Joris Van den Bossche created ARROW-16719:
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Summary: [Python] Add path/URI /+ filesystem handling to
parquet.read_metadata
Key: ARROW-16719
URL: https://issues.apache.org/jira/browse/ARROW-16719
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Reporter: Joris Van den Bossche
Currently you can pass a local file path or file-like object, or a URI (eg
"s3://...") or path+filesystem combo to {{parquet.read_table}}.
But the {{parquet.read_metadata}} and {{parquet.read_schema}} methods (being a
small wrapper around {{ParquetFile}} only accept the local file path or
file-like object. I would propose to add the same path+filesystem handling to
those functions as happens in {{read_table}} to make the capabilities of those
consistent.
(I ran into this in geopandas, where we use {{read_table}} to read the actual
data, but also need {{read_metadata}} to inspect the actual Parquet
FileMetaData for metadata)
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