From 146c80e2562dab0f229f13a1fbc0e8ae116d4cb3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Fri, 3 Oct 2014 19:37:25 +0700
Subject: [PATCH] [utils] Add parse_age_limit

---
 youtube_dl/utils.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index f8dd9c72d..2615553c1 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1574,6 +1574,13 @@ US_RATINGS = {
 }
 
 
+def parse_age_limit(s):
+    if s is None:
+        return 0
+    m = re.match(r'^(?P<age>\d{1,2})\+?$', s)
+    return int(m.group('age')) if m else US_RATINGS.get(s, 0)
+
+
 def strip_jsonp(code):
     return re.sub(r'(?s)^[a-zA-Z0-9_]+\s*\(\s*(.*)\);?\s*?\s*$', r'\1', code)