firmware/bin/bump_version.py

#!/usr/bin/env python
"""Bump the version number"""

lines = None

with open("version.properties", "r", encoding="utf-8") as f:
    lines = f.readlines()

with open("version.properties", "w", encoding="utf-8") as f:
    for line in lines:
        if line.lstrip().startswith("build = "):
            words = line.split(" = ")
            ver = f"build = {int(words[1]) + 1}"
            f.write(f"{ver}\n")
        else:
            f.write(line)