config.py 文件源码

def read(self, filenames=None, encoding=None, touch=False):
        filenames = filenames or []

        super().read(filenames, encoding=encoding)
        self.input_filenames += filenames

        # TODO: deprecate touch? see ctor
        if not self.filename.exists() and touch:
            self.filename.touch()

        with open(str(self.filename), encoding=encoding) as fp:
            self.read_file(fp, source=str(self.filename))

        return self