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[ie/generic] Validate response before checking m3u8 live status (#12784)

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Closes #12744
Authored by: bashonly
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bashonly 2025-03-30 18:02:59 -05:00 committed by GitHub
parent 2956035912
commit 9a1ec1d36e
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1 changed files with 15 additions and 4 deletions
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19
yt_dlp/extractor/generic.py
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@ -2214,10 +2214,21 @@ class GenericIE(InfoExtractor):
if is_live is not None:
info['live_status'] = 'not_live' if is_live == 'false' else 'is_live'
return
headers = m3u8_format.get('http_headers') or info.get('http_headers')
duration = self._extract_m3u8_vod_duration(
m3u8_format['url'], info.get('id'), note='Checking m3u8 live status',
errnote='Failed to download m3u8 media playlist', headers=headers)
headers = m3u8_format.get('http_headers') or info.get('http_headers') or {}
display_id = info.get('id')
urlh = self._request_webpage(
m3u8_format['url'], display_id, 'Checking m3u8 live status', errnote=False,
headers={**headers, 'Accept-Encoding': 'identity'}, fatal=False)
if urlh is False:
return
first_bytes = urlh.read(512)
if not first_bytes.startswith(b'#EXTM3U'):
return
m3u8_doc = self._webpage_read_content(
urlh, urlh.url, display_id, prefix=first_bytes, fatal=False, errnote=False)
if not m3u8_doc:
return
duration = self._parse_m3u8_vod_duration(m3u8_doc, display_id)
if not duration:
info['live_status'] = 'is_live'
info['duration'] = info.get('duration') or duration