Add django constance to thirdpart to void dependency

requirements.txt

@@ -6,4 +6,3 @@ Django>=1.5.8,<1.6
 Djblets==0.6.14
 django-compressor==1.4
 django-statici18n==1.1.2
-django-constance[database]

thirdpart/constance/__init__.py

@@ -0,0 +1,13 @@
+from django.utils.functional import LazyObject
+
+__version__ = '1.0.1'
+
+default_app_config = 'constance.apps.ConstanceConfig'
+
+
+class LazyConfig(LazyObject):
+    def _setup(self):
+        from .base import Config
+        self._wrapped = Config()
+
+config = LazyConfig()

thirdpart/constance/admin.py

@@ -0,0 +1,187 @@
+from datetime import datetime, date, time
+from decimal import Decimal
+import hashlib
+from operator import itemgetter
+
+from django import forms
+from django.contrib import admin, messages
+from django.contrib.admin import widgets
+from django.contrib.admin.options import csrf_protect_m
+from django.core.exceptions import PermissionDenied, ImproperlyConfigured
+from django.forms import fields
+from django.http import HttpResponseRedirect
+from django.shortcuts import render_to_response
+from django.template.context import RequestContext
+from django.utils import six
+from django.utils.formats import localize
+from django.utils.translation import ugettext_lazy as _
+
+try:
+    from django.utils.encoding import smart_bytes
+except ImportError:
+    from django.utils.encoding import smart_str as smart_bytes
+
+try:
+    from django.conf.urls import patterns, url
+except ImportError:  # Django < 1.4
+    from django.conf.urls.defaults import patterns, url
+
+
+from . import LazyConfig, settings
+
+config = LazyConfig()
+
+
+NUMERIC_WIDGET = forms.TextInput(attrs={'size': 10})
+
+INTEGER_LIKE = (fields.IntegerField, {'widget': NUMERIC_WIDGET})
+STRING_LIKE = (fields.CharField, {
+    'widget': forms.Textarea(attrs={'rows': 3}),
+    'required': False,
+})
+
+FIELDS = {
+    bool: (fields.BooleanField, {'required': False}),
+    int: INTEGER_LIKE,
+    Decimal: (fields.DecimalField, {'widget': NUMERIC_WIDGET}),
+    str: STRING_LIKE,
+    datetime: (fields.DateTimeField, {'widget': widgets.AdminSplitDateTime}),
+    date: (fields.DateField, {'widget': widgets.AdminDateWidget}),
+    time: (fields.TimeField, {'widget': widgets.AdminTimeWidget}),
+    float: (fields.FloatField, {'widget': NUMERIC_WIDGET}),
+}
+
+if not six.PY3:
+    FIELDS.update({
+        long: INTEGER_LIKE,
+        unicode: STRING_LIKE,
+    })
+
+
+class ConstanceForm(forms.Form):
+    version = forms.CharField(widget=forms.HiddenInput)
+
+    def __init__(self, initial, *args, **kwargs):
+        super(ConstanceForm, self).__init__(*args, initial=initial, **kwargs)
+        version_hash = hashlib.md5()
+
+        for name, (default, help_text) in settings.CONFIG.items():
+            config_type = type(default)
+            if config_type not in FIELDS:
+                raise ImproperlyConfigured(_("Constance doesn't support "
+                                             "config values of the type "
+                                             "%(config_type)s. Please fix "
+                                             "the value of '%(name)s'.")
+                                           % {'config_type': config_type,
+                                              'name': name})
+            field_class, kwargs = FIELDS[config_type]
+            self.fields[name] = field_class(label=name, **kwargs)
+
+            version_hash.update(smart_bytes(initial.get(name, '')))
+        self.initial['version'] = version_hash.hexdigest()
+
+    def save(self):
+        for name in settings.CONFIG:
+            setattr(config, name, self.cleaned_data[name])
+
+    def clean_version(self):
+        value = self.cleaned_data['version']
+        if value != self.initial['version']:
+            raise forms.ValidationError(_('The settings have been modified '
+                                          'by someone else. Please reload the '
+                                          'form and resubmit your changes.'))
+        return value
+
+
+class ConstanceAdmin(admin.ModelAdmin):
+
+    def get_urls(self):
+        info = self.model._meta.app_label, self.model._meta.module_name
+        return patterns('',
+            url(r'^$',
+                self.admin_site.admin_view(self.changelist_view),
+                name='%s_%s_changelist' % info),
+            url(r'^$',
+                self.admin_site.admin_view(self.changelist_view),
+                name='%s_%s_add' % info),
+        )
+
+    @csrf_protect_m
+    def changelist_view(self, request, extra_context=None):
+        # First load a mapping between config name and default value
+        if not self.has_change_permission(request, None):
+            raise PermissionDenied
+        default_initial = ((name, default)
+            for name, (default, help_text) in settings.CONFIG.items())
+        # Then update the mapping with actually values from the backend
+        initial = dict(default_initial,
+            **dict(config._backend.mget(settings.CONFIG.keys())))
+        form = ConstanceForm(initial=initial)
+        if request.method == 'POST':
+            form = ConstanceForm(data=request.POST, initial=initial)
+            if form.is_valid():
+                form.save()
+                # In django 1.5 this can be replaced with self.message_user
+                messages.add_message(
+                    request,
+                    messages.SUCCESS,
+                    _('Live settings updated successfully.'),
+                )
+                return HttpResponseRedirect('.')
+        context = {
+            'config': [],
+            'title': _('Constance config'),
+            'app_label': 'constance',
+            'opts': Config._meta,
+            'form': form,
+            'media': self.media + form.media,
+        }
+        for name, (default, help_text) in settings.CONFIG.items():
+            # First try to load the value from the actual backend
+            value = initial.get(name)
+            # Then if the returned value is None, get the default
+            if value is None:
+                value = getattr(config, name)
+            context['config'].append({
+                'name': name,
+                'default': localize(default),
+                'help_text': _(help_text),
+                'value': localize(value),
+                'modified': value != default,
+                'form_field': form[name],
+            })
+        context['config'].sort(key=itemgetter('name'))
+        context_instance = RequestContext(request,
+                                          current_app=self.admin_site.name)
+        return render_to_response('admin/constance/change_list.html',
+            context, context_instance=context_instance)
+
+    def has_add_permission(self, *args, **kwargs):
+        return False
+
+    def has_delete_permission(self, *args, **kwargs):
+        return False
+
+    def has_change_permission(self, request, obj=None):
+        if settings.SUPERUSER_ONLY:
+            return request.user.is_superuser
+        return super(ConstanceAdmin, self).has_change_permission(request, obj)
+
+
+class Config(object):
+    class Meta(object):
+        app_label = 'constance'
+        object_name = 'Config'
+        model_name = module_name = 'config'
+        verbose_name_plural = _('config')
+        get_ordered_objects = lambda x: False
+        abstract = False
+        swapped = False
+
+        def get_change_permission(self):
+            return 'change_%s' % self.model_name
+
+    _meta = Meta()
+
+
+admin.site.register([Config], ConstanceAdmin)

