {(.*?)id: (?P<id>\d*?)$', 
-                       webpage, re.MULTILINE|re.DOTALL).group('id')
-
-        download_webpage = self._download_webpage(download_link, id,
-                                                  'Downloading free downloads page')
-        # We get the dictionary of the track from some javascrip code
-        info = re.search(r'items: (.*?),$',
-                         download_webpage, re.MULTILINE).group(1)
-        info = json.loads(info)[0]
-        # We pick mp3-320 for now, until format selection can be easily implemented.
-        mp3_info = info[u'downloads'][u'mp3-320']
-        # If we try to use this url it says the link has expired
-        initial_url = mp3_info[u'url']
-        re_url = r'(?P<server>http://(.*?)\.bandcamp\.com)/download/track\?enc=mp3-320&fsig=(?P<fsig>.*?)&id=(?P<id>.*?)&ts=(?P<ts>.*)$'
-        m_url = re.match(re_url, initial_url)
-        #We build the url we will use to get the final track url
-        # This url is build in Bandcamp in the script download_bunde_*.js
-        request_url = '%s/statdownload/track?enc=mp3-320&fsig=%s&id=%s&ts=%s&.rand=665028774616&.vrs=1' % (m_url.group('server'), m_url.group('fsig'), id, m_url.group('ts'))
-        final_url_webpage = self._download_webpage(request_url, id, 'Requesting download url')
-        # If we could correctly generate the .rand field the url would be
-        #in the "download_url" key
-        final_url = re.search(r'"retry_url":"(.*?)"', final_url_webpage).group(1)
-
-        track_info = {'id':id,
-                      'title' : info[u'title'],
-                      'ext' :   'mp3',
-                      'url' :   final_url,
-                      'thumbnail' : info[u'thumb_url'],
-                      'uploader' :  info[u'artist']
-                      }
-
-        return [track_info]
+        thumbnail = self._html_search_meta('og:image', webpage, default=None)
+
+        track_id = None
+        track = None
+        track_number = None
+        duration = None
+
+        formats = []
+        track_info = self._parse_json(
+            self._search_regex(
+                r'trackinfo\s*:\s*\[\s*({.+?})\s*\]\s*,\s*?\n',
+                webpage, 'track info', default='{}'), title)
+        if track_info:
+            file_ = track_info.get('file')
+            if isinstance(file_, dict):
+                for format_id, format_url in file_.items():
+                    if not url_or_none(format_url):
+                        continue
+                    ext, abr_str = format_id.split('-', 1)
+                    formats.append({
+                        'format_id': format_id,
+                        'url': self._proto_relative_url(format_url, 'http:'),
+                        'ext': ext,
+                        'vcodec': 'none',
+                        'acodec': ext,
+                        'abr': int_or_none(abr_str),
+                    })
+            track = track_info.get('title')
+            track_id = str_or_none(track_info.get('track_id') or track_info.get('id'))
+            track_number = int_or_none(track_info.get('track_num'))
+            duration = float_or_none(track_info.get('duration'))
+
+        def extract(key):
+            return self._search_regex(
+                r'\b%s\s*["\']?\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1' % key,
+                webpage, key, default=None, group='value')
+
+        artist = extract('artist')
+        album = extract('album_title')
+        timestamp = unified_timestamp(
+            extract('publish_date') or extract('album_publish_date'))
+        release_date = unified_strdate(extract('album_release_date'))
+
+        download_link = self._search_regex(
+            r'freeDownloadPage\s*:\s*(["\'])(?P<url>(?:(?!\1).)+)\1', webpage,
+            'download link', default=None, group='url')
+        if download_link:
+            track_id = self._search_regex(
+                r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$',
+                webpage, 'track id')
+
+            download_webpage = self._download_webpage(
+                download_link, track_id, 'Downloading free downloads page')
+
+            blob = self._parse_json(
+                self._search_regex(
+                    r'data-blob=(["\'])(?P<blob>{.+?})\1', download_webpage,
+                    'blob', group='blob'),
+                track_id, transform_source=unescapeHTML)
+
+            info = try_get(
+                blob, (lambda x: x['digital_items'][0],
+                       lambda x: x['download_items'][0]), dict)
+            if info:
+                downloads = info.get('downloads')
+                if isinstance(downloads, dict):
+                    if not track:
+                        track = info.get('title')
+                    if not artist:
+                        artist = info.get('artist')
+                    if not thumbnail:
+                        thumbnail = info.get('thumb_url')
+
+                    download_formats = {}
+                    download_formats_list = blob.get('download_formats')
+                    if isinstance(download_formats_list, list):
+                        for f in blob['download_formats']:
+                            name, ext = f.get('name'), f.get('file_extension')
+                            if all(isinstance(x, compat_str) for x in (name, ext)):
+                                download_formats[name] = ext.strip('.')
