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youtube-dl
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[bilibili] Fix extraction, improve and cleanup

master
Yen Chi Hsuan 8 years ago
parent
807cf7b07f
commit
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1 changed files with 86 additions and 43 deletions
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  1. 129
      youtube_dl/extractor/bilibili.py

129
youtube_dl/extractor/bilibili.py
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@ -1,34 +1,42 @@
# coding: utf-8
from __future__ import unicode_literals
import calendar
import datetime
import re
from .common import InfoExtractor
from ..compat import compat_str
from ..compat import (
compat_etree_fromstring,
compat_str,
compat_parse_qs,
compat_xml_parse_error,
)
from ..utils import (
int_or_none,
unescapeHTML,
ExtractorError,
int_or_none,
float_or_none,
xpath_text,
)
class BiliBiliIE(InfoExtractor):
_VALID_URL = r'https?://www\.bilibili\.(?:tv|com)/video/av(?P<id>\d+)(?:/index_(?P<page_num>\d+).html)?'
_VALID_URL = r'https?://www\.bilibili\.(?:tv|com)/video/av(?P<id>\d+)'
_TESTS = [{
'url': 'http://www.bilibili.tv/video/av1074402/',
'md5': '2c301e4dab317596e837c3e7633e7d86',
'md5': '5f7d29e1a2872f3df0cf76b1f87d3788',
'info_dict': {
'id': '1554319',
'ext': 'flv',
'title': '【金坷垃】金泡沫',
'duration': 308313,
'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923',
'duration': 308.067,
'timestamp': 1398012660,
'upload_date': '20140420',
'thumbnail': 're:^https?://.+\.jpg',
'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923',
'timestamp': 1397983878,
'uploader': '菊子桑',
'uploader_id': '156160',
},
}, {
'url': 'http://www.bilibili.com/video/av1041170/',
@ -36,75 +44,110 @@ class BiliBiliIE(InfoExtractor):
'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,
},
'playlist_count': 9,
}]
# BiliBili blocks keys from time to time. The current key is extracted from
# the Android client
# TODO: find the sign algorithm used in the flash player
_APP_KEY = '86385cdc024c0f6c'
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'
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)
webpage = self._download_webpage(url, video_id)
params = compat_parse_qs(self._search_regex(
[r'EmbedPlayer\([^)]+,\s*"([^"]+)"\)',
r'<iframe[^>]+src="https://secure\.bilibili\.com/secure,([^"]+)"'],
webpage, 'player parameters'))
cid = params['cid'][0]
cid = view_data['cid']
title = unescapeHTML(view_data['title'])
info_xml_str = self._download_webpage(
'http://interface.bilibili.com/v_cdn_play',
cid, query={'appkey': self._APP_KEY, 'cid': cid},
note='Downloading video info page')
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'])
)
err_msg = None
durls = None
info_xml = None
try:
info_xml = compat_etree_fromstring(info_xml_str.encode('utf-8'))
except compat_xml_parse_error:
info_json = self._parse_json(info_xml_str, video_id, fatal=False)
err_msg = (info_json or {}).get('error_text')
else:
err_msg = xpath_text(info_xml, './message')
if xpath_text(doc, './result') == 'error':
raise ExtractorError('%s said: %s' % (self.IE_NAME, xpath_text(doc, './message')), expected=True)
if info_xml is not None:
durls = info_xml.findall('./durl')
if not durls:
if err_msg:
raise ExtractorError('%s said: %s' % (self.IE_NAME, err_msg), expected=True)
else:
raise ExtractorError('No videos found!')
entries = []
for durl in doc.findall('./durl'):
for durl in durls:
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()
for backup_url in durl.findall('./backup_url/url'):
formats.append({
'url': backup_url.text,
# backup URLs have lower priorities
'preference': -2 if 'hd.mp4' in backup_url.text else -3,
})
self._sort_formats(formats)
entries.append({
'id': '%s_part%s' % (cid, xpath_text(durl, './order')),
'title': title,
'duration': int_or_none(xpath_text(durl, './length'), 1000),
'formats': formats,
})
title = self._html_search_regex('<h1[^>]+title="([^"]+)">', webpage, 'title')
description = self._html_search_meta('description', webpage)
datetime_str = self._html_search_regex(
r'<time[^>]+datetime="([^"]+)"', webpage, 'upload time', fatal=False)
if datetime_str:
timestamp = calendar.timegm(datetime.datetime.strptime(datetime_str, '%Y-%m-%dT%H:%M').timetuple())
# TODO 'view_count' requires deobfuscating Javascript
info = {
'id': compat_str(cid),
'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': self._html_search_meta('thumbnailUrl', webpage),
'duration': float_or_none(xpath_text(info_xml, './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({
return {
'_type': 'multi_video',
'id': video_id,
'title': title,
'description': description,
'entries': entries,
})
return info
}
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