thirdpart/constance/apps.py

@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+from django.utils.translation import ugettext_lazy as _
+
+
+class ConstanceConfig(AppConfig):
+    name = 'constance'
+    verbose_name = _('Constance')

thirdpart/constance/backends/__init__.py

@@ -0,0 +1,26 @@
+"""
+Defines the base constance backend
+"""
+
+
+class Backend(object):
+
+    def get(self, key):
+        """
+        Get the key from the backend store and return the value.
+        Return None if not found.
+        """
+        raise NotImplementedError
+
+    def mget(self, keys):
+        """
+        Get the keys from the backend store and return a list of the values.
+        Return an empty list if not found.
+        """
+        raise NotImplementedError
+
+    def set(self, key, value):
+        """
+        Add the value to the backend store given the key.
+        """
+        raise NotImplementedError

thirdpart/constance/backends/database/__init__.py

@@ -0,0 +1,94 @@
+from django.core.exceptions import ImproperlyConfigured
+from django.db.models.signals import post_save
+from django.core.cache import get_cache
+
+try:
+    from django.core.cache.backends.locmem import LocMemCache
+except ImportError:
+    from django.core.cache.backends.locmem import CacheClass as LocMemCache
+
+from .. import Backend
+from ... import settings
+
+
+class DatabaseBackend(Backend):
+    def __init__(self):
+        from .models import Constance
+        self._model = Constance
+        self._prefix = settings.DATABASE_PREFIX
+        self._autofill_timeout = settings.DATABASE_CACHE_AUTOFILL_TIMEOUT
+        self._autofill_cachekey = 'autofilled'
+
+        if not self._model._meta.installed:
+            raise ImproperlyConfigured(
+                "The constance.backends.database app isn't installed "
+                "correctly. Make sure it's in your INSTALLED_APPS setting.")
+
+        if settings.DATABASE_CACHE_BACKEND:
+            self._cache = get_cache(settings.DATABASE_CACHE_BACKEND)
+            if isinstance(self._cache, LocMemCache):
+                raise ImproperlyConfigured(
+                    "The CONSTANCE_DATABASE_CACHE_BACKEND setting refers to a "
+                    "subclass of Django's local-memory backend (%r). Please set "
+                    "it to a backend that supports cross-process caching."
+                    % settings.DATABASE_CACHE_BACKEND)
+        else:
+            self._cache = None
+        self.autofill()
+        # Clear simple cache.
+        post_save.connect(self.clear, sender=self._model)
+
+    def add_prefix(self, key):
+        return "%s%s" % (self._prefix, key)
+
+    def autofill(self):
+        if not self._autofill_timeout or not self._cache:
+            return
+        full_cachekey = self.add_prefix(self._autofill_cachekey)
+        if self._cache.get(full_cachekey):
+            return
+        autofill_values = {}
+        autofill_values[full_cachekey] = 1
+        for key, value in self.mget(settings.CONFIG.keys()):
+            autofill_values[self.add_prefix(key)] = value
+        self._cache.set_many(autofill_values, timeout=self._autofill_timeout)
+
+    def mget(self, keys):
+        if not keys:
+            return
+        keys = dict((self.add_prefix(key), key) for key in keys)
+        stored = self._model._default_manager.filter(key__in=keys.keys())
+        for const in stored:
+            yield keys[const.key], const.value
+
+    def get(self, key):
+        key = self.add_prefix(key)
+        if self._cache:
+            value = self._cache.get(key)
+        else:
+            value = None
+        if value is None:
+            try:
+                value = self._model._default_manager.get(key=key).value
+            except self._model.DoesNotExist:
+                pass
+            else:
+                if self._cache:
+                    self._cache.add(key, value)
+        return value
+
+    def set(self, key, value):
+        constance, created = self._model._default_manager.get_or_create(
+            key=self.add_prefix(key), defaults={'value': value}
+        )
+        if not created:
+            constance.value = value
+            constance.save()
+
+    def clear(self, sender, instance, created, **kwargs):
+        if self._cache and not created:
+            keys = [self.add_prefix(k)
+                    for k in settings.CONFIG.keys()]
+            keys.append(self.add_prefix(self._autofill_cachekey))
+            self._cache.delete_many(keys)
+            self.autofill()

thirdpart/constance/backends/database/migrations/0001_initial.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import picklefield.fields
+
+
+class Migration(migrations.Migration):
+    dependencies = []
+
+    operations = [
+        migrations.CreateModel(
+            name='Constance',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', primary_key=True,
+                                        auto_created=True, serialize=False)),
+                ('key', models.CharField(unique=True, max_length=255)),
+                ('value', picklefield.fields.PickledObjectField(editable=False)),
+            ],
+            options={
+                'verbose_name': 'constance',
+                'verbose_name_plural': 'constances',
+                'db_table': 'constance_config',
+            },
+            bases=(models.Model,),
+        ),
+    ]

thirdpart/constance/backends/database/models.py

@@ -0,0 +1,24 @@
+from django.db import models
+from django.core.exceptions import ImproperlyConfigured
+
+from django.utils.translation import ugettext_lazy as _
+
+try:
+    from picklefield import PickledObjectField
+except ImportError:
+    raise ImproperlyConfigured("Couldn't find the the 3rd party app "
+                               "django-picklefield which is required for "
+                               "the constance database backend.")
+
+
+class Constance(models.Model):
+    key = models.CharField(max_length=255, unique=True)
+    value = PickledObjectField()
+
+    class Meta:
+        verbose_name = _('constance')
+        verbose_name_plural = _('constances')
+        db_table = 'constance_config'
+
+    def __unicode__(self):
+        return self.key

thirdpart/constance/backends/database/south_migrations/0001_initial.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+from south.db import db
+from south.v2 import SchemaMigration
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding model 'Constance'
+        db.create_table('constance_config', (
+            ('id', self.gf('django.db.models.fields.AutoField')(
+                primary_key=True)),
+            ('key', self.gf('django.db.models.fields.TextField')()),
+            ('value', self.gf('picklefield.fields.PickledObjectField')()),
+        ))
+        db.send_create_signal('database', ['Constance'])
+
+    def backwards(self, orm):
+        # Deleting model 'Constance'
+        db.delete_table('constance_config')
+
+    models = {
+        'database.constance': {
+            'Meta': {'object_name': 'Constance',
+                     'db_table': "'constance_config'"},
+            'id': ('django.db.models.fields.AutoField', [],
+                   {'primary_key': 'True'}),
+            'key': ('django.db.models.fields.TextField', [], {}),
+            'value': ('picklefield.fields.PickledObjectField', [], {})
+        }
+    }
+
+    complete_apps = ['database']

thirdpart/constance/backends/database/south_migrations/0002_auto__chg_field_constance_key__add_unique_constance_key.py

