[bilibili] Fix extraction, improve and cleanup
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					 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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