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From Deng Xiaodong <xd.den...@gmail.com>
Subject Re: [VOTE] Accept AIP-3: Drop support for Python 2
Date Sun, 24 Mar 2019 04:26:14 GMT
+1 (non-bonding)

On Sun, Mar 24, 2019 at 11:49 Tao Feng <fengtao04@gmail.com> wrote:

> +1 (binding)
>
> On Sat, Mar 23, 2019 at 4:19 PM Driesprong, Fokko <fokko@driesprong.frl>
> wrote:
>
> > Dear Airflow community,
> >
> > This email calls for a vote to accept Airflow Improvement Proposal 3:
> Drop
> > support for Python 2
> >
> > The vote will last for at least 1 week until Midnight Sunday 31th of
> March,
> > and until three +1 (binding) votes have been cast
> >
> > This vote is on the proposal itself, not any specific code or pull
> request.
> > A failed vote does not mean the proposal is rejected, just not accepted
> at
> > this time. (To reject a proposal entirely is its own vote)
> >
> > This is my +1 (binding) vote.
> >
> > Having to support Python 2 and 3 concurrently causes some maintenance and
> > development burden (which is lessened a bit by six and backports
> modules),
> > significant extra test time on Travis, and more complexity on the CI
> > process to also have Python 2 images.
> >
> > Python 2 is reaching End of Life in January 1, 2020 and will receive zero
> > updates, even security ones past this date.
> >
> > Django dropped support for Python 2 with their 2.0 release in December
> > 2017, and this proposal has us follow suit. Airflow 2.0 is already a
> fairly
> > major breaking change, so this could be an opportune time to do this.
> There
> > is already a significant list of projects which are dropping support for
> > Python2: https://python3statement.org/
> > Furthermore, the community started recently adding types to the code of
> > Airflow to help new contributors, and make the code more
> > readable/maintainable: https://github.com/apache/airflow/pull/4926/files
> > Right now we're limited to setting these types in the comments, to
> maintain
> > Airflow 2.7 compatibility, which is a pity.
> >
> > For discussing the proposal in depth, please refer to the Wiki to keep
> all
> > the communication in a single place:
> >
> >
> https://cwiki.apache.org/confluence/display/AIRFLOW/AIP-3+Drop+support+for+Python+2
> >
> > Thanks,
> > Fokko
> >
>

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