> We already have a gree FAB 5 PR that we keep on rebasing, but some of the
> workarounds we implemented to manage different session handling from
> flask-sqlalchemy cause Daniel also rethink the way how flask-sqlalchemy is
> integrated, so thanks to our testing and work with Vincent, he is going to
> try another way of integration - that will be simpler, will drop some
> nice-to-have flask-sqllchemy features (automated casing) in favour of more
> straightforward session management - which means that we will be able to
> remove our workarounds (fingers crossed)

Nice! Very good news! Thanks for following-up on this one with Daniel Jarek. I 
do not like either the workarounds we implemented :)

On 2025/06/26 09:25:54 Jarek Potiuk wrote:
> An update about FAB 5.
> 
> I had a call with Daniel Gaspar yesterday and the current plans of his are
> to make FAB 5 release with SQLAlchemy 2 support and (this is new) Flask 3
> upgrade in the next couple of months.
> 
> We already have a gree FAB 5 PR that we keep on rebasing, but some of the
> workarounds we implemented to manage different session handling from
> flask-sqlalchemy cause Daniel also rethink the way how flask-sqlalchemy is
> integrated, so thanks to  our testing and work with Vincent, he is going to
> try another way of integration - that will be simpler, will drop some
> nice-to-have flask-sqllchemy features (automated casing) in favour of more
> straightforward session management - which means that we will be able to
> remove our workarounds (fingers crossed) - I offered help from our team and
> Daniel will keep us in the loop of progress, and we will continue helping
> with testing new alphas/betas/rcs released soon (hopefully). The SQLAlchemy
> 2 and Flask 3 are also needed by Superset and 2 days ago was the time when
> Superset 5 big release (sort of like Airflow 3) was released so Daniel will
> have more time for this work.
> 
> There are some cool benefits it will bring - and I am keeping my eyes on
> it. Still - there is the #fab-upgrade channel on Slack
> https://apache-airflow.slack.com/archives/C08SM33PNKS  that you can join if
> you want to help, more info will be posted there and we will work there
> together to help this to happen sooner rather than later.
> 
> J
> 
> On Mon, May 12, 2025 at 4:09 PM Jarek Potiuk <ja...@potiuk.com> wrote:
> 
> > Cool. I will start a small slack group for it :)
> >
> > On Mon, May 12, 2025 at 1:44 PM Vincent Beck <vincb...@apache.org> wrote:
> >
> >> Hello,
> >>
> >> Just got back from vacations (hence the delay) but I am of course happy
> >> to help in that effort. Upgrading to FAB 5 will unblock many things.
> >>
> >> On 2025/05/07 09:19:17 Jarek Potiuk wrote:
> >> > Wooohoho :) Moar hands and eyes  :)
> >> >
> >> > On Wed, May 7, 2025 at 11:13 AM Ankit Chaurasia <sunank...@gmail.com>
> >> wrote:
> >> >
> >> > > Hi Jarek, I would like to help with the migration work as well.
> >> > >
> >> > > Regards
> >> > > *Ankit Chaurasia*
> >> > >
> >> > >
> >> > >
> >> > >
> >> > >
> >> > > On Wed, May 7, 2025 at 2:51 PM Jarek Potiuk <ja...@potiuk.com> wrote:
> >> > >
> >> > > > Fantastic - thanks Ephraim - I might wait for Vincents' ok and we
> >> can
> >> > > form
> >> > > > a small task force to do it :)
> >> > > >
> >> > > > wt., 6 maj 2025, 13:10 użytkownik Ephraim Anierobi <
> >> > > > ephraimanier...@gmail.com> napisał:
> >> > > >
> >> > > > > Hi Jarek, I can help with the migration
> >> > > > >
> >> > > > > On Tue, 6 May 2025 at 11:02, Avi <a...@astronomer.io.invalid>
> >> wrote:
> >> > > > >
> >> > > > > > I think it is a good time to revisit
> >> > > > > > https://github.com/apache/airflow/issues/28723
> >> > > > > > - Avi
> >> > > > > >
> >> > > > > > On Tue, May 6, 2025 at 8:17 AM Jarek Potiuk <ja...@potiuk.com>
> >> > > wrote:
> >> > > > > >
> >> > > > > > > Just copying it from the Slack message - devlist seems to be
> >> more
> >> > > > > > > appropriate :).
