settings.py 文件源码

def load_config(path):
    # TODO: support old-style setting names? i.e. pass them through ARGS_TO_SETTINGS ?
    data = {}
    yaml_err = ""
    if useYAML:
        try:
            # this assumes only one document
            with open(path, encoding='utf8') as infp:
                data = yaml_load(infp, Loader=YAMLLoader)
        except FileNotFoundError:
            return {}
        except YAMLError as e:
            yaml_err = 'YAML parsing error in file {}'.format(path)
            if hasattr(e, 'problem_mark'):
                mark = e.problem_mark
                yaml_err + '\nError on Line:{} Column:{}'.format(mark.line + 1, mark.column + 1)
        else:
            return _convert_old_config(data)
    try:
        with open(path, encoding='utf8') as infp:
            data = json.load(infp)
    except FileNotFoundError:
        return {}
    except json.JSONDecodeError as e:
        if useYAML and yaml_err:
            print(yaml_err)
        else:
            print('JSON parsing error in file {}'.format(path),
                  'Error on Line: {} Column: {}'.format(e.lineno, e.colno), sep='\n')

    data = _convert_old_config(data)

    # if 'directory' in data:
    #     for k, v in data['directory'].items():
    #         data['directory'][k] = os.path.expanduser(v)

    return data