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bpo-22257: Mention startup refactoring in What's New #4286

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ncoghlan
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@ncoghlan ncoghlan commented Nov 5, 2017

While technically a purely internal change, bpo-31845 was
a fairly significant externally visible bug caused by
these changes (environment variable based configuration
was being ignored due to a change in the relative order
of reading the environment and reading command line settings,
and the test suite was only testing the command line options)

Hence this note to essentially say "If you see odd startup
problems in 3.7 that you've never seen in previous releases,
it's probably our fault, so let us know, and we'll fix it".

https://bugs.python.org/issue22257

While technically a purely internal change, bpo-31845 was
a fairly significant externally visible bug caused by
these changes (environment variable based configuration
was being ignored due to a change in the relative order
of reading the environment and reading command line settings,
and the test suite was only testing the command line options)

Hence this note to essentially say "If you see odd startup
problems in 3.7 that you've never seen in previous releases,
it's probably our fault, so let us know, and we'll fix it".
@ncoghlan
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ncoghlan commented Nov 5, 2017

@ericsnowcurrently The review request was mainly to make sure you saw that I'd added this note, but also feel free to amend it if you think the wording could be improved :)

embray pushed a commit to embray/cpython that referenced this pull request Nov 9, 2017
While technically a purely internal change, bpo-31845 was
a fairly significant externally visible bug caused by
these changes (environment variable based configuration
was being ignored due to a change in the relative order
of reading the environment and reading command line settings,
and the test suite was only testing the command line options)

Hence this note to essentially say "If you see odd startup
problems in 3.7 that you've never seen in previous releases,
it's probably our fault, so let us know, and we'll fix it".
@ncoghlan ncoghlan deleted the bpo-22257-pep-432-refactoring-notice branch March 30, 2018 07:51
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3 participants