+
+                    for format_id, f in downloads.items():
+                        format_url = f.get('url')
+                        if not format_url:
+                            continue
+                        # Stat URL generation algorithm is reverse engineered from
+                        # download_*_bundle_*.js
+                        stat_url = update_url_query(
+                            format_url.replace('/download/', '/statdownload/'), {
+                                '.rand': int(time.time() * 1000 * random.random()),
+                            })
+                        format_id = f.get('encoding_name') or format_id
+                        stat = self._download_json(
+                            stat_url, track_id, 'Downloading %s JSON' % format_id,
+                            transform_source=lambda s: s[s.index('{'):s.rindex('}') + 1],
+                            fatal=False)
+                        if not stat:
+                            continue
+                        retry_url = url_or_none(stat.get('retry_url'))
+                        if not retry_url:
+                            continue
+                        formats.append({
+                            'url': self._proto_relative_url(retry_url, 'http:'),
+                            'ext': download_formats.get(format_id),
+                            'format_id': format_id,
+                            'format_note': f.get('description'),
+                            'filesize': parse_filesize(f.get('size_mb')),
+                            'vcodec': 'none',
+                        })
+
+        self._sort_formats(formats)
+
+        title = '%s - %s' % (artist, track) if artist else track
+
+        if not duration:
+            duration = float_or_none(self._html_search_meta(
+                'duration', webpage, default=None))
+
+        return {
+            'id': track_id,
+            'title': title,
+            'thumbnail': thumbnail,
+            'uploader': artist,
+            'timestamp': timestamp,
+            'release_date': release_date,
+            'duration': duration,
+            'track': track,
+            'track_number': track_number,
+            'track_id': track_id,
+            'artist': artist,
+            'album': album,
+            'formats': formats,
+        }
 
 
 class BandcampAlbumIE(InfoExtractor):
-    IE_NAME = u'Bandcamp:album'
-    _VALID_URL = r'http://.*?\.bandcamp\.com/album/(?P<title>.*)'
+    IE_NAME = 'Bandcamp:album'
+    _VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<album_id>[^/?#&]+))?'
 
-    _TEST = {
-        u'url': u'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1',
-        u'playlist': [
+    _TESTS = [{
+        'url': 'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1',
+        'playlist': [
             {
-                u'file': u'1353101989.mp3',
-                u'md5': u'39bc1eded3476e927c724321ddf116cf',
-                u'info_dict': {
-                    u'title': u'Intro',
+                'md5': '39bc1eded3476e927c724321ddf116cf',
+                'info_dict': {
+                    'id': '1353101989',
+                    'ext': 'mp3',
+                    'title': 'Intro',
                 }
             },
             {
-                u'file': u'38097443.mp3',
-                u'md5': u'1a2c32e2691474643e912cc6cd4bffaa',
-                u'info_dict': {
-                    u'title': u'Kero One - Keep It Alive (Blazo remix)',
+                'md5': '1a2c32e2691474643e912cc6cd4bffaa',
+                'info_dict': {
+                    'id': '38097443',
+                    'ext': 'mp3',
+                    'title': 'Kero One - Keep It Alive (Blazo remix)',
                 }
             },
         ],
-        u'params': {
-            u'playlistend': 2
+        'info_dict': {
+            'title': 'Jazz Format Mixtape vol.1',
+            'id': 'jazz-format-mixtape-vol-1',
+            'uploader_id': 'blazo',
+        },
+        'params': {
+            'playlistend': 2
+        },
+        'skip': 'Bandcamp imposes download limits.'
+    }, {
+        'url': 'http://nightbringer.bandcamp.com/album/hierophany-of-the-open-grave',
+        'info_dict': {
+            'title': 'Hierophany of the Open Grave',
+            'uploader_id': 'nightbringer',
+            'id': 'hierophany-of-the-open-grave',
         },
-        u'skip': u'Bancamp imposes download limits. See test_playlists:test_bandcamp_album for the playlist test'
-    }
+        'playlist_mincount': 9,
+    }, {
+        'url': 'http://dotscale.bandcamp.com',
+        'info_dict': {
+            'title': 'Loom',
+            'id': 'dotscale',
+            'uploader_id': 'dotscale',
+        },
+        'playlist_mincount': 7,
+    }, {
+        # with escaped quote in title
+        'url': 'https://jstrecords.bandcamp.com/album/entropy-ep',
+        'info_dict': {
+            'title': '"Entropy" EP',
+            'uploader_id': 'jstrecords',
+            'id': 'entropy-ep',
+        },
+        'playlist_mincount': 3,
+    }, {
+        # not all tracks have songs
+        'url': 'https://insulters.bandcamp.com/album/we-are-the-plague',
+        'info_dict': {
+            'id': 'we-are-the-plague',
+            'title': 'WE ARE THE PLAGUE',