@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+from south.db import db
+from south.v2 import SchemaMigration
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Changing field 'Constance.key'
+        db.alter_column('constance_config', 'key',
+                        self.gf('django.db.models.fields.CharField')(
+                            max_length=255))
+        # Adding unique constraint on 'Constance', fields ['key']
+        db.create_unique('constance_config', ['key'])
+
+    def backwards(self, orm):
+        # Removing unique constraint on 'Constance', fields ['key']
+        db.delete_unique('constance_config', ['key'])
+
+        # Changing field 'Constance.key'
+        db.alter_column('constance_config', 'key',
+                        self.gf('django.db.models.fields.TextField')())
+
+    models = {
+        'database.constance': {
+            'Meta': {'object_name': 'Constance',
+                     'db_table': "'constance_config'"},
+            'id': ('django.db.models.fields.AutoField', [],
+                   {'primary_key': 'True'}),
+            'key': ('django.db.models.fields.CharField', [],
+                    {'unique': 'True', 'max_length': '255'}),
+            'value': ('picklefield.fields.PickledObjectField', [], {})
+        }
+    }
+
+    complete_apps = ['database']

thirdpart/constance/backends/redisd.py

@@ -0,0 +1,51 @@
+from django.core.exceptions import ImproperlyConfigured
+from django.utils import six
+from django.utils.six.moves import zip
+
+from . import Backend
+from .. import settings, utils
+
+try:
+    from cPickle import loads, dumps
+except ImportError:
+    from pickle import loads, dumps
+
+
+class RedisBackend(Backend):
+
+    def __init__(self):
+        super(RedisBackend, self).__init__()
+        self._prefix = settings.REDIS_PREFIX
+        connection_cls = settings.REDIS_CONNECTION_CLASS
+        if connection_cls is not None:
+            self._rd = utils.import_module_attr(connection_cls)()
+        else:
+            try:
+                import redis
+            except ImportError:
+                raise ImproperlyConfigured(
+                    "The Redis backend requires redis-py to be installed.")
+            if isinstance(settings.REDIS_CONNECTION, six.string_types):
+                self._rd = redis.from_url(settings.REDIS_CONNECTION)
+            else:
+                self._rd = redis.Redis(**settings.REDIS_CONNECTION)
+
+    def add_prefix(self, key):
+        return "%s%s" % (self._prefix, key)
+
+    def get(self, key):
+        value = self._rd.get(self.add_prefix(key))
+        if value:
+            return loads(value)
+        return None
+
+    def mget(self, keys):
+        if not keys:
+            return
+        prefixed_keys = [self.add_prefix(key) for key in keys]
+        for key, value in zip(keys, self._rd.mget(prefixed_keys)):
+            if value:
+                yield key, loads(value)
+
+    def set(self, key, value):
+        self._rd.set(self.add_prefix(key), dumps(value))

thirdpart/constance/base.py

@@ -0,0 +1,30 @@
+from . import settings, utils
+
+
+class Config(object):
+    """
+    The global config wrapper that handles the backend.
+    """
+    def __init__(self):
+        super(Config, self).__setattr__('_backend',
+            utils.import_module_attr(settings.BACKEND)())
+
+    def __getattr__(self, key):
+        try:
+            default, help_text = settings.CONFIG[key]
+        except KeyError:
+            raise AttributeError(key)
+        result = self._backend.get(key)
+        if result is None:
+            result = default
+            setattr(self, key, default)
+            return result
+        return result
+
+    def __setattr__(self, key, value):
+        if key not in settings.CONFIG:
+            raise AttributeError(key)
+        self._backend.set(key, value)
+
+    def __dir__(self):
+        return settings.CONFIG.keys()

thirdpart/constance/context_processors.py

@@ -0,0 +1,15 @@
+import constance
+
+
+def config(request):
+    """
+    Simple context processor that puts the config into every
+    RequestContext. Just make sure you have a setting like this:
+
+        TEMPLATE_CONTEXT_PROCESSORS = (
+            # ...
+            'constance.context_processors.config',
+        )
+
+    """
+    return {"config": constance.config}

