Restore gitlab CI

.gitlab-ci.yml

+default:
+  image: python:3.7-slim-buster
+
+stages:
+  - test
+  - deploy
+
+build:
+  stage: test
+  script:
+    - echo ---- ---- ---- SYSTEM DEPENDENCIES ---- ---- ----
+    - apt update
+    - apt install -y --no-install-recommends git
+    - echo ---- ---- ---- BUILD IMAGE ---- ---- ----
+    - pip3 install -r requirements.txt
+    - pip3 install -r requirements_opengroup.txt
+    - pip3 install -r requirements_dev.txt
+    - pytest tests --junitxml=report.xml
+  artifacts:
+    when: always
+    reports:
+      junit: report.xml
+
+# This job only runs on master, and it creates the lib and push it to the feed
+deploylib:
+  stage: deploy
+  script:
+    - echo ---- ---- ---- SYSTEM DEPENDENCIES ---- ---- ----
+    - apt update
+    - apt install -y --no-install-recommends git
+    - echo ---- ---- ---- BUILD IMAGE ---- ---- ----
+    - pip3 install -r requirements.txt
+    - pip3 install -r requirements_opengroup.txt
+    - pip3 install twine
+    - python3 setup.py sdist bdist_wheel
+    - TWINE_PASSWORD=${CI_JOB_TOKEN} TWINE_USERNAME=${CI_REGISTRY_USER} python -m twine upload --repository-url ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/pypi dist/*
+  rules:
+    - if: $CI_COMMIT_BRANCH == 'master'