Django management command to copy translations from Loco endpoints to local PO files

import_translations_from_loco.py

from django.conf import settings
from django.core.management.base import BaseCommand, CommandError
from os.path import join
from urllib import urlretrieve


class Command(BaseCommand):
    help = 'Imports translations from Loco'

    def handle(self, *args, **options):
        if len(args) != 1:
            raise CommandError("You must specify a local locale name")
        locale = args[0]
        if locale not in settings.LOCALE_MAP:
            raise CommandError("Invalid locale specified")
        locale = settings.LOCALE_MAP[locale]

        url = "https://localise.biz:443/api/export/locale/{0}.po?key={1}&format=gettext" \
                  .format(locale['loco_name'], settings.LOCO_PROJECT_API_KEY)
        filename, headers = urlretrieve(url, join(locale['path'], 'django.po'))

        self.stdout.write('Imported Loco translations for locale: {0}\n'.format(args[0]))
        self.stdout.write('You can now run `django-admin compilemessages` to compile the new PO data.\n')

settings.py

''' Map local locales to Loco locales. Ha. Keys are locale names this side. '''
LOCO_PROJECT_API_KEY = 'YOUR_LOCO_API_KEY_HERE'
LOCALE_MAP = {
    'de': {
        'loco_name': 'de_DE',
        'path': join(PROJECT_ROOT, 'locale', 'de', 'LC_MESSAGES'),
    },
    # etc
}