The following fields are optional:
+ display_id An alternative identifier for the video, not necessarily
+ unique, but available before title. Typically, id is
+ something like "4234987", title "Dancing naked mole rats",
+ and display_id "dancing-naked-mole-rats"
thumbnails: A list of dictionaries (with the entries "resolution" and
"url") for the varying thumbnails
thumbnail: Full URL to a video thumbnail image.
def _download_json(self, url_or_request, video_id,
note=u'Downloading JSON metadata',
- errnote=u'Unable to download JSON metadata'):
+ errnote=u'Unable to download JSON metadata',
+ transform_source=None):
json_string = self._download_webpage(url_or_request, video_id, note, errnote)
+ if transform_source:
+ json_string = transform_source(json_string)
try:
return json.loads(json_string)
except ValueError as ve:
# Helper functions for extracting OpenGraph info
@staticmethod
def _og_regexes(prop):
- content_re = r'content=(?:"([^>]+?)"|\'(.+?)\')'
+ content_re = r'content=(?:"([^>]+?)"|\'([^>]+?)\')'
property_re = r'(?:name|property)=[\'"]og:%s[\'"]' % re.escape(prop)
template = r'<meta[^>]+?%s[^>]+?%s'
return [
if secure: regexes = self._og_regexes('video:secure_url') + regexes
return self._html_search_regex(regexes, html, name, **kargs)
- def _html_search_meta(self, name, html, display_name=None):
+ def _html_search_meta(self, name, html, display_name=None, fatal=False):
if display_name is None:
display_name = name
return self._html_search_regex(
r'''(?ix)<meta
(?=[^>]+(?:itemprop|name|property)=["\']%s["\'])
[^>]+content=["\']([^"\']+)["\']''' % re.escape(name),
- html, display_name, fatal=False)
+ html, display_name, fatal=fatal)
def _dc_search_uploader(self, html):
return self._html_search_meta('dc.creator', html, 'uploader')