How to access mongo db data in django project?

Question

I have two db in my django project. Default db mysql and secondary db mongodb.

DATABASES = {
  'default': {
    'ENGINE': 'django.db.backends.mysql',
    'NAME': 'xyz',
    'USER': 'root',
    'PASSWORD':'1234',
    'HOST':'127.0.0.1',
    'PORT':'3306',
},
'mongo_db':
{
    'ENGINE' : 'django_mongodb_engine',
    'NAME' : 'pets_info'   
}    

}

how to get data from mongo db in django views.

def get_pets(request):
    mongo_cursor = connections['mongo_db'].cursor()
    return HttpResponse("hi")