1 files changed, 19 insertions, 1 deletions
diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
index e4c51f238..f544e87f1 100644
--- a/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@ -71,6 +71,7 @@ from .cnn import (
 from .collegehumor import CollegeHumorIE
 from .comedycentral import ComedyCentralIE, ComedyCentralShowsIE
 from .comcarcoff import ComCarCoffIE
+from .commonmistakes import CommonMistakesIE
 from .condenast import CondeNastIE
 from .cracked import CrackedIE
 from .criterion import CriterionIE
@@ -158,6 +159,7 @@ from .gametrailers import GametrailersIE
 from .gdcvault import GDCVaultIE
 from .generic import GenericIE
 from .giantbomb import GiantBombIE
+from .giga import GigaIE
 from .glide import GlideIE
 from .globo import GloboIE
 from .godtube import GodTubeIE
@@ -272,6 +274,7 @@ from .nbc import (
 )
 from .ndr import NDRIE
 from .ndtv import NDTVIE
+from .netzkino import NetzkinoIE
 from .nerdcubed import NerdCubedFeedIE
 from .newgrounds import NewgroundsIE
 from .newstube import NewstubeIE
@@ -324,6 +327,7 @@ from .prosiebensat1 import ProSiebenSat1IE
 from .pyvideo import PyvideoIE
 from .quickvid import QuickVidIE
 from .radiode import RadioDeIE
+from .radiobremen import RadioBremenIE
 from .radiofrance import RadioFranceIE
 from .rai import RaiIE
 from .rbmaradio import RBMARadioIE
@@ -344,6 +348,7 @@ from .ruhd import RUHDIE
 from .rutube import (
     RutubeIE,
     RutubeChannelIE,
+    RutubeEmbedIE,
     RutubeMovieIE,
     RutubePersonIE,
 )
@@ -473,6 +478,7 @@ from .videott import VideoTtIE
 from .videoweed import VideoWeedIE
 from .vidme import VidmeIE
 from .vidzi import VidziIE
+from .vier import VierIE, VierVideosIE
 from .vimeo import (
     VimeoIE,
     VimeoAlbumIE,
@@ -508,6 +514,7 @@ from .wdr import (
     WDRMobileIE,
     WDRMausIE,
 )
+from .webofstories import WebOfStoriesIE
 from .weibo import WeiboIE
 from .wimp import WimpIE
 from .wistia import WistiaIE
@@ -543,7 +550,7 @@ from .youtube import (
     YoutubeSearchURLIE,
     YoutubeShowIE,
     YoutubeSubscriptionsIE,
-    YoutubeTopListIE,
+    YoutubeTruncatedIDIE,
     YoutubeTruncatedURLIE,
     YoutubeUserIE,
     YoutubeWatchLaterIE,
@@ -569,6 +576,17 @@ def gen_extractors():
     return [klass() for klass in _ALL_CLASSES]
 
 
+def list_extractors(age_limit):
+    """
+    Return a list of extractors that are suitable for the given age,
+    sorted by extractor ID.
+    """
+
+    return sorted(
+        filter(lambda ie: ie.is_suitable(age_limit), gen_extractors()),
+        key=lambda ie: ie.IE_NAME.lower())
+
+
 def get_info_extractor(ie_name):
     """Returns the info extractor class with the given ie_name"""
     return globals()[ie_name + 'IE']