From 69319969de40f62ccf1c471427d309b6555483f9 Mon Sep 17 00:00:00 2001
From: Naglis Jonaitis <njonaitis@gmail.com>
Date: Sun, 8 Feb 2015 17:39:00 +0200
Subject: [PATCH] [extractor/common] Add new helper method
 _family_friendly_search

---
 youtube_dl/extractor/common.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 980b63680..2f5ba7aee 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -656,6 +656,21 @@ class InfoExtractor(object):
         }
         return RATING_TABLE.get(rating.lower(), None)
 
+    def _family_friendly_search(self, html):
+        # See http://schema.org/VideoObj
+        family_friendly = self._html_search_meta('isFamilyFriendly', html)
+
+        if not family_friendly:
+            return None
+
+        RATING_TABLE = {
+            '1': 0,
+            'true': 0,
+            '0': 18,
+            'false': 18,
+        }
+        return RATING_TABLE.get(family_friendly.lower(), None)
+
     def _twitter_search_player(self, html):
         return self._html_search_meta('twitter:player', html,
                                       'twitter card player')