How can I create the launcher icons via console?

Question

I want to automate the branding of a white-label Android app. One thing that requires manual work is taking a 512x512 px PNG image and creating the launcher icons:

├── ic_launcher-playstore.png
└── icons
    ├── mipmap-hdpi
    │   ├── ic_launcher_foreground.png
    │   ├── ic_launcher.png
    │   └── ic_launcher_round.png
    ├── mipmap-mdpi
    │   ├── ic_launcher_foreground.png
    │   ├── ic_launcher.png
    │   └── ic_launcher_round.png
    ├── mipmap-xhdpi
    │   ├── ic_launcher_foreground.png
    │   ├── ic_launcher.png
    │   └── ic_launcher_round.png
    ├── mipmap-xxhdpi
    │   ├── ic_launcher_foreground.png
    │   ├── ic_launcher.png
    │   └── ic_launcher_round.png
    └── mipmap-xxxhdpi
        ├── ic_launcher_foreground.png
        ├── ic_launcher.png
        └── ic_launcher_round.png

I currently do that via Image Asset Studio, but it's monotonic work that seems easy to automate.

Is there a way to generate those images automatically?

What I thought about

1. Using convert (imagemagick): I'm uncertain how to apply the rounding though.
2. A Python package: I haven't found anything on pypi
3. Running Image Asset Studio via command line: seems not to be possible