[ARROW-2270] [Python] ForeignBuffer doesn't tie Python object lifetime to C++ buffer lifetime

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.9.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/18227
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 06/Mar/18 10:54
• Updated: 11/Jan/23 07:19
• Resolved: 09/Mar/18 04:32

Description

ForeignBuffer keeps the reference to the Python base object in the Python wrapper class, not in the C++ buffer instance, meaning if the C++ buffer gets passed around but the Python wrapper gets destroyed, the reference to the original Python base object will be released.

Issue Links

• links to: GitHub Pull Request #1714