fix(lib): pass skip argument to ManimCE (#524)

* fix(lib): pass skip argument to ManimCE

* fix(lint): make ruff happy

CHANGELOG.md

@@ -10,6 +10,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 (unreleased)=
 ## [Unreleased](https://github.com/jeertmans/manim-slides/compare/v5.4.1...HEAD)
 
+(unreleased-fixed)=
+### Fixed
+
+- Fixed `start_skip_animations` to actually pass argument to ManimCE,
+  otherwise video animations were still rendered, just excluded from
+  the final output.
+  [#524](https://github.com/jeertmans/manim-slides/pull/524)
+
 (v5.4.1)=
 ## [v5.4.1](https://github.com/jeertmans/manim-slides/compare/v5.4.0...v5.4.1)
 

manim_slides/slide/base.py

@@ -594,9 +594,7 @@ def start_skip_animations(self) -> None:
         self._skip_animations = True
 
     def stop_skip_animations(self) -> None:
-        """
-        Stop skipping animations.
-        """
+        """Stop skipping animations."""
         self._skip_animations = False
 
     def wipe(

manim_slides/slide/manim.py

@@ -127,7 +127,10 @@ def next_slide(
         **kwargs: Any,
     ) -> None:
         Scene.next_section(
-            self, *args, skip_animations=base_slide_config.skip_animations, **kwargs
+            self,
+            *args,
+            skip_animations=base_slide_config.skip_animations | self._skip_animations,
+            **kwargs,
         )
         BaseSlide.next_slide.__wrapped__(
             self,

tests/test_base_slide.py

@@ -87,13 +87,13 @@ def test_wait_time_between_slides(self, base_slide: BaseSlide) -> None:
         assert base_slide.wait_time_between_slides == 0.0
 
     def test_skip_animations(self, base_slide: BaseSlide) -> None:
-        assert base_slide._skip_animations == False
+        assert not base_slide._skip_animations
 
     def test_start_and_stop_skip_animations(self, base_slide: BaseSlide) -> None:
         base_slide.start_skip_animations()
-        assert base_slide._skip_animations == True
+        assert base_slide._skip_animations
         base_slide.stop_skip_animations()
-        assert base_slide._skip_animations == False
+        assert not base_slide._skip_animations
 
     def test_play(self) -> None:
         pass  # This method should be tested in test_slide.py