Django-haystack without attribute '_fields'

Question

I'm making my blog on Django and I want to add site search based on django-haystack. I made a basic configuration of haystack, using official manuals, but when I want to test my search, I'm getting an error: 'Options' object has no attribute '_fields'

Here are some of my configs:

search_indexes.py

class PostIndex(indexes.SearchIndex, indexes.Indexable):
    text = indexes.CharField(document=True, use_template=True)
    title = indexes.CharField(model_attr='title')
    pub_date = indexes.DateTimeField(model_attr='date')

    def get_model(self):
        return Post

    def index_queryset(self, using=None):
        """Used when the entire index for model is updated."""
        return self.get_model().objects.all()

settings.py

HAYSTACK_CONNECTIONS = {
'default': {
    'ENGINE': 'haystack.backends.simple_backend.SimpleEngine',
    },
}

HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'

So this is my problem. Does anyone worked with smth similar? Thanks in advance!

Answer 1

You are hitting a bug in the simple backend which is fixed in git. There doesn't seem to be a release which contains this fix, though, so you can either upgrade to the development version:

pip install -e git+https://github.com/toastdriven/django-haystack.git@master#egg=django-haystack

Or use a different backend (elasticsearch, solr, ...)