thirdpart/constance/locale/cs_CZ/LC_MESSAGES/django.po

@@ -0,0 +1,79 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# 
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django-constance\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2014-11-27 19:05+0100\n"
+"PO-Revision-Date: 2014-11-27 18:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Czech (Czech Republic) (http://www.transifex.com/projects/p/django-constance/language/cs_CZ/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: cs_CZ\n"
+"Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
+
+#: admin.py:72
+#, python-format
+msgid ""
+"Constance doesn't support config values of the type %(config_type)s. Please "
+"fix the value of '%(name)s'."
+msgstr ""
+
+#: admin.py:91
+msgid ""
+"The settings have been modified by someone else. Please reload the form and "
+"resubmit your changes."
+msgstr ""
+
+#: admin.py:129
+msgid "Live settings updated successfully."
+msgstr "Nastavení bylo úspěšně uloženo."
+
+#: admin.py:134
+msgid "Constance config"
+msgstr "Nastavení konstant"
+
+#: admin.py:177
+msgid "config"
+msgstr "nastavení"
+
+#: apps.py:9
+msgid "Constance"
+msgstr ""
+
+#: backends/database/models.py:19
+msgid "constance"
+msgstr "konstanta"
+
+#: backends/database/models.py:20
+msgid "constances"
+msgstr "konstanty"
+
+#: templates/admin/constance/change_list.html:50
+msgid "Name"
+msgstr "Název"
+
+#: templates/admin/constance/change_list.html:51
+msgid "Default"
+msgstr "Výchozí hodnota"
+
+#: templates/admin/constance/change_list.html:52
+msgid "Value"
+msgstr "Hodnota"
+
+#: templates/admin/constance/change_list.html:53
+msgid "Is modified"
+msgstr "Je změněna?"
+
+#: templates/admin/constance/change_list.html:79
+msgid "Save"
+msgstr "Uložit"
+
+#: templates/admin/constance/change_list.html:89
+msgid "Home"
+msgstr "Domů"

thirdpart/constance/locale/de/LC_MESSAGES/django.po

@@ -0,0 +1,80 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# 
+# Translators:
+# Jannis Leidel <jannis@leidel.info>, 2014
+msgid ""
+msgstr ""
+"Project-Id-Version: django-constance\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2014-11-27 19:05+0100\n"
+"PO-Revision-Date: 2014-11-27 18:17+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: German (http://www.transifex.com/projects/p/django-constance/language/de/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: de\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: admin.py:72
+#, python-format
+msgid ""
+"Constance doesn't support config values of the type %(config_type)s. Please "
+"fix the value of '%(name)s'."
+msgstr "Konstanze unterstützt die Konfigurationswerte vom Typ %(config_type)s nicht. Bitte den Ausgangswert von '%(name)s' ändern."
+
+#: admin.py:91
+msgid ""
+"The settings have been modified by someone else. Please reload the form and "
+"resubmit your changes."
+msgstr "Die Konfiguration wurde seit Öffnen dieser Seite verändert. Bitte die Seite neuladen und die Änderungen erneut vornehmen."
+
+#: admin.py:129
+msgid "Live settings updated successfully."
+msgstr "Die Livekonfiguration wurde erfolgreich aktualisiert."
+
+#: admin.py:134
+msgid "Constance config"
+msgstr "Constance Konfiguration"
+
+#: admin.py:177
+msgid "config"
+msgstr "Konfiguration"
+
+#: apps.py:9
+msgid "Constance"
+msgstr "Konstanze"
+
+#: backends/database/models.py:19
+msgid "constance"
+msgstr "Konstanze"
+
+#: backends/database/models.py:20
+msgid "constances"
+msgstr "Konstanzes"
+
+#: templates/admin/constance/change_list.html:50
+msgid "Name"
+msgstr "Name"
+
+#: templates/admin/constance/change_list.html:51
+msgid "Default"
+msgstr "Voreinstellung"
+
+#: templates/admin/constance/change_list.html:52
+msgid "Value"
+msgstr "Wert"
+
+#: templates/admin/constance/change_list.html:53
+msgid "Is modified"
+msgstr "Ist modifiziert"
+
+#: templates/admin/constance/change_list.html:79
+msgid "Save"
+msgstr "Sichern"
+
+#: templates/admin/constance/change_list.html:89
+msgid "Home"
+msgstr "Start"

thirdpart/constance/locale/en/LC_MESSAGES/django.po

@@ -0,0 +1,79 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2014-11-27 19:05+0100\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: admin.py:72
+#, python-format
+msgid ""
+"Constance doesn't support config values of the type %(config_type)s. Please "
+"fix the value of '%(name)s'."
+msgstr ""
+
+#: admin.py:91
+msgid ""
+"The settings have been modified by someone else. Please reload the form and "
+"resubmit your changes."
+msgstr ""
+
+#: admin.py:129
+msgid "Live settings updated successfully."
+msgstr ""
+
+#: admin.py:134
+msgid "Constance config"
+msgstr ""
+
+#: admin.py:177
+msgid "config"
+msgstr ""
+
+#: apps.py:9
+msgid "Constance"
+msgstr ""
+
+#: backends/database/models.py:19
+msgid "constance"
+msgstr ""
+
+#: backends/database/models.py:20
+msgid "constances"
+msgstr ""
+
+#: templates/admin/constance/change_list.html:50
+msgid "Name"
+msgstr ""
+
+#: templates/admin/constance/change_list.html:51
+msgid "Default"
+msgstr ""
+
+#: templates/admin/constance/change_list.html:52
+msgid "Value"
+msgstr ""
+
+#: templates/admin/constance/change_list.html:53
+msgid "Is modified"
+msgstr ""
+
+#: templates/admin/constance/change_list.html:79
+msgid "Save"
+msgstr ""
+
+#: templates/admin/constance/change_list.html:89
+msgid "Home"
+msgstr ""

