Building kits with GitHub Actions

Author: nedbat

.github/workflows/kit.yml

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+# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
+# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
+
+# Based on:
+# https://github.com/joerick/cibuildwheel/blob/master/examples/github-deploy.yml
+
+name: Build kits
+
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+  workflow_dispatch:
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-python@v2
+        name: Install Python
+        with:
+          python-version: "3.7"
+
+      - name: Install cibuildwheel
+        run: |
+          python -m pip install cibuildwheel==1.7.0
+
+      - name: Install Visual C++ for Python 2.7
+        if: runner.os == 'Windows'
+        run: |
+          choco install vcpython27 -f -y
+
+      - name: Build wheels
+        env:
+          # Don't build wheels for PyPy.
+          CIBW_SKIP: pp*
+        run: |
+          python -m cibuildwheel --output-dir wheelhouse
+
+      - uses: actions/upload-artifact@v2
+        with:
+          path: ./wheelhouse/*.whl
+
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-python@v2
+        name: Install Python
+        with:
+          python-version: "3.7"
+
+      - name: Build sdist
+        run: python setup.py sdist
+
+      - uses: actions/upload-artifact@v2
+        with:
+          path: dist/*.tar.gz

ci/download_gha_artifacts.py

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+# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
+# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
+
+"""Use the GitHub API to download built artifacts."""
+
+import os
+import os.path
+import zipfile
+
+import requests
+
+def download_url(url, filename):
+    """Download a file from `url` to `filename`."""
+    response = requests.get(url, stream=True)
+    if response.status_code == 200:
+        with open(filename, "wb") as f:
+            for chunk in response.iter_content(16*1024):
+                f.write(chunk)
+
+def unpack_zipfile(filename):
+    """Unpack a zipfile, using the names in the zip."""
+    with open(filename, "rb") as fzip:
+        z = zipfile.ZipFile(fzip)
+        for name in z.namelist():
+            print(f"  extracting {name}")
+            z.extract(name)
+
+dest = "dist"
+repo_owner = "nedbat/coveragepy"
+temp_zip = "artifacts.zip"
+
+if not os.path.exists(dest):
+    os.makedirs(dest)
+os.chdir(dest)
+
+r = requests.get(f"https://api.github.com/repos/{repo_owner}/actions/artifacts")
+latest = max(r.json()["artifacts"], key=lambda a: a["created_at"])
+download_url(latest["archive_download_url"], temp_zip)
+unpack_zipfile(temp_zip)
+os.remove(temp_zip)