First pass at supporting user apps

Co-authored-by: red <red@kalab.sk>
Co-authored-by: Vioshim <63890837+Vioshim@users.noreply.github.com>

discord/ext/commands/bot.py

@@ -166,6 +166,8 @@ class BotBase(GroupMixin[None]):
         help_command: Optional[HelpCommand] = _default,
         tree_cls: Type[app_commands.CommandTree[Any]] = app_commands.CommandTree,
         description: Optional[str] = None,
+        allowed_contexts: app_commands.AppCommandContext = MISSING,
+        allowed_installs: app_commands.AppInstallationType = MISSING,
         intents: discord.Intents,
         **options: Any,
     ) -> None:
@@ -174,6 +176,11 @@ class BotBase(GroupMixin[None]):
         self.extra_events: Dict[str, List[CoroFunc]] = {}
         # Self doesn't have the ClientT bound, but since this is a mixin it technically does
         self.__tree: app_commands.CommandTree[Self] = tree_cls(self)  # type: ignore
+        if allowed_contexts is not MISSING:
+            self.__tree.allowed_contexts = allowed_contexts
+        if allowed_installs is not MISSING:
+            self.__tree.allowed_installs = allowed_installs
+
         self.__cogs: Dict[str, Cog] = {}
         self.__extensions: Dict[str, types.ModuleType] = {}
         self._checks: List[UserCheck] = []
@@ -521,7 +528,6 @@ class BotBase(GroupMixin[None]):
         elif self.owner_ids:
             return user.id in self.owner_ids
         else:
-
             app: discord.AppInfo = await self.application_info()  # type: ignore
             if app.team:
                 self.owner_ids = ids = {
@@ -1489,6 +1495,20 @@ class Bot(BotBase, discord.Client):
         The type of application command tree to use. Defaults to :class:`~discord.app_commands.CommandTree`.
 
         .. versionadded:: 2.0
+    allowed_contexts: :class:`~discord.app_commands.AppCommandContext`
+        The default allowed contexts that applies to all application commands
+        in the application command tree.
+
+        Note that you can override this on a per command basis.
+
+        .. versionadded:: 2.4
+    allowed_installs: :class:`~discord.app_commands.AppInstallationType`
+        The default allowed install locations that apply to all application commands
+        in the application command tree.
+
+        Note that you can override this on a per command basis.
+
+        .. versionadded:: 2.4
     """
 
     pass

discord/ext/commands/cog.py

@@ -318,6 +318,8 @@ class Cog(metaclass=CogMeta):
                 parent=None,
                 guild_ids=getattr(cls, '__discord_app_commands_default_guilds__', None),
                 guild_only=getattr(cls, '__discord_app_commands_guild_only__', False),
+                allowed_contexts=getattr(cls, '__discord_app_commands_contexts__', None),
+                allowed_installs=getattr(cls, '__discord_app_commands_installation_types__', None),
                 default_permissions=getattr(cls, '__discord_app_commands_default_permissions__', None),
                 extras=cls.__cog_group_extras__,
             )

discord/ext/commands/context.py

@@ -472,7 +472,7 @@ class Context(discord.abc.Messageable, Generic[BotT]):
 
         .. versionadded:: 2.0
         """
-        if self.channel.type is ChannelType.private:
+        if self.interaction is None and self.channel.type is ChannelType.private:
             return Permissions._dm_permissions()
         if not self.interaction:
             # channel and author will always match relevant types here
@@ -506,7 +506,7 @@ class Context(discord.abc.Messageable, Generic[BotT]):
         .. versionadded:: 2.0
         """
         channel = self.channel
-        if channel.type == ChannelType.private:
+        if self.interaction is None and channel.type == ChannelType.private:
             return Permissions._dm_permissions()
         if not self.interaction:
             # channel and me will always match relevant types here

discord/ext/commands/hybrid.py

@@ -653,6 +653,8 @@ class HybridGroup(Group[CogT, P, T]):
             guild_only = getattr(self.callback, '__discord_app_commands_guild_only__', False)
             default_permissions = getattr(self.callback, '__discord_app_commands_default_permissions__', None)
             nsfw = getattr(self.callback, '__discord_app_commands_is_nsfw__', False)
+            contexts = getattr(self.callback, '__discord_app_commands_contexts__', MISSING)
+            installs = getattr(self.callback, '__discord_app_commands_installation_types__', MISSING)
             self.app_command = app_commands.Group(
                 name=self._locale_name or self.name,
                 description=self._locale_description or self.description or self.short_doc or '…',
@@ -660,6 +662,8 @@ class HybridGroup(Group[CogT, P, T]):
                 guild_only=guild_only,
                 default_permissions=default_permissions,
                 nsfw=nsfw,
+                allowed_installs=installs,
+                allowed_contexts=contexts,
             )
 
             # This prevents the group from re-adding the command at __init__