handlers.py 文件源码

def _quote_source_header_from_dict(source_dict):
    try:
        bucket = source_dict['Bucket']
        key = percent_encode(source_dict['Key'], safe=SAFE_CHARS + '/')
        version_id = source_dict.get('VersionId')
    except KeyError as e:
        raise ParamValidationError(
            report='Missing required parameter: %s' % str(e))
    final = '%s/%s' % (bucket, key)
    if version_id is not None:
        final += '?versionId=%s' % version_id
    return final