> >> > > > > > >
> >> > > > > > > We got informed by Daniel Gaspar from Superset that he is
> >> gearing
> >> > > for
> >> > > > > > > release of FAB 5.0.0 - and asked us to test a8 release
> >> > > > > > > https://pypi.org/project/Flask-AppBuilder/5.0.0a8/ - which
> >> should
> >> > > -
> >> > > > in
> >> > > > > > > principle - unblock us from migrating to SQLAlchemy 2.
> >> > > > > > >
> >> > > > > > > I looked at what is needed and we need to do it in two steps.
> >> > > > > > >
> >> > > > > > > Step 1: Migrate to 4.6.2 version of FAB -> FAB 4.6.2 added
> >> Group
> >> > > > > support
> >> > > > > > > (which generally is something that might be useful for us as
> >> well -
> >> > > > and
> >> > > > > > > highly requested feature
> >> > > > > > >
> >> > > > > > > Step 2: Test and migrate to SQLAlchemy 2
> >> > > > > > >
> >> > > > > > > And I think it's best it's done with Vincent and maybe
> >> someone from
> >> > > > > > > Astronomer who knows more about Sqlalchemy and data migration
> >> than
> >> > > me
> >> > > > > - I
> >> > > > > > > am happy to participate and review, but I do not feel
> >> competent to
> >> > > > > > > implement the changes - I've never added any migration or
> >> > > SQLAlchemy
> >> > > > > > model.
> >> > > > > > > Unfortunately this requires far more than copy & pasting
> >> pieces of
> >> > > > > > > vendored-in FAB security manager.
> >> > > > > > >
> >> > > > > > > Years ago a decision was made that we vendor-in part of the
> >> code of
> >> > > > > FAB -
> >> > > > > > > and part of it is vendoring in models and migration and we
> >> need to
> >> > > > > follow
> >> > > > > > > that - unfortunately.
> >> > > > > > > It does not seem a lot of work, but I am afraid I only know
> >> > > > SQLalchemy
> >> > > > > > on a
> >> > > > > > > very surface - there is literally one model (Group) to add
> >> and some
> >> > > > > code
> >> > > > > > to
> >> > > > > > > handle it - including migrations, but also testing the new
> >> group
> >> > > > > feature
> >> > > > > > of
> >> > > > > > > FAB and how it integrates with Airflow is a bit more complex
> >> than
> >> > > > just
> >> > > > > > "new
> >> > > > > > > FAB version migration".
> >> > > > > > >
> >> > > > > > > I created a small task for it - without too many details -
> >> but I
> >> > > > think
> >> > > > > we
> >> > > > > > > need a small team (I guess Vincent is the most natural
> >> candidate +
> >> > > > > > someone
> >> > > > > > > from Astro about migrations and SQLAlchemy) who could
> >> implement and
> >> > > > > test
> >> > > > > > > this change. I am happy to review, help to make decisions and
> >> > > discuss
> >> > > > > it
> >> > > > > > > and get the dependencies sorted out.
> >> > > > > > >
> >> > > > > > > https://github.com/apache/airflow/issues/50186
> >> > > > > > >
> >> > > > > > > One of the things it will unblock finally if we get to 5.0.0
> >> is PRs
> >> > > > > like
> >> > > > > > > that https://github.com/apache/airflow/pull/50221 where we
> >> cannot
> >> > > > bump
> >> > > > > > the
> >> > > > > > > min version of sendgrid because it conflicts with the infamous
> >> > > > Werkzeug
> >> > > > > > > versions that old FAB depends on.
> >> > > > > > >
> >> > > > > > > WDYT? Can we get a small group of people around that task to
> >> do it
> >> > > > > > > "properly"? It would be great to have it as a 3.1.0
> >> deliverable to
> >> > > > > > finally
> >> > > > > > > cut all our ties with the old FAB things.
> >> > > > > > >
> >> > > > > > > J
> >> > > > > > >
> >> > > > > >
> >> > > > >
> >> > > >
> >> > >
> >> >
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: dev-unsubscr...@airflow.apache.org
> >> For additional commands, e-mail: dev-h...@airflow.apache.org
> >>
> >>
> 

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscr...@airflow.apache.org
For additional commands, e-mail: dev-h...@airflow.apache.org

Reply via email to