[ARROW-6531] [Python] Add detach() method to buffered streams

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22895
• Assignee: Antoine Pitrou
• Reporter: Wes McKinney
• Created: 11/Sep/19 15:51
• Updated: 11/Jan/23 07:47
• Resolved: 12/Sep/19 22:26

Description

BufferedOutputStream::Close closes the raw file handle unconditionally. This may be undesirable in some circumstances.

Some alternatives:

• Do not close it
• Only close it if the use_count of the shared_ptr is 1, so we know that no one else has a copy of the shared_ptr

Issue Links

• links to: GitHub Pull Request #5367