Switch to GitHub Actions CI pipeline

This removes the no longer freely available Travis CI pipeline.

It also switches from coveralls to codecov.

.coveragerc

@@ -1,5 +1,5 @@
 [report]
 omit =
-    */python?.?/site-packages/*
+    goppy/test/*
 exclude_lines =
     raise NotImplementedError()

.github/actions/setup-project/action.yml

@@ -0,0 +1,14 @@
+name: Setup project
+description: Setup project with poetry
+runs:
+  using: composite
+  steps:
+    - name: Install poetry
+      run: pip install poetry
+      shell: bash
+
+    - name: Install dependencies
+      run: poetry install
+      shell: bash
+      env:
+        POETRY_VIRTUALENVS_IN_PROJECT: true

.github/workflows/ci.yml

@@ -0,0 +1,122 @@
+name: CI and release pipeline
+
+on:
+  pull_request:
+  push:
+    branches: ["main", "develop"]
+    tags: ["*"]
+
+jobs:
+  static-analysis:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        check:
+          - name: Check code-formatting
+            run: poetry run black --check .
+          - name: Check import sorting
+            run: poetry run isort --check-only .
+          #- name: pylint
+          #  run: poetry run pylint goppy
+    steps:
+      - uses: actions/checkout@v3
+      - run: git fetch --no-tags --prune --depth=1 origin +refs/heads/main:refs/remotes/origin/main
+
+      - name: Set up Python
+        uses: actions/[email protected]
+        with:
+          python-version: '3.11'
+
+      - uses: actions/[email protected]
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip
+      - uses: actions/[email protected]
+        with:
+          path: .venv
+          key: ${{ runner.os }}-py3.11-venv-${{ hashFiles('pyproject.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-py3.11-venv-
+      - uses: ./.github/actions/setup-project
+
+      - name: ${{ matrix.check.name }}
+        run: ${{ matrix.check.run }}
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.9', '3.10', '3.11']
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/[email protected]
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - uses: actions/[email protected]
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip
+      - uses: actions/[email protected]
+        with:
+          path: .venv
+          key: ${{ runner.os }}-py${{ matrix.python-version }}-venv-${{ hashFiles('pyproject.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-py${{ matrix.python-version }}-venv-
+      - uses: ./.github/actions/setup-project
+
+      - name: Test and measure coverage with pytest
+        run: poetry run pytest --verbose --cov=goppy --cov-report=xml
+      - uses: codecov/codecov-action@v3
+
+  release:
+    runs-on: ubuntu-latest
+    needs: [static-analysis, test]
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/[email protected]
+        with:
+          python-version: '3.11'
+
+      - uses: actions/[email protected]
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip
+      - uses: actions/[email protected]
+        with:
+          path: .venv
+          key: ${{ runner.os }}-py3.11-venv-${{ hashFiles('pyproject.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-py3.11-venv-
+      - uses: ./.github/actions/setup-project
+
+      - name: Publish to PyPI
+        run: poetry publish --build
+        env:
+          POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_TOKEN }}
+
+      - name: Set version
+        id: version
+        run: echo "version=${GITHUB_REF#refs/*/v}" >> $GITHUB_OUTPUT
+
+      - name: Extract changelog
+        id: changelog
+        run: sed -E -n '/^\[${{ steps.version.outputs.version }}\]/,/^\[[0-9\.]+\]/{/^\[[0-9\.]+\]|^-+$/!p;}' CHANGELOG.rst > release-body.rst
+
+      - uses: docker://pandoc/core:2.10
+        with:
+          args: --standalone --wrap none -f rst -t gfm --output=release-body.md release-body.rst
+
+      - name: Create GitHub release
+        uses: softprops/action-gh-release@v1
+        with:
+          body_path: release-body.md
+          tag_name: v${{ steps.version.outputs.version }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.rst

@@ -1,7 +1,8 @@
-.. image:: https://travis-ci.org/jgosmann/goppy.svg?branch=master
-  :target: https://travis-ci.org/jgosmann/goppy
-.. image:: https://coveralls.io/repos/jgosmann/goppy/badge.png?branch=master
-  :target: https://coveralls.io/r/jgosmann/goppy?branch=master
+.. image:: https://github.com/jgosmann/goppy/actions/workflows/ci.yml/badge.svg
+  :target: https://github.com/jgosmann/goppy/actions/workflows/ci.yml
+  :alt: CI and release pipeline
+.. image:: https://codecov.io/gh/jgosmann/goppy/branch/main/graph/badge.svg?token=mkgZs4nds5 
+  :target: https://codecov.io/gh/jgosmann/goppy
 
 Overview
 --------
@@ -18,7 +19,7 @@ The feature list:
 * Prediction of first order derivatives.
 * Estimation of the log likelihood and its derivative.
 * Well documented.
-* `Good test coverage. <https://coveralls.io/r/jgosmann/goppy>`_
+* `Good test coverage. <https://app.codecov.io/gh/jgosmann/goppy>`_
 * Supports Python 2.6, 2.7, 3.3, 3.4, and 3.5. Later versions are likely to work as
   well.
 * MIT license.

pyproject.toml

@@ -36,6 +36,7 @@ black = "^23.7.0"
 isort = "^5.12.0"
 numpydoc = "^1.5.0"
 pytest = "^7.4.0"
+pytest-cov = "^4.1.0"
 sphinx = "^7.1.2"
 
 [build-system]