Django Haystack + ElasticSearch Implementation on Windows OS env - django

Question

I am developing a project with HayStack+ElasticSearch for search engine and I am having hard time to get around it. I've setup models and Inexing for the models as shown below:
models.py:
from django.db import models
from django.core.urlresolvers import reverse
class Product(models.Model):
title = models.CharField(max_length=500)
description = models.TextField(blank=True, null=True)
image = models.ImageField(upload_to='products/')
price = models.DecimalField(max_digits=20, decimal_places=2)
sku = models.CharField(null=True, max_length=100)
url = models.URLField(blank=True)
displayed_category = models.CharField(null=True, max_length=500)
categories = models.ManyToManyField('Category', blank=True)
default = models.ForeignKey(
'Category', related_name='default_category', null=True, blank=True
)
def __unicode__(self):
return self.title
def get_absolute_url(self):
return reverse("product_detail", kwargs={"pk": self.pk})
class Category(models.Model):
title = models.CharField(max_length=120, unique=True)
slug = models.SlugField(unique=True)
description = models.TextField(null=True, blank=True)
timestamp = models.DateTimeField(auto_now=False, auto_now_add=True)
def __unicode__(self):
return self.title
Views.py:
from datetime import date
from .models import Product
from django.views.generic.list import ListView
from django.views.generic.detail import DetailView
from django.core.paginator import Paginator
from haystack.generic_views import SearchView
class ProductListView(ListView):
model = Product
paginate_by = 10
class ProductDetailView(DetailView):
model = Product
class ProductSearchView(SearchView):
model = Product
def get_queryset(self):
queryset = super(ProductSearchView, self).get_queryset()
# further filter queryset based on some set of criteria
return queryset
def get_context_data(self, *args, **kwargs):
context = super(ProductSearchView, self).get_context_data(*args, **kwargs)
context["query"] = self.request.GET.get("q")
return context
search_index.py:
from haystack import indexes
from .models import Product
class TweetIndex(indexes.SearchIndex, indexes.Indexable):
title = indexes.CharField(model_attr='title')
text = indexes.EdgeNgramField(model_attr='text', document=True, use_template=True)
def prepare_title(self, obj):
return obj.title or ''
def get_model(self):
return Product
Project urls.py:
from django.conf.urls import include, url
from django.contrib import admin
from django.conf import settings
from django.conf.urls.static import static
from products.views import ProductSearchView
urlpatterns = [
url(r'^$', 'shopsy.views.home', name='home'),
url(r'^admin/', include(admin.site.urls)),
url(r'^products/', include('products.urls')),
url(r'^search/', ProductSearchView.as_view()),
url(r'search/$', include('haystack.urls')),
]
if settings.DEBUG:
urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
App urls.py:
from django.conf.urls import url
from .views import ProductListView, ProductDetailView, ProductSearchView
urlpatterns = [
url(r'^$', ProductListView.as_view(), name='products'),
url(r'^(?P<pk>\d+)/$', ProductDetailView.as_view(), name='product_detail'),
]
settings.py:
HAYSTACK_CONNECTIONS = {
'default': {
'ENGINE': 'haystack.backends.elasticsearch_backend.ElasticsearchSearchEngine',
'URL': 'http://127.0.0.1:9200/',
'INDEX_NAME': 'haystack',
},
}
HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'
INTERNAL_IPS = ('127.0.0.1',)
With all the above settings when I run "manage.py rebuild_index" I get the following error.
Removing all documents from your index because you said so.
Failed to clear Elasticsearch index: ConnectionError(<urllib3.connection.HTTPCon
nection object at 0x03C12850>: Failed to establish a new connection: [Errno 1006
1] No connection could be made because the target machine actively refused it) c
aused by: NewConnectionError(<urllib3.connection.HTTPConnection object at 0x03C1
2850>: Failed to establish a new connection: [Errno 10061] No connection could b
e made because the target machine actively refused it)
Traceback (most recent call last):
File "C:\Users\Shazia\Desktop\working directtory\searchEngin\lib\site-packa
ges\haystack\backends\elasticsearch_backend.py", line 234, in clear
self.conn.indices.delete(index=self.index_name, ignore=404)
File "C:\Users\Shazia\Desktop\working directtory\searchEngin\lib\site-packa
ges\elasticsearch\client\utils.py", line 69, in _wrapped
return func(*args, params=params, **kwargs)
File "C:\Users\Shazia\Desktop\working directtory\searchEngin\lib\site-packa
ges\elasticsearch\client\indices.py", line 198, in delete
params=params)
Please advise if I am doing something or all the way wrong.

Answer 1

If the ES server is not responding it could be for several reasons:
The ES server is not started
The ES server is not configured to listen on localhost or 127.0.0.1
The ES server is not installed at all.
In your case, it was the third option. You just need to install Elasticsearch as explained in the Django Haystack docs, start it and then it will work.