[bilibili] Add support for new URL schema with BV ids (closes #24439, closes #24442)
[youtube-dl] / youtube_dl / extractor / bilibili.py
index 59beb11bce71bfc6ef9b036ad123dc44e872d0be..e9d0a8d0c04adab890e2061e0f3e1ec477cc0694 100644 (file)
 # coding: utf-8
 from __future__ import unicode_literals
 
+import hashlib
 import re
 
 from .common import InfoExtractor
-from ..compat import compat_str
+from ..compat import (
+    compat_parse_qs,
+    compat_urlparse,
+)
 from ..utils import (
-    int_or_none,
-    unescapeHTML,
     ExtractorError,
-    xpath_text,
+    int_or_none,
+    float_or_none,
+    parse_iso8601,
+    smuggle_url,
+    str_or_none,
+    strip_jsonp,
+    unified_timestamp,
+    unsmuggle_url,
+    urlencode_postdata,
 )
 
 
 class BiliBiliIE(InfoExtractor):
-    _VALID_URL = r'http://www\.bilibili\.(?:tv|com)/video/av(?P<id>\d+)(?:/index_(?P<page_num>\d+).html)?'
+    _VALID_URL = r'''(?x)
+                    https?://
+                        (?:(?:www|bangumi)\.)?
+                        bilibili\.(?:tv|com)/
+                        (?:
+                            (?:
+                                video/[aA][vV]|
+                                anime/(?P<anime_id>\d+)/play\#
+                            )(?P<id_bv>\d+)|
+                            video/[bB][vV](?P<id>[^/?#&]+)
+                        )
+                    '''
 
     _TESTS = [{
         'url': 'http://www.bilibili.tv/video/av1074402/',
-        'md5': '2c301e4dab317596e837c3e7633e7d86',
+        'md5': '5f7d29e1a2872f3df0cf76b1f87d3788',
         'info_dict': {
-            'id': '1554319',
+            'id': '1074402',
             'ext': 'flv',
             'title': '【金坷垃】金泡沫',
-            'duration': 308313,
-            'upload_date': '20140420',
-            'thumbnail': 're:^https?://.+\.jpg',
             'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923',
-            'timestamp': 1397983878,
+            'duration': 308.067,
+            'timestamp': 1398012678,
+            'upload_date': '20140420',
+            'thumbnail': r're:^https?://.+\.jpg',
             'uploader': '菊子桑',
+            'uploader_id': '156160',
         },
     }, {
-        'url': 'http://www.bilibili.com/video/av1041170/',
+        # Tested in BiliBiliBangumiIE
+        'url': 'http://bangumi.bilibili.com/anime/1869/play#40062',
+        'only_matching': True,
+    }, {
+        'url': 'http://bangumi.bilibili.com/anime/5802/play#100643',
+        'md5': '3f721ad1e75030cc06faf73587cfec57',
         'info_dict': {
-            'id': '1041170',
-            'title': '【BD1080P】刀语【诸神&异域】',
-            'description': '这是个神奇的故事~每个人不留弹幕不给走哦~切利哦!~',
-            'uploader': '枫叶逝去',
-            'timestamp': 1396501299,
+            'id': '100643',
+            'ext': 'mp4',
+            'title': 'CHAOS;CHILD',
+            'description': '如果你是神明,并且能够让妄想成为现实。那你会进行怎么样的妄想?是淫靡的世界?独裁社会?毁灭性的制裁?还是……2015年,涩谷。从6年前发生的大灾害“涩谷地震”之后复兴了的这个街区里新设立的私立高中...',
         },
-        'playlist_count': 9,
+        'skip': 'Geo-restricted to China',
+    }, {
+        # Title with double quotes
+        'url': 'http://www.bilibili.com/video/av8903802/',
+        'info_dict': {
+            'id': '8903802',
+            'title': '阿滴英文|英文歌分享#6 "Closer',
+            'description': '滴妹今天唱Closer給你聽! 有史以来,被推最多次也是最久的歌曲,其实歌词跟我原本想像差蛮多的,不过还是好听! 微博@阿滴英文',
+        },
+        'playlist': [{
+            'info_dict': {
+                'id': '8903802_part1',
+                'ext': 'flv',
+                'title': '阿滴英文|英文歌分享#6 "Closer',
+                'description': 'md5:3b1b9e25b78da4ef87e9b548b88ee76a',
+                'uploader': '阿滴英文',
+                'uploader_id': '65880958',
+                'timestamp': 1488382634,
+                'upload_date': '20170301',
+            },
+            'params': {
+                'skip_download': True,  # Test metadata only
+            },
+        }, {
+            'info_dict': {
+                'id': '8903802_part2',
+                'ext': 'flv',
+                'title': '阿滴英文|英文歌分享#6 "Closer',
+                'description': 'md5:3b1b9e25b78da4ef87e9b548b88ee76a',
+                'uploader': '阿滴英文',
+                'uploader_id': '65880958',
+                'timestamp': 1488382634,
+                'upload_date': '20170301',
+            },
+            'params': {
+                'skip_download': True,  # Test metadata only
+            },
+        }]
+    }, {
+        # new BV video id format
+        'url': 'https://www.bilibili.com/video/BV1JE411F741',
+        'only_matching': True,
     }]
 
