[ARROW-2218] [Python] PythonFile should infer mode when not given

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.9.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/18182
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 26/Feb/18 17:28
• Updated: 11/Jan/23 07:19
• Resolved: 28/Feb/18 19:04

Description

The following is clearly not optimal:

>>> f = open('README.md', 'r')
>>> pa.PythonFile(f).mode
'wb'

Issue Links

• links to: GitHub Pull Request #1674