See http://gregbrown.co.nz/code/django-simple-search/ for details

Sample usage:

class MyModelSearchForm(BaseSearchForm):
    class Meta:
        base_qs = MyModel.objects
        search_fields = ['^name','description', '@text', '=id'] 
        fulltext_indexes = (
            ('name', 2),
            ('name,description,text,id', 1),
        )

    category = forms.ModelChoiceField(
        queryset = MyCategory.live.all()
    )