+            'uploader_id': 'insulters',
+        },
+        'playlist_count': 2,
+    }]
+
+    @classmethod
+    def suitable(cls, url):
+        return (False
+                if BandcampWeeklyIE.suitable(url) or BandcampIE.suitable(url)
+                else super(BandcampAlbumIE, cls).suitable(url))
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
-        title = mobj.group('title')
-        webpage = self._download_webpage(url, title)
-        tracks_paths = re.findall(r'<a href="(.*?)" itemprop="url">', webpage)
-        if not tracks_paths:
-            raise ExtractorError(u'The page doesn\'t contain any track')
+        uploader_id = mobj.group('subdomain')
+        album_id = mobj.group('album_id')
+        playlist_id = album_id or uploader_id
+        webpage = self._download_webpage(url, playlist_id)
+        track_elements = re.findall(
+            r'(?s)<div[^>]*>(.*?<a[^>]+href="([^"]+?)"[^>]+itemprop="url"[^>]*>.*?)</div>', webpage)
+        if not track_elements:
+            raise ExtractorError('The page doesn\'t contain any tracks')
+        # Only tracks with duration info have songs
         entries = [
-            self.url_result(compat_urlparse.urljoin(url, t_path), ie=BandcampIE.ie_key())
-            for t_path in tracks_paths]
-        title = self._search_regex(r'album_title : "(.*?)"', webpage, u'title')
+            self.url_result(
+                compat_urlparse.urljoin(url, t_path),
+                ie=BandcampIE.ie_key(),
+                video_title=self._search_regex(
+                    r'<span\b[^>]+\bitemprop=["\']name["\'][^>]*>([^<]+)',
+                    elem_content, 'track title', fatal=False))
+            for elem_content, t_path in track_elements
+            if self._html_search_meta('duration', elem_content, default=None)]
+
+        title = self._html_search_regex(
+            r'album_title\s*:\s*"((?:\\.|[^"\\])+?)"',
+            webpage, 'title', fatal=False)
+        if title:
+            title = title.replace(r'\"', '"')
         return {
             '_type': 'playlist',
+            'uploader_id': uploader_id,
+            'id': playlist_id,
             'title': title,
             'entries': entries,
         }
+
+
+class BandcampWeeklyIE(InfoExtractor):
+    IE_NAME = 'Bandcamp:weekly'
+    _VALID_URL = r'https?://(?:www\.)?bandcamp\.com/?\?(?:.*?&)?show=(?P<id>\d+)'
+    _TESTS = [{
+        'url': 'https://bandcamp.com/?show=224',
+        'md5': 'b00df799c733cf7e0c567ed187dea0fd',
+        'info_dict': {
+            'id': '224',
+            'ext': 'opus',
+            'title': 'BC Weekly April 4th 2017 - Magic Moments',
+            'description': 'md5:5d48150916e8e02d030623a48512c874',
+            'duration': 5829.77,
+            'release_date': '20170404',
+            'series': 'Bandcamp Weekly',
+            'episode': 'Magic Moments',
+            'episode_number': 208,
+            'episode_id': '224',
+        }
+    }, {
+        'url': 'https://bandcamp.com/?blah/blah@&show=228',
+        'only_matching': True
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+
+        blob = self._parse_json(
+            self._search_regex(
+                r'data-blob=(["\'])(?P<blob>{.+?})\1', webpage,
+                'blob', group='blob'),
+            video_id, transform_source=unescapeHTML)
+
+        show = blob['bcw_show']
+
+        # This is desired because any invalid show id redirects to `bandcamp.com`
+        # which happens to expose the latest Bandcamp Weekly episode.
+        show_id = int_or_none(show.get('show_id')) or int_or_none(video_id)
+
+        formats = []
+        for format_id, format_url in show['audio_stream'].items():
+            if not url_or_none(format_url):
+                continue
+            for known_ext in KNOWN_EXTENSIONS:
+                if known_ext in format_id:
+                    ext = known_ext
+                    break
+            else:
+                ext = None
+            formats.append({
+                'format_id': format_id,
+                'url': format_url,
+                'ext': ext,
+                'vcodec': 'none',
+            })
+        self._sort_formats(formats)
+
+        title = show.get('audio_title') or 'Bandcamp Weekly'
+        subtitle = show.get('subtitle')
+        if subtitle:
+            title += ' - %s' % subtitle
+
+        episode_number = None
+        seq = blob.get('bcw_seq')
+
+        if seq and isinstance(seq, list):
+            try:
+                episode_number = next(
+                    int_or_none(e.get('episode_number'))
+                    for e in seq
+                    if isinstance(e, dict) and int_or_none(e.get('id')) == show_id)
+            except StopIteration:
+                pass
+
+        return {
+            'id': video_id,
+            'title': title,
+            'description': show.get('desc') or show.get('short_desc'),
+            'duration': float_or_none(show.get('audio_duration')),
+            'is_live': False,
+            'release_date': unified_strdate(show.get('published_date')),
+            'series': 'Bandcamp Weekly',
+            'episode': show.get('subtitle'),
+            'episode_number': episode_number,
+            'episode_id': compat_str(video_id),
+            'formats': formats
+        }