[ACCEPTED]-Django admin, custom error message?-django-admin
One way to do that is by overriding the 4 ModelForm for the admin page. That allows 3 you to write custom validation methods and 2 return errors of your choosing very cleanly. Like 1 this in admin.py:
from django.contrib import admin from models import * from django import forms class MyForm(forms.ModelForm): class Meta: model = MyModel def clean_points(self): points = self.cleaned_data['points'] if points.isdigit() and points < 1: raise forms.ValidationError("You have no points!") return points class MyModelAdmin(admin.ModelAdmin): form = MyForm admin.site.register(MyModel, MyModelAdmin)
Hope that helps!
I've used the built-in Message system for 5 this sort of thing. This is the feature 4 that prints the yellow bars at the top of 3 the screen when you've added/changed an 2 object. You can easily use it yourself:
request.user.message_set.create(message='Message text here')
See 1 the documentation.
Django versions < 1.2 https://docs.djangoproject.com/en/1.4/ref/contrib/messages/
from django.contrib import messages messages.add_message(request, messages.INFO, 'Hello world.')
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