Search Engine using Django-Python

[Manoj Bawane]

Hi All,

I am planning to create a search engine for my city. Can you please suggest me Which technology I should prefer? I am new with Django, before that I have work with some web application using Java Spring. But now, I recently working in one project where I found Django is also nice framework to develop search engine sites. So Please any one suggest me,

1. How should I proceed to do this project using Django,
2. What other technology associated with Django which helps to make searching faster.
3. Which Open Source database will better
   
4. Where I can deploy my search engine, (will it need dedicated or shared host server).

Please suggest your valuable opinion.


Thanks to everyone.

[Daniel França]

Hi Manoj, have you tried Haystack? http://haystacksearch.org/
It's a simple API to make a search engine using Django, and you can attach any of the available backends (Solr, Elasticsearch, Whoosh or Xapian).

Best,
Daniel

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[Manoj Bawane]

Hi Daniel,

Yes, I read about Haystack and I am implementing it with Solr and Database I am using MySQL. While integrating it I am getting error for ManyToMany Model field.
I am getting this error and I am not understand what is going wrong or what to do:

Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/haystack/management/commands/update_index.py", line 210, in handle_label
    self.update_backend(label, using)
  File "/usr/local/lib/python2.7/dist-packages/haystack/management/commands/update_index.py", line 256, in update_backend
    do_update(backend, index, qs, start, end, total, self.verbosity)
  File "/usr/local/lib/python2.7/dist-packages/haystack/management/commands/update_index.py", line 78, in do_update
    backend.update(index, current_qs)
  File "/usr/local/lib/python2.7/dist-packages/haystack/backends/solr_backend.py", line 49, in update
    docs.append(index.full_prepare(obj))
  File "/usr/local/lib/python2.7/dist-packages/haystack/indexes.py", line 196, in full_prepare
    self.prepared_data = self.prepare(obj)
  File "/home/manoj/final-s4s-project/search4school/search4schoolapp/search_indexes.py", line 30, in prepare
    data = super(CollegeIndex, self).prepare(obj)
  File "/usr/local/lib/python2.7/dist-packages/haystack/indexes.py", line 187, in prepare
    self.prepared_data[field.index_fieldname] = field.prepare(obj)
  File "/usr/local/lib/python2.7/dist-packages/haystack/fields.py", line 152, in prepare
    return self.convert(super(CharField, self).prepare(obj))
  File "/usr/local/lib/python2.7/dist-packages/haystack/fields.py", line 100, in prepare
    return current_object()
  File "/usr/local/lib/python2.7/dist-packages/django/db/models/fields/related.py", line 843, in __call__
    manager = getattr(self.model, kwargs.pop('manager'))
KeyError: u'manager'

[Ajeeb K P]

I think you have to head this way.

https://docs.djangoproject.com/en/1.8/topics/db/managers/

According to this docs,

A Manager is the interface through which database query operations are provided to Django models. At least one Manager exists for every model in a Django application.

So, IMHO, you should check about solr and saving. I am not expert at things related to Solr, elastic search etc. But, i doubt it would be wrong with Solr.

[jirka.v...@gmail.com]

Hi Manoj,

I'm very happy with django-watson + PostgreSQL combination. It's a relatively low-tech option, but works very well for me.

HTH

Jirka

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From: Manoj Bawane <bawane....@gmail.com>

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Date: Mon, 6 Jul 2015 08:25:57 -0700 (PDT)

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Subject: Search Engine using Django-Python