thirdpart/constance/locale/it/LC_MESSAGES/django.po

@@ -0,0 +1,79 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# 
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django-constance\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2014-11-27 19:05+0100\n"
+"PO-Revision-Date: 2014-11-27 18:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Italian (http://www.transifex.com/projects/p/django-constance/language/it/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: it\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: admin.py:72
+#, python-format
+msgid ""
+"Constance doesn't support config values of the type %(config_type)s. Please "
+"fix the value of '%(name)s'."
+msgstr ""
+
+#: admin.py:91
+msgid ""
+"The settings have been modified by someone else. Please reload the form and "
+"resubmit your changes."
+msgstr ""
+
+#: admin.py:129
+msgid "Live settings updated successfully."
+msgstr "Le impostazioni attive sono state aggiornate correttamente."
+
+#: admin.py:134
+msgid "Constance config"
+msgstr "Configurazione Impostazioni"
+
+#: admin.py:177
+msgid "config"
+msgstr ""
+
+#: apps.py:9
+msgid "Constance"
+msgstr ""
+
+#: backends/database/models.py:19
+msgid "constance"
+msgstr "impostazione"
+
+#: backends/database/models.py:20
+msgid "constances"
+msgstr "impostazioni"
+
+#: templates/admin/constance/change_list.html:50
+msgid "Name"
+msgstr "Nome"
+
+#: templates/admin/constance/change_list.html:51
+msgid "Default"
+msgstr "Default"
+
+#: templates/admin/constance/change_list.html:52
+msgid "Value"
+msgstr "Valore"
+
+#: templates/admin/constance/change_list.html:53
+msgid "Is modified"
+msgstr "Modificato"
+
+#: templates/admin/constance/change_list.html:79
+msgid "Save"
+msgstr "Salva"
+
+#: templates/admin/constance/change_list.html:89
+msgid "Home"
+msgstr "Inizio"

thirdpart/constance/locale/pl/LC_MESSAGES/django.po

@@ -0,0 +1,79 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# 
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django-constance\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2014-11-27 19:05+0100\n"
+"PO-Revision-Date: 2014-11-27 18:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Polish (http://www.transifex.com/projects/p/django-constance/language/pl/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: pl\n"
+"Plural-Forms: nplurals=3; plural=(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+#: admin.py:72
+#, python-format
+msgid ""
+"Constance doesn't support config values of the type %(config_type)s. Please "
+"fix the value of '%(name)s'."
+msgstr ""
+
+#: admin.py:91
+msgid ""
+"The settings have been modified by someone else. Please reload the form and "
+"resubmit your changes."
+msgstr ""
+
+#: admin.py:129
+msgid "Live settings updated successfully."
+msgstr "Parametry zostały zaktualizowane"
+
+#: admin.py:134
+msgid "Constance config"
+msgstr "Konfiguracja Constance"
+
+#: admin.py:177
+msgid "config"
+msgstr ""
+
+#: apps.py:9
+msgid "Constance"
+msgstr ""
+
+#: backends/database/models.py:19
+msgid "constance"
+msgstr "parametr"
+
+#: backends/database/models.py:20
+msgid "constances"
+msgstr "parametry"
+
+#: templates/admin/constance/change_list.html:50
+msgid "Name"
+msgstr "Nazwa"
+
+#: templates/admin/constance/change_list.html:51
+msgid "Default"
+msgstr "Domyślnie"
+
+#: templates/admin/constance/change_list.html:52
+msgid "Value"
+msgstr "Wartość"
+
+#: templates/admin/constance/change_list.html:53
+msgid "Is modified"
+msgstr "Zmodyfikowana"
+
+#: templates/admin/constance/change_list.html:79
+msgid "Save"
+msgstr "Zapisz"
+
+#: templates/admin/constance/change_list.html:89
+msgid "Home"
+msgstr "Początek"

