Source code for pisak.settings

"""
Management center of any PISAK settings. Declares one class that loads the main
configuration file and stores all the settings.
"""
import configobj

from pisak import logger, dirs


_LOG = logger.get_logger(__name__)


class Config(configobj.ConfigObj):
    """
    Default configuration object.
    """

    def __init__(self):
        super().__init__(encoding="UTF-8")
        self._load_defaults()

    def _load_defaults(self):
        defaults = dirs.get_general_configs()
        self.update_config(defaults)

    def update_config(self, config_paths):
        """
        Updates the already existing config with content of some another
        given config files. Overwrites all the common properties.

        :param config_paths: single path to a config file or list of paths
        """
        if isinstance(config_paths, str):
            config_paths = [config_paths]
        if isinstance(config_paths, list):
            for path in config_paths:
                try:
                    self.merge(configobj.ConfigObj(path, encoding='UTF8'))
                except configobj.ConfigObjError as error:
                    _LOG.warning(error)
        else:
            message = "{} is not permitted type for the config paths." \
                      "Config paths must be either a list or a single string".\
                    format(type(config_paths))
            _LOG.error(message)
            raise TypeError(message)