Add Ruff Lint

.pre-commit-config.yaml

@@ -12,17 +12,6 @@ repos:
       - id: end-of-file-fixer
       - id: check-toml
         name: Validate Poetry
-  - repo: https://github.com/pycqa/isort
-    rev: 5.13.2
-    hooks:
-      - id: isort
-        name: isort (python)
-      - id: isort
-        name: isort (cython)
-        types: [cython]
-      - id: isort
-        name: isort (pyi)
-        types: [pyi]
   - repo: https://github.com/asottile/pyupgrade
     rev: v3.15.2
     hooks:
@@ -37,6 +26,10 @@ repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     rev: v0.4.4
     hooks:
+      - id: ruff
+        name: ruff lint
+        types: [python]
+        args: [--exit-non-zero-on-fix]
       - id: ruff-format
         types: [python]
   - repo: https://github.com/PyCQA/flake8

conftest.py

@@ -7,7 +7,7 @@
 
 try:
     # https://github.com/moderngl/moderngl/issues/517
-    import readline  # required to prevent a segfault on Python 3.10
+    import readline  # required to prevent a segfault on Python 3.10 # noqa: F401
 except ModuleNotFoundError:  # windows
     pass
 

manim/animation/indication.py

@@ -63,7 +63,6 @@ def construct(self):
 from ..mobject.types.vectorized_mobject import VGroup, VMobject
 from ..utils.bezier import interpolate, inverse_interpolate
 from ..utils.color import GREY, YELLOW, ParsableManimColor
-from ..utils.deprecation import deprecated
 from ..utils.rate_functions import smooth, there_and_back, wiggle
 from ..utils.space_ops import normalize
 

manim/cli/checkhealth/checks.py

@@ -5,11 +5,8 @@
 
 import os
 import shutil
-import subprocess
 from typing import Callable
 
-from ..._config import config
-
 __all__ = ["HEALTH_CHECKS"]
 
 HEALTH_CHECKS = []

manim/cli/default_group.py

@@ -10,6 +10,8 @@
     of ``click.Group``.
 """
 
+from __future__ import annotations
+
 import warnings
 
 import cloup

manim/mobject/graph.py

@@ -18,6 +18,7 @@
 if TYPE_CHECKING:
     from typing_extensions import TypeAlias
 
+    from manim.scene.scene import Scene
     from manim.typing import Point3D
 
     NxGraph: TypeAlias = nx.classes.graph.Graph | nx.classes.digraph.DiGraph
@@ -477,7 +478,7 @@ def _determine_graph_layout(
             return cast(LayoutFunction, layout)(
                 nx_graph, scale=layout_scale, **layout_config
             )
-        except TypeError as e:
+        except TypeError:
             raise ValueError(
                 f"The layout '{layout}' is neither a recognized layout, a layout function,"
                 "nor a vertex placement dictionary.",

manim/mobject/graphing/scale.py

@@ -146,7 +146,9 @@ def inverse_function(self, value: float) -> float:
         """Inverse of ``function``. The value must be greater than 0"""
         if isinstance(value, np.ndarray):
             condition = value.any() <= 0
-            func = lambda value, base: np.log(value) / np.log(base)
+
+            def func(value, base):
+                return np.log(value) / np.log(base)
         else:
             condition = value <= 0
             func = math.log

manim/mobject/opengl/opengl_mobject.py

@@ -976,7 +976,7 @@ def construct(self):
         if recursive:
             for submob in self.submobjects:
                 submob.invert(recursive=True)
-        list.reverse(self.submobjects)
+        self.submobjects.reverse()
         self.assemble_family()
 
     # Submobject organization
@@ -1295,32 +1295,6 @@ def construct(self):
         self.assemble_family()
         return self
 
