update-version

#!/usr/bin/env python3

import os
import sys


def update_version(path, version, version_3, strict=False):
    if not os.path.exists(path):
        print(path, "does not exist, not updating version")
        return
    print("updating version number in", path)

    with open(path, "r", encoding="ISO-8859-1", newline="") as f:
        data = f.read()

    version_upstream = version
    if "--deb" in sys.argv:
        version = version.replace("alpha", "~alpha")
        version = version.replace("beta", "~beta")
        version = version.replace("dev", "~dev")

    data = data.replace("9.8.7dummy3", version_3)
    data = data.replace("9.8.7dummy", version)
    data = data.replace("9.8.7upstream", version_upstream)
    data = data.replace("9.8.7", version_3 if strict else version)
    with open(path, "w", encoding="ISO-8859-1", newline="") as f:
        f.write(data)


def main():
    with open("VERSION.FS", "r", encoding="ISO-8859-1", newline="") as f:
        version = f.read().strip()

    parts = version.split(".")
    parts = parts[:3]
    for i, part in enumerate(parts):
        p = ""
        for c in part:
            if c in "0123456789":
                p += c
            else:
                break
        parts[i] = p
    version_3 = ".".join(parts)

    update_version(sys.argv[1], version, version_3,
                   strict=("--strict" in sys.argv))


if __name__ == "__main__":
    main()