+    _APP_KEY = 'iVGUTjsxvpLeuDCf'
+    _BILIBILI_KEY = 'aHRmhWMLkdeMuILqORnYZocwMBpMEOdt'
+
+    def _report_error(self, result):
+        if 'message' in result:
+            raise ExtractorError('%s said: %s' % (self.IE_NAME, result['message']), expected=True)
+        elif 'code' in result:
+            raise ExtractorError('%s returns error %d' % (self.IE_NAME, result['code']), expected=True)
+        else:
+            raise ExtractorError('Can\'t extract Bangumi episode ID')
+
     def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('id')
-        page_num = mobj.group('page_num') or '1'
+        url, smuggled_data = unsmuggle_url(url, {})
 
-        view_data = self._download_json(
-            'http://api.bilibili.com/view?type=json&appkey=8e9fc618fbd41e28&id=%s&page=%s' % (video_id, page_num),
-            video_id)
-        if 'error' in view_data:
-            raise ExtractorError('%s said: %s' % (self.IE_NAME, view_data['error']), expected=True)
+        mobj = re.match(self._VALID_URL, url)
+        video_id = mobj.group('id') or mobj.group('id_bv')
+        anime_id = mobj.group('anime_id')
+        webpage = self._download_webpage(url, video_id)
 
-        cid = view_data['cid']
-        title = unescapeHTML(view_data['title'])
+        if 'anime/' not in url:
+            cid = self._search_regex(
+                r'\bcid(?:["\']:|=)(\d+)', webpage, 'cid',
+                default=None
+            ) or compat_parse_qs(self._search_regex(
+                [r'EmbedPlayer\([^)]+,\s*"([^"]+)"\)',
+                 r'EmbedPlayer\([^)]+,\s*\\"([^"]+)\\"\)',
+                 r'<iframe[^>]+src="https://secure\.bilibili\.com/secure,([^"]+)"'],
+                webpage, 'player parameters'))['cid'][0]
+        else:
+            if 'no_bangumi_tip' not in smuggled_data:
+                self.to_screen('Downloading episode %s. To download all videos in anime %s, re-run youtube-dl with %s' % (
+                    video_id, anime_id, compat_urlparse.urljoin(url, '//bangumi.bilibili.com/anime/%s' % anime_id)))
+            headers = {
+                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+                'Referer': url
+            }
+            headers.update(self.geo_verification_headers())
 
