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Re: Preparing for Odoo 18

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Re: Preparing for Odoo 18

by
Invitu, Cyril VINH-TUNG
- 18/10/2024 18:51:49
Well @Virginie Dewulf this is the perfect time to start elaborating some easy training guide (for beginners). We already talked about it
- how to install a dev environment
- how to find an OCA module
- how to migrate a module
- how to use openupgrade
...

Unless all the documentations already exist, i think it would be cool to have something like a training session to help neebies becoming masters...
IMHO

If you launch a workgroup on that subject, I'll be happy to contribute

BTW, the complete openupgrade documentation is here https://oca.github.io/OpenUpgrade/

--------------------------------
Cyril VINH-TUNG
INVITU
Computer & Network Engineering
BP 32 - 98713 Papeete - French Polynesia
Tél: +689 40 46 11 99
contact@invitu.com
www.invitu.com

Le ven. 18 oct. 2024, 04:56, Virginie Dewulf <virginie@odoo-community.org> a écrit :
Hello,

Welcome in the community!

On YouTube, there is now a dedicated playlist on the topic of OpenUpgrade and migrations from the past OCA Days.


Testing the scripts is a very good way to start contributing to the OpenUpgrade project, indeed. Pay attention to the fact that sometimes the scripts are good but your data cause issues.

To start contributing to review and write the scripts themselves, experience shows that you need to be an Odoo expert from the technical and functional point of view, with at least several years of practice as an Odoo developer, because you need to understand well how things work in the different versions from a technical and functional perspective. So we hope to see you contributing there in a bit!

Enjoy your weekend everyone!

Le ven. 18 oct. 2024, 11:12, Tom Blauwendraat <notifications@odoo-community.org> a écrit :
On 10/18/24 04:03, Jacob Christ wrote:



> I would like to help improve OpenUpgrade but I don't know how to 



> get started.  If nothing else, I'm happy to test 16 to 17 upgrades as 



> improvements are made.

In one of the previous OCA days, there was a talk about how to get 
started with OpenUpgrade. Might be this one: 
https://www.youtube.com/watch?v=Vx7-PuXCIsY but there could be more.

It seems everybody has their own way of doing things; I think what's 
"common" is to make a "build" for each version and then include 
OpenUpgrade in it (it could be for example a Doodba docker container, or 
one of the other build systems that are around - we use our own 
Doodba-based concoction at https://github.com/sunflowerit/waftlib) and 
then add OpenUpgrade into the build and run odoo -u on each version in 
sequence. Whichever build system you choose, like Graeme says, it's 
handy if gitaggregator is an integral part of it, so that you can easily 
include patch PR's into the build - your own, or ones from others.

With every migration we have done so far there are at least a handful 
errors that you will run into - usually it's a case of the database in 
your data being slightly different than a specific OpenUpgrade script 
expects it to be. It can be all kinds of things, for example it might be 
that on Odoo 14, it was possible to set a financial ledger account to a 
certain type that it should not be, and you changed it, but now 
OpenUpgrade does not cover that specific case. What you can then do is 
either adjust your data on Odoo 14 manually and try the migration again 
from start, or to make a migration script yourself, and either run it as 
a custom script or actually propose it as an addition to OpenUpgrade 
using a PR.

If you're not up to this whole process, what's also a common method for 
instances without a lot of data is to start over with a fresh Odoo 17 
instance and use import/export to get your data across. That's of course 
also laborious but in some cases it can be a good option.

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