[ARROW-5205] [Python][C++] Improved error messages when user erroneously uses a non-local resource URI to open a file

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: C++, Python
• External issue URL: https://github.com/apache/arrow/issues/21680
• Assignee: Unassigned
• Reporter: Wes McKinney
• Created: 23/Apr/19 20:10
• Updated: 11/Jan/23 07:38

Description

In a number of places if a string filepath is passed, it is assumed to be a local file. Since we are developing better support for file URIs, we may be able to detect that the user has passed an unsupported URI (e.g. something starting with "s3:" or "hdfs:") and return a better error message than "local file not found"

see

https://stackoverflow.com/questions/55704943/what-could-be-the-explanation-of-this-pyarrow-lib-arrowioerror/55707311#55707311

Issue Links

• links to: GitHub Pull Request #4210