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Fix AssertionError when og property not found 

On tvp.pl some webpages contain OpenGraph
metadata and some don't.

If og property is not found, _og_search_description
fails with

WARNING: unable to extract OpenGraph description; please report this issue on http://yt-dl.org/bug
Traceback (most recent call last):
  File "/usr/home/saper/bin/youtube-dl", line 18, in <module>
    youtube_dl.main()
  File "/usr/home/saper/sw/youtube-dl/youtube_dl/__init__.py", line 766, in main
    _real_main(argv)
  File "/usr/home/saper/sw/youtube-dl/youtube_dl/__init__.py", line 719, in _real_main
    retcode = ydl.download(all_urls)
  File "/usr/home/saper/sw/youtube-dl/youtube_dl/YoutubeDL.py", line 715, in download
    videos = self.extract_info(url)
  File "/usr/home/saper/sw/youtube-dl/youtube_dl/YoutubeDL.py", line 348, in extract_info
    ie_result = ie.extract(url)
  File "/usr/home/saper/sw/youtube-dl/youtube_dl/extractor/common.py", line 125, in extract
    return self._real_extract(url)
  File "/usr/home/saper/sw/youtube-dl/youtube_dl/extractor/tvp.py", line 56, in _real_extract
    info['description'] = self._og_search_description(webpage)
  File "/usr/home/saper/sw/youtube-dl/youtube_dl/extractor/common.py", line 331, in _og_search_description
    return self._og_search_property('description', html, fatal=False, **kargs)
  File "/usr/home/saper/sw/youtube-dl/youtube_dl/extractor/common.py", line 325, in _og_search_property
    return unescapeHTML(escaped)
  File "/usr/home/saper/sw/youtube-dl/youtube_dl/utils.py", line 494, in unescapeHTML
    assert type(s) == type(u'')
AssertionError

The patch allows me to use:

  try:
    info['description'] = self._og_search_description(webpage)
    info['thumbnail'] = self._og_search_thumbnail(webpage)
  except RegexNotFoundError:
    pass
This commit is contained in:
Marcin Cieślak 2013-11-05 23:19:29 +01:00
parent 7f34001d57
commit a8eeb0597b
1 changed files with 3 additions and 1 deletions
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4
youtube_dl/extractor/common.py
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@ -322,7 +322,9 @@ class InfoExtractor(object):
if name is None:
name = 'OpenGraph %s' % prop
escaped = self._search_regex(self._og_regex(prop), html, name, flags=re.DOTALL, **kargs)
return unescapeHTML(escaped)
if not escaped is None:
return unescapeHTML(escaped)
return None
def _og_search_thumbnail(self, html, **kargs):
return self._og_search_property('image', html, u'thumbnail url', fatal=False, **kargs)