feat: use atlas in make pull_translations (openedx#4037)

This contribution is part of the [FC-0012 project](https://openedx.atlassian.net/l/cp/XGS0iCcQ) which is sparked by the [Translation Infrastructure update OEP-58](https://open-edx-proposals.readthedocs.io/en/latest/architectural-decisions/oep-0058-arch-translations-management.html#specification).

Dockerfile

@@ -3,8 +3,9 @@ FROM ubuntu:focal as app
 ENV DEBIAN_FRONTEND noninteractive
 # System requirements.
 RUN apt update && \
-  apt-get install -qy \ 
+  apt-get install -qy \
   curl \
+  gettext \
   # required by bower installer
   git \
   language-pack-en \

Makefile

@@ -104,8 +104,19 @@ extract_translations: ## Extract strings to be translated, outputting .po and .m
 	cd course_discovery && PYTHONPATH="..:${PYTHONPATH}" django-admin.py compilemessages
 
 # This Make target should not be removed since it is relied on by a Jenkins job (`edx-internal/tools-edx-jenkins/translation-jobs.yml`), using `ecommerce-scripts/transifex`.
+ifeq ($(OPENEDX_ATLAS_PULL),)
 pull_translations: ## Pull translations from Transifex
 	tx pull -a -f -t --mode reviewed --minimum-perc=1
+else
+# Experimental: OEP-58 Pulls translations using atlas
+pull_translations:
+	find course_discovery/conf/locale -mindepth 1 -maxdepth 1 -type d -exec rm -r {} \;
+	atlas pull $(OPENEDX_ATLAS_ARGS) translations/course-discovery/course_discovery/conf/locale:course_discovery/conf/locale
+	python manage.py compilemessages
+
+	@echo "Translations pulled from Transifex and compiled."
+	@echo "'make static' or 'make static.dev' is required to update the js i18n files."
+endif
 
 # This Make target should not be removed since it is relied on by a Jenkins job (`edx-internal/tools-edx-jenkins/translation-jobs.yml`), using `ecommerce-scripts/transifex`.
 push_translations: ## Push source translation files (.po) to Transifex

requirements/base.in

@@ -65,6 +65,7 @@ html2text
 lxml
 jsonfield
 markdown
+openedx-atlas
 pillow
 pycountry
 python-dateutil

requirements/local.txt

@@ -558,6 +558,8 @@ oauthlib==3.2.2
     #   social-auth-core
 openai==0.27.8
     # via taxonomy-connector
+openedx-atlas==0.4.4
+    # via -r requirements/base.in
 openedx-events==8.5.0
     # via
     #   edx-event-bus-kafka

requirements/production.txt

@@ -447,6 +447,8 @@ oauthlib==3.2.2
     #   social-auth-core
 openai==0.27.8
     # via taxonomy-connector
+openedx-atlas==0.4.4
+    # via -r requirements/base.in
 openedx-events==8.5.0
     # via
     #   edx-event-bus-kafka