PyOCD
Not ready for serious application, ignore.
Prep
apt install python3-pip
Less
sudo -H python3 -m pip install -U pyocd error: [Errno 2] No such file or directory: 'cargo': 'cargo'
More
git clone https://github.com/pyocd/pyOCD cd pyOCD
See README, NOTHING WORKS, life is too valuable to waste on this.