middleware.py

# -*- coding: utf-8 -*-
"""
 Copyright 2005 Spike^ekipS <spikeekips@gmail.com>

    This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
"""

import traceback

from django.conf import settings
from django.template import TemplateSyntaxError
from django.utils.translation import ugettext as _

import pylucene, constant

import views as views_searcher
import models as models_search

class LuceneMiddleware (object) :

    def process_request (self, request) :
        pylucene.initialize_vm()

    def process_exception (self, request, exception, ) :
        if settings.DEBUG :
            traceback.print_exc()

        if isinstance(exception, TemplateSyntaxError) :
            exception_title = ""
            exception_description = ""

            if hasattr(exception, "exc_info") and exception.exc_info[0] == constant.StorageException :
                exception_title = _("Search storage is not found or broken.")
                exception_description = _("""
Re-initialize your search storage,
<pre class="literal-block">
>>> python manage.py search_initialize_db
</pre>
                """)

                return views_searcher.render_to_response(
                    request,
                    "search_admin_invalid_setup.html",
                    {
                        "opts": models_search.Search._meta,
                        "exception": exception.exc_info[1],
                        "exception_title": exception_title,
                        "exception_description": exception_description,
                    },
                )

"""
Description
-----------


ChangeLog
---------


Usage
-----


"""

__author__ =  "Spike^ekipS <spikeekips@gmail.com>"
__version__=  "0.1"
__nonsense__ = ""