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[livestream] Do not fail if SMIL download fails

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This commit is contained in:
Philipp Hagemeister 2014-07-25 11:53:52 +02:00
parent 7fa547ab02
commit 8f3034d871
1 changed files with 44 additions and 35 deletions
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79
youtube_dl/extractor/livestream.py
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@ -33,6 +33,49 @@ class LivestreamIE(InfoExtractor):
}
}
def _parse_smil(self, video_id, smil_url):
formats = []
_SWITCH_XPATH = (
'.//{http://www.w3.org/2001/SMIL20/Language}body/'
'{http://www.w3.org/2001/SMIL20/Language}switch')
smil_doc = self._download_xml(
smil_url, video_id,
note='Downloading SMIL information',
errnote='Unable to download SMIL information',
fatal=False)
if smil_doc is False: # Download failed
return formats
title_node = find_xpath_attr(
smil_doc, './/{http://www.w3.org/2001/SMIL20/Language}meta',
'name', 'title')
if title_node is None:
self.report_warning('Cannot find SMIL id')
switch_node = smil_doc.find(_SWITCH_XPATH)
else:
title_id = title_node.attrib['content']
switch_node = find_xpath_attr(
smil_doc, _SWITCH_XPATH, 'id', title_id)
if switch_node is None:
raise ExtractorError('Cannot find switch node')
video_nodes = switch_node.findall(
'{http://www.w3.org/2001/SMIL20/Language}video')
for vn in video_nodes:
tbr = int_or_none(vn.attrib.get('system-bitrate'))
furl = (
'http://livestream-f.akamaihd.net/%s?v=3.0.3&fp=WIN%%2014,0,0,145' %
(vn.attrib['src']))
if 'clipBegin' in vn.attrib:
furl += '&ssek=' + vn.attrib['clipBegin']
formats.append({
'url': furl,
'format_id': 'smil_%d' % tbr,
'ext': 'flv',
'tbr': tbr,
'preference': -1000,
})
return formats
def _extract_video_info(self, video_data):
video_id = compat_str(video_data['id'])
@ -49,41 +92,7 @@ class LivestreamIE(InfoExtractor):
smil_url = video_data.get('smil_url')
if smil_url:
_SWITCH_XPATH = (
'.//{http://www.w3.org/2001/SMIL20/Language}body/'
'{http://www.w3.org/2001/SMIL20/Language}switch')
smil_doc = self._download_xml(
smil_url, video_id, note='Downloading SMIL information')
title_node = find_xpath_attr(
smil_doc, './/{http://www.w3.org/2001/SMIL20/Language}meta',
'name', 'title')
if title_node is None:
self.report_warning('Cannot find SMIL id')
switch_node = smil_doc.find(_SWITCH_XPATH)
else:
title_id = title_node.attrib['content']
switch_node = find_xpath_attr(
smil_doc, _SWITCH_XPATH, 'id', title_id)
if switch_node is None:
raise ExtractorError('Cannot find switch node')
video_nodes = switch_node.findall(
'{http://www.w3.org/2001/SMIL20/Language}video')
for vn in video_nodes:
tbr = int_or_none(vn.attrib.get('system-bitrate'))
furl = (
'http://livestream-f.akamaihd.net/%s?v=3.0.3&fp=WIN%%2014,0,0,145' %
(vn.attrib['src']))
if 'clipBegin' in vn.attrib:
furl += '&ssek=' + vn.attrib['clipBegin']
formats.append({
'url': furl,
'format_id': 'smil_%d' % tbr,
'ext': 'flv',
'tbr': tbr,
'preference': -1000,
})
formats.extend(self._parse_smil(video_id, smil_url))
self._sort_formats(formats)
return {