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COex Translator Django

Django app handling integration of COex Translator.

Installation

Install package

pip install git+ssh://git@github.com/COEXCZ/coex_translator_django.git
# or
poetry add git+ssh://git@github.com/COEXCZ/coex_translator_django.git

Configuration

Django settings

Add coex_translator to INSTALLED_APPS.

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',

    'coex_translator',
]

Setup in memory cache for translations.

DJANGO_CACHE_TRANSLATIONS = 'translations'
CACHES = {
    DJANGO_CACHE_TRANSLATIONS: {
        "BACKEND": "django.core.cache.backends.locmem.LocMemCache",
        'LOCATION': '{}:{}:{}'.format(PROJECT_NAME, ENVIRONMENT, DJANGO_CACHE_TRANSLATIONS),
        'TIMEOUT': None,
        'KEY_PREFIX': '{}:{}:{}'.format(PROJECT_NAME, ENVIRONMENT, DJANGO_CACHE_TRANSLATIONS)
    }
}

include urls

from django.urls import include, path

urlpatterns = [
    ...
    path('coex-translator/', include('coex_translator.urls')),
]

Deployment

Settings

The settings are namespaced under COEX_TRANSLATOR key.

Settings example:

import typing
import os

from decouple import AutoConfig, Csv

if typing.TYPE_CHECKING:
    from coex_translator.app_settings import CoexTranslatorSettings

config = AutoConfig(os.environ.get("DJANGO_CONFIG_ENV_DIR"))

PROJECT_NAME = config('PROJECT_NAME', default='coex_translator')


...


COEX_TRANSLATOR: "CoexTranslatorSettings" = {
    "API_BASE_URL": config('COEX_TRANSLATOR_API_BASE_URL', default=''),
    "API_TOKEN": config('COEX_TRANSLATOR_API_TOKEN', default=''),
    "UVICORN_RELOAD_FILE_PATH": config('COEX_TRANSLATOR_UVICORN_RELOAD_FILE_PATH', default=''),
    "STARTUP_REFRESH_ENABLED": config('COEX_TRANSLATOR_STARTUP_REFRESH_ENABLED', default=False, cast=bool),
    "DISABLE_IN_MANAGEMENT_COMMANDS": config('COEX_TRANSLATOR_DISABLE_IN_MANAGEMENT_COMMANDS', default=False, cast=bool),
    'WEBHOOK_SECRET': config('COEX_TRANSLATOR_WEBHOOK_SECRET', default=''),
    "AMQP": {
        "BROKER_URL": config('COEX_TRANSLATOR_AMQP_BROKER_URL', default=f"amqp://{PROJECT_NAME}:{PROJECT_NAME}@rabbitmq/{PROJECT_NAME}"),
        "QUEUE_PREFIX": config('COEX_TRANSLATOR_AMQP_QUEUE_PREFIX', default='translation'),
        "EXCHANGE": config('COEX_TRANSLATOR_AMQP_EXCHANGE', default='translation'),
        "ROUTING_KEY": config('COEX_TRANSLATOR_AMQP_ROUTING_KEY', default='translation'),
        "CONSUMER_DAEMON_ENABLED": config('COEX_TRANSLATOR_AMQP_CONSUMER_DAEMON_ENABLED', default=False, cast=bool),
        "CONNECTION_RETRY_COUNTDOWN": config('COEX_TRANSLATOR_AMQP_CONNECTION_RETRY_COUNTDOWN', default='1,10,100', cast=Csv(int)),
    },
    "STORAGE": {
        "ACCESS_KEY_ID": config('COEX_TRANSLATOR_STORAGE_ACCESS_KEY_ID', default=''),
        "SECRET_ACCESS_KEY": config('COEX_TRANSLATOR_STORAGE_SECRET_ACCESS_KEY', default=''),
        "REGION_NAME": config('COEX_TRANSLATOR_STORAGE_REGION_NAME', default=''),
        "ENDPOINT_URL": config('COEX_TRANSLATOR_STORAGE_ENDPOINT_URL', default=''),
        "BUCKET_NAME": config('COEX_TRANSLATOR_STORAGE_BUCKET_NAME', default=''),
        "FOLDER": config('COEX_TRANSLATOR_STORAGE_FOLDER', default=''),
    }
}

...

For up-to-date available settings, see CoexTranslatorSettings, or their usage in the test_project.

for k8s deployment (default):

Setup translation AMQP consumer in pod sidecar container.

python manage.py translation_amqp_consumer

Setup uvicorn worker with --reload-dir <path> option. https://www.uvicorn.org/settings/#development

uvicorn worker <app> --reload-dir <path>

and set

COEX_TRANSLATOR['UVICORN_RELOAD_FILE_PATH'] = "<path>/__init__.py"

translation AMQP consumer will touch this file when new version is published from COex Translator.

for other deployments (Docker SWARM):

 COEX_TRANSLATOR['AMQP']['CONSUMER_DAEMON_ENABLED'] = True

This will start translation AMQP consumer daemon in background of main worker process. Consumer will fetch and set new translations in cache when new version is published from COex Translator.

COEX_TRANSLATOR['STARTUP_REFRESH_ENABLED']['CONSUMER_DAEMON_ENABLED'] = True

To enable translations refresh on app worker startup.

Warning
To ensure that translations work properly even on Model class variables (e.g. Meta.verbose_name), call coex_translator.gettext.monkeypatch_translations() in the project's root __init__.py file.

Contribution

Install with dev dependencies

poetry install --with dev