[issue38820] Make Python compatible with OpenSSL 3.0.0

[Christian Heimes]

New submission from Christian Heimes <lists at cheimes.de>:

OpenSSL 3.0.0 is currently development [1]. I'm expecting a first beta release in December. Final release is scheduled for Q2 2020. OpenSSL 3.0.0 is API and feature compatible to OpenSSL 1.1.0 and 1.1.1. Only minor changes are required:

* OpenSSL version number is >= 3.0.0, which breaks test_openssl_version
* GENERAL_NAME_print() no longer adds trailing newline to IPv6 address strings. 
* ERR_func_error_string is deprecated

[1] https://www.openssl.org/blog/blog/2019/11/07/3.0-update/

----------
assignee: christian.heimes
components: SSL
messages: 356750
nosy: christian.heimes
priority: high
severity: normal
status: open
title: Make Python compatible with OpenSSL 3.0.0
type: enhancement
versions: Python 3.7, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38820>
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