Abstract model class which validates on save using a default ModelForm

gistfile1.py

from django.db import models
from django import forms
from django.forms.models import modelform_factory

class ValidatingModel(models.Model):
    class Meta:
        abstract = True

    def __init__(self, *args, **kwargs):
        self.model_form_class = modelform_factory(self.__class__)
        return super(ValidatingModel, self).__init__(*args, **kwargs)

    def save(self, *args, **kwargs):
        data = {}
        for field_name, field in self.model_form_class.base_fields.items():
            data[field_name] = getattr(self, field_name)
        form = self.model_form_class(instance=self, data=data)
        if form.is_valid():
            super(ValidatingModel, self).save(*args, **kwargs)
        else:
            self.validation_errors = form.errors
            raise forms.ValidationError(form.errors)