Add is_live_streaming control flow to idle the scene generation pipe for interactive shell usage purpose

manim.py

@@ -43,4 +43,5 @@ class Manim():
             "skip_animations": False,
             "camera_config": HIGH_QUALITY_CAMERA_CONFIG,
             "frame_duration": PRODUCTION_QUALITY_FRAME_DURATION,
+            "is_live_streaming": True,
         }

scene/scene.py

@@ -67,6 +67,8 @@ class Scene(Container):
         self.setup()
         if self.write_to_movie:
             self.open_movie_pipe()
+        if self.is_live_streaming:
+            return None
         try:
             self.construct(*self.construct_args)
         except EndSceneEarlyException:

test1.py

@@ -18,6 +18,18 @@ class Shapes(Scene):
 #python3 extract_scene.py test1.py Shapes -r 1080
 
 
-if __name__ == '__main__':
 manim = Manim()
-    Shapes(**manim.config)
+scene1 = Scene(**manim.config)
+
+circle = Circle()
+square = Square()
+line = Line(np.array([3,0,0]),np.array([5,0,0]))
+triangle = Polygon(np.array([0,0,0]),np.array([1,1,0]),np.array([1,-1,0]))
+
+scene1.add(line)
+scene1.play(ShowCreation(circle))
+scene1.play(FadeOut(circle))
+scene1.play(GrowFromCenter(square))
+scene1.play(Transform(square,triangle))
+
+scene1.close_movie_pipe()