Fix USER_UPDATE changes not triggering for member instances.

Also add a ClientUser.locale attribute.

discord/state.py

@@ -330,7 +330,8 @@ class ConnectionState:
 
         self._ready_state = ReadyState(launch=asyncio.Event(), guilds=[])
         self.clear()
-        self.user = ClientUser(state=self, data=data['user'])
+        self.user = user = ClientUser(state=self, data=data['user'])
+        self._users[user.id] = user
 
         guilds = self._ready_state.guilds
         for guild_data in data['guilds']:
@@ -344,11 +345,11 @@ class ConnectionState:
             except KeyError:
                 continue
             else:
-                self.user._relationships[r_id] = Relationship(state=self, data=relationship)
+                user._relationships[r_id] = Relationship(state=self, data=relationship)
 
         for pm in data.get('private_channels', []):
             factory, _ = _channel_factory(pm['type'])
-            self._add_private_channel(factory(me=self.user, data=pm, state=self))
+            self._add_private_channel(factory(me=user, data=pm, state=self))
 
         self.dispatch('connect')
         self._ready_task = asyncio.ensure_future(self._delay_ready(), loop=self.loop)
@@ -472,7 +473,7 @@ class ConnectionState:
         self.dispatch('member_update', old_member, member)
 
     def parse_user_update(self, data):
-        self.user = ClientUser(state=self, data=data)
+        self.user._update(data)
 
     def parse_channel_delete(self, data):
         guild = self._get_guild(utils._get_as_snowflake(data, 'guild_id'))
@@ -993,7 +994,8 @@ class AutoShardedConnectionState(ConnectionState):
         if not hasattr(self, '_ready_state'):
             self._ready_state = ReadyState(launch=asyncio.Event(), guilds=[])
 
-        self.user = ClientUser(state=self, data=data['user'])
+        self.user = user = ClientUser(state=self, data=data['user'])
+        self._users[user.id] = user
 
         guilds = self._ready_state.guilds
         for guild_data in data['guilds']:
@@ -1003,7 +1005,7 @@ class AutoShardedConnectionState(ConnectionState):
 
         for pm in data.get('private_channels', []):
             factory, _ = _channel_factory(pm['type'])
-            self._add_private_channel(factory(me=self.user, data=pm, state=self))
+            self._add_private_channel(factory(me=user, data=pm, state=self))
 
         self.dispatch('connect')
         if self._ready_task is None:

discord/user.py

@@ -78,11 +78,7 @@ class BaseUser(_BaseUser):
 
     def __init__(self, *, state, data):
         self._state = state
-        self.name = data['username']
-        self.id = int(data['id'])
-        self.discriminator = data['discriminator']
-        self.avatar = data['avatar']
-        self.bot = data.get('bot', False)
+        self._update(data)
 
     def __str__(self):
         return '{0.name}#{0.discriminator}'.format(self)
@@ -96,6 +92,13 @@ class BaseUser(_BaseUser):
     def __hash__(self):
         return self.id >> 22
 
+    def _update(self, data):
+        self.name = data['username']
+        self.id = int(data['id'])
+        self.discriminator = data['discriminator']
+        self.avatar = data['avatar']
+        self.bot = data.get('bot', False)
+
     @classmethod
     def _copy(cls, user):
         self = cls.__new__(cls) # bypass __init__
@@ -275,6 +278,8 @@ class ClientUser(BaseUser):
         Specifies if the user is a verified account.
     email: Optional[:class:`str`]
         The email the user used when registering.
+    locale: Optional[:class:`str`]
+        The IETF language tag used to identify the user is using.
     mfa_enabled: :class:`bool`
         Specifies if the user has MFA turned on and working.
     premium: :class:`bool`
@@ -282,21 +287,27 @@ class ClientUser(BaseUser):
     premium_type: :class:`PremiumType`
         Specifies the type of premium a user has (e.g. Nitro or Nitro Classic). Could be None if the user is not premium.
     """
-    __slots__ = ('email', 'verified', 'mfa_enabled', 'premium', 'premium_type', '_relationships')
+    __slots__ = ('email', 'locale', '_flags', 'verified', 'mfa_enabled',
+                 'premium', 'premium_type', '_relationships', '__weakref__')
 
     def __init__(self, *, state, data):
         super().__init__(state=state, data=data)
-        self.verified = data.get('verified', False)
-        self.email = data.get('email')
-        self.mfa_enabled = data.get('mfa_enabled', False)
-        self.premium = data.get('premium', False)
-        self.premium_type = try_enum(PremiumType, data.get('premium_type', None))
         self._relationships = {}
 
     def __repr__(self):
         return '<ClientUser id={0.id} name={0.name!r} discriminator={0.discriminator!r}' \
                ' bot={0.bot} verified={0.verified} mfa_enabled={0.mfa_enabled}>'.format(self)
 
+    def _update(self, data):
+        super()._update(data)
+        # There's actually an Optional[str] phone field as well but I won't use it
+        self.verified = data.get('verified', False)
+        self.email = data.get('email')
+        self.locale = data.get('locale')
+        self._flags = data.get('flags', 0)
+        self.mfa_enabled = data.get('mfa_enabled', False)
+        self.premium = data.get('premium', False)
+        self.premium_type = try_enum(PremiumType, data.get('premium_type', None))
 
     def get_relationship(self, user_id):
         """Retrieves the :class:`Relationship` if applicable.
@@ -444,8 +455,7 @@ class ClientUser(BaseUser):
             except KeyError:
                 pass
 
-        # manually update data by calling __init__ explicitly.
-        self.__init__(state=self._state, data=data)
+        self._update(data)
 
     async def create_group(self, *recipients):
         r"""|coro|