From 8f3034d871388a6b19967862968ee3b217ac3b22 Mon Sep 17 00:00:00 2001 From: Philipp Hagemeister Date: Fri, 25 Jul 2014 11:53:52 +0200 Subject: [PATCH] [livestream] Do not fail if SMIL download fails --- youtube_dl/extractor/livestream.py | 79 +++++++++++++++++------------- 1 file changed, 44 insertions(+), 35 deletions(-) diff --git a/youtube_dl/extractor/livestream.py b/youtube_dl/extractor/livestream.py index 2914343b9..c0c2d9b09 100644 --- a/youtube_dl/extractor/livestream.py +++ b/youtube_dl/extractor/livestream.py @@ -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 {