Add s3 get_multipart_uploads. (#5036)

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src/toil/lib/aws/s3.py

@@ -0,0 +1,25 @@
+# Copyright (C) 2015-2024 Regents of the University of California
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License 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.
+import logging
+from typing import List
+from toil.lib.aws import session, AWSServerErrors
+from toil.lib.retry import retry
+
+logger = logging.getLogger(__name__)
+
+
+@retry(errors=[AWSServerErrors])
+def list_multipart_uploads(bucket: str, region: str, prefix: str, max_uploads: int = 1) -> List[str]:
+    s3_client = session.client("s3", region_name=region)
+    return s3_client.list_multipart_uploads(Bucket=bucket, MaxUploads=max_uploads, Prefix=prefix)