Ecosyste.ms: Awesome

An open API service indexing awesome lists of open source software.

Awesome Lists | Featured Topics | Projects

https://github.com/tatterdemalion/django-nece

Content Translation Framework based on Postgresql's JSONB field
https://github.com/tatterdemalion/django-nece

content django django-framework i18n jsonb language languages postgres postgresql postgresql-database translation translations

Last synced: about 1 month ago
JSON representation

Content Translation Framework based on Postgresql's JSONB field

Awesome Lists containing this project

README

        

.. image:: https://img.shields.io/travis/tatterdemalion/django-nece/master.svg
:target: https://travis-ci.org/tatterdemalion/django-nece

.. image:: https://img.shields.io/coveralls/tatterdemalion/django-nece.svg
:target: https://coveralls.io/r/tatterdemalion/django-nece

.. image:: https://img.shields.io/pypi/v/nece.svg
:target: https://pypi.python.org/pypi/nece

.. image:: https://img.shields.io/pypi/pyversions/nece.svg
:target: https://pypi.python.org/pypi/nece/

IMPORTANT NOTICE
=====

This repository is not maintained anymore. Please feel free to fork. If you are interested, I will be happy to transfer the ownership and help with the ecosystem (travis, pip etc...) as much as I can.

nece?
=====

Introduction
------------

.. figure:: https://raw.githubusercontent.com/tatterdemalion/django-nece/master/images/nece.png
:alt: nece

A “Content Translation Framework” using Postgresql’s jsonb field. It
simply sets and gets translations from a jsonb field called
``translations``.

Why?
~~~~

You might ask why you should use django-nece since there are other, and
more mature content translation frameworks like `django-hvad`_ and
`django-modeltranslation`_. Both of them are good in some ways, worst in
others.

For instance, it is very hard for ``django-hvad`` users to get default
language if there is no corresponding translation for an object. And it
holds translated values in a different table, so every translation query
results in another hit to the database.

On the other hand ``django-modeltranslation`` adds multiple additional
fields for multiple languages. The number of fields inceases by the
number of languages you need to support. At the end it becomes a huge
chunk of an object if you need to add more than 20 languages.

``nece?`` more or less works like the latter one with an important
difference. It uses Postgresql’s new ``JSONB`` field to hold translation
information. And overrides the original one on query.

Dependencies
------------

::

postgresql >= 9.4.5
Django >= 1.9
psycopg2 >= 2.5.4

Installation
------------

via pypi:
~~~~~~~~~

::

pip install nece

via setup.py
~~~~~~~~~~~~

::

python setup.py install

Usage
-----

Lets say we have a model called ``Fruit``:

::

from nece.models import TranslationModel

class Fruit(TranslationModel):
name = CharField(max_length=255)

def __str__(self):
return self.name

class Meta:
translatable_fields = ('name',)

``TranslationModel`` adds a jsonb field to this table and sets
translations in a notation like the one below:

::

{u'de_de': {u'name': u'Apfel'},
u'tr_tr': {u'name': u'elma'}}

When we need the German translation we can simply choose the language
and get the attribute as usual:

::

>> f = Fruit.objects.get(name='apple')
>> print(f.name)
apple
>> f.language('de_de')
>> print(f.name)
Apfel

You can also filter out the ones containing any language translation:

::

>> Fruit.objects.all()
[, , ]
>> Fruit.objects.language('tr_tr')
[, ] # there is no translation for banana
>> Fruit.objects.language_or_default('tr_tr')
[, , ]
>> Fruit.objects.language('tr_tr').filter(name='elma')
[]
>> Fruit.objects.language('tr_tr').get(name='elma')

Updating translations
~~~~~~~~~~~~~~~~~~~~~

::

>> fruit._language_code
tr_tr
>> fruit.name
elma
>> fruit.translate(name='armut').save()
>> fruit.name
armut
>> fruit.language('en')
>> fruit.translate('it_it', name='pera')
>> fruit.language('it_it')
>> fruit.name
pera

Settings
--------

TRANSLATIONS_DEFAULT
~~~~~~~~~~~~~~~~~~~~

Default language code. Default value: ```en_us```

TRANSLATIONS_MAP
~~~~~~~~~~~~~~~~

Shortcuts for ```languagecode_countrycode``` notation.

Example:

::

TRANSLATIONS_MAP = {
"en": "en_us",
"tr": "tr_tr",
"ar": "ar_sy",
"bg": "bg_bg",
"cs": "cs_cz",
"da": "da_dk",
...
}

Default:

::

{'en': 'en_us'}

TRANSLATIONS_FALLBACK
~~~~~~~~~~~~~~~~~~~~~

Fallback language would be used if a translation is missing.

Example:

::
TRANSLATIONS_FALLBACK = {
'fr_ca': ['fr_fr'],
'en_us': ['en_gb'],
}

Admin panel
--------
Use `TranslatableModelAdmin` for pretty JSON editor (powered by `django-admin-json-editor`_).

.. figure:: https://raw.githubusercontent.com/tatterdemalion/django-nece/master/images/admin.png
:alt: nece

Example:

.. code-block:: python

# settings.py
INSTALLED_APPS = [
...
'django_admin_json_editor',
...
]

# admin.py
from nece.admin import TranslatableModelAdmin

class PlaceAdmin(TranslatableModelAdmin):
list_display = ('...')

Contributors & Thanks
---------------------

- `Erkan Ay`_
- `Ayman Khalil`_
- `Gönül Sabah`_
- `Faruk Rahmet`_
- `Mathieu Richardoz`_
- `Marc Hertzog`_
- `Alexey Kotenko`_

`Change Log`_

.. _django-hvad: https://github.com/kristianoellegaard/django-hvad
.. _django-modeltranslation: https://github.com/deschler/django-modeltranslation
.. _Erkan Ay: https://github.com/erkanay
.. _Ayman Khalil: https://github.com/aymankh86
.. _Gönül Sabah: https://github.com/gonulsabah
.. _Faruk Rahmet: https://github.com/farukrahmet
.. _Mathieu Richardoz: https://github.com/metamatik
.. _Marc Hertzog: https://github.com/kemar
.. _Alexey Kotenko: https://github.com/k0t3n
.. _Change Log: https://github.com/tatterdemalion/django-nece/blob/master/CHANGELOG.md
.. _django-admin-json-editor: https://github.com/abogushov/django-admin-json-editor