Fix "invalid escape sequences" error on Python 3.6
[youtube-dl] / youtube_dl / extractor / bilibili.py
index 8f23a30ab00c7e78635a68a41326b8defb0cec58..5051934efbb45a2b1c98b4cd98f71781761b0f00 100644 (file)
 # coding: utf-8
 from __future__ import unicode_literals
 
-import json
-import xml.etree.ElementTree as ET
+import hashlib
+import re
 
 from .common import InfoExtractor
+from ..compat import compat_parse_qs
 from ..utils import (
     int_or_none,
-    ExtractorError,
+    float_or_none,
+    unified_timestamp,
+    urlencode_postdata,
 )
 
 
 class BiliBiliIE(InfoExtractor):
-    _VALID_URL = r'http://www\.bilibili\.(?:tv|com)/video/av(?P<id>[0-9]+)/'
+    _VALID_URL = r'https?://(?:www\.|bangumi\.|)bilibili\.(?:tv|com)/(?:video/av|anime/v/)(?P<id>\d+)'
 
-    _TESTS = [{
+    _TEST = {
         'url': 'http://www.bilibili.tv/video/av1074402/',
-        'md5': '2c301e4dab317596e837c3e7633e7d86',
+        'md5': '9fa226fe2b8a9a4d5a69b4c6a183417e',
         'info_dict': {
-            'id': '1554319',
-            'ext': 'flv',
+            'id': '1074402',
+            'ext': 'mp4',
             'title': '【金坷垃】金泡沫',
-            'duration': 308313,
-            'upload_date': '20140420',
-            'thumbnail': 're:^https?://.+\.jpg',
             'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923',
-            'timestamp': 1397983878,
+            'duration': 308.315,
+            'timestamp': 1398012660,
+            'upload_date': '20140420',
+            'thumbnail': r're:^https?://.+\.jpg',
             'uploader': '菊子桑',
+            'uploader_id': '156160',
         },
-    }, {
-        'url': 'http://www.bilibili.com/video/av1041170/',
-        'info_dict': {
-            'id': '1041170',
-            'title': '【BD1080P】刀语【诸神&异域】',
-        },
-        'playlist_count': 12,
-    }]
-
-    def _extract_video_info(self, cid, view_data, page_num=1, num_pages=1):
-        title = view_data['title']
-
-        page = self._download_webpage(
-            'http://interface.bilibili.com/v_cdn_play?appkey=8e9fc618fbd41e28&cid=%s' % cid,
-            cid,
-            'Downloading page %d/%d' % (page_num, num_pages)
-        )
-        try:
-            err_info = json.loads(page)
-            raise ExtractorError(
-                'BiliBili said: ' + err_info['error_text'], expected=True)
-        except ValueError:
-            pass
-
-        doc = ET.fromstring(page)
-        durls = doc.findall('./durl')
+    }
+
+    _APP_KEY = '6f90a59ac58a4123'
+    _BILIBILI_KEY = '0bfd84cc3940035173f35e6777508326'
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+
+        if 'anime/v' not in url:
+            cid = compat_parse_qs(self._search_regex(
+                [r'EmbedPlayer\([^)]+,\s*"([^"]+)"\)',
+                 r'<iframe[^>]+src="https://secure\.bilibili\.com/secure,([^"]+)"'],
+                webpage, 'player parameters'))['cid'][0]
+        else:
+            js = self._download_json(
+                'http://bangumi.bilibili.com/web_api/get_source', video_id,
+                data=urlencode_postdata({'episode_id': video_id}),
+                headers={'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'})
+            cid = js['result']['cid']
+
+        payload = 'appkey=%s&cid=%s&otype=json&quality=2&type=mp4' % (self._APP_KEY, cid)
+        sign = hashlib.md5((payload + self._BILIBILI_KEY).encode('utf-8')).hexdigest()
+
+        video_info = self._download_json(
+            'http://interface.bilibili.com/playurl?%s&sign=%s' % (payload, sign),
+            video_id, note='Downloading video info page')
 
         entries = []
 
-        for durl in durls:
+        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,
+                })
+
+            self._sort_formats(formats)
+
             entries.append({
-                'id': '%s_part%s' % (cid, durl.find('./order').text),
-                'title': title,
-                'url': durl.find('./url').text,
-                'filesize': int_or_none(durl.find('./filesize').text),
-                'ext': 'flv',
-                'duration': int_or_none(durl.find('./length').text) // 1000,
+                'id': '%s_part%s' % (video_id, idx),
+                'duration': float_or_none(durl.get('length'), 1000),
+                'formats': formats,
             })
 
+        title = self._html_search_regex('<h1[^>]+title="([^"]+)">', webpage, 'title')
+        description = self._html_search_meta('description', webpage)
+        timestamp = unified_timestamp(self._html_search_regex(
+            r'<time[^>]+datetime="([^"]+)"', webpage, 'upload time', fatal=False))
+        thumbnail = self._html_search_meta(['og:image', 'thumbnailUrl'], webpage)
+
+        # TODO 'view_count' requires deobfuscating Javascript
         info = {
-            'id': 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': view_data.get('play'),
-            'duration': int_or_none(doc.find('./timelength').text),
+            '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+)"[^>]+title="(?P<name>[^"]+)"',
+            webpage)
+        if uploader_mobj:
+            info.update({
+                'uploader': uploader_mobj.group('name'),
+                'uploader_id': uploader_mobj.group('id'),
+            })
+
+        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
-
-    def _real_extract(self, url):
-        video_id = self._match_id(url)
-        view_data = self._download_json('http://api.bilibili.com/view?type=json&appkey=8e9fc618fbd41e28&id=%s' % video_id, video_id)
-
-        num_pages = int_or_none(view_data['pages'])
-        if num_pages > 1:
-            play_list_title = view_data['title']
-            page_list = self._download_json('http://www.bilibili.com/widget/getPageList?aid=%s' % video_id, video_id, 'Downloading page list metadata')
-            entries = []
-            for page in page_list:
-                view_data['title'] = page['pagename']
-                entries.append(self._extract_video_info(str(page['cid']), view_data, page['page'], num_pages))
-            return self.playlist_result(entries, video_id, play_list_title, view_data.get('description'))
-        else:
-            return self._extract_video_info(str(view_data['cid']), view_data)
+            }