config.py 文件源码

def __init__(self, path=None):
        """

        :param string path: (Optional) Path to config file location.
        """
        self._path = path
        self._data = {}

        # Use CHEMDATAEXTRACTOR_CONFIG environment variable if set
        if not self._path:
            self._path = os.environ.get('CHEMDATAEXTRACTOR_CONFIG')
        # Use OS-dependent config directory given by appdirs
        if not self._path:
            self._path = os.path.join(appdirs.user_config_dir('ChemDataExtractor'), 'chemdataextractor.yml')
        if os.path.isfile(self.path):
            with io.open(self.path, encoding='utf8') as f:
                self._data = yaml.safe_load(f)