Django Parler is a powerful library that simplifies the process of creating multilingual Django projects. It provides a set of tools and utilities that make it easy to manage translations for your models and content. In this guide, we will walk through the steps of setting up and using Django Parler in your Django project.
To start using Django Parler, you need to install it via pip:
pip install django-parler
Next, add ‘parler’ to your INSTALLED_APPS in your Django settings file:
INSTALLED_APPS = [
...
'parler',
...
]Django Parler allows you to create translatable models by using its TranslatableModel and TranslatedFields. Here’s an example of how you can create a translatable model for a simple blog post:
from django.db import models
from parler.models import TranslatableModel, TranslatedFields
class Post(TranslatableModel):
translations = TranslatedFields(
title=models.CharField(max_length=200),
content=models.TextField(),
)In this example, the Post model has two translatable fields: title and content. These fields will be translated into multiple languages.
To enable translation editing in the Django admin, you need to register your translatable models using Django Parler’s TranslatableAdmin:
from django.contrib import admin
from parler.admin import TranslatableAdmin
from .models import Post
@admin.register(Post)
class PostAdmin(TranslatableAdmin):
PassNow, when you access the admin interface for your Post model, you will see tabs for each language where you can enter translations for the title and content fields.
You can access translated fields in your views and templates using Django Parler’s TranslatedFieldsModel. Here’s how you can retrieve the translated title of a post in a view:
from django.shortcuts import render
from .models import Post
from parler.utils.context import switch_language
def post_detail(request, post_id, language_code):
post = Post.objects.language(language_code).get(pk=post_id)
with switch_language(post, language_code):
title = post.title
return render(request, 'post_detail.html', {'post': post, 'title': title})In this example, we use the language method to specify the language in which we want to retrieve the post. We then use switch_language to temporarily switch the language of the post object to access the translated title.
Django Parler is a powerful tool for managing translations in Django projects. It simplifies the process of creating multilingual applications and provides a user interface for managing translations. By following the steps outlined in this guide, you can easily integrate Django Parler into your Django project and start building multilingual applications.
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