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https://github.com/yt-dlp/yt-dlp
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[bilibili] Fix extraction, improve and cleanup
This commit is contained in:
Yen Chi Hsuan
parent
807cf7b07f
commit
6461f2b7ec
1 changed files with 86 additions and 43 deletions
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@ -1,34 +1,42 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import calendar
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import datetime
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import re
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from .common import InfoExtractor
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from ..compat import compat_str
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from ..compat import (
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compat_etree_fromstring,
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compat_str,
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compat_parse_qs,
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compat_xml_parse_error,
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)
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from ..utils import (
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int_or_none,
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unescapeHTML,
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ExtractorError,
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int_or_none,
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float_or_none,
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xpath_text,
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)
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class BiliBiliIE(InfoExtractor):
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_VALID_URL = r'https?://www\.bilibili\.(?:tv|com)/video/av(?P<id>\d+)(?:/index_(?P<page_num>\d+).html)?'
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_VALID_URL = r'https?://www\.bilibili\.(?:tv|com)/video/av(?P<id>\d+)'
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_TESTS = [{
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'url': 'http://www.bilibili.tv/video/av1074402/',
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'md5': '2c301e4dab317596e837c3e7633e7d86',
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'md5': '5f7d29e1a2872f3df0cf76b1f87d3788',
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'info_dict': {
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'id': '1554319',
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'ext': 'flv',
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'title': '【金坷垃】金泡沫',
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'duration': 308313,
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'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923',
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'duration': 308.067,
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'timestamp': 1398012660,
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'upload_date': '20140420',
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'thumbnail': 're:^https?://.+\.jpg',
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'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923',
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'timestamp': 1397983878,
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'uploader': '菊子桑',
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'uploader_id': '156160',
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},
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}, {
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'url': 'http://www.bilibili.com/video/av1041170/',
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@ -36,75 +44,110 @@ class BiliBiliIE(InfoExtractor):
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'id': '1041170',
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'title': '【BD1080P】刀语【诸神&异域】',
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'description': '这是个神奇的故事~每个人不留弹幕不给走哦~切利哦！~',
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'uploader': '枫叶逝去',
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'timestamp': 1396501299,
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},
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'playlist_count': 9,
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}]
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# BiliBili blocks keys from time to time. The current key is extracted from
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# the Android client
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# TODO: find the sign algorithm used in the flash player
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_APP_KEY = '86385cdc024c0f6c'
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('id')
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page_num = mobj.group('page_num') or '1'
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view_data = self._download_json(
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'http://api.bilibili.com/view?type=json&appkey=8e9fc618fbd41e28&id=%s&page=%s' % (video_id, page_num),
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video_id)
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if 'error' in view_data:
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raise ExtractorError('%s said: %s' % (self.IE_NAME, view_data['error']), expected=True)
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webpage = self._download_webpage(url, video_id)
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cid = view_data['cid']
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title = unescapeHTML(view_data['title'])
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params = compat_parse_qs(self._search_regex(
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[r'EmbedPlayer\([^)]+,\s*"([^"]+)"\)',
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r'<iframe[^>]+src="https://secure\.bilibili\.com/secure,([^"]+)"'],
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webpage, 'player parameters'))
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cid = params['cid'][0]
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doc = self._download_xml(
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'http://interface.bilibili.com/v_cdn_play?appkey=8e9fc618fbd41e28&cid=%s' % cid,
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cid,
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'Downloading page %s/%s' % (page_num, view_data['pages'])
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)
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info_xml_str = self._download_webpage(
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'http://interface.bilibili.com/v_cdn_play',
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cid, query={'appkey': self._APP_KEY, 'cid': cid},
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note='Downloading video info page')
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if xpath_text(doc, './result') == 'error':
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raise ExtractorError('%s said: %s' % (self.IE_NAME, xpath_text(doc, './message')), expected=True)
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err_msg = None
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durls = None
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info_xml = None
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try:
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info_xml = compat_etree_fromstring(info_xml_str.encode('utf-8'))
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except compat_xml_parse_error:
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info_json = self._parse_json(info_xml_str, video_id, fatal=False)
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err_msg = (info_json or {}).get('error_text')
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else:
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err_msg = xpath_text(info_xml, './message')
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if info_xml is not None:
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durls = info_xml.findall('./durl')
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if not durls:
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if err_msg:
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raise ExtractorError('%s said: %s' % (self.IE_NAME, err_msg), expected=True)
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else:
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raise ExtractorError('No videos found!')
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entries = []
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for durl in doc.findall('./durl'):
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for durl in durls:
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size = xpath_text(durl, ['./filesize', './size'])
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formats = [{
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'url': durl.find('./url').text,
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'filesize': int_or_none(size),
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'ext': 'flv',
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}]
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backup_urls = durl.find('./backup_url')
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if backup_urls is not None:
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for backup_url in backup_urls.findall('./url'):
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formats.append({'url': backup_url.text})
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formats.reverse()
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for backup_url in durl.findall('./backup_url/url'):
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formats.append({
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'url': backup_url.text,
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# backup URLs have lower priorities
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'preference': -2 if 'hd.mp4' in backup_url.text else -3,
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})
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self._sort_formats(formats)
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entries.append({
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'id': '%s_part%s' % (cid, xpath_text(durl, './order')),
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'title': title,
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'duration': int_or_none(xpath_text(durl, './length'), 1000),
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'formats': formats,
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})
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title = self._html_search_regex('<h1[^>]+title="([^"]+)">', webpage, 'title')
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description = self._html_search_meta('description', webpage)
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datetime_str = self._html_search_regex(
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r'<time[^>]+datetime="([^"]+)"', webpage, 'upload time', fatal=False)
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if datetime_str:
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timestamp = calendar.timegm(datetime.datetime.strptime(datetime_str, '%Y-%m-%dT%H:%M').timetuple())
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# TODO 'view_count' requires deobfuscating Javascript
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info = {
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'id': compat_str(cid),
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'title': title,
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'description': view_data.get('description'),
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'thumbnail': view_data.get('pic'),
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'uploader': view_data.get('author'),
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'timestamp': int_or_none(view_data.get('created')),
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'view_count': int_or_none(view_data.get('play')),
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'duration': int_or_none(xpath_text(doc, './timelength')),
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'description': description,
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'timestamp': timestamp,
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'thumbnail': self._html_search_meta('thumbnailUrl', webpage),
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'duration': float_or_none(xpath_text(info_xml, './timelength'), scale=1000),
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}
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uploader_mobj = re.search(
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r'<a[^>]+href="https?://space\.bilibili\.com/(?P<id>\d+)"[^>]+title="(?P<name>[^"]+)"',
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webpage)
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if uploader_mobj:
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info.update({
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'uploader': uploader_mobj.group('name'),
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'uploader_id': uploader_mobj.group('id'),
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})
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for entry in entries:
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entry.update(info)
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if len(entries) == 1:
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entries[0].update(info)
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return entries[0]
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else:
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info.update({
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return {
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'_type': 'multi_video',
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'id': video_id,
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'title': title,
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'description': description,
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'entries': entries,
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})
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return info
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}
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