Clean up code: Replace exceptions, remove unused parameters, and fix type annotations in Animation, ShowPartial, Create, and DrawBorderThenFill

manim/animation/animation.py

@@ -121,7 +121,7 @@ def __new__(
             if func is not None:
                 anim = func(mobject, *args, **kwargs)
                 logger.debug(
-                    f"The {cls.__name__} animation has been is overridden for "
+                    f"The {cls.__name__} animation has been overridden for "
                     f"{type(mobject).__name__} mobjects. use_override = False can "
                     f" be used as keyword argument to prevent animation overriding.",
                 )
@@ -141,7 +141,7 @@ def __init__(
         introducer: bool = False,
         *,
         _on_finish: Callable[[], None] = lambda _: None,
-        **kwargs,
+        use_override: bool = True,  # included here to avoid TypeError if passed from a subclass's constructor
     ) -> None:
         self._typecheck_input(mobject)
         self.run_time: float = run_time
@@ -161,8 +161,6 @@ def __init__(
         else:
             self.starting_mobject: Mobject = Mobject()
             self.mobject: Mobject = mobject if mobject is not None else Mobject()
-        if kwargs:
-            logger.debug("Animation received extra kwargs: %s", kwargs)
 
         if hasattr(self, "CONFIG"):
             logger.error(
@@ -499,6 +497,8 @@ def __init_subclass__(cls, **kwargs) -> None:
 
         cls._original__init__ = cls.__init__
 
+    _original__init__ = __init__  # needed if set_default() is called with no kwargs directly from Animation
+
     @classmethod
     def set_default(cls, **kwargs) -> None:
         """Sets the default values of keyword arguments.

manim/animation/creation.py

@@ -120,7 +120,7 @@ def __init__(
     ):
         pointwise = getattr(mobject, "pointwise_become_partial", None)
         if not callable(pointwise):
-            raise NotImplementedError("This animation is not defined for this Mobject.")
+            raise TypeError(f"{self.__class__.__name__} only works for VMobjects.")
         super().__init__(mobject, **kwargs)
 
     def interpolate_submobject(
@@ -133,7 +133,7 @@ def interpolate_submobject(
             starting_submobject, *self._get_bounds(alpha)
         )
 
-    def _get_bounds(self, alpha: float) -> None:
+    def _get_bounds(self, alpha: float) -> tuple[float, float]:
         raise NotImplementedError("Please use Create or ShowPassingFlash")
 
 
@@ -173,7 +173,7 @@ def __init__(
     ) -> None:
         super().__init__(mobject, lag_ratio=lag_ratio, introducer=introducer, **kwargs)
 
-    def _get_bounds(self, alpha: float) -> tuple[int, float]:
+    def _get_bounds(self, alpha: float) -> tuple[float, float]:
         return (0, alpha)
 
 
@@ -229,8 +229,6 @@ def __init__(
         rate_func: Callable[[float], float] = double_smooth,
         stroke_width: float = 2,
         stroke_color: str = None,
-        draw_border_animation_config: dict = {},  # what does this dict accept?
-        fill_animation_config: dict = {},
         introducer: bool = True,
         **kwargs,
     ) -> None:
@@ -244,8 +242,6 @@ def __init__(
         )
         self.stroke_width = stroke_width
         self.stroke_color = stroke_color
-        self.draw_border_animation_config = draw_border_animation_config
-        self.fill_animation_config = fill_animation_config
         self.outline = self.get_outline()
 
     def _typecheck_input(self, vmobject: VMobject | OpenGLVMobject) -> None:

manim/animation/transform_matching_parts.py

@@ -96,7 +96,6 @@ def __init__(
         # target_map
         transform_source = group_type()
         transform_target = group_type()
-        kwargs["final_alpha_value"] = 0
         for key in set(source_map).intersection(target_map):
             transform_source.add(source_map[key])
             transform_target.add(target_map[key])

manim/mobject/mobject.py

@@ -1011,7 +1011,7 @@ def dot_position(mobject):
                     label.add_updater(dot_position)
                     self.add(dot, label)
 
-                    self.play(Rotating(dot, about_point=ORIGIN, angle=TAU, run_time=TAU, rate_func=linear))
+                    self.play(Rotating(dot, about_point=ORIGIN, run_time=TAU, rate_func=linear))
 
         .. manim:: DtUpdater