feat: Pr 839 s3 download checkpoint resume and unittest for s3 download

data_juicer/ops/mapper/__init__.py

@@ -74,6 +74,8 @@
     RemoveWordsWithIncorrectSubstringsMapper,
 )
 from .replace_content_mapper import ReplaceContentMapper
+from .s3_download_file_mapper import S3DownloadFileMapper
+from .s3_upload_file_mapper import S3UploadFileMapper
 from .sdxl_prompt2prompt_mapper import SDXLPrompt2PromptMapper
 from .sentence_augmentation_mapper import SentenceAugmentationMapper
 from .sentence_split_mapper import SentenceSplitMapper
@@ -173,6 +175,8 @@
     "RemoveTableTextMapper",
     "RemoveWordsWithIncorrectSubstringsMapper",
     "ReplaceContentMapper",
+    "S3DownloadFileMapper",
+    "S3UploadFileMapper",
     "SDXLPrompt2PromptMapper",
     "SentenceAugmentationMapper",
     "SentenceSplitMapper",