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YoutubeIE: extract the thumbnail in the best possible quality
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@ -473,7 +473,12 @@ class YoutubeIE(InfoExtractor):
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video_title = compat_urllib_parse.unquote_plus(video_info['title'][0])
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# thumbnail image
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if 'thumbnail_url' not in video_info:
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# We try first to get a high quality image:
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m_thumb = re.search(r'<span itemprop="thumbnail".*?href="(.*?)">',
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video_webpage, re.DOTALL)
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if m_thumb is not None:
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video_thumbnail = m_thumb.group(1)
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elif 'thumbnail_url' not in video_info:
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self._downloader.report_warning(u'unable to extract video thumbnail')
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video_thumbnail = ''
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else: # don't panic if we can't find it
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