update s3 functions to support size_only check in sync_paths

src/aibs_informatics_aws_utils/s3.py

@@ -374,7 +374,7 @@ def upload_folder(
 
 @retry(ResponseStreamingError)
 def upload_file(
-    local_path: Path,
+    local_path: Union[str, Path],
     s3_path: S3URI,
     extra_args: Optional[Dict[str, Any]] = None,
     transfer_config: Optional[TransferConfig] = None,
@@ -384,7 +384,7 @@ def upload_file(
 ):
     s3_client = get_s3_client(**kwargs)
     if force or should_sync(
-        source_path=local_path, destination_path=s3_path, size_only=size_only, **kwargs
+        source_path=Path(local_path), destination_path=s3_path, size_only=size_only, **kwargs
     ):
         s3_client.upload_file(
             Filename=str(local_path),
@@ -527,15 +527,19 @@ def get_s3_path_stats(s3_path: S3URI, **kwargs) -> S3PathStats:
     )
 
 
+# TODO: Two things
+# 1. allow for a way to specify `size_only` for this function when transfering large number of files
+# 2. add flag for failing if no source data exists.
 def sync_paths(
     source_path: Union[Path, S3URI],
     destination_path: Union[Path, S3URI],
-    source_path_prefix: str = None,
+    source_path_prefix: Optional[str] = None,
     include: Optional[List[Pattern]] = None,
     exclude: Optional[List[Pattern]] = None,
     extra_args: Optional[Dict[str, Any]] = None,
     transfer_config: Optional[TransferConfig] = None,
     force: bool = False,
+    size_only: bool = False,
     delete: bool = False,
     **kwargs,
 ) -> List[S3TransferResponse]:
@@ -576,12 +580,17 @@ def sync_paths(
             destination_path=destination_path,
             source_path_prefix=source_path_prefix,
             extra_args=extra_args,
-            force=force,
         )
         for nested_source_path in nested_source_paths
     ]
 
-    responses = process_transfer_requests(*requests, transfer_config=transfer_config, **kwargs)
+    responses = process_transfer_requests(
+        *requests,
+        transfer_config=transfer_config,
+        force=force,
+        size_only=size_only,
+        **kwargs,
+    )
 
     if delete:
         logger.info(f"Sync: checking for files to delete following sync")
@@ -613,7 +622,6 @@ def generate_transfer_request(
     destination_path: Union[Path, S3URI],
     source_path_prefix: Optional[str] = None,
     extra_args: Optional[Dict[str, Any]] = None,
-    force: bool = True,
 ) -> S3TransferRequest:
     """Create a S3 transfer request
 
@@ -641,26 +649,43 @@ def generate_transfer_request(
         # This will be sanitized by S3URI class (removing double slashes)
         new_destination_path = S3URI(destination_path + relative_source_path)
         if isinstance(source_path, S3URI):
-            return S3CopyRequest(source_path, new_destination_path, force, extra_args=extra_args)
+            return S3CopyRequest(source_path, new_destination_path, extra_args=extra_args)
         else:
-            return S3UploadRequest(source_path, new_destination_path, force, extra_args=extra_args)
+            return S3UploadRequest(source_path, new_destination_path, extra_args=extra_args)
     elif isinstance(source_path, S3URI) and isinstance(destination_path, Path):
         local_destination_path: Path = (
             Path(get_path_with_root(relative_source_path, destination_path))
             if relative_source_path
             else destination_path
         )
-        return S3DownloadRequest(source_path, local_destination_path, force)
+        return S3DownloadRequest(source_path, local_destination_path)
     else:
         raise ValueError("Local to local transfer is not ")
 
 
 def process_transfer_requests(
     *transfer_requests: S3TransferRequest,
     transfer_config: Optional[TransferConfig] = None,
+    force: bool = False,
+    size_only: bool = False,
     suppress_errors: bool = False,
     **kwargs,
 ) -> List[S3TransferResponse]:
+    """Process a list of S3 transfer requests
+
+    Args:
+        transfer_config (Optional[TransferConfig]): transfer config.
+            Defaults to None.
+        force (bool): Whether to force the transfer.
+            Defaults to False.
+        size_only (bool): Whether to only check size when transferring.
+            Defaults to False.
+        suppress_errors (bool): Whether to suppress errors.
+            Defaults to False.
+
+    Returns:
+        List[S3TransferResponse]: List of transfer responses
+    """
     transfer_responses = []
 
     for request in transfer_requests:
@@ -671,7 +696,8 @@ def process_transfer_requests(
                     destination_path=request.destination_path,
                     extra_args=request.extra_args,
                     transfer_config=transfer_config,
-                    force=request.force,
+                    force=force,
+                    size_only=size_only,
                     **kwargs,
                 )
             elif isinstance(request, S3UploadRequest):
@@ -680,7 +706,8 @@ def process_transfer_requests(
                     s3_path=request.destination_path,
                     extra_args=request.extra_args,
                     transfer_config=transfer_config,
-                    force=request.force,
+                    force=force,
+                    size_only=size_only,
                     **kwargs,
                 )
             elif isinstance(request, S3DownloadRequest):
@@ -697,7 +724,8 @@ def process_transfer_requests(
                         s3_path=request.source_path,
                         local_path=request.destination_path,
                         transfer_config=transfer_config,
-                        force=request.force,
+                        force=force,
+                        size_only=size_only,
                         **kwargs,
                     )
             transfer_responses.append(S3TransferResponse(request, False))
@@ -716,7 +744,12 @@ def process_transfer_requests(
 copy_s3_path = sync_paths
 
 
-@retry(ClientError, [lambda ex: client_error_code_check(ex, "SlowDown")])
+client_error_code_check__SlowDown: Callable[[Exception], bool] = lambda ex: isinstance(
+    ex, ClientError
+) and client_error_code_check(ex, "SlowDown")
+
+
+@retry(ClientError, [client_error_code_check__SlowDown])
 def copy_s3_object(
     source_path: S3URI,
     destination_path: S3URI,
@@ -890,7 +923,7 @@ def list_s3_paths(
     s3 = get_s3_client(**kwargs)
 
     def match_results(value: str, patterns: List[Pattern]) -> List[bool]:
-        return [_.match(value) for _ in patterns]
+        return [_.match(value) is not None for _ in patterns]
 
     paginator = s3.get_paginator("list_objects_v2")
 
@@ -1013,6 +1046,7 @@ def should_sync(
                 dest_local_path, multipart_chunk_size_bytes, multipart_threshold_bytes
             )
     else:
+        logger.warning(f"Destination path {destination_path} does not exist as a file or object.")
         return True
 
     if isinstance(source_path, S3URI) and is_object(source_path):
@@ -1156,7 +1190,7 @@ def update_s3_storage_class(
         print(
             f"debug: current storage class: {s3_obj.storage_class}, target: {target_storage_class}"
         )
-        current_storage_class = S3StorageClass.from_boto_s3_obj(s3_obj)
+        current_storage_class = S3StorageClass.from_boto_s3_obj(s3_obj)  # type: ignore[arg-type]
         # Current storage class matches target: No-op
         if current_storage_class == target_storage_class:
             continue