yt-dlp/devscripts/set-variant.py

#!/usr/bin/env python3

# Allow direct execution
import os
import sys

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))


import argparse
import functools
import re

from devscripts.utils import compose_functions, read_file, write_file

VERSION_FILE = 'yt_dlp/version.py'


def parse_options():
    parser = argparse.ArgumentParser(description='Set the build variant of the package')
    parser.add_argument('variant', help='Name of the variant')
    parser.add_argument('-M', '--update-message', default=None, help='Message to show in -U')
    return parser.parse_args()


def property_setter(name, value):
    return functools.partial(re.sub, rf'(?m)^{name}\s*=\s*.+$', f'{name} = {value!r}')


opts = parse_options()
transform = compose_functions(
    property_setter('VARIANT', opts.variant),
    property_setter('UPDATE_HINT', opts.update_message)
)

write_file(VERSION_FILE, transform(read_file(VERSION_FILE)))