Updates guild_install, user_install, private_channel_only and guild_only decorators to explicity include allowed and unallowed contexts.

discord/app_commands/commands.py

@@ -2516,8 +2516,11 @@ def guild_only(func: Optional[T] = None) -> Union[T, Callable[[T], T]]:
 
             allowed_contexts = getattr(f, '__discord_app_commands_contexts__', None) or AppCommandContext()
             f.__discord_app_commands_contexts__ = allowed_contexts  # type: ignore # Runtime attribute assignment
-
-        allowed_contexts.guild = True
+        
+        # Ensure that only Guild context is allowed
+        allowed_contexts.guild = False  # Enable guild context
+        allowed_contexts.private_channel = False  # Disable private channel context
+        allowed_contexts.dm_channel = False # Disable DM context
 
         return f
 
@@ -2570,8 +2573,11 @@ def private_channel_only(func: Optional[T] = None) -> Union[T, Callable[[T], T]]
         else:
             allowed_contexts = getattr(f, '__discord_app_commands_contexts__', None) or AppCommandContext()
             f.__discord_app_commands_contexts__ = allowed_contexts  # type: ignore # Runtime attribute assignment
-
-        allowed_contexts.private_channel = True
+        
+        # Ensure that only Private Channel context is allowed
+        allowed_contexts.guild = False  # Disable guild context
+        allowed_contexts.private_channel = True  # Enable private channel context
+        allowed_contexts.dm_channel = False  # Disable DM context
 
         return f
 
@@ -2721,6 +2727,7 @@ def guild_install(func: Optional[T] = None) -> Union[T, Callable[[T], T]]:
             f.__discord_app_commands_installation_types__ = allowed_installs  # type: ignore # Runtime attribute assignment
 
         allowed_installs.guild = True
+        allowed_installs.user = False
 
         return f
 
@@ -2771,6 +2778,7 @@ def user_install(func: Optional[T] = None) -> Union[T, Callable[[T], T]]:
             f.__discord_app_commands_installation_types__ = allowed_installs  # type: ignore # Runtime attribute assignment
 
         allowed_installs.user = True
+        allowed_installs.guild = False
 
         return f