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148 lines
4.5 KiB
ReStructuredText
148 lines
4.5 KiB
ReStructuredText
django-localized-fields
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=======================
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.. image:: https://scrutinizer-ci.com/g/SectorLabs/django-localized-fields/badges/quality-score.png
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:target: https://scrutinizer-ci.com/g/SectorLabs/django-localized-fields/
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.. image:: https://scrutinizer-ci.com/g/SectorLabs/django-localized-fields/badges/coverage.png
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:target: https://scrutinizer-ci.com/g/SectorLabs/django-localized-fields/
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.. image:: https://travis-ci.com/SectorLabs/django-localized-fields.svg?token=sFgxhDFpypxkMcvhRoSz&branch=master
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:target: https://travis-ci.com/SectorLabs/django-localized-fields
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.. image:: https://img.shields.io/github/license/SectorLabs/django-localized-fields.svg
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``django-localized-fields`` is an implementation of a field class for Django models that allows the field's value to be set in multiple languages. It does this by utilizing the ``hstore`` type (PostgreSQL specific), which is available as ``models.HStoreField`` in Django 1.10.
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Usage
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-----
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Basic usage
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^^^^^^^^^^^
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Declare fields on your model as ``LocalizedField``:
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.. code-block:: python
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from django.db import models
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from localized_fields.fields import LocalizedField
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class MyModel(models.Model):
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title = LocalizedField()
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During migration, the field type will be changed to ``hstore``. From now on you can store multi-language content in this field:
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.. code-block:: python
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new = MyModel()
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new.title.en = 'english title'
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new.title.nl = 'dutch title'
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new.title.ro = 'romanian title'
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new.save()
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``django-localized-fields`` integrates with Django's i18n system, in order for certain languages to be available you have to correctly configure the ``LANGUAGES`` and ``LANGUAGE_CODE`` settings:
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.. code-block:: python
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LANGUAGE_CODE = 'en' # default language
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LANGUAGEs = (
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('en', 'English'),
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('nl', 'Dutch'),
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('ro', 'Romanian')
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)
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By changing the active language you can control which language is presented:
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.. code-block:: python
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from django.utils import translation
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translation.activate('nl')
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print(new.title) # prints 'dutch title'
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translation.activate('en')
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print(new.title) # prints 'english title'
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Or get it in a specific language:
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.. code-block:: python
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print(new.title.get('en')) # prints 'english title'
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print(new.title.get('ro')) # prints 'romanian title'
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print(new.title.get()) # whatever language is the currently active one
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You can also explicitly set a value in a certain language:
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.. code-block:: python
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new.title.set('en', 'other english title')
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new.title.set('nl', 'other dutch title')
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new.title.ro = 'other romanian title'
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Constraints
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^^^^^^^^^^^
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By default, the following constraints apply to a ``LocalizedField``:
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* Only the default language is ``required``. The other languages are optional and can be ``NULL``.
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* If ``null=True`` is specified on the ``LocalizedField``, then none of the languages are required.
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At the moment it is *not* possible to specifically instruct ``LocalizedField`` to mark certain languages as required or optional.
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Other fields
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^^^^^^^^^^^^
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Besides ``LocalizedField``, there's also:
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* ``LocalizedAutoSlugField``
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Automatically creates a slug for every language from the specified field. Depends upon:
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* django-autoslug
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Currently only supports `populate_from`. Example usage:
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.. code-block:: python
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from django.db import models
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from localized_fields.fields import (LocalizedField,
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LocalizedAutoSlugField)
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class MyModel(models.Model):
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title = LocalizedField()
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slug = LocalizedAutoSlugField(populate_from='title')
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* ``LocalizedBleachField``
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Automatically bleaches the content of the field.
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* django-bleach
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Example usage:
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.. code-block:: python
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from django.db import models
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from localized_fields.fields import (LocalizedField,
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LocalizedBleachField)
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class MyModel(models.Model):
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title = LocalizedField()
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description = LocalizedBleachField()
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Installation
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------------
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1. Install the package from PyPi:
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.. code-block:: bash
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$ pip install django-localized-fields
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2. Add ``localized_fields`` to your ``INSTALLED_APPS``:
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.. code-block:: bash
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INSTALLED_APPS = [
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....
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'localized_fields'
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]
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You're good to go! Happy hacking!
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