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Diffstat (limited to 'youtube_dl/extractor/common.py')
-rw-r--r-- | youtube_dl/extractor/common.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py index 6fa60622e..f498bcf6f 100644 --- a/youtube_dl/extractor/common.py +++ b/youtube_dl/extractor/common.py @@ -51,7 +51,8 @@ class InfoExtractor(object): Calculated from the format_id, width, height. and format_note fields if missing. * format_id A short description of the format - ("mp4_h264_opus" or "19") + ("mp4_h264_opus" or "19"). + Technically optional, but strongly recommended. * format_note Additional info about the format ("3D" or "DASH video") * width Width of the video, if known @@ -68,7 +69,8 @@ class InfoExtractor(object): download, lower-case. "http", "https", "rtsp", "rtmp" or so. * preference Order number of this format. If this field is - present, the formats get sorted by this field. + present and not None, the formats get sorted + by this field. -1 for default (order by other properties), -2 or smaller for less than default. url: Final video URL. @@ -376,7 +378,7 @@ class InfoExtractor(object): @staticmethod def _og_regexes(prop): content_re = r'content=(?:"([^>]+?)"|\'(.+?)\')' - property_re = r'property=[\'"]og:%s[\'"]' % re.escape(prop) + property_re = r'(?:name|property)=[\'"]og:%s[\'"]' % re.escape(prop) template = r'<meta[^>]+?%s[^>]+?%s' return [ template % (property_re, content_re), |