# -*- coding: utf-8 -*-

#

# Copyright IRI (c) 2013

#

# contact@iri.centrepompidou.fr

#

# This software is governed by the CeCILL-B license under French law and

# abiding by the rules of distribution of free software.  You can  use, 

# modify and/ or redistribute the software under the terms of the CeCILL-B

# license as circulated by CEA, CNRS and INRIA at the following URL

# "http://www.cecill.info". 

#

# As a counterpart to the access to the source code and  rights to copy,

# modify and redistribute granted by the license, users are provided only

# with a limited warranty  and the software's author,  the holder of the

# economic rights,  and the successive licensors  have only  limited

# liability. 

#

# In this respect, the user's attention is drawn to the risks associated

# with loading,  using,  modifying and/or developing or reproducing the

# software by the user in light of its specific status of free software,

# that may mean  that it is complicated to manipulate,  and  that  also

# therefore means  that it is reserved for developers  and  experienced

# professionals having in-depth computer knowledge. Users are therefore

# encouraged to load and test the software's suitability as regards their

# requirements in conditions enabling the security of their systems and/or 

# data to be ensured and,  more generally, to use and operate it in the 

# same conditions as regards security. 

#

# The fact that you are presently reading this means that you have had

# knowledge of the CeCILL-B license and that you accept its terms.

#

# Django settings for p4l project.

from django.conf import global_settings

import os

DEBUG = True

TEMPLATE_DEBUG = DEBUG

ADMINS = (

    # ('Your Name', 'your_email@example.com'),

)

MANAGERS = ADMINS

DATABASES = {

    'default': {

        'ENGINE': 'django.db.backends.', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.

        'NAME': '',                      # Or path to database file if using sqlite3.

        # The following settings are not used with sqlite3:

        'USER': '',

        'PASSWORD': '',

        'HOST': '',                      # Empty for localhost through domain sockets or '127.0.0.1' for localhost through TCP.

        'PORT': '',                      # Set to empty string for default.

    }

}

# Hosts/domain names that are valid for this site; required if DEBUG is False

# See https://docs.djangoproject.com/en/1.5/ref/settings/#allowed-hosts

ALLOWED_HOSTS = []

# Local time zone for this installation. Choices can be found here:

# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name

# although not all choices may be available on all operating systems.

# In a Windows environment this must be set to your system time zone.

TIME_ZONE = 'America/Chicago'

# Language code for this installation. All choices can be found here:

# http://www.i18nguy.com/unicode/language-identifiers.html

LANGUAGE_CODE = 'en-us'

ugettext = lambda s: s

LANGUAGES = ( 

    ('fr', ugettext('French')),

    ('en', ugettext('English')),

    ('es', ugettext('Spanish')),

)

SITE_ID = 1

# If you set this to False, Django will make some optimizations so as not

# to load the internationalization machinery.

USE_I18N = True

# If you set this to False, Django will not format dates, numbers and

# calendars according to the current locale.

USE_L10N = True

# If you set this to False, Django will not use timezone-aware datetimes.

USE_TZ = True

# Absolute filesystem path to the directory that will hold user-uploaded files.

# Example: "/var/www/example.com/media/"

MEDIA_ROOT = ''

# URL that handles the media served from MEDIA_ROOT. Make sure to use a

# trailing slash.

# Examples: "http://example.com/media/", "http://media.example.com/"

MEDIA_URL = ''

# Absolute path to the directory static files should be collected to.

# Don't put anything in this directory yourself; store your static files

# in apps' "static/" subdirectories and in STATICFILES_DIRS.

# Example: "/var/www/example.com/static/"

STATIC_ROOT = ''

# URL prefix for static files.

# Example: "http://example.com/static/", "http://static.example.com/"

STATIC_URL = '/static/'

# Additional locations of static files

STATICFILES_DIRS = (

    # Put strings here, like "/home/html/static" or "C:/www/django/static".

    # Always use forward slashes, even on Windows.

    # Don't forget to use absolute paths, not relative paths.

)

# List of finder classes that know how to find static files in

# various locations.

STATICFILES_FINDERS = (

    'django.contrib.staticfiles.finders.FileSystemFinder',

    'django.contrib.staticfiles.finders.AppDirectoriesFinder',

#    'django.contrib.staticfiles.finders.DefaultStorageFinder',

)

