[ARROW-819] [Python] Define public Cython API

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.4.0
• Component/s: Python
• External issue URL: https://github.com/apache/arrow/issues/16427
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 13/Apr/17 21:17
• Updated: 11/Jan/23 07:11
• Resolved: 13/May/17 19:44

Description

We have a handful of cdef api declarations, but it might be useful to have a proper pyarrow/api.pxd file and a prescribed implementation pattern for other Cython users to link to and use the Arrow types in other Python extensions