thirdpart/constance/locale/ru/LC_MESSAGES/django.po

@@ -0,0 +1,79 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# 
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django-constance\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2014-11-27 19:05+0100\n"
+"PO-Revision-Date: 2014-11-27 18:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Russian (http://www.transifex.com/projects/p/django-constance/language/ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+#: admin.py:72
+#, python-format
+msgid ""
+"Constance doesn't support config values of the type %(config_type)s. Please "
+"fix the value of '%(name)s'."
+msgstr ""
+
+#: admin.py:91
+msgid ""
+"The settings have been modified by someone else. Please reload the form and "
+"resubmit your changes."
+msgstr ""
+
+#: admin.py:129
+msgid "Live settings updated successfully."
+msgstr "Настройки успешно сохранены"
+
+#: admin.py:134
+msgid "Constance config"
+msgstr "Настройки"
+
+#: admin.py:177
+msgid "config"
+msgstr "настройки"
+
+#: apps.py:9
+msgid "Constance"
+msgstr ""
+
+#: backends/database/models.py:19
+msgid "constance"
+msgstr "настройки"
+
+#: backends/database/models.py:20
+msgid "constances"
+msgstr "настройки"
+
+#: templates/admin/constance/change_list.html:50
+msgid "Name"
+msgstr "Название"
+
+#: templates/admin/constance/change_list.html:51
+msgid "Default"
+msgstr "По умолчанию"
+
+#: templates/admin/constance/change_list.html:52
+msgid "Value"
+msgstr "Текущее значение"
+
+#: templates/admin/constance/change_list.html:53
+msgid "Is modified"
+msgstr "Было изменено"
+
+#: templates/admin/constance/change_list.html:79
+msgid "Save"
+msgstr "Сохранить"
+
+#: templates/admin/constance/change_list.html:89
+msgid "Home"
+msgstr "Главная"

thirdpart/constance/locale/zh_CN/LC_MESSAGES/django.po

@@ -0,0 +1,79 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# 
+# Translators:
+msgid ""
+msgstr ""
+"Project-Id-Version: django-constance\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2014-11-27 19:05+0100\n"
+"PO-Revision-Date: 2014-11-27 18:13+0000\n"
+"Last-Translator: Jannis Leidel <jannis@leidel.info>\n"
+"Language-Team: Chinese (China) (http://www.transifex.com/projects/p/django-constance/language/zh_CN/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: zh_CN\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#: admin.py:72
+#, python-format
+msgid ""
+"Constance doesn't support config values of the type %(config_type)s. Please "
+"fix the value of '%(name)s'."
+msgstr ""
+
+#: admin.py:91
+msgid ""
+"The settings have been modified by someone else. Please reload the form and "
+"resubmit your changes."
+msgstr ""
+
+#: admin.py:129
+msgid "Live settings updated successfully."
+msgstr "成功更新实时配置"
+
+#: admin.py:134
+msgid "Constance config"
+msgstr "常量配置"
+
+#: admin.py:177
+msgid "config"
+msgstr "配置"
+
+#: apps.py:9
+msgid "Constance"
+msgstr ""
+
+#: backends/database/models.py:19
+msgid "constance"
+msgstr "常量"
+
+#: backends/database/models.py:20
+msgid "constances"
+msgstr "常量"
+
+#: templates/admin/constance/change_list.html:50
+msgid "Name"
+msgstr "名称"
+
+#: templates/admin/constance/change_list.html:51
+msgid "Default"
+msgstr "默认值"
+
+#: templates/admin/constance/change_list.html:52
+msgid "Value"
+msgstr "值"
+
+#: templates/admin/constance/change_list.html:53
+msgid "Is modified"
+msgstr "是否修改"
+
+#: templates/admin/constance/change_list.html:79
+msgid "Save"
+msgstr "保存"
+
+#: templates/admin/constance/change_list.html:89
+msgid "Home"
+msgstr "首页"

thirdpart/constance/models.py

@@ -0,0 +1,24 @@
+from django.db.models import signals
+
+
+def create_perm(app, created_models, verbosity, db, **kwargs):
+    """
+    Creates a fake content type and permission
+    to be able to check for permissions
+    """
+    from django.contrib.auth.models import Permission
+    from django.contrib.contenttypes.models import ContentType
+
+    if ContentType._meta.installed and Permission._meta.installed:
+        content_type, created = ContentType.objects.get_or_create(
+            name='config',
+            app_label='constance',
+            model='config')
+
+        permission, created = Permission.objects.get_or_create(
+            name='Can change config',
+            content_type=content_type,
+            codename='change_config')
+
+
+signals.post_syncdb.connect(create_perm, dispatch_uid="constance.create_perm")

