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https://issues.apache.org/jira/browse/ARROW-15910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17506951#comment-17506951
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Joris Van den Bossche commented on ARROW-15910:
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The first error is expected I _think_, because you can either pass a URI (with
"gs://") or either a path + filesystem object (in which case the file path
cannot contain "gs://"). And since we do not yet expose GCS filesystem
discovery in python, the only option is to do it via the fsspec filesystem, and
thus you have to pass a file path and not URI.
bq. Removing the gs:// from file_path results in a FileNotFoundError. Any
variation of / or // at the beginning of the path gives me the 'outside base
dir' error.
So this would then be expected to work (remove the gs://).
Can you show the full error traceback from
{{pq.read_table(file_path,filesystem=fs)}} (with file_path without gs://)?
> [Python] pyarrow.parquet.read_table either returns FileNotFound or
> ArrowInvalid
> -------------------------------------------------------------------------------
>
> Key: ARROW-15910
> URL: https://issues.apache.org/jira/browse/ARROW-15910
> Project: Apache Arrow
> Issue Type: Bug
> Components: Parquet, Python
> Affects Versions: 6.0.1, 7.0.0
> Environment: GCP JupyterLab notebooks
> Reporter: Callista Rogers
> Priority: Major
>
> running below results in {{"GetFileIno() yielded path
> 'myBucket/features/MyParquet.parquet/year=2022/part-0019.snappy.parquet'
> which is outside base dir 'gs://myBucket/features/MyParquet.parquet/' "}}
> {code}
> import pyarrow.parquet as pq
> import gcsfs
> file_path="gs://myBucket/features/MyParquet.parquet/"
> fs=gcsfs.GCSFileSystem()
> table=pq.read_table(file_path,filesystem=fs)
> {code}
> Removing the gs:// from file_path results in a {{FileNotFoundError}}. Any
> variation of / or // at the beginning of the path gives me the 'outside base
> dir' error.
> I also ran the below and got valid results using both file_path patterns, so
> I know it finds the path just fine.
> {code}
> from pyarrow.fs import FileSelector, PyFileSystem, FSSpecHandler
> filesys = PyFileSystem(FSSpecHandler(fs))
> selector = FileSelector(file_path, recursive=True)
> filesys.get_file_info(selector)
> {code}
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