Music-Downloader/command/settings.py

from helper import console
from helper.settings import Settings


def settings():
    while True:
        setting = console.option_picker('Choose which setting to change',
                              Settings.__list__,
                              quit=True,
                              objects=[
                                  '__id__',
                                  'x.name',
                                  'x.str_value'
                              ],
                              table=[
                                  ('ID', 2),
                                  ('Setting', 20),
                                  ('Value', 100)
                              ])

        if setting is None:
            console.output('Saving settings...')
            Settings.write()
            console.output('Settings saved')
            break
        else:
            entry = Settings.__list__[setting]

            value = console.ask_input('Enter new value', entry.type, quit=True)

            if value is None:
                console.output('Value not changed', console.DBG_INFO)
                continue
            else:
                console.output('Changing value of {x.name} from {x.value} to {new}'.format(x=entry, new=value), console.DBG_INFO)
                entry.set(value)
    return True