amazon s3 - Setting metadata on S3 multipart upload -

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i'd upload file s3 in parts, , set metadata on file. i'm using boto interact s3. i'm able set metadata single-operation uploads so:

is there way set metadata multipart upload? i've tried this method of copying key change metadata, fails error: invalidrequest: specified copy source larger maximum allowable size copy source: <size>

i've tried doing following:

key = bucket.create_key(key_name) key.set_metadata('some-key', 'value') <multipart upload>

...but multipart upload overwrites metadata.

i'm using code similar this multipart upload.

faced such issue earlier today , discovered there no information on how right. code example on how solved issue provided below.

        $uploader = new multipartuploader($client, $source, [         'bucket' => $bucketname,         'key' => $filename,         'before_initiate' => function (\aws\command $command) {             $command['contenttype'] = 'application/octet-stream';             $command['contentdisposition'] = 'attachment';         },     ]);

unfortunately, documentation https://docs.aws.amazon.com/aws-sdk-php/v3/guide/service/s3-multipart-upload.html#customizing-a-multipart-upload doesn't make clear , easy understand if you'd provide alternative meta data multipart upload have go way.

i hope help.


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