Daniel, Thanx for the answer on code execution. As far as the import issue is concerned. I'll have a look at importing specifics. I wouldn't want you to have to dig through my code to find a syntactic typo ... :-)
Regards, Gerard. Daniel Roseman wrote: > On Sep 16, 10:08 pm, Gerard Petersen <[EMAIL PROTECTED]> wrote: >> Daniel, >> >> Great one! Your suggested setup works, in the front-end that is. I have >> quite some classes subclassed from ModelAdmin (including ProductAdmin), >> however the "form = ProductForm" line breaks my app. I've tried several >> import statements to get the droplist to work in the admin part. This one >> worked: "from myforms import ProductForm" however for some strange reason it >> now breaks on Meta class for the CustomerForm: >> >> http://paste.pocoo.org/show/85458/ >> >> ... completely dazzled .. Any tips? > > Urgh, not enough information. My only clue would be that 'from foo > import *' is a recipe for disaster - you're importing everything in > the module into your namespace, and that means things could be > overwritten somewhere. Use 'from models import MyModel, MyOtherModel' > and 'from django import forms' (then refer to forms.ModelForm etc). > > >> One concept Q: Why is it that the DB query statements to 'build' the >> BTW_CHOICES don't get executed in models.py and do get executed in the >> myforms.py > > It's because the model is defined declaratively: that is, each of the > model fields is declared as a class-level attribute, and Django uses > some clever metaclass stuff to actually turn them into instance > properties (way over my head, I'm afraid). So you can't put dynamic > code there - it would only ever get executed once, when the model is > first defined. > > What we've done with the form is override the __init__ method which is > called whenever a new form is instantiated. So our query is executed > every time, making the choices dynamic. > > -- > DR. > > -- urls = { 'fun': 'www.zonderbroodje.nl', 'tech': 'www.gp-net.nl' } --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
