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build: update prerequisites on progress towards Python 3 #25766

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@cclauss cclauss commented Jan 28, 2019

As recommended at #25759 (comment)

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • documentation is changed or added
  • commit message follows commit guidelines

As recommended at nodejs#25759 (comment)
* Python 2.6 end of life statement in 2013: https://www.python.org/dev/peps/pep-0361/#release-lifespan
* Python 2.7 end of life statement in 2019: https://www.python.org/dev/peps/pep-0373/#update
* Python 3.4 reaches it end of life in < 50 days so it should not be a target: https://devguide.python.org/#branchstatus
@nodejs-github-bot nodejs-github-bot added build Issues and PRs related to build files or the CI. doc Issues and PRs related to the documentations. labels Jan 28, 2019
@cclauss cclauss mentioned this pull request Jan 28, 2019
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Trott commented Jan 28, 2019

@nodejs/build @nodejs/documentation

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Trott commented Jan 28, 2019

Co-Authored-By: cclauss <cclauss@me.com>
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Trott commented Jan 28, 2019

@nodejs/python

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Trott commented Jan 28, 2019

@refack refack added the semver-major PRs that contain breaking changes and should be released in the next major version. label Jan 29, 2019
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refack commented Jan 29, 2019

LGTM as a semver-major move for node12

@refack refack added the python PRs and issues that require attention from people who are familiar with Python. label Jan 29, 2019
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Trott commented Jan 29, 2019

@nodejs/tsc

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This is a FYI doc-only change. Why is this semver-major?

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refack commented Jan 30, 2019

Why is this semver-major?

I think that a formal change in supported toolchains (i.e. no longer supporting Python2.6) should be semver-major.
Effectively this frees us to break compatibility with 2.6, and to stop testing with 2.6.

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Ack. I missed the 2.6 drop the first time around. Sorry about that.

LGTM.

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refack commented Jan 30, 2019

I think semver-major/"breaking change" should be applied only to things that might break stuff for the end user.

FWIW, some end users do compile their own binary, and some users are downstream consumers in some way (embedders / tinkerers), so in that sense a change in the toolchain could break their usage.

@refack refack self-assigned this Jan 30, 2019
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Trott commented Jan 30, 2019

Even though this is going in as semver-major, I imagine we don't need a CITGM run for this, so I'll add the author ready label.

@Trott Trott added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Jan 30, 2019
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Landed in bb564a3

@addaleax addaleax closed this Jan 30, 2019
addaleax pushed a commit that referenced this pull request Jan 30, 2019
As recommended at #25759 (comment)
* Python 2.6 end of life statement in 2013: https://www.python.org/dev/peps/pep-0361/#release-lifespan
* Python 2.7 end of life statement in 2019: https://www.python.org/dev/peps/pep-0373/#update
* Python 3.4 reaches it end of life in < 50 days so it should not be a target: https://devguide.python.org/#branchstatus

PR-URL: #25766
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
@cclauss cclauss deleted the patch-3 branch January 30, 2019 23:50
@refack refack removed their assignment Mar 11, 2019
@BethGriggs BethGriggs mentioned this pull request Mar 26, 2019
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