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https://github.com/yt-dlp/yt-dlp.git
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132 lines
4.6 KiB
Python
132 lines
4.6 KiB
Python
import hashlib
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import random
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from ..compat import compat_urlparse, compat_b64decode
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from ..utils import (
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ExtractorError,
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int_or_none,
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str_or_none,
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try_get,
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unescapeHTML,
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update_url_query,
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)
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from .common import InfoExtractor
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class HuyaLiveIE(InfoExtractor):
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_VALID_URL = r'https?://(?:www\.|m\.)?huya\.com/(?P<id>[^/#?&]+)(?:\D|$)'
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IE_NAME = 'huya:live'
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IE_DESC = 'huya.com'
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TESTS = [{
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'url': 'https://www.huya.com/572329',
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'info_dict': {
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'id': '572329',
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'title': str,
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'description': str,
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'is_live': True,
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'view_count': int,
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},
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'params': {
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'skip_download': True,
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},
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}, {
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'url': 'https://www.huya.com/xiaoyugame',
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'only_matching': True
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}]
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_RESOLUTION = {
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'蓝光4M': {
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'width': 1920,
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'height': 1080,
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},
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'超清': {
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'width': 1280,
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'height': 720,
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},
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'流畅': {
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'width': 800,
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'height': 480
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}
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}
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def _real_extract(self, url):
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video_id = self._match_id(url)
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webpage = self._download_webpage(url, video_id=video_id)
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stream_data = self._search_json(r'stream:\s', webpage, 'stream', video_id=video_id, default=None)
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room_info = try_get(stream_data, lambda x: x['data'][0]['gameLiveInfo'])
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if not room_info:
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raise ExtractorError('Can not extract the room info', expected=True)
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title = room_info.get('roomName') or room_info.get('introduction') or self._html_extract_title(webpage)
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screen_type = room_info.get('screenType')
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live_source_type = room_info.get('liveSourceType')
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stream_info_list = stream_data['data'][0]['gameStreamInfoList']
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if not stream_info_list:
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raise ExtractorError('Video is offline', expected=True)
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formats = []
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for stream_info in stream_info_list:
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stream_url = stream_info.get('sFlvUrl')
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if not stream_url:
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continue
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stream_name = stream_info.get('sStreamName')
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re_secret = not screen_type and live_source_type in (0, 8, 13)
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params = dict(compat_urlparse.parse_qsl(unescapeHTML(stream_info['sFlvAntiCode'])))
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fm, ss = '', ''
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if re_secret:
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fm, ss = self.encrypt(params, stream_info, stream_name)
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for si in stream_data.get('vMultiStreamInfo'):
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rate = si.get('iBitRate')
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if rate:
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params['ratio'] = rate
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else:
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params.pop('ratio', None)
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if re_secret:
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params['wsSecret'] = hashlib.md5(
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'_'.join([fm, params['u'], stream_name, ss, params['wsTime']]))
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formats.append({
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'ext': stream_info.get('sFlvUrlSuffix'),
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'format_id': str_or_none(stream_info.get('iLineIndex')),
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'tbr': rate,
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'url': update_url_query(f'{stream_url}/{stream_name}.{stream_info.get("sFlvUrlSuffix")}',
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query=params),
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**self._RESOLUTION.get(si.get('sDisplayName'), {}),
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})
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self._sort_formats(formats)
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return {
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'id': video_id,
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'title': title,
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'formats': formats,
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'view_count': room_info.get('totalCount'),
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'thumbnail': room_info.get('screenshot'),
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'description': room_info.get('contentIntro'),
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'http_headers': {
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'Origin': 'https://www.huya.com',
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'Referer': 'https://www.huya.com/',
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},
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}
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def encrypt(self, params, stream_info, stream_name):
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ct = int_or_none(params.get('wsTime'), 16) + random.random()
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presenter_uid = stream_info['lPresenterUid']
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if not stream_name.startswith(str(presenter_uid)):
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uid = presenter_uid
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else:
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uid = int_or_none(ct % 1e7 * 1e6 % 0xffffffff)
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u1 = uid & 0xffffffff00000000
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u2 = uid & 0xffffffff
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u3 = uid & 0xffffff
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u = u1 | u2 >> 24 | u3 << 8
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params.update({
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'u': str_or_none(u),
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'seqid': str_or_none(int_or_none(ct * 1000) + uid),
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'ver': '1',
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'uuid': int_or_none(ct % 1e7 * 1e6 % 0xffffffff),
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't': '100',
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})
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fm = compat_b64decode(params['fm']).decode().split('_', 1)[0]
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ss = hashlib.md5('|'.join([params['seqid'], params['ctype'], params['t']]))
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return fm, ss
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