thirdpart/constance/settings.py

@@ -0,0 +1,24 @@
+from django.conf import settings
+
+BACKEND = getattr(settings, 'CONSTANCE_BACKEND',
+                  'constance.backends.redisd.RedisBackend')
+
+CONFIG = getattr(settings, 'CONSTANCE_CONFIG', {})
+
+DATABASE_CACHE_BACKEND = getattr(settings, 'CONSTANCE_DATABASE_CACHE_BACKEND',
+                                 None)
+
+DATABASE_CACHE_AUTOFILL_TIMEOUT = getattr(settings,
+                                          'CONSTANCE_DATABASE_CACHE_AUTOFILL_TIMEOUT',
+                                          60 * 60 * 24)
+
+DATABASE_PREFIX = getattr(settings, 'CONSTANCE_DATABASE_PREFIX', '')
+
+REDIS_PREFIX = getattr(settings, 'CONSTANCE_REDIS_PREFIX', 'constance:')
+
+REDIS_CONNECTION_CLASS = getattr(settings, 'CONSTANCE_REDIS_CONNECTION_CLASS',
+                                 None)
+
+REDIS_CONNECTION = getattr(settings, 'CONSTANCE_REDIS_CONNECTION', {})
+
+SUPERUSER_ONLY = getattr(settings, 'CONSTANCE_SUPERUSER_ONLY', True)

thirdpart/constance/templates/admin/constance/change_list.html

@@ -0,0 +1,100 @@
+{% extends "admin/base_site.html" %}
+{% load admin_static admin_list i18n %}
+{% load url from future %}
+
+
+{% block extrastyle %}
+  {{ block.super }}
+  <link rel="stylesheet" type="text/css" href="{% static 'admin/css/changelists.css' %}" />
+  <link rel="stylesheet" type="text/css" href="{% static 'admin/css/forms.css' %}" />
+  {{ media.css }}
+  <style>
+    #result_list .changed {
+          background-color: #ffc;
+    }
+    #changelist table thead th .text {
+      padding: 2px 5px;
+    }
+    #changelist table tbody td:first-child {
+        text-align: left;
+    }
+    #changelist-form ul.errorlist {
+      margin: 0 !important;
+    }
+    .help {
+        font-weight: normal !important;
+  }
+  </style>
+{% endblock %}
+
+{% block extrahead %}
+{% url 'admin:jsi18n' as jsi18nurl %}
+<script type="text/javascript" src="{{ jsi18nurl|default:'../../jsi18n/' }}"></script>
+{{ block.super }}
+{{ media.js }}
+{% endblock %}
+
+{% block bodyclass %}change-list{% endblock %}
+
+{% block content %}
+  <div id="content-main">
+    <div class="module" id="changelist">
+        <form id="changelist-form" action="" method="post">{% csrf_token %}
+            {% if form.errors %}
+            <ul class="errorlist">
+            {% endif %}
+            {% for field in form.hidden_fields %}
+                {% for error in field.errors %}
+                  <li>{{ error }}</li>
+                {% endfor %}
+                {{ field }}
+            {% endfor %}
+            {% if form.errors %}
+            </ul>
+            {% endif %}
+            <table cellspacing="0" id="result_list">
+                <thead>
+                <tr>
+                    <th><div class="text">{% trans "Name" %}</div></th>
+                    <th><div class="text">{% trans "Default" %}</div></th>
+                    <th><div class="text">{% trans "Value" %}</div></th>
+                    <th><div class="text">{% trans "Is modified" %}</div></th>
+                </tr>
+                </thead>
+                {% for item in config %}
+                <tr class="{% cycle 'row1' 'row2' %}">
+                    <th>{{ item.name }}
+                        <div class="help">{{ item.help_text }}</div>
+                    </th>
+                    <td>
+                        {{ item.default }}
+                    </td>
+                        <td>
+                            {{ item.form_field.errors }}
+                            {{ item.form_field }}
+                        </td>
+                    <td>
+                        {% if item.modified %}
+                            <img src="{% static 'admin/img/icon-yes.gif' %}" alt="{{ item.modified }}" />
+                        {% else %}
+                            <img src="{% static 'admin/img/icon-no.gif' %}" alt="{{ item.modified }}" />
+                        {% endif %}
+                    </td>
+                    </tr>
+                {% endfor %}
+            </table>
+            <p class="paginator">
+            <input type="submit" name="_save" class="default" value="{% trans 'Save' %}"/>
+            </p>
+        </form>
+    </div>
+  </div>
+{% endblock %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% trans 'Home' %}</a>
+&rsaquo; <a href="{% url 'admin:app_list' app_label=opts.app_label %}">{{ app_label|capfirst|escape }}</a>
+&rsaquo; {{ opts.verbose_name_plural|capfirst }}
+</div>
+{% endblock %}

thirdpart/constance/utils.py

@@ -0,0 +1,6 @@
+from django.utils.importlib import import_module
+
+
+def import_module_attr(path):
+    package, module = path.rsplit('.', 1)
+    return getattr(import_module(package), module)