Build release archives and wheels from the CI

.gitlab-ci.yml

@@ -3,6 +3,7 @@ image: python
 stages:
   - linters
   - tests
+  - release
 
 variables:
   PIP_CACHE_DIR: "$CI_PROJECT_DIR/vendor/pip"
@@ -11,6 +12,10 @@ cache:
   paths:
     - vendor
 
+# ---
+# Linters
+# ---
+
 linters:
   stage: linters
   before_script:
@@ -21,6 +26,10 @@ linters:
     - isort --check --diff .
     - flake8 --exit-zero authens
 
+# ---
+# Test suite
+# ---
+
 before_script:
   - mkdir -p vendor/{apt,pip}
   - apt-get update -q && apt-get -o dir::cache::archives="vendor/apt" install -yqq python3-dev libldap2-dev libsasl2-dev
@@ -52,3 +61,21 @@ python38:
   script:
     - tox -e py38-django22
     - tox -e py38-django30
+
+# ---
+# Release artifacts
+# ---
+
+build_wheels:
+  stage: release
+  image: python
+  only:
+    - tags
+  artifacts:
+    paths:
+      - dist/*
+    when: on_success
+  before_script:
+    - pip install --upgrade setuptools wheel
+  script:
+    - python setup.py sdist bdist_wheel