Let CircleCI publish the package to PyPi

Author: Photonios

.circleci/config.yml

@@ -6,7 +6,7 @@ executors:
       version:
         type: string
     docker:
-      - image: python:<< parameters.version >>-alpine
+      - image: python:<< parameters.version >>-buster
       - image: postgres:11.0
         environment:
           POSTGRES_DB: 'psqlextra'
@@ -22,11 +22,11 @@ commands:
     steps:
       - run:
           name: Install packages
-          command: apk add postgresql-libs gcc musl-dev postgresql-dev git
+          command: apt-get update && apt-get install -y --no-install-recommends postgresql-client-11 libpq-dev build-essential git
 
       - run:
           name: Install Python packages
-          command: pip install --progress-bar off .[<< parameters.extra >>]
+          command: pip install --progress-bar off '.[<< parameters.extra >>]'
 
   run-tests:
     parameters:
@@ -121,14 +121,80 @@ jobs:
           name: Verify
           command: python setup.py verify
 
+  publish:
+    executor:
+      name: python
+      version: "3.9"
+    steps:
+      - checkout
+      - install-dependencies:
+          extra: publish
+      - run:
+          name: Set version number
+          command: echo "__version__ = \"${CIRCLE_TAG:1}\"" > psqlextra/_version.py
+      - run:
+          name: Build package
+          command: python -m build
+      - run:
+          name: Publish package
+          command: >
+            python -m twine upload
+            --username "${PYPI_REPO_USERNAME}"
+            --password "${PYPI_REPO_PASSWORD}"
+            --verbose
+            --non-interactive
+            --disable-progress-bar
+            dist/*
 
 workflows:
-  version: 2
   build:
     jobs:
-      - test-python36
-      - test-python37
-      - test-python38
-      - test-python39
-      - test-python310
-      - analysis
+      - test-python36:
+          filters:
+            tags:
+              only: /.*/
+            branches:
+              only: /.*/
+      - test-python37:
+          filters:
+            tags:
+              only: /.*/
+            branches:
+              only: /.*/
+      - test-python38:
+          filters:
+            tags:
+              only: /.*/
+            branches:
+              only: /.*/
+      - test-python39:
+          filters:
+            tags:
+              only: /.*/
+            branches:
+              only: /.*/
+      - test-python310:
+          filters:
+            tags:
+              only: /.*/
+            branches:
+              only: /.*/
+      - analysis:
+          filters:
+            tags:
+              only: /.*/
+            branches:
+              only: /.*/
+      - publish:
+          requires:
+            - test-python36
+            - test-python37
+            - test-python38
+            - test-python39
+            - test-python310
+            - analysis
+          filters:
+            tags:
+              only: /^v.*/
+            branches:
+              ignore: /.*/

psqlextra/__init__.py

@@ -1,4 +1,15 @@
 import django
 
+from ._version import __version__
+
 if django.VERSION < (3, 2):  # pragma: no cover
     default_app_config = "psqlextra.apps.PostgresExtraAppConfig"
+
+    __all__ = [
+        "default_app_config",
+        "__version__",
+    ]
+else:
+    __all__ = [
+        "__version__",
+    ]

psqlextra/_version.py

@@ -0,0 +1 @@
+__version__ = "2.0.4"

setup.py

@@ -4,6 +4,8 @@
 
 from setuptools import find_packages, setup
 
+exec(open("psqlextra/_version.py").read())
+
 
 class BaseCommand(distutils.cmd.Command):
     user_options = []
@@ -36,7 +38,7 @@ def run(self):
 
 setup(
     name="django-postgres-extra",
-    version="2.0.4",
+    version=__version__,
     packages=find_packages(exclude=["tests"]),
     include_package_data=True,
     license="MIT License",
@@ -90,10 +92,23 @@ def run(self):
             "isort==5.10.0",
             "docformatter==1.4",
         ],
+        "publish": [
+            "build==0.7.0",
+            "twine==3.7.1",
+        ],
     },
     cmdclass={
         "lint": create_command(
-            "Lints the code", [["flake8", "setup.py", "psqlextra", "tests"]]
+            "Lints the code",
+            [
+                [
+                    "flake8",
+                    "--builtin=__version__",
+                    "setup.py",
+                    "psqlextra",
+                    "tests",
+                ]
+            ],
         ),
         "lint_fix": create_command(
             "Lints the code",