Missing isolated (-I) flag in sys.flags table

[danishprakash]

BPO	34901
Nosy	@terryjreedy, @ned-deily, @miss-islington, @tirkarthi, @danishprakash
PRs	bpo-34901: add isolated (-I) flag to sys.flags #9708 [3.7] bpo-34901: add isolated (-I) flag to sys.flags (GH-9708) #9749 [3.6] bpo-34901 - add isolated (-I) flag to sys.flags (GH-9708) #9755

^{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 2018-10-22.22:01:57.156>
created_at = <Date 2018-10-05.04:16:39.968>
labels = ['3.7', '3.8', 'docs']
title = 'Missing isolated (-I) flag in sys.flags table'
updated_at = <Date 2018-10-22.22:01:57.155>
user = 'https://github.com/danishprakash'

bugs.python.org fields:

activity = <Date 2018-10-22.22:01:57.155>
actor = 'ned.deily'
assignee = 'docs@python'
closed = True
closed_date = <Date 2018-10-22.22:01:57.156>
closer = 'ned.deily'
components = ['Documentation']
creation = <Date 2018-10-05.04:16:39.968>
creator = 'danishprakash'
dependencies = []
files = []
hgrepos = []
issue_num = 34901
keywords = ['patch']
message_count = 9.0
messages = ['327103', '327107', '327111', '327273', '327282', '327297', '327909', '328276', '328277']
nosy_count = 6.0
nosy_names = ['terry.reedy', 'ned.deily', 'docs@python', 'miss-islington', 'xtreak', 'danishprakash']
pr_nums = ['9708', '9749', '9755']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue34901'
versions = ['Python 3.6', 'Python 3.7', 'Python 3.8']

[tirkarthi]

Thanks for the PR @danishprakash . -I was added as part of 3.4 with commit ad73a9c and not backported to 2.7 . Also 3.4 and 3.5 branches are in security fixes mode. So I am removing 2.7, 3.4 and 3.5 .

[danishprakash]

thank you for for making the corrections, however, what's with a version being in security fixes mode? I would like to read more about that.

[tirkarthi]

Every release has a PEP associated with it from 3.6 and above that says about the lifespan of the release with bug fix releases and the time where it enters security fixes only mode. Now 3.4 and 3.5 are in security fixes mode where only security updates for the most part are accepted and the changes are pulled in by the release manager to the respective branches. Also there will be no binary releases and only source releases for security only branches.

Python 3.5.6 security announcement : https://www.python.org/downloads/release/python-356/

Python 3.5 has now entered "security fixes only" mode, and as such the only changes since Python 3.5.4 are security fixes. Also, Python 3.5.6 has only been released in source code form; no more official binary installers will be produced.

Python 3.8 release lifespan : https://www.python.org/dev/peps/pep-0569/#lifespan

So I have removed 3.4 and 3.5 but it's up to the reviewer to decide if this needs to be backported or not to those branches. I hope I am correct on the above.

[danishprakash]

Thanks for the concise explanation, that makes sense.

Also there will be no binary releases and only source releases for security only branches.

Is there any particular reason as to why this happens? IS it just to make it easier for the team to focus on the development of current versions or something else?

[miss-islington]

New changeset c59e75c by Miss Islington (bot) in branch '3.7':
bpo-34901: add isolated (-I) flag to sys.flags (GH-9708)
c59e75c

[tirkarthi]

> Also there will be no binary releases and only source releases for security only branches.

Is there any particular reason as to why this happens? IS it just to make it easier for the team to focus on the development of current versions or something else?

Sorry, I don't have a better explanation over the workflow.

[terryjreedy]

In spite of what is said above, PR 9708 was merged before the auto-backport.

[ned-deily]

New changeset da7d7d0 by Ned Deily (danishprakash) in branch '3.6':
[3.6] bpo-34901: add -I flag to sys.flags (GH-9755)
da7d7d0

[ned-deily]

Thanks, Danish and everyone else!