Alexander Schepanovski created ARROW-6248:
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Summary: [Python] Use FileNotFoundError in HadoopFileSystem.open()
in Python 3
Key: ARROW-6248
URL: https://issues.apache.org/jira/browse/ARROW-6248
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Affects Versions: 0.14.1
Reporter: Alexander Schepanovski
When file is absent pyarrow throwsÂ
{code:python}
ArrowIOError('HDFS file does not exist: ...')
{code}
which inherits from {{IOError}} and {{pyarrow.lib.ArrowException}}, it would be
better if that was {{FileNotFoundError}} a subclass of {{IOError}} for this
particular purpose. Also, {{.errno}} property is empty (should be 2) so one
needs to match by error message to check for particular error.
*P.S.* There is no {{FileNotFoundError}} in Python 2, but there is `.errno`
property there.
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