How to save constructed scene as objects file with textures and materials?

[universewill]

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How to save constructed scene as objects file with textures and materials?

[SimantoR]

Isn't it better to have a loader and saver for that? That's how I'm doing it. Pyrender to me is just the renderer. For example I built ECS-like offline rendering with opencv to view every frame. I have a class wrapped around scene to add more ECS like functionalities and keeping structure of nodes in my own assigned memory. So when saving, I'm using that structure to construct a JSON (for now) file to save the nodes in correct order.