First pass at circleci

Author: ardila

.circleci/config.yaml

@@ -0,0 +1,82 @@
+# CircleCI jobs are only enabled to on Pull Requests and commits to master branch.
+# "Only build pull requests" enabled in Project's Advanced Settings.
+version: 2.1
+jobs:
+  build_test:
+    docker:
+      - image: cimg/python:3.6
+    resource_class: small
+    steps:
+      - checkout # checkout source code to working directory
+      - run:
+          name: Install Environment Dependencies
+          command: | # install env dependencies
+            pip install poetry
+            poetry install
+      - run:
+          name: Black Formatting Check # Only validation, without re-formatting
+          command: |
+            black --check -t py36 .
+      - run:
+          name: Flake8 Lint Check # Uses setup.cfg for configuration
+          command: |
+            flake8 . --count --statistics
+      # TODO: fix pylint. and add a mypy check.
+      # - run:
+      #     name: Pylint Lint Check # Uses .pylintrc for configuration
+      #     command: |
+      #       pylint scaleapi
+      - run:
+          name: Pytest Test Cases
+          command: | # Run test suite, uses SCALE_TEST_API_KEY env variable
+            poetry run pytest
+  pypi_publish:
+    docker:
+      - image: cimg/python:3.6
+    steps:
+      - checkout # checkout source code to working directory
+      - run:
+          name: Validate Tag Version # Check if the tag name matches the package version
+          command: |
+            PKG_VERSION=$(sed -n 's/^version = //p' pyproject.toml | sed -e 's/^"//' -e 's/"$//')
+            if [[ "$CIRCLE_TAG" != "v${PKG_VERSION}" ]]; then
+                echo "ERROR: Tag name ($CIRCLE_TAG) must match package version (v${PKG_VERSION})."
+                exit 1;
+            fi
+      - run:
+          name: Validate SDK Version Increment # Check if the version is already on PyPI
+          command: |
+            PKG_VERSION=$(sed -n 's/^version = //p' pyproject.toml | sed -e 's/^"//' -e 's/"$//')
+            if pip install "scale-nucleus>=${PKG_VERSION}" > /dev/null 2>&1;
+            then
+                echo "ERROR: You need to increment to a new version before publishing!"
+                echo "Version (${PKG_VERSION}) already exists on PyPI."
+                exit 1;
+            fi
+      - run:
+          name: Build
+          command: | # install env dependencies
+            poetry build
+      - run:
+          name: Publish to PyPI
+          command: |
+            if test -z "${PYPI_USERNAME}" || test -z "${PYPI_PASSWORD}" ; then
+                echo "ERROR: Please assign PYPI_USERNAME and PYPI_PASSWORD as environment variables"
+                exit 1
+            fi
+            poetry publish --username=$PYPI_USERNAME --password=$PYPI_PASSWORD
+workflows:
+  build_test_publish:
+    jobs:
+      - build_test:
+          filters:
+            tags:
+              only: /^v\d+\.\d+\.\d+$/ # Runs only for tags with the format [v1.2.3]
+      - pypi_publish:
+          requires:
+            - build_test
+          filters:
+            branches:
+              ignore: /.*/ # Runs for none of the branches
+            tags:
+              only: /^v\d+\.\d+\.\d+$/ # Runs only for tags with the format [v1.2.3]