On 1/24/07, yary <[EMAIL PROTECTED]> wrote:
>
> I presume that the custom permissions and initial data loading is also
> kicked off from the post_syncdb signal, and that my management.py is
> getting the signal first. How to fix/work around?
The syncdb process does the following, in the following order:
- adds any new models
- For each model in the app (including old models):
- Invoke the post_syncdb signal
- if the model is new, install the initial data/SQL for the app
- Install the SQL indicies for the model
One option for a workaround Is to try using the ticket #2333 fixtures
patch (a version of which will be in Django v1.0) and see if that
helps.
One of the goals of the fixtures framework is to rename 'initial data'
to 'custom SQL' - the goal here being to move the loading of initial
data out of SQL statements into a database independent fixture format
(JSON, XML, etc), reserving the 'custom SQL' step for any table
modifying statements required by a project.
The loading of data fixtures would be the last step in a sync; an
'initial_data' fixture will be installed as the last step of the
syncdb. In this way, the tables should be created, permissions set,
etc before the data is loaded. The current patch on #2333 doesn't do
this automatic data install on syncdb, but this should be in the final
version. In the meantime, a manual call to 'manage.py installfixture
initial_data' will do the trick.
A post-post signal won't fix the problem; if you have a post-post
signal, then why not a post-post-post signal, and so on - the
underlying problem is resolving dependencies. Forcing installation
data fixtures into the last phase will resolve the dependency problem
you have described.
Yours,
Russ Magee %-)
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