# List of callables that know how to import templates from various sources.

TEMPLATE_LOADERS = (

    'django.template.loaders.filesystem.Loader',

    'django.template.loaders.app_directories.Loader',

    'p4l.templateloaders.Loader'

#     'django.template.loaders.eggs.Loader',

)

MIDDLEWARE_CLASSES = (

    'django.middleware.common.CommonMiddleware',

    'django.contrib.sessions.middleware.SessionMiddleware',

    'django.middleware.locale.LocaleMiddleware',

    'django.middleware.csrf.CsrfViewMiddleware',

    'django.contrib.auth.middleware.AuthenticationMiddleware',

    'django.contrib.messages.middleware.MessageMiddleware',

    # Uncomment the next line for simple clickjacking protection:

    # 'django.middleware.clickjacking.XFrameOptionsMiddleware',

)

ROOT_URLCONF = 'p4l.urls'

AUTH_USER_MODEL = 'p4l.User'

INITIAL_CUSTOM_USER_MIGRATION = "0001_initial"

# Python dotted path to the WSGI application used by Django's runserver.

WSGI_APPLICATION = 'p4l.wsgi.application'

TEMPLATE_DIRS = (

    # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".

    # Always use forward slashes, even on Windows.

    # Don't forget to use absolute paths, not relative paths.

    os.path.join(os.path.dirname(__file__), 'templates'),

)

INSTALLED_APPS = (

    'django.contrib.auth',

    'django.contrib.contenttypes',

    'django.contrib.sessions',

    'django.contrib.sites',

    'django.contrib.messages',

    'django.contrib.staticfiles',

    'django.contrib.admin',

    'django_extensions',

    'south',

    'rest_framework',

    'haystack',

    'p4l'

)

TEMPLATE_CONTEXT_PROCESSORS = global_settings.TEMPLATE_CONTEXT_PROCESSORS + (

    'django.core.context_processors.i18n',

    'django.core.context_processors.request',

    'p4l.context_processors.version',

)

# A sample logging configuration. The only tangible logging

# performed by this configuration is to send an email to

# the site admins on every HTTP 500 error when DEBUG=False.

# See http://docs.djangoproject.com/en/dev/topics/logging for

# more details on how to customize your logging configuration.

LOGGING = {

    'version': 1,

    'disable_existing_loggers': False,

    'filters': {

        'require_debug_false': {

            '()': 'django.utils.log.RequireDebugFalse'

        }

    },

    'handlers': {

        'mail_admins': {

            'level': 'ERROR',

            'filters': ['require_debug_false'],

            'class': 'django.utils.log.AdminEmailHandler'

        }

    },

    'loggers': {

        'django.request': {

            'handlers': ['mail_admins'],

            'level': 'ERROR',

            'propagate': True,

        },

    }

}

NB_RECORDS_BY_PAGE = 20

#some control on the pagination appareance

PAGINATOR_VISIBLE_RANGE = 5 #number of visible pages

PAGINATOR_START_RANGE = 2 #number of pages kept at the beggining and at the end of the range

HAYSTACK_CONNECTIONS = {

    'default': {

        'ENGINE': 'haystack.backends.elasticsearch_backend.ElasticsearchSearchEngine',

        'URL': '',

        'INDEX_NAME': 'p4l',

    },

}

HAYSTACK_SIGNAL_PROCESSOR = 'p4l.search.signals.P4lSignalProcessor'

HAYSTACK_SEARCH_RESULTS_PER_PAGE = NB_RECORDS_BY_PAGE

REALTIME_INDEXING = True

CACHES = {

    'default' : {

        'BACKEND': 'django.core.cache.backends.dummy.DummyCache',

    },

    'indexation': {

        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',

        'LOCATION': 'p4l-indexation',

        'TIMEOUT': 300,

    }

}

RDF_SCHEMES = { 

    'organizations': 'http://www.iiep.unesco.org/plan4learning/scheme/Organizations',

