# Copyright 2014 Amazon.com, Inc. or its affiliates. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"). You # may not use this file except in compliance with the License. A copy of # the License is located at # # http://aws.amazon.com/apache2.0/ # # or in the "license" file accompanying this file. This file is # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF # ANY KIND, either express or implied. See the License for the specific # language governing permissions and limitations under the License. from awscli.customizations.s3.fileinfo import FileInfo class FileInfoBuilder(object): """ This class takes a ``FileBase`` object's attributes and generates a ``FileInfo`` object so that the operation can be performed. """ def __init__(self, client, source_client=None, parameters = None, is_stream=False): self._client = client self._source_client = client if source_client is not None: self._source_client = source_client self._parameters = parameters self._is_stream = is_stream def call(self, files): for file_base in files: file_info = self._inject_info(file_base) yield file_info def _inject_info(self, file_base): file_info_attr = {} file_info_attr['src'] = file_base.src file_info_attr['dest'] = file_base.dest file_info_attr['compare_key'] = file_base.compare_key file_info_attr['size'] = file_base.size file_info_attr['last_update'] = file_base.last_update file_info_attr['src_type'] = file_base.src_type file_info_attr['dest_type'] = file_base.dest_type file_info_attr['operation_name'] = file_base.operation_name file_info_attr['parameters'] = self._parameters file_info_attr['is_stream'] = self._is_stream file_info_attr['associated_response_data'] = file_base.response_data # This is a bit quirky. The below conditional hinges on the --delete # flag being set, which only occurs during a sync command. The source # client in a sync delete refers to the source of the sync rather than # the source of the delete. What this means is that the client that # gets called during the delete process would point to the wrong region. # Normally this doesn't matter because DNS will re-route the request # to the correct region. In the case of s3v4 signing, however, this # would result in a failed delete. The conditional below fixes this # issue by swapping clients only in the case of a sync delete since # swapping which client is used in the delete function would then break # moving under s3v4. if (file_base.operation_name == 'delete' and self._parameters.get('delete')): file_info_attr['client'] = self._source_client file_info_attr['source_client'] = self._client else: file_info_attr['client'] = self._client file_info_attr['source_client'] = self._source_client return FileInfo(**file_info_attr)