Command line tool to show Time Machine backup progress in a human-readable form (Python 3.8+)

tmstatus.py

#!/usr/bin/env python
import plistlib
import subprocess

res = subprocess.run("tmutil status -X", shell=True, capture_output=True).stdout
data = plistlib.loads(res)
if running := data["Running"]:
    print("Backup is running")
    print("Progress: %s%%" % (round(data.get("Progress", {}).get("Percent", -1) * 100, 2)))
    print("BackupPhase:", data["BackupPhase"])
    print("Stopping:", data["Stopping"])
else:
    print("Backup is not running")