Custom content and migrating to plone.app.folder (P4)

[Mikko Ohtamaa]

Hi,

What actions an add-on product developer needs to take in order to migrate custom folderish content for plone.app.folder shipped with Plone 4?

* Is migration automatic?

* If it is not does there exist an example code how this migration should be performed for custom content types?

The migration guide does not contain useful information regarding this, neither plone.folder nor plone.app.folder READMEs do.

http://manage.plone.org/documentation/manual/upgrade-guide/version/upgrading-plone-3-x-to-4.0/updating-add-on-products-for-plone-4.0

[Israel Saeta Pérez]

On 18/09/10 15:31, Mikko Ohtamaa wrote:
> The migration guide does not contain useful information regarding this,
> neither plone.folder nor plone.app.folder READMEs do.
>
> http://manage.plone.org/documentation/manual/upgrade-guide/version/upgrading-plone-3-x-to-4.0/updating-add-on-products-for-plone-4.0


The associated ticket is https://dev.plone.org/plone/ticket/9615 :)

-- israel


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[Suresh V.]

Mikko Ohtamaa wrote:
> Hi,
>
> What actions an add-on product developer needs to take in order to migrate
> custom folderish content for plone.app.folder shipped with Plone 4?

This may be relevant.

http://my-experiments-with-plone.blogspot.com/2010/05/migrate-btrees-to-rescue.html

Suresh


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[Mikko Ohtamaa]

Israel Saeta Pérez wrote

On 18/09/10 15:31, Mikko Ohtamaa wrote:
> The migration guide does not contain useful information regarding this,
> neither plone.folder nor plone.app.folder READMEs do.
>
> http://manage.plone.org/documentation/manual/upgrade-guide/version/upgrading-plone-3-x-to-4.0/updating-add-on-products-for-plone-4.0


The associated ticket is https://dev.plone.org/plone/ticket/9615 :)

Any news on this?

Just two sentence would be enough

* Do I need to migrate my own content types or not?

* How to migrate if I need to / want to

[Mikko Ohtamaa]

bump

Mikko Ohtamaa wrote

Hi,

What actions an add-on product developer needs to take in order to migrate custom folderish content for plone.app.folder shipped with Plone 4?

* Is migration automatic?

* If it is not does there exist an example code how this migration should be performed for custom content types?

The migration guide does not contain useful information regarding this, neither plone.folder nor plone.app.folder READMEs do.

http://manage.plone.org/documentation/manual/upgrade-guide/version/upgrading-plone-3-x-to-4.0/updating-add-on-products-for-plone-4.0

[Mikko Ohtamaa]

bump2

Mikko Ohtamaa wrote

bump

Mikko Ohtamaa wrote

Hi,

What actions an add-on product developer needs to take in order to migrate custom folderish content for plone.app.folder shipped with Plone 4?

* Is migration automatic?

* If it is not does there exist an example code how this migration should be performed for custom content types?

The migration guide does not contain useful information regarding this, neither plone.folder nor plone.app.folder READMEs do.

http://manage.plone.org/documentation/manual/upgrade-guide/version/upgrading-plone-3-x-to-4.0/updating-add-on-products-for-plone-4.0

[Alan Runyan-3]

>>> What actions an add-on product developer needs to take in order to
>>> migrate custom folderish content for plone.app.folder shipped with Plone
>>> 4?

Maybe run the migration view on your folders?
http://svn.plone.org/svn/plone/plone.app.folder/trunk/src/plone/app/folder/migration.py
http://svn.plone.org/svn/plone/plone.app.folder/trunk/src/plone/app/folder/configure.zcml

call the migrate-btrees on your instance?

>>> * Is migration automatic?

good question.

>>> * If it is not does there exist an example code how this migration should
>>> be performed for custom content types?

i think the above link, if valid, shows its just manipulating the
ObjectManager innards
to become a BTree.

>>> The migration guide does not contain useful information regarding this,
>>> neither plone.folder nor plone.app.folder READMEs do.

;-( use the source, luke ;-)

>>> http://manage.plone.org/documentation/manual/upgrade-guide/version/upgrading-plone-3-x-to-4.0/updating-add-on-products-for-plone-4.0

try the migration module with some test data.  if it works; please add
section in the docs.

cheers
alan

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[David Glick (GW)]

 On 10/13/10 11:09 PM, Alan Runyan wrote:

>>>> What actions an add-on product developer needs to take in order to
>>>> migrate custom folderish content for plone.app.folder shipped with Plone
>>>> 4?
> Maybe run the migration view on your folders?
> http://svn.plone.org/svn/plone/plone.app.folder/trunk/src/plone/app/folder/migration.py
> http://svn.plone.org/svn/plone/plone.app.folder/trunk/src/plone/app/folder/configure.zcml
>
> call the migrate-btrees on your instance?
>
>>>> * Is migration automatic?
> good question.

The migration view mentioned above is called as one of the upgrade steps
when upgrading from Plone 3 to Plone 4. It migrates anything which is an
instance of BTreeFolder (which ATFolder and things that extend it are in
Plone 4).  If you have folderish classes which do not extend BTreeFolder
even after the upgrade to Plone 4, you would need to update the base
classes and then re-run the migration.

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[Mikko Ohtamaa]

David Glick-3 wrote

The migration view mentioned above is called as one of the upgrade steps
when upgrading from Plone 3 to Plone 4. It migrates anything which is an
instance of BTreeFolder (which ATFolder and things that extend it are in
Plone 4).  If you have folderish classes which do not extend BTreeFolder
even after the upgrade to Plone 4, you would need to update the base
classes and then re-run the migration.

Thanks David. This is the information I was looking for.

I added some initial documentation here:

http://plone.org/documentation/manual/upgrade-guide/version/upgrading-plone-3-x-to-4.0/updating-add-on-products-for-plone-4.0/large-folder-changes