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put_object: add append object support #1493

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Merged
merged 1 commit into from
Apr 26, 2025
Merged

put_object: add append object support #1493

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13 changes: 12 additions & 1 deletion minio/api.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
# pylint: disable=too-many-lines
# pylint: disable=too-many-public-methods
# pylint: disable=too-many-statements
# pylint: disable=too-many-locals

"""
Simple Storage Service (aka S3) client to perform bucket and object operations.
Expand Down Expand Up @@ -1835,7 +1836,8 @@ def put_object(
num_parallel_uploads: int = 3,
tags: Tags | None = None,
retention: Retention | None = None,
legal_hold: bool = False
legal_hold: bool = False,
write_offset: int | None = None,
) -> ObjectWriteResult:
"""
Uploads data from a stream to an object in a bucket.
Expand All @@ -1854,6 +1856,7 @@ def put_object(
:param tags: :class:`Tags` for the object.
:param retention: :class:`Retention` configuration object.
:param legal_hold: Flag to set legal hold for the object.
:param write_offset: Offset byte for appending data to existing object.
:return: :class:`ObjectWriteResult` object.

Example::
Expand Down Expand Up @@ -1890,13 +1893,21 @@ def put_object(
raise ValueError("retention must be Retention type")
if not callable(getattr(data, "read")):
raise ValueError("input data must have callable read()")
if write_offset is not None:
if write_offset < 0:
raise ValueError("write offset should not be negative")
if length < 0:
raise ValueError("length must be provided for write offset")
part_size = length if length > MIN_PART_SIZE else MIN_PART_SIZE
part_size, part_count = get_part_info(length, part_size)
if progress:
# Set progress bar length and object name before upload
progress.set_meta(object_name=object_name, total_length=length)

headers = genheaders(metadata, sse, tags, retention, legal_hold)
headers["Content-Type"] = content_type or "application/octet-stream"
if write_offset:
headers["x-amz-write-offset-bytes"] = str(write_offset)

object_size = length
uploaded_size = 0
Expand Down