-    def invert(self, recursive=False):
-        """Inverts the list of :attr:`submobjects`.
-
-        Parameters
-        ----------
-        recursive
-            If ``True``, all submobject lists of this mobject's family are inverted.
-
-        Examples
-        --------
-
-        .. manim:: InvertSumobjectsExample
-
-            class InvertSumobjectsExample(Scene):
-                def construct(self):
-                    s = VGroup(*[Dot().shift(i*0.1*RIGHT) for i in range(-20,20)])
-                    s2 = s.copy()
-                    s2.invert()
-                    s2.shift(DOWN)
-                    self.play(Write(s), Write(s2))
-        """
-        if recursive:
-            for submob in self.submobjects:
-                submob.invert(recursive=True)
-        list.reverse(self.submobjects)
-
     # Copying
 
     def copy(self, shallow: bool = False):

manim/mobject/opengl/opengl_surface.py

@@ -12,7 +12,6 @@
 from manim.utils.bezier import integer_interpolate, interpolate
 from manim.utils.color import *
 from manim.utils.config_ops import _Data, _Uniforms
-from manim.utils.deprecation import deprecated
 from manim.utils.images import change_to_rgba_array, get_full_raster_image_path
 from manim.utils.iterables import listify
 from manim.utils.space_ops import normalize_along_axis

manim/mobject/text/code_mobject.py

@@ -17,7 +17,6 @@
 from pygments.lexers import get_lexer_by_name, guess_lexer_for_filename
 from pygments.styles import get_all_styles
 
-from manim import logger
 from manim.constants import *
 from manim.mobject.geometry.arc import Dot
 from manim.mobject.geometry.polygram import RoundedRectangle

manim/mobject/text/text_mobject.py

@@ -56,7 +56,6 @@ def construct(self):
 
 import copy
 import hashlib
-import os
 import re
 from collections.abc import Iterable, Sequence
 from contextlib import contextmanager

manim/mobject/three_d/three_dimensions.py

@@ -34,14 +34,8 @@
 from manim.mobject.opengl.opengl_mobject import OpenGLMobject
 from manim.mobject.types.vectorized_mobject import VGroup, VMobject
 from manim.utils.color import (
-    BLUE,
-    BLUE_D,
-    BLUE_E,
-    LIGHT_GREY,
-    WHITE,
     ManimColor,
     ParsableManimColor,
-    interpolate_color,
 )
 from manim.utils.iterables import tuplify
 from manim.utils.space_ops import normalize, perpendicular_bisector, z_to_vector

manim/renderer/opengl_renderer.py

@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import itertools as it
-import sys
 import time
 from functools import cached_property
 from typing import Any
@@ -569,7 +568,7 @@ def pixel_coords_to_space_coords(self, px, py, relative=False, top_left=False):
         if pixel_shape is None:
             return np.array([0, 0, 0])
         pw, ph = pixel_shape
-        fw, fh = config["frame_width"], config["frame_height"]
+        fh = config["frame_height"]
         fc = self.camera.get_center()
         if relative:
             return 2 * np.array([px / pw, py / ph, 0])

manim/scene/scene.py

@@ -230,7 +230,7 @@ def render(self, preview: bool = False):
             self.construct()
         except EndSceneEarlyException:
             pass
-        except RerunSceneException as e:
+        except RerunSceneException:
             self.remove(*self.mobjects)
             self.renderer.clear_screen()
             self.renderer.num_plays = 0

manim/utils/bezier.py

@@ -2,17 +2,6 @@
 
 from __future__ import annotations
 
-from manim.typing import (
-    BezierPoints,
-    ColVector,
-    MatrixMN,
-    Point3D,
-    Point3D_Array,
-    PointDType,
-    QuadraticBezierPoints,
-    QuadraticBezierPoints_Array,
-)
-
 __all__ = [
     "bezier",
     "partial_bezier_points",
@@ -35,15 +24,31 @@
 
 from collections.abc import Sequence
 from functools import reduce
-from typing import Any, Callable, overload
+from typing import TYPE_CHECKING, Any, Callable, overload
 
 import numpy as np
-import numpy.typing as npt
 from scipy import linalg
 
+from manim.typing import PointDType
+
 from ..utils.simple_functions import choose
 from ..utils.space_ops import cross2d, find_intersection
 
+if TYPE_CHECKING:
+    import numpy.typing as npt
+
+    from manim.typing import (
+        BezierPoints,
+        BezierPoints_Array,
+        ColVector,
+        MatrixMN,
+        Point3D,
+        Point3D_Array,
+    )
+
+# l is a commonly used name in linear algebra
+# ruff: noqa: E741
+
 
 def bezier(
     points: Sequence[Point3D] | Point3D_Array,

manim/utils/color/AS2700.py

@@ -24,6 +24,8 @@
 
 """
 