-        doc = self._download_xml(
-            'http://interface.bilibili.com/v_cdn_play?appkey=8e9fc618fbd41e28&cid=%s' % cid,
-            cid,
-            'Downloading page %s/%s' % (page_num, view_data['pages'])
-        )
+            js = self._download_json(
+                'http://bangumi.bilibili.com/web_api/get_source', video_id,
+                data=urlencode_postdata({'episode_id': video_id}),
+                headers=headers)
+            if 'result' not in js:
+                self._report_error(js)
+            cid = js['result']['cid']
 
-        if xpath_text(doc, './result') == 'error':
-            raise ExtractorError('%s said: %s' % (self.IE_NAME, xpath_text(doc, './message')), expected=True)
+        headers = {
+            'Referer': url
+        }
+        headers.update(self.geo_verification_headers())
 
         entries = []
 
-        for durl in doc.findall('./durl'):
-            size = xpath_text(durl, ['./filesize', './size'])
-            formats = [{
-                'url': durl.find('./url').text,
-                'filesize': int_or_none(size),
-                'ext': 'flv',
-            }]
-            backup_urls = durl.find('./backup_url')
-            if backup_urls is not None:
-                for backup_url in backup_urls.findall('./url'):
-                    formats.append({'url': backup_url.text})
-            formats.reverse()
-
-            entries.append({
-                'id': '%s_part%s' % (cid, xpath_text(durl, './order')),
-                'title': title,
-                'duration': int_or_none(xpath_text(durl, './length'), 1000),
-                'formats': formats,
-            })
+        RENDITIONS = ('qn=80&quality=80&type=', 'quality=2&type=mp4')
+        for num, rendition in enumerate(RENDITIONS, start=1):
+            payload = 'appkey=%s&cid=%s&otype=json&%s' % (self._APP_KEY, cid, rendition)
+            sign = hashlib.md5((payload + self._BILIBILI_KEY).encode('utf-8')).hexdigest()
+
+            video_info = self._download_json(
+                'http://interface.bilibili.com/v2/playurl?%s&sign=%s' % (payload, sign),
+                video_id, note='Downloading video info page',
+                headers=headers, fatal=num == len(RENDITIONS))
+
+            if not video_info:
+                continue
+
+            if 'durl' not in video_info:
+                if num < len(RENDITIONS):
+                    continue
+                self._report_error(video_info)
+
+            for idx, durl in enumerate(video_info['durl']):
+                formats = [{
+                    'url': durl['url'],
+                    'filesize': int_or_none(durl['size']),
+                }]
+                for backup_url in durl.get('backup_url', []):
+                    formats.append({
+                        'url': backup_url,
+                        # backup URLs have lower priorities
+                        'preference': -2 if 'hd.mp4' in backup_url else -3,
+                    })
 
+                for a_format in formats:
+                    a_format.setdefault('http_headers', {}).update({
+                        'Referer': url,
+                    })
+
+                self._sort_formats(formats)
+
+                entries.append({
+                    'id': '%s_part%s' % (video_id, idx),
+                    'duration': float_or_none(durl.get('length'), 1000),
+                    'formats': formats,
+                })
+            break
+
+        title = self._html_search_regex(
+            ('<h1[^>]+\btitle=(["\'])(?P<title>(?:(?!\1).)+)\1',
+             '(?s)<h1[^>]*>(?P<title>.+?)</h1>'), webpage, 'title',
+            group='title')
+        description = self._html_search_meta('description', webpage)
+        timestamp = unified_timestamp(self._html_search_regex(
+            r'<time[^>]+datetime="([^"]+)"', webpage, 'upload time',
+            default=None) or self._html_search_meta(
+            'uploadDate', webpage, 'timestamp', default=None))
+        thumbnail = self._html_search_meta(['og:image', 'thumbnailUrl'], webpage)
+
+        # TODO 'view_count' requires deobfuscating Javascript
         info = {
-            'id': compat_str(cid),
+            'id': video_id,
             'title': title,
-            'description': view_data.get('description'),
-            'thumbnail': view_data.get('pic'),
-            'uploader': view_data.get('author'),
-            'timestamp': int_or_none(view_data.get('created')),
-            'view_count': int_or_none(view_data.get('play')),
-            'duration': int_or_none(xpath_text(doc, './timelength')),
+            'description': description,
+            'timestamp': timestamp,
+            'thumbnail': thumbnail,
+            'duration': float_or_none(video_info.get('timelength'), scale=1000),
         }
 
