Better error handling in ctypes

[serhiy-storchaka]

BPO	32787
Nosy	@amauryfa, @abalkin, @meadori, @serhiy-storchaka
PRs	bpo-32787: Better error handling in ctypes. #3727

^{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 = <Date 2018-12-05.15:46:25.918>
created_at = <Date 2018-02-07.11:46:10.191>
labels = ['extension-modules', 'ctypes', 'type-feature', '3.8']
title = 'Better error handling in ctypes'
updated_at = <Date 2018-12-05.15:46:25.917>
user = 'https://github.com/serhiy-storchaka'

bugs.python.org fields:

activity = <Date 2018-12-05.15:46:25.917>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = True
closed_date = <Date 2018-12-05.15:46:25.918>
closer = 'serhiy.storchaka'
components = ['Extension Modules', 'ctypes']
creation = <Date 2018-02-07.11:46:10.191>
creator = 'serhiy.storchaka'
dependencies = []
files = []
hgrepos = []
issue_num = 32787
keywords = ['patch']
message_count = 2.0
messages = ['311785', '331120']
nosy_count = 4.0
nosy_names = ['amaury.forgeotdarc', 'belopolsky', 'meador.inge', 'serhiy.storchaka']
pr_nums = ['3727']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue32787'
versions = ['Python 3.8']

[serhiy-storchaka]

The proposed patch makes unexpected errors raised when look up an attribute or a key in a dict (like MemoryError, KeyboardInterrupt, etc) be leaked to a user instead of be overridden by TypeError or AttributeError.

[serhiy-storchaka]

New changeset 398bd27 by Serhiy Storchaka in branch 'master':
bpo-32787: Better error handling in ctypes. (bpo-3727)
398bd27