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https://issues.apache.org/jira/browse/ARROW-14930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17458257#comment-17458257
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Antoine Pitrou commented on ARROW-14930:
----------------------------------------
I tried reproducing by creating a single file in an empty bucket using
{{s3cmd}}:
{code:bash}
$ s3cmd --no-ssl --host=localhost:8000
--host-bucket="%(bucket)s.localhost:8000" --access_key=accessKey1
--secret_key=verySecretKey1 put setup.cfg s3://bucket/foo/bar.txt
upload: 'setup.cfg' -> 's3://bucket/foo/bar.txt' [1 of 1]
1075 of 1075 100% in 0s 109.75 kB/s done
{code}
And it still works properly with PyArrow:
{code:python}
>>> f = fs.S3FileSystem(scheme='http', access_key='accessKey1',
>>> secret_key='verySecretKey1', endpoint_override='localhost:8000')
>>> f.get_file_info(fs.FileSelector('/', recursive=True))
[<FileInfo for 'bucket': type=FileType.Directory>,
<FileInfo for 'bucket/foo': type=FileType.Directory>,
<FileInfo for 'bucket/foo/bar.txt': type=FileType.File, size=1075>]
>>> f.get_file_info('bucket')
<FileInfo for 'bucket': type=FileType.Directory>
>>> f.get_file_info('bucket/foo')
<FileInfo for 'bucket/foo': type=FileType.Directory>
>>> f.get_file_info('bucket/foo/bar.txt')
<FileInfo for 'bucket/foo/bar.txt': type=FileType.File, size=1075>
{code}
even though s3cmd itself doesn't see the "directory":
{code:bash}
$ s3cmd --no-ssl --host=localhost:8000
--host-bucket="%(bucket)s.localhost:8000" --access_key=accessKey1
--secret_key=verySecretKey1 info s3://bucket/foo
ERROR: S3 error: 404 (Not Found)
{code}
> [C++][Python] FileNotFound with Scality accessed through S3 APIs
> ----------------------------------------------------------------
>
> Key: ARROW-14930
> URL: https://issues.apache.org/jira/browse/ARROW-14930
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Python
> Affects Versions: 6.0.1
> Environment: linux + python 3.8
> Reporter: Luis Morales
> Priority: Major
> Labels: s3
> Fix For: 6.0.2
>
>
> When using dataset.Dataset with S3FileSystem with compatible S3 object
> sotrage, get an FileNotFoundError.
>
> My code:
>
> scality = fs.S3FileSystem(access_key='accessKey1',
> secret_key='verySecretKey1', endpoint_override="http://localhost:8000";,
> region="")
> data = ds.dataset("dasynth/parquet/taxies/2019_june/", format="parquet",
> partitioning="hive", filesystem=scality)
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