config

#!/usr/bin/python3

import json
import os
import sys
import yaml

app_data_path = '/var/lib/apps/camlistore.sergiusens/0.8/'
system_config_file = os.path.join(
    app_data_path,
    '.config/camlistore/server-config.json')

def main():
    if len(sys.argv) == 1:
        set_config()
        sys.exit(0)
    elif len(sys.argv) == 2:
        config_file = sys.argv[1]
        set_config(config_file)
    else:
        print("expecting only one argument")
        sys.exit(1)


def set_config(config_file=None):
    if config_file:
        with open(config_file, 'r') as f:
            new_config = yaml.load(f)
    else:
        new_config = yaml.load(sys.stdin)

    with open(system_config_file, 'r') as f:
        system_config = json.load(f)

    if 'url' in new_config:
        system_config['baseUrl'] = new_config['url']

    if 'auth' in new_config:
        system_config['auth'] = new_config['auth']

    with open(system_config_file, 'w') as f:
        json.dump(system_config, f, indent=4)


if __name__ == '__main__':
    main()