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[Thibaut DIRLIK <thibaut.dirlik@xxxxxxxxx>]

Hi everybody,

I'm not sure this ML is the good place to do framework features request. 
Tell me if it's not.
I think we could improve _constraints error message. Currently, the 
message is static. It would be a good idea to let it be dynamic.
For example, I'm working a module which allocate ressources to a project 
task, and a ressource can't be allocated if an other task already use it 
at the same time.
In the message, we can't tell the user which task is using the 
ressource, because it is static.
A workaround could be to catch an exception like ValidationError or 
ConstraintError (as you want, the name doesn't matter). If such an 
exception is raised, the str() of the exception object could be used 
instead of the default message. This feature will stay compatible with 
the old system and add some flexibility.
I'm pretty sure it's not hard to implement and it could improve user 
experience in some cases for 6.1 modules. What do you think ?
--
Thibaut DIRLIK