1 files changed, 9 insertions, 0 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index f60141bd1..7809c4e0b 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1289,3 +1289,12 @@ if sys.version_info < (3, 0) and sys.platform == 'win32':
         return getpass.getpass(prompt, *args, **kwargs)
 else:
     compat_getpass = getpass.getpass
+
+
+US_RATINGS = {
+    'G': 0,
+    'PG': 10,
+    'PG-13': 13,
+    'R': 16,
+    'NC': 18,
+}