+from __future__ import annotations
+
 from .core import ManimColor
 
 B11_RICH_BLUE = ManimColor("#2B3770")

manim/utils/color/BS381.py

@@ -25,6 +25,8 @@
 
 """
 
+from __future__ import annotations
+
 from .core import ManimColor
 
 BS381_101 = ManimColor("#94BFAC")

manim/utils/color/X11.py

@@ -23,6 +23,8 @@
 .. automanimcolormodule:: manim.utils.color.X11
 """
 
+from __future__ import annotations
+
 from .core import ManimColor
 
 ALICEBLUE = ManimColor("#F0F8FF")

manim/utils/color/XKCD.py

@@ -24,6 +24,8 @@
 
 """
 
+from __future__ import annotations
+
 from .core import ManimColor
 
 ACIDGREEN = ManimColor("#8FFE09")

manim/utils/color/__init__.py

@@ -47,6 +47,8 @@
 
 """
 
+from __future__ import annotations
+
 from typing import Dict, List
 
 from . import AS2700, BS381, X11, XKCD

manim/utils/color/manim_colors.py

@@ -121,7 +121,7 @@ def named_lines_group(length, colors, names, text_colors, align_to_block):
 
 """
 
-from typing import List
+from __future__ import annotations
 
 from .core import ManimColor
 

manim/utils/docbuild/autoaliasattr_directive.py

@@ -12,7 +12,6 @@
 
 if TYPE_CHECKING:
     from sphinx.application import Sphinx
-    from typing_extensions import TypeAlias
 
 __all__ = ["AliasAttrDocumenter"]
 
@@ -49,7 +48,9 @@ def smart_replace(base: str, alias: str, substitution: str) -> str:
     occurrences = []
     len_alias = len(alias)
     len_base = len(base)
-    condition = lambda char: (not char.isalnum()) and char != "_"
+
+    def condition(char: str):
+        return not char.isalnum() and char != "_"
 
     start = 0
     i = 0

manim/utils/docbuild/manim_directive.py

@@ -82,7 +82,6 @@ def construct(self):
 
 import csv
 import itertools as it
-import os
 import re
 import shutil
 import sys

manim/utils/docbuild/module_parsing.py

@@ -47,6 +47,7 @@
 # In the following, we will use ``type(xyz) is xyz_type`` instead of
 # isinstance checks to make sure no subclasses of the type pass the
 # check
+# ruff: noqa: E721
 
 
 def parse_module_attributes() -> tuple[AliasDocsDict, DataDict]:

manim/utils/file_ops.py

@@ -32,7 +32,7 @@
 
 from manim import __version__, config, logger
 
-from .. import config, console
+from .. import console
 
 
 def is_mp4_format() -> bool:

manim/utils/ipython_magic.py

@@ -3,13 +3,12 @@
 from __future__ import annotations
 
 import mimetypes
-import os
 import shutil
 from datetime import datetime
 from pathlib import Path
 from typing import Any
 
-from manim import Group, config, logger, tempconfig
+from manim import config, logger, tempconfig
 from manim.__main__ import main
 from manim.renderer.shader import shader_program_cache
 

manim/utils/module_ops.py

@@ -2,7 +2,6 @@
 
 import importlib.util
 import inspect
-import os
 import re
 import sys
 import types

manim/utils/simple_functions.py

@@ -10,9 +10,7 @@
 ]
 
 
-import inspect
 from functools import lru_cache
-from types import MappingProxyType
 from typing import Callable
 
 import numpy as np

manim/utils/space_ops.py

@@ -10,7 +10,7 @@
 from mapbox_earcut import triangulate_float32 as earcut
 from scipy.spatial.transform import Rotation
 
-from manim.constants import DOWN, OUT, PI, RIGHT, TAU, UP, RendererType
+from manim.constants import DOWN, OUT, PI, RIGHT, TAU, UP
 from manim.utils.iterables import adjacent_pairs
 
 if TYPE_CHECKING: