diff options
| -rw-r--r-- | youtube_dl/extractor/common.py | 2 | ||||
| -rw-r--r-- | youtube_dl/utils.py | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py index 611cf95f1..450c7dfd6 100644 --- a/youtube_dl/extractor/common.py +++ b/youtube_dl/extractor/common.py @@ -138,6 +138,8 @@ class InfoExtractor(object): Unless mentioned otherwise, the fields should be Unicode strings. + Unless mentioned otherwise, None is equivalent to absence of information. + Subclasses of this one should re-define the _real_initialize() and _real_extract() methods and define a _VALID_URL regexp. Probably, they should also be added to the list of extractors. diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index 2615553c1..2c9081733 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -1576,9 +1576,9 @@ US_RATINGS = { def parse_age_limit(s): if s is None: - return 0 + return None m = re.match(r'^(?P<age>\d{1,2})\+?$', s) - return int(m.group('age')) if m else US_RATINGS.get(s, 0) + return int(m.group('age')) if m else US_RATINGS.get(s, None) def strip_jsonp(code): |