[jira] [Commented] (ARROW-3162) [Python] Enable Flight servers to be implemented in pure Python

["Wes McKinney (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-3162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16624024#comment-16624024 ] 

Wes McKinney commented on ARROW-3162:
-------------------------------------

The likely way to accomplish this will be to create an implementation of {{arrow::flight::FlightServerBase}} in libarrow_python that takes the Python class implementing specific callback functions having a certain API. Opaque data from the server API will be passed to Python as pyarrow.Buffer objects or PyBytes as appropriate

> [Python] Enable Flight servers to be implemented in pure Python
> ---------------------------------------------------------------
>
>                 Key: ARROW-3162
>                 URL: https://issues.apache.org/jira/browse/ARROW-3162
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Python
>            Reporter: Wes McKinney
>            Priority: Major
>              Labels: flight
>             Fix For: 0.12.0
>
>
> While it will be straightforward to offer a Flight client to Python users, enabling _servers_ to be written _in Python_ will require a glue class to invoke methods on a provided server implementation, coercing to and from various Python objects and Arrow wrapper classes



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