AIX: Lib/_aix_support.py may break in a WPAR environment

[aixtools]

BPO	43666
Nosy	@ambv, @aixtools, @miss-islington
PRs	bpo-43666: Lib/_aix_support.py routines may fail in a WPAR environment #25095 [3.9] bpo-43666: Lib/_aix_support.py routines may fail in a WPAR environment (GH-25095) #25880

^{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 = None
closed_at = None
created_at = <Date 2021-03-30.08:37:28.527>
labels = ['library', '3.9', '3.10']
title = 'AIX: Lib/_aix_support.py may break in a WPAR environment'
updated_at = <Date 2021-05-04.09:00:51.295>
user = 'https://github.com/aixtools'

bugs.python.org fields:

activity = <Date 2021-05-04.09:00:51.295>
actor = 'lukasz.langa'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-03-30.08:37:28.527>
creator = 'Michael.Felt'
dependencies = []
files = []
hgrepos = []
issue_num = 43666
keywords = ['patch']
message_count = 2.0
messages = ['389804', '392866']
nosy_count = 3.0
nosy_names = ['lukasz.langa', 'Michael.Felt', 'miss-islington']
pr_nums = ['25095', '25880']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue43666'
versions = ['Python 3.9', 'Python 3.10']

[aixtools]

When working in a WPAR (workload partition) the routines supporting aix_platform() may fail if there is no related builddate for bos.mp64.

a) the fileset queried is changed to bos.rte
b) an extreme value (9988) is returned for any similar (unexpected) situations - so that, in any case, the build of Python can proceed.

[ambv]

New changeset 7a92bee by Miss Islington (bot) in branch '3.9':
bpo-43666: Lib/_aix_support.py routines may fail in a WPAR environment (GH-25095) (bpo-25880)
7a92bee