    'audiences': '',

    'languages': 'http://www.iiep.unesco.org/plan4learning/scheme/Languages',

    'types': 'http://www.iiep.unesco.org/plan4learning/scheme/DocumentType',

    'subjects': 'http://skos.um.es/unescothes/CS000',

    'themes': 'http://www.iiep.unesco.org/plan4learning/scheme/Themes',

    'countries': 'http://skos.um.es/unescothes/CS000/Countries',    

    'projects': 'http://www.iiep.unesco.org/plan4learning/scheme/Projects'

}

REST_FRAMEWORK = {

    # Use hyperlinked styles by default.

    # Only used if the `serializer_class` attribute is not set on a view.

    'DEFAULT_MODEL_SERIALIZER_CLASS':

        'rest_framework.serializers.HyperlinkedModelSerializer',

    # Use Django's standard `django.contrib.auth` permissions,

    # or allow read-only access for unauthenticated users.

    'DEFAULT_PERMISSION_CLASSES': [

        'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly'

    ],

    'PAGINATE_BY': 20,

    'PAGINATE_BY_PARAM': 'page_size' 

}

LANGUAGES_LIST = [

(u"English", "en"),

(u"French", "fr"),

(u"Spanish", "es"),

(u"Portuguese", "pt"),

(u"Arabic", "ar"),

(u"German", "de"),

(u"Japanese", "ja"),

(u"Russian", "ru"),

(u"Multilingual", "mul")

];

# cf http://docs.python.org/2/library/subprocess.html#popen-constructor 

ADMIN_SCRIPT = {}

SCRIPT_WAIT = .250

SCRIPT_MAX_WAIT = 40 # * SCRIPT_WAIT = 10 sec

from config import *  # @UnusedWildImport

if not "SRC_BASE_URL" in locals():

    SRC_BASE_URL = BASE_URL + __name__.split('.')[0] + '/'

if not "LOGIN_URL" in locals():

    LOGIN_URL = SRC_BASE_URL + 'auth/login/'

if not "LOGOUT_URL" in locals():

    LOGOUT_URL = SRC_BASE_URL + 'auth/disconnect/'

if not "LOGIN_REDIRECT_URL" in locals():

    LOGIN_REDIRECT_URL = SRC_BASE_URL

if not "LOGOUT_REDIRECT_URL" in locals():

    LOGOUT_REDIRECT_URL = SRC_BASE_URL + 'auth/login'

if not "SPARQL_QUERY_ENDPOINT" in locals():    

    SPARQL_QUERY_ENDPOINT = "http://localhost:8080/openrdf-sesame/repositories/plan4learning"

if not "SPARQL_REF_QUERIES" in locals():

    SPARQL_REF_QUERIES = {

        'subjects': {

            'url' : SPARQL_QUERY_ENDPOINT,

            'filter' : (

                "PREFIX skos:<http://www.w3.org/2004/02/skos/core#> "

                "PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#> "

                "PREFIX owl:<http://www.w3.org/2002/07/owl#> "

                "PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#> "

                "SELECT DISTINCT ?uri ?label "

                "WHERE {{ "

                    "?uri a skos:Concept. "

                    "?uri skos:inScheme <http://skos.um.es/unescothes/CS000> . "

                    "?uri skos:prefLabel ?label. "

                    "FILTER (lang(?label) = {lang}). "

                    "?uri skos:prefLabel ?lab. "

                    "FILTER regex (str(?lab), ?reg, 'i'). "

                    "FILTER (lang (?lab) = {lang}). "

                    "BIND (STRLEN(STRBEFORE (str(?lab), ?reg)) AS ?place). "

                    "BIND (STRLEN(STR(?lab)) AS ?len) "

                "}} "

                "ORDER BY ?place ?len ?lab"

            ),

            "root" : (

                "PREFIX skos:<http://www.w3.org/2004/02/skos/core#> "

                "PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#> "

                "PREFIX owl:<http://www.w3.org/2002/07/owl#> "

                "PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#> "

                "SELECT DISTINCT ?uri ?label ?type "

                "WHERE {{ "

                    "?uri a skos:Collection ; "

                         "skos:inScheme <http://skos.um.es/unescothes/CS000> ; "

                         "skos:prefLabel|rdfs:label ?label ; "