+        uploader_mobj = re.search(
+            r'<a[^>]+href="(?:https?:)?//space\.bilibili\.com/(?P<id>\d+)"[^>]*>(?P<name>[^<]+)',
+            webpage)
+        if uploader_mobj:
+            info.update({
+                'uploader': uploader_mobj.group('name'),
+                'uploader_id': uploader_mobj.group('id'),
+            })
+        if not info.get('uploader'):
+            info['uploader'] = self._html_search_meta(
+                'author', webpage, 'uploader', default=None)
+
+        for entry in entries:
+            entry.update(info)
+
         if len(entries) == 1:
-            entries[0].update(info)
             return entries[0]
         else:
-            info.update({
+            for idx, entry in enumerate(entries):
+                entry['id'] = '%s_part%d' % (video_id, (idx + 1))
+
+            return {
                 '_type': 'multi_video',
                 'id': video_id,
+                'title': title,
+                'description': description,
                 'entries': entries,
-            })
-            return info
+            }
+
+
+class BiliBiliBangumiIE(InfoExtractor):
+    _VALID_URL = r'https?://bangumi\.bilibili\.com/anime/(?P<id>\d+)'
+
+    IE_NAME = 'bangumi.bilibili.com'
+    IE_DESC = 'BiliBili番剧'
+
+    _TESTS = [{
+        'url': 'http://bangumi.bilibili.com/anime/1869',
+        'info_dict': {
+            'id': '1869',
+            'title': '混沌武士',
+            'description': 'md5:6a9622b911565794c11f25f81d6a97d2',
+        },
+        'playlist_count': 26,
+    }, {
+        'url': 'http://bangumi.bilibili.com/anime/1869',
+        'info_dict': {
+            'id': '1869',
+            'title': '混沌武士',
+            'description': 'md5:6a9622b911565794c11f25f81d6a97d2',
+        },
+        'playlist': [{
+            'md5': '91da8621454dd58316851c27c68b0c13',
+            'info_dict': {
+                'id': '40062',
+                'ext': 'mp4',
+                'title': '混沌武士',
+                'description': '故事发生在日本的江户时代。风是一个小酒馆的打工女。一日,酒馆里来了一群恶霸,虽然他们的举动令风十分不满,但是毕竟风只是一届女流,无法对他们采取什么行动,只能在心里嘟哝。这时,酒家里又进来了个“不良份子...',
+                'timestamp': 1414538739,
+                'upload_date': '20141028',
+                'episode': '疾风怒涛 Tempestuous Temperaments',
+                'episode_number': 1,
+            },
+        }],
+        'params': {
+            'playlist_items': '1',
+        },
+    }]
+
+    @classmethod
+    def suitable(cls, url):
+        return False if BiliBiliIE.suitable(url) else super(BiliBiliBangumiIE, cls).suitable(url)
+
+    def _real_extract(self, url):
+        bangumi_id = self._match_id(url)
+
+        # Sometimes this API returns a JSONP response
+        season_info = self._download_json(
+            'http://bangumi.bilibili.com/jsonp/seasoninfo/%s.ver' % bangumi_id,
+            bangumi_id, transform_source=strip_jsonp)['result']
+
+        entries = [{
+            '_type': 'url_transparent',
+            'url': smuggle_url(episode['webplay_url'], {'no_bangumi_tip': 1}),
+            'ie_key': BiliBiliIE.ie_key(),
+            'timestamp': parse_iso8601(episode.get('update_time'), delimiter=' '),
+            'episode': episode.get('index_title'),
+            'episode_number': int_or_none(episode.get('index')),
+        } for episode in season_info['episodes']]
+
+        entries = sorted(entries, key=lambda entry: entry.get('episode_number'))
+
+        return self.playlist_result(
+            entries, bangumi_id,
+            season_info.get('bangumi_title'), season_info.get('evaluate'))
+
+
+class BilibiliAudioBaseIE(InfoExtractor):
