loader.py 文件源码

def __init__(self, log=None):
        """A base class for config loaders.

        log : instance of :class:`logging.Logger` to use.
              By default loger of :meth:`traitlets.config.application.Application.instance()`
              will be used

        Examples
        --------

        >>> cl = ConfigLoader()
        >>> config = cl.load_config()
        >>> config
        {}
        """
        self.clear()
        if log is None:
            self.log = self._log_default()
            self.log.debug('Using default logger')
        else:
            self.log = log