Port curses capi pointer array to a struct

[shihai1991]

BPO	43009
Nosy	@vstinner, @shihai1991, @erlend-aasland
PRs	gh-87175: Port curses capi pointer array to a struct. #24304

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/shihai1991'
closed_at = None
created_at = <Date 2021-01-23.12:33:41.746>
labels = ['type-feature', '3.10']
title = 'Port curses capi pointer array to a struct'
updated_at = <Date 2021-01-29.09:52:57.380>
user = 'https://github.com/shihai1991'

bugs.python.org fields:

activity = <Date 2021-01-29.09:52:57.380>
actor = 'erlendaasland'
assignee = 'shihai1991'
closed = False
closed_date = None
closer = None
components = []
creation = <Date 2021-01-23.12:33:41.746>
creator = 'shihai1991'
dependencies = []
files = []
hgrepos = []
issue_num = 43009
keywords = ['patch']
message_count = 6.0
messages = ['385532', '385881', '385899', '385900', '385902', '385903']
nosy_count = 3.0
nosy_names = ['vstinner', 'shihai1991', 'erlendaasland']
pr_nums = ['24304']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue43009'
versions = ['Python 3.10']

[shihai1991]

As the title mentioned. A entire py_curses capi struct would be better than pointer array.

Related PR: PR 24186

[erlend-aasland]

The _decimal API is also just an array of pointers. Should we change that to a struct as well?

[shihai1991]

The _decimal API is also just an array of pointers. Should we change that to a struct as well?

+1. IMHO, structure is more directly than pointer array. And there haven't exposing this pointer array to users(no backward compatibility).

[erlend-aasland]

+1. IMHO, structure is more directly than pointer array. And there haven't exposing this pointer array to users(no backward compatibility).

Good. I'll open a separate issue and give it a try. Thanks!

[shihai1991]

The _decimal API is also just an array of pointers. Should we change that to a struct as well?

Hi, victor. Do you have suggestion about it :)

[erlend-aasland]

FYI: I've opened bpo-43060 for the decimal module.