Add support for detecting NSFW channels

disco/types/channel.py

@@ -1,3 +1,4 @@
+import re
 import six
 
 from six.moves import map
@@ -11,6 +12,9 @@ from disco.types.permissions import Permissions, Permissible, PermissionValue
 from disco.voice.client import VoiceClient
 
 
+NSFW_RE = re.compile('^nsfw(-|$)')
+
+
 ChannelType = Enum(
     GUILD_TEXT=0,
     DM=1,
@@ -179,6 +183,13 @@ class Channel(SlottedModel, Permissible):
         """
         return self.type in (ChannelType.DM, ChannelType.GROUP_DM)
 
+    @property
+    def is_nsfw(self):
+        """
+        Whether this channel is an NSFW channel.
+        """
+        return self.type == ChannelType.GUILD_TEXT and NSFW_RE.match(self.name)
+
     @property
     def is_voice(self):
         """