controllers.py 文件源码

 复制代码def format_s3_path(file, owner, dataset_name, path):
    format_params = dict(file)
    format_params.update({
        'owner': owner,
        'dataset': dataset_name,
        'path': path,
        'basename': os.path.basename(path),
        'dirname': os.path.dirname(path),
        'extension': os.path.splitext(path)[1],
    })
    if 'md5' in format_params:
        try:
            md5 = base64.b64decode(format_params['md5'])
            format_params['md5_hex'] = codecs.encode(md5, 'hex').decode('ascii')
        except Exception:
            pass

    try:
        s3path = config['STORAGE_PATH_PATTERN'].format(**format_params)
    except KeyError as e:
        msg = ('STORAGE_PATH_PATTERN contains variable not found in file info: %s' % e)
        raise ValueError(msg)

    return s3path