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[douyutv] Simplify
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@ -4,9 +4,16 @@
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import hashlib
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import time
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import uuid
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from .common import InfoExtractor
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from ..utils import (ExtractorError, unescapeHTML)
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from ..compat import (compat_str, compat_basestring, compat_urllib_parse_urlencode)
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from ..compat import (
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compat_str,
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compat_urllib_parse_urlencode,
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)
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from ..utils import (
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ExtractorError,
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unescapeHTML,
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)
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class DouyuTVIE(InfoExtractor):
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@ -63,6 +70,10 @@ class DouyuTVIE(InfoExtractor):
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'only_matching': True,
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}]
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# Decompile core.swf in webpage by ffdec "Search SWFs in memory". core.swf
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# is encrypted originally, but ffdec can dump memory to get the decrypted one.
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_API_KEY = 'A12Svb&%1UUmf@hC'
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def _real_extract(self, url):
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video_id = self._match_id(url)
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@ -73,60 +84,41 @@ def _real_extract(self, url):
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room_id = self._html_search_regex(
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r'"room_id"\s*:\s*(\d+),', page, 'room id')
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room_url = 'http://m.douyu.com/html5/live?roomId=%s' % room_id
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room_content = self._download_webpage(room_url, video_id)
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room_json = self._parse_json(room_content, video_id, fatal=False)
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room = self._download_json(
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'http://m.douyu.com/html5/live?roomId=%s' % room_id, video_id,
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note='Downloading room info')['data']
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room = room_json['data']
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show_status = room.get('show_status')
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# 1 = live, 2 = offline
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if show_status == '2':
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raise ExtractorError(
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'Live stream is offline', expected=True)
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if room.get('show_status') == '2':
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raise ExtractorError('Live stream is offline', expected=True)
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flv_json = None
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# Douyu API sometimes returns error "Unable to load the requested class: eticket_redis_cache"
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# Retry with different parameters - same parameters cause same errors
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for i in range(5):
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tt = int(time.time() / 60)
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did = uuid.uuid4().hex.upper()
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tt = compat_str(int(time.time() / 60))
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did = uuid.uuid4().hex.upper()
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# Decompile core.swf in webpage by ffdec "Search SWFs in memory"
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# core.swf is encrypted originally, but ffdec can dump memory to get the decrypted one
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# If API changes in the future, just use this way to update
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sign_content = '{room_id}{did}A12Svb&%1UUmf@hC{tt}'.format(room_id = room_id, did = did, tt = tt)
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sign = hashlib.md5((sign_content).encode('utf-8')).hexdigest()
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sign_content = ''.join((room_id, did, self._API_KEY, tt))
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sign = hashlib.md5((sign_content).encode('utf-8')).hexdigest()
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payload = {'cdn': 'ws', 'rate': '0', 'tt': tt, 'did': did, 'sign': sign}
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flv_data = compat_urllib_parse_urlencode(payload)
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flv_data = compat_urllib_parse_urlencode({
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'cdn': 'ws',
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'rate': '0',
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'tt': tt,
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'did': did,
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'sign': sign,
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})
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flv_request_url = 'http://www.douyu.com/lapi/live/getPlay/%s' % room_id
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flv_content = self._download_webpage(flv_request_url, video_id, data=flv_data,
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headers={'Content-Type': 'application/x-www-form-urlencoded'})
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try:
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flv_json = self._parse_json(flv_content, video_id, fatal=False)
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except ExtractorError:
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# Wait some time before retrying to get a different time() value
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self._sleep(1, video_id, msg_template='%(video_id)s: Error occurs. '
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'Waiting for %(timeout)s seconds before retrying')
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continue
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else:
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break
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if flv_json is None:
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raise ExtractorError('Unable to fetch API result')
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video_info = self._download_json(
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'http://www.douyu.com/lapi/live/getPlay/%s' % room_id, video_id,
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data=flv_data, note='Downloading video info',
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headers={'Content-Type': 'application/x-www-form-urlencoded'})
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flv = flv_json['data']
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error_code = flv_json.get('error', 0)
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error_code = video_info.get('error', 0)
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if error_code is not 0:
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error_desc = 'Server reported error %i' % error_code
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if isinstance(flv, (compat_str, compat_basestring)):
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error_desc += ': ' + flv
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raise ExtractorError(error_desc, expected=True)
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raise ExtractorError(
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'%s reported error %i' % (self.IE_NAME, error_code),
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expected=True)
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base_url = flv['rtmp_url']
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live_path = flv['rtmp_live']
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base_url = video_info['data']['rtmp_url']
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live_path = video_info['data']['rtmp_live']
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video_url = '%s/%s' % (base_url, live_path)
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