bugfix - fields without a default but set to None would become UNSET

etc stuff as well

disco/gateway/events.py

@@ -7,7 +7,7 @@ from disco.types.user import User, Presence
 from disco.types.channel import Channel
 from disco.types.message import Message, MessageReactionEmoji
 from disco.types.voice import VoiceState
-from disco.types.guild import Guild, GuildMember, Role, Emoji
+from disco.types.guild import Guild, GuildMember, Role, GuildEmoji
 
 from disco.types.base import Model, ModelMeta, Field, ListField, snowflake, lazy_datetime
 
@@ -295,7 +295,7 @@ class GuildEmojisUpdate(GatewayEvent):
         The new set of emojis for the guild
     """
     guild_id = Field(snowflake)
-    emojis = ListField(Emoji)
+    emojis = ListField(GuildEmoji)
 
 
 class GuildIntegrationsUpdate(GatewayEvent):

disco/types/base.py

@@ -290,18 +290,21 @@ class Model(six.with_metaclass(ModelMeta, AsyncChainable)):
             should_skip = skip and name in skip
 
             if consume and not should_skip:
-                raw = obj.pop(field.src_name, None)
+                raw = obj.pop(field.src_name, UNSET)
             else:
-                raw = obj.get(field.src_name, None)
+                raw = obj.get(field.src_name, UNSET)
 
-            if raw is None or should_skip:
-                if field.has_default():
+            # If the field is unset/none, and we have a default we need to set it
+            if (raw in (None, UNSET) or should_skip) and field.has_default():
                 default = field.default() if callable(field.default) else field.default
-                else:
-                    default = UNSET
                 setattr(self, field.dst_name, default)
                 continue
 
+            # Otherwise if the field is UNSET and has no default, skip conversion
+            if raw is UNSET or should_skip:
+                setattr(self, field.dst_name, raw)
+                continue
+
             value = field.try_convert(raw, self.client)
             setattr(self, field.dst_name, value)
 

disco/types/guild.py

@@ -49,6 +49,9 @@ class GuildEmoji(Emoji):
     managed = Field(bool)
     roles = ListField(snowflake)
 
+    def __str__(self):
+        return u'<:{}:{}>'.format(self.name, self.id)
+
     @property
     def url(self):
         return 'https://discordapp.com/api/emojis/{}.png'.format(self.id)