Preparations for d.py 1.4 (includes breaking changes related to mass mentions) (#3845)

Co-authored-by: PredaaA <46051820+PredaaA@users.noreply.github.com>

redbot/core/commands/__init__.py

@@ -76,6 +76,8 @@ from ._dpy_reimplements import (
     when_mentioned_or as when_mentioned_or,
     when_mentioned as when_mentioned,
     bot_has_any_role as bot_has_any_role,
+    before_invoke as before_invoke,
+    after_invoke as after_invoke,
 )
 
 ### DEP-WARN: Check this *every* discord.py update
@@ -143,6 +145,7 @@ from discord.ext.commands import (
     MaxConcurrency as MaxConcurrency,
     MaxConcurrencyReached as MaxConcurrencyReached,
     bot_has_guild_permissions as bot_has_guild_permissions,
+    CommandRegistrationError as CommandRegistrationError,
 )
 
 

redbot/core/commands/_dpy_reimplements.py

@@ -31,6 +31,8 @@ if not TYPE_CHECKING:
         bot_has_role as bot_has_role,
         bot_has_any_role as bot_has_any_role,
         cooldown as cooldown,
+        before_invoke as before_invoke,
+        after_invoke as after_invoke,
     )
 
 from ..i18n import Translator
@@ -59,6 +61,8 @@ __all__ = [
     "when_mentioned_or",
     "cooldown",
     "when_mentioned",
+    "before_invoke",
+    "after_invoke",
 ]
 
 _CT = TypeVar("_CT", bound=Context)
@@ -66,6 +70,7 @@ _T = TypeVar("_T")
 _F = TypeVar("_F")
 CheckType = Union[Callable[[_CT], bool], Callable[[_CT], Coroutine[Any, Any, bool]]]
 CoroLike = Callable[..., Union[Awaitable[_T], Generator[Any, None, _T]]]
+InvokeHook = Callable[[_CT], Coroutine[Any, Any, bool]]
 
 
 class CheckDecorator(Protocol):
@@ -109,6 +114,12 @@ if TYPE_CHECKING:
     def cooldown(rate: int, per: float, type: dpy_commands.BucketType = ...) -> Callable[[_F], _F]:
         ...
 
+    def before_invoke(coro: InvokeHook) -> Callable[[_F], _F]:
+        ...
+
+    def after_invoke(coro: InvokeHook) -> Callable[[_F], _F]:
+        ...
+
 
 PrefixCallable = Callable[[dpy_commands.bot.BotBase, discord.Message], List[str]]
 

redbot/core/commands/commands.py

@@ -794,6 +794,7 @@ class Group(GroupMixin, Command, CogGroupMixin, DPYGroup):
         # we skip prepare in some cases to avoid some things
         # We still always want this part of the behavior though
         ctx.command = self
+        ctx.subcommand_passed = None
         # Our re-ordered behavior below.
         view = ctx.view
         previous = view.index

redbot/core/commands/context.py

@@ -69,12 +69,12 @@ class Context(DPYContext):
 
         Other Parameters
         ----------------
-        filter : Callable[`str`] -> `str`
-            A function which is used to sanitize the ``content`` before
-            it is sent. Defaults to
-            :func:`~redbot.core.utils.common_filters.filter_mass_mentions`.
+        filter : callable (`str`) -> `str`, optional
+            A function which is used to filter the ``content`` before
+            it is sent.
             This must take a single `str` as an argument, and return
-            the sanitized `str`.
+            the processed `str`. When `None` is passed, ``content`` won't be touched.
+            Defaults to `None`.
         **kwargs
             See `discord.ext.commands.Context.send`.
 
@@ -85,7 +85,7 @@ class Context(DPYContext):
 
         """
 
-        _filter = kwargs.pop("filter", common_filters.filter_mass_mentions)
+        _filter = kwargs.pop("filter", None)
 
         if _filter and content:
             content = _filter(str(content))