Bring the CI modernization into master

.flake8

@@ -0,0 +1,6 @@
+[flake8]
+exclude = .git,.tox,build,dist,venv,docs,*.egg-info,tests/conftest.py
+max-line-length = 120
+max-complexity = 10
+select = E,W,F,C
+ignore = E121,E123,E126,E226,E24,E704,W503,W504

.github/workflows/python-package.yml

@@ -1,6 +1,3 @@
-# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
-
 name: Python package
 
 on:
@@ -9,38 +6,71 @@ on:
   pull_request:
     branches: [ master ]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
 jobs:
-  build:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - name: Install flake8
+        run: python -m pip install flake8
+      - name: Stop the build on syntax errors and undefined names
+        run: flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+      - name: Report the other findings without failing
+        run: flake8 . --count --exit-zero --statistics
 
+  test:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
-        python-version: [3.7, 3.8]
+        python-version: ["3.10", "3.11", "3.12"]
+    env:
+      MPLBACKEND: Agg
+      TF_CPP_MIN_LOG_LEVEL: "2"
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: pip
+          cache-dependency-path: pyproject.toml
+      - name: Install the package and its test dependencies
+        run: python -m pip install -e ".[test]"
+      - name: Test with coverage and pytest
+        run: |
+          coverage run --source glmdisc/ -m pytest
+          coverage report
+          coverage xml
+      - name: Upload the coverage report
+        if: matrix.python-version == '3.12'
+        uses: codecov/codecov-action@v5
+        with:
+          files: coverage.xml
+          fail_ci_if_error: false
 
+  build:
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install pipenv
-        pipenv install --dev --skip-lock
-    - name: Lint with flake8
-      run: |
-        # stop the build if there are Python syntax errors or undefined names
-        pipenv run flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --exclude=tests/conftest.py
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        pipenv run flake8 . --count --exit-zero --extend-ignore=W503,W50 --max-complexity=10 --max-line-length=120 --statistics --exclude=tests/conftest.py
-    - name: Test with coverage and pytest
-      run: |
-        pipenv run coverage run --source glmdisc/ -m pytest
-        pipenv run coverage report
-    - name: Build and check package
-      run: |
-        pipenv run pipenv-setup sync --dev
-        pipenv run pip install --upgrade keyring keyrings.alt
-        python setup.py build sdist bdist_wheel
-        pipenv run twine check dist/*
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - name: Build and check the distributions
+        run: |
+          python -m pip install build twine
+          python -m build
+          twine check dist/*
+      - uses: actions/upload-artifact@v4
+        with:
+          name: dist
+          path: dist/