[issue35416] Fix potential resource warnings in distutils

[Mickaël Schoentgen]

New submission from Mickaël Schoentgen <contact at tiger-222.fr>:

I am looking to clean-up potential ResourceWarnings in distutils. The patch will provide 2 changes:
    - ensure file descriptor are always closed when it is not the case
    - and uniformization of the "with open(...)" use

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components: Distutils
messages: 331097
nosy: Tiger-222, dstufft, eric.araujo
priority: normal
severity: normal
status: open
title: Fix potential resource warnings in distutils
type: enhancement
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35416>
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