Implement icon_rl_as and cover_image_url_as for AppInfo

1 files changed, 14 insertions, 4 deletions

diff --git a/discord/asset.py b/discord/asset.py
index 349c42a4..f5c5eddc 100644
--- a/discord/asset.py
+++ b/discord/asset.py
@@ -89,19 +89,29 @@ class Asset:
         return cls(state, '/avatars/{0.id}/{0.avatar}.{1}?size={2}'.format(user, format, size))
 
     @classmethod
-    def _from_icon(cls, state, object, path):
+    def _from_icon(cls, state, object, path, *, format='webp', size=1024):
         if object.icon is None:
             return cls(state)
 
-        url = '/{0}-icons/{1.id}/{1.icon}.jpg'.format(path, object)
+        if not utils.valid_icon_size(size):
+            raise InvalidArgument("size must be a power of 2 between 16 and 4096")
+        if format not in VALID_STATIC_FORMATS:
+            raise InvalidArgument("format must be None or one of {}".format(VALID_STATIC_FORMATS))
+
+        url = '/{0}-icons/{1.id}/{1.icon}.{2}?size={3}'.format(path, object, format, size)
         return cls(state, url)
 
     @classmethod
-    def _from_cover_image(cls, state, obj):
+    def _from_cover_image(cls, state, obj, *, format='webp', size=1024):
         if obj.cover_image is None:
             return cls(state)
 
-        url = '/app-assets/{0.id}/store/{0.cover_image}.jpg'.format(obj)
+        if not utils.valid_icon_size(size):
+            raise InvalidArgument("size must be a power of 2 between 16 and 4096")
+        if format not in VALID_STATIC_FORMATS:
+            raise InvalidArgument("format must be None or one of {}".format(VALID_STATIC_FORMATS))
+
+        url = '/app-assets/{0.id}/store/{0.cover_image}.{1}?size={2}'.format(obj, format, size)
         return cls(state, url)
 
     @classmethod