+    def _call_api(self, path, sid, query=None):
+        if not query:
+            query = {'sid': sid}
+        return self._download_json(
+            'https://www.bilibili.com/audio/music-service-c/web/' + path,
+            sid, query=query)['data']
+
+
+class BilibiliAudioIE(BilibiliAudioBaseIE):
+    _VALID_URL = r'https?://(?:www\.)?bilibili\.com/audio/au(?P<id>\d+)'
+    _TEST = {
+        'url': 'https://www.bilibili.com/audio/au1003142',
+        'md5': 'fec4987014ec94ef9e666d4d158ad03b',
+        'info_dict': {
+            'id': '1003142',
+            'ext': 'm4a',
+            'title': '【tsukimi】YELLOW / 神山羊',
+            'artist': 'tsukimi',
+            'comment_count': int,
+            'description': 'YELLOW的mp3版!',
+            'duration': 183,
+            'subtitles': {
+                'origin': [{
+                    'ext': 'lrc',
+                }],
+            },
+            'thumbnail': r're:^https?://.+\.jpg',
+            'timestamp': 1564836614,
+            'upload_date': '20190803',
+            'uploader': 'tsukimi-つきみぐー',
+            'view_count': int,
+        },
+    }
+
+    def _real_extract(self, url):
+        au_id = self._match_id(url)
+
+        play_data = self._call_api('url', au_id)
+        formats = [{
+            'url': play_data['cdns'][0],
+            'filesize': int_or_none(play_data.get('size')),
+        }]
+
+        song = self._call_api('song/info', au_id)
+        title = song['title']
+        statistic = song.get('statistic') or {}
+
+        subtitles = None
+        lyric = song.get('lyric')
+        if lyric:
+            subtitles = {
+                'origin': [{
+                    'url': lyric,
+                }]
+            }
+
+        return {
+            'id': au_id,
+            'title': title,
+            'formats': formats,
+            'artist': song.get('author'),
+            'comment_count': int_or_none(statistic.get('comment')),
+            'description': song.get('intro'),
+            'duration': int_or_none(song.get('duration')),
+            'subtitles': subtitles,
+            'thumbnail': song.get('cover'),
+            'timestamp': int_or_none(song.get('passtime')),
+            'uploader': song.get('uname'),
+            'view_count': int_or_none(statistic.get('play')),
+        }
+
+
+class BilibiliAudioAlbumIE(BilibiliAudioBaseIE):
+    _VALID_URL = r'https?://(?:www\.)?bilibili\.com/audio/am(?P<id>\d+)'
+    _TEST = {
+        'url': 'https://www.bilibili.com/audio/am10624',
+        'info_dict': {
+            'id': '10624',
+            'title': '每日新曲推荐(每日11:00更新)',
+            'description': '每天11:00更新,为你推送最新音乐',
+        },
+        'playlist_count': 19,
+    }
+
+    def _real_extract(self, url):
+        am_id = self._match_id(url)
+
+        songs = self._call_api(
+            'song/of-menu', am_id, {'sid': am_id, 'pn': 1, 'ps': 100})['data']
+
+        entries = []
+        for song in songs:
+            sid = str_or_none(song.get('id'))
+            if not sid:
+                continue
+            entries.append(self.url_result(
+                'https://www.bilibili.com/audio/au' + sid,
+                BilibiliAudioIE.ie_key(), sid))
+
+        if entries:
+            album_data = self._call_api('menu/info', am_id) or {}
+            album_title = album_data.get('title')
+            if album_title:
+                for entry in entries:
+                    entry['album'] = album_title
+                return self.playlist_result(
+                    entries, am_id, album_title, album_data.get('intro'))
+
+        return self.playlist_result(entries, am_id)