Not obvious that new required attrs of sys.implementation must have a PEP.

[ericsnowcurrently]

BPO	37284
Nosy	@ericsnowcurrently, @csabella, @miss-islington, @potomak
PRs	bpo-37284: Add note to sys.implementation doc #14328 [3.8] bpo-37284: Add note to sys.implementation doc (GH-14328) #14783 [3.7] bpo-37284: Add note to sys.implementation doc (GH-14328) #14784

^{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 2019-07-15.14:47:22.774>
created_at = <Date 2019-06-14.18:02:41.302>
labels = ['easy', '3.7', '3.8', '3.9', 'docs']
title = 'Not obvious that new required attrs of sys.implementation must have a PEP.'
updated_at = <Date 2019-07-15.14:47:52.716>
user = 'https://github.com/ericsnowcurrently'

bugs.python.org fields:

activity = <Date 2019-07-15.14:47:52.716>
actor = 'eric.snow'
assignee = 'docs@python'
closed = True
closed_date = <Date 2019-07-15.14:47:22.774>
closer = 'eric.snow'
components = ['Documentation']
creation = <Date 2019-06-14.18:02:41.302>
creator = 'eric.snow'
dependencies = []
files = []
hgrepos = []
issue_num = 37284
keywords = ['patch', 'easy']
message_count = 6.0
messages = ['345624', '346313', '347964', '347965', '347966', '347967']
nosy_count = 5.0
nosy_names = ['docs@python', 'eric.snow', 'cheryl.sabella', 'miss-islington', 'potomak']
pr_nums = ['14328', '14783', '14784']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue37284'
versions = ['Python 3.7', 'Python 3.8', 'Python 3.9']

[ericsnowcurrently]

PEP-421 added sys.implementation for Python implementors to provide values required by stdlib code (e.g. importlib). That PEP indicates that any new required attributes must go through the PEP process. [1] That requirement isn't obvious.

To fix that we should add a brief note to the sys.implementation docs [2] identifying the requirement.

[1] https://www.python.org/dev/peps/pep-0421/#adding-new-required-attributes
[2] https://docs.python.org/3/library/sys.html#sys.implementation

[potomak]

Hi,

I'd like to claim this task if nobody else already started working on it.

[miss-islington]

New changeset 52693c1 by Miss Islington (bot) (Giovanni Cappellotto) in branch 'master':
bpo-37284: Add note to sys.implementation doc (GH-14328)
52693c1

[miss-islington]

New changeset 134f796 by Miss Islington (bot) in branch '3.7':
bpo-37284: Add note to sys.implementation doc (GH-14328)
134f796

[miss-islington]

New changeset 1ff4c42 by Miss Islington (bot) in branch '3.8':
bpo-37284: Add note to sys.implementation doc (GH-14328)
1ff4c42

[ericsnowcurrently]

@potomak, thanks for doing this!