                         "rdf:type ?type . "

                    "FILTER (lang(?label) = {lang}). " 

                    "FILTER NOT EXISTS {{ [skos:member ?uri] }}. "

                "}} "

                "ORDER BY str(?label)"

            ),

            "childs" : (

                "PREFIX skos:<http://www.w3.org/2004/02/skos/core#> "

                "PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#> "

                "PREFIX owl:<http://www.w3.org/2002/07/owl#> "

                "PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#> "

                "SELECT DISTINCT ?uri ?label ?type "

                "WHERE {{ "

                  "?uri skos:inScheme <http://skos.um.es/unescothes/CS000> . "

                  "{{ ?uri a ?type "

                    "FILTER (?type = skos:Collection || ?type = skos:Concept) }}. "

                  "?root skos:narrower|skos:member ?uri. "

                  "?uri skos:prefLabel|rdfs:label ?label. "

                  "FILTER (lang(?label) = {lang}). "

                "}} "

                "ORDER BY str(?label)"

            ),

            "child-count" : (

                "PREFIX skos:<http://www.w3.org/2004/02/skos/core#> "

                "PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#> "

                "PREFIX owl:<http://www.w3.org/2002/07/owl#> "

                "PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#> "

                "SELECT (COUNT(?uri) as ?nb) "

                "WHERE {{ "

                    "?uri skos:inScheme <http://skos.um.es/unescothes/CS000> . "

                    "?root skos:narrower|skos:member ?uri. "

                "}}"

            )

        },

        'themes': {

            'url' : SPARQL_QUERY_ENDPOINT,

            'filter' : (

                "PREFIX skos:<http://www.w3.org/2004/02/skos/core#> "

                "PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#> "

                "PREFIX owl:<http://www.w3.org/2002/07/owl#> "

                "PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#> "

                "SELECT DISTINCT ?uri ?label "

                "WHERE {{ "

                    "?uri a skos:Concept. "

                    "?uri skos:inScheme <http://www.iiep.unesco.org/plan4learning/scheme/Themes> . "

                    "FILTER regex (str(?lab), ?reg, 'i'). "

                    "BIND (STRLEN(STRBEFORE (str(?lab), ?reg)) AS ?place). "

                    "BIND (STRLEN(STR(?lab)) AS ?len) "

                "}} "

                "ORDER BY ?place ?len ?lab"

            ),

            'root' : (

                "PREFIX skos:<http://www.w3.org/2004/02/skos/core#> "

                "PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#> "

                "PREFIX owl:<http://www.w3.org/2002/07/owl#> "

                "PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#> "

                "SELECT DISTINCT ?uri ?label ?type "

                "WHERE {{ "

                    "?uri a skos:Collection ; "

                         "skos:inScheme <http://www.iiep.unesco.org/plan4learning/scheme/Themes> ; "    

                "}} "

                "ORDER BY str(?label)"

            ),

            'childs' : (

                "PREFIX skos:<http://www.w3.org/2004/02/skos/core#> "

                "PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#> "

                "PREFIX owl:<http://www.w3.org/2002/07/owl#> "

                "PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#> "

                "SELECT DISTINCT ?uri ?label ?type "

                "WHERE {{ "

                  "?uri skos:inScheme <http://www.iiep.unesco.org/plan4learning/scheme/Themes> . "

                  "{{ ?uri a ?type "

                    "FILTER (?type = skos:Collection || ?type = skos:Concept) }}. "

                  "?root skos:narrower|skos:member ?uri. "

                "}} "

                "ORDER BY str(?label)"

            ),

            'child-count' : (

                "PREFIX skos:<http://www.w3.org/2004/02/skos/core#> "

                "PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#> "

                "PREFIX owl:<http://www.w3.org/2002/07/owl#> "

                "PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#> "

                "SELECT (COUNT(?uri) as ?nb) "

                "WHERE {{ "

                    "?uri skos:inScheme <http://www.iiep.unesco.org/plan4learning/scheme/Themes> . "

                    "?root skos:narrower|skos:member ?uri. "

                "}} "

            )

        },

        'countries': {

            'url' : SPARQL_QUERY_ENDPOINT,

            'filter' : (