#558: Teaching sqlobject inheritance to CatWalk
---------------------------------------------+------------------------------
Reporter: victor.kryukov | Owner: anonymous
Type: defect | Status: closed
Priority: normal | Milestone: 1.x
Component: Toolbox.Catwalk | Version: 1.0
Severity: minor | Resolution: wontfix
Keywords: catwalk, sqlobject, inheritance |
---------------------------------------------+------------------------------
Changes (by Chris Arndt):
* keywords: => catwalk, sqlobject, inheritance
* status: new => closed
* version: => 1.0
* resolution: => wontfix
Old description:
> Summary:
> 1. _inheritance=False should be added to your own class to avoid CatWalk
> crashing on your inherited user/group/permission table.
> 2. CatWalk does not understand sqlobject inheritance.
>
> Details:
>
> I'm trying to integrate identity into my existing project. I've
> successfully followed the wiki
> (http://trac.turbogears.org/turbogears/wiki/IdentityManagement) with
> idtest project and are now customizing identity model for my app:
>
> 1. I've added
> identity.soprovider.model.user="letsmeet.model.Account"
> to the letsmeet\config.py as suggested.
>
> 2. I've modified my existing Account class, so now it look like that:
>
> class Account(TG_User):
> tasks = MultipleJoin('Task')
> <... various model-specific methods ...>
>
> 3. Now, if I would try to select Account in the CatWalk, I'm receiving
> the following error message:
>
> Fail to load object instance: column account.child_name does not exist.
>
> 4. As explained here http://sqlobject.org/Inheritance.html, one should
> add _inheritance=False at the inherited class in order to avoid
> child_name automatic creation.
>
> 5. Now, CatWalk works - but doesn't show anything interesting when
> selecting Account model; in particular, you cannot use CatWalk to create
> new account and should use old good tg-admin shell.
>
> 6. It would be fun to have CatWalk that understands sqlobject inheritance
> some day, though I'm sure it shouldn't be expected before 1.1 given all
> existing priority tasks.
New description:
Summary:
1. `_inheritance=False` should be added to your own class to avoid
!CatWalk crashing on your inherited user/group/permission table.
2. !CatWalk does not understand sqlobject inheritance.
Details:
I'm trying to integrate identity into my existing project. I've
successfully followed the wiki
(http://trac.turbogears.org/turbogears/wiki/IdentityManagement) with
idtest project and are now customizing identity model for my app:
1. I've added
{{{
identity.soprovider.model.user="letsmeet.model.Account"
}}}
to the `letsmeet\config.py` as suggested.
2. I've modified my existing Account class, so now it look like that:
{{{
class Account(TG_User):
tasks = MultipleJoin('Task')
<... various model-specific methods ...>
}}}
3. Now, if I would try to select Account in the CatWalk, I'm receiving the
following error message:
{{{
Fail to load object instance: column account.child_name does not exist.
}}}
4. As explained here http://sqlobject.org/Inheritance.html, one should add
`_inheritance=False` at the inherited class in order to avoid child_name
automatic creation.
5. Now, !CatWalk works - but doesn't show anything interesting when
selecting Account model; in particular, you cannot use !CatWalk to create
new account and should use old good `tg-admin shell`.
6. It would be fun to have !CatWalk that understands sqlobject inheritance
some day, though I'm sure it shouldn't be expected before 1.1 given all
existing priority tasks.
Comment:
Cruft ticket. though I can still reproduce the described problem, CatWalk
is not actively maintained any more and won't grow any new features.
Closing as wontfix.
--
Ticket URL: <http://trac.turbogears.org/ticket/558#comment:5>
TurboGears <http://www.turbogears.org/>
TurboGears front-to-back web development
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