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https://issues.apache.org/jira/browse/ARROW-18290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17633780#comment-17633780
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Antoine Pitrou commented on ARROW-18290:
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I'll note that the GH comment quoted above seems outdated: in a recent version
of the AWS SDK (1.9.259), {{URLEncodePathRFC3986}} is still defined but isn't
used anywhere. {{URI::GetURLEncodedPathRFC3986}} is used via
{{URI::GetURIString}}, though.
> [Python] `pyarrow.fs.copy_files` doesn't work if filenames contain special
> characters
> -------------------------------------------------------------------------------------
>
> Key: ARROW-18290
> URL: https://issues.apache.org/jira/browse/ARROW-18290
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Python
> Affects Versions: 6.0.1
> Reporter: Balaji Veeramani
> Priority: Minor
>
> I can't upload a file called `spam=ham` to a filesystem that emulates an S3
> API. I can workaround the issue by renaming the file `spam-ham`.
> To reproduce, run a filesystem that emulates an S3 API:
> {code:java}
> docker run -p 9444:9000 scireum/s3-ninja:latest
> {code}
> Authenticate with the filesystem:
> {code:java}
> export AWS_ACCESS_KEY_ID="AKIAIOSFODNN7EXAMPLE"
> export AWS_SECRET_ACCESS_KEY="wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
> {code}
> Then run this Python script:
> {code:python}
> import os
> import tempfile
> import pyarrow.fs
> source = tempfile.mkdtemp()
> file_path = os.path.join(source, "spam=ham")
> open(file_path, "w").close()
> filesystem, path = pyarrow.fs.FileSystem.from_uri(
> "s3://bucket?scheme=http&endpoint_override=localhost:9444"
> )
> pyarrow.fs.copy_files(source, path, destination_filesystem=filesystem)
> {code}
> You'll get the error
> {code:java}
> OSError: When initiating multiple part upload for key 'spam=ham' in bucket
> 'bucket': AWS Error [code 22]: The computed request signature does not match
> the one provided. Check login credentials. (Expected:
> e70ab9efb620f744abd43d13e8e6846c585a41da543bfb5da67d2fe1ccfd1aaa, Found:
> 648456e3441dad5a014b2981c71b6e69ccac9732bdcdbe2d363d95105d914340)
> {code}
> This issue is motivated by [https://github.com/ray-project/ray/issues/29845].
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