Setup GH Actions

.flake8

@@ -1,6 +1,3 @@
 [flake8]
-ignore = E203, E266, E501, W503
-max-line-length = 80
-max-complexity = 18
-select = B,C,E,F,W,T4,B9
-exclude = docs/conf.py,.tox
+max-line-length = 79
+extend-ignore = E203, E501

.github/workflows/main.yml

@@ -1,40 +1,101 @@
-# 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
+---
+name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: ["master"]
   pull_request:
-    branches: [ master ]
+    branches: ["master"]
+  workflow_dispatch:
 
 jobs:
-  build:
+  tests:
+    name: "Python ${{ matrix.python-version }} on ${{ matrix.platform }}"
+    runs-on: "${{ matrix.platform }}"
+    env:
+      USING_COVERAGE: '3.7,3.8'
 
-    runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
+        platform: ["ubuntu-latest", "windows-latest"]
+        python-version: ["3.6", "3.7", "3.8"]
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install -r requirements.txt
-    - name: Lint with flake8
-      run: |
-        pip install flake8
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Test with pytest
-      run: |
-        pip install pytest
-        pytest
+      - uses: "actions/checkout@v2"
+      - uses: "actions/setup-python@v2"
+        with:
+          python-version: "${{ matrix.python-version }}"
+
+      - name: "Install dependencies"
+        run: |
+          python -VV
+          python -m site
+          python -m pip install --upgrade pip setuptools wheel
+          python -m pip install --upgrade coverage[toml] virtualenv tox tox-gh-actions
+
+      - name: "Run tox targets for ${{ matrix.python-version }}"
+        run: "python -m tox"
+        env:
+          PLATFORM: ${{ matrix.platform }}
+
+      # We always use a modern Python version for combining coverage to prevent
+      # parsing errors in older versions for modern code.
+      - uses: "actions/setup-python@v2"
+        with:
+          python-version: "3.8"
+
+      - name: "Combine coverage"
+        run: |
+          set -xe
+          python -m pip install coverage[toml]
+          python -m coverage combine
+          python -m coverage xml
+        if: "contains(env.USING_COVERAGE, matrix.python-version) && matrix.platform == 'ubuntu-latest'"
+
+      - name: "Upload coverage to Codecov"
+        if: "contains(env.USING_COVERAGE, matrix.python-version) && matrix.platform == 'ubuntu-latest'"
+        uses: "codecov/codecov-action@v1"
+        with:
+          fail_ci_if_error: true
+
+  package:
+    name: "Build & verify package"
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - uses: "actions/checkout@v2"
+      - uses: "actions/setup-python@v2"
+        with:
+          python-version: "3.8"
+
+      - name: "Install pep517 and twine"
+        run: "python -m pip install pep517 twine"
+
+      - name: "Build package"
+        run: "python -m pep517.build --source --binary ."
+
+      - name: "List result"
+        run: "ls -l dist"
+
+      - name: "Check long_description"
+        run: "python -m twine check dist/*"
+
+  install-dev:
+    strategy:
+      matrix:
+        os: ["ubuntu-latest", "windows-latest", "macos-latest"]
+
+    name: "Verify dev env"
+    runs-on: "${{ matrix.os }}"
+
+    steps:
+      - uses: "actions/checkout@v2"
+      - uses: "actions/setup-python@v2"
+        with:
+          python-version: "3.8"
+
+      - name: "Install in dev mode"
+        run: "python -m pip install -e .[dev]"
+
+      - name: "Import package"
+        run: "python -c 'import jwt; print(jwt.__version__)'"

.pre-commit-config.yaml

@@ -1,18 +1,18 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 19.3b0
+    rev: 19.10b0
     hooks:
       - id: black
-        language_version: python3.7
+        language_version: python3.8
 
   - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.7.8
+    rev: 3.7.9
     hooks:
       - id: flake8
-        language_version: python3.7
+        language_version: python3.8
 
   - repo: https://github.com/asottile/seed-isort-config
-    rev: v1.9.3
+    rev: v1.9.4
     hooks:
       - id: seed-isort-config
 
@@ -21,10 +21,10 @@ repos:
     hooks:
       - id: isort
         additional_dependencies: [toml]
-        language_version: python3.7
+        language_version: python3.8
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v2.3.0
+    rev: v2.4.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer

codecov.yml

@@ -0,0 +1,10 @@
+---
+comment: false
+coverage:
+    status:
+        patch:
+            default:
+                target: "100"
+        project:
+            default:
+                target: "100"