Build MacOS packages on GitHub Actions

.github/workflows/packages.yml

@@ -106,3 +106,34 @@ jobs:
           --health-interval 10s
           --health-timeout 5s
           --health-retries 5
+
+
+  build-macos:
+    runs-on: macos-10.15
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ['3.6', '3.7', '3.8', '3.9']
+
+    steps:
+      - name: Checkout repos
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Build packages
+        run: ./scripts/build/build_macos.sh
+        env:
+          PACKAGE_NAME: psycopg2-binary
+          PSYCOPG2_TESTDB: postgres
+          PSYCOPG2_TEST_FAST: 1
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: packages_macos
+          path: |
+            dist/*/*${{ matrix.platform }}.whl

scripts/build/build_macos.sh

@@ -0,0 +1,81 @@
+#!/bin/bash
+
+# Create macOS wheels for psycopg2
+#
+# Following instructions from https://github.com/MacPython/wiki/wiki/Spinning-wheels
+# Cargoculting pieces of implementation from https://github.com/matthew-brett/multibuild
+
+set -euo pipefail
+set -x
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+PRJDIR="$( cd "${DIR}/../.." && pwd )"
+
+brew install gnu-sed postgresql@13
+
+# Start the database for testing
+brew services start postgresql
+
+for i in $(seq 10 -1 0); do
+  eval pg_isready && break
+  if [ $i == 0 ]; then
+      echo "PostgreSQL service not ready, giving up"
+      exit 1
+  fi
+  echo "PostgreSQL service not ready, waiting a bit, attempts left: $i"
+  sleep 5
+done
+
+# Find psycopg version
+VERSION=$(grep -e ^PSYCOPG_VERSION "${PRJDIR}/setup.py" | gsed "s/.*'\(.*\)'/\1/")
+# A gratuitous comment to fix broken vim syntax file: '")
+DISTDIR="${PRJDIR}/dist/psycopg2-$VERSION"
+mkdir -p "$DISTDIR"
+
+# Install required python packages
+pip install -U pip wheel delocate
+
+# Allow to find the libraries needed.
+export LDFLAGS="-L/usr/local/opt/openssl@1.1/lib"
+export CPPFLAGS="-I/usr/local/opt/openssl@1.1/include"
+
+# Replace the package name
+gsed -i "s/^setup(name=\"psycopg2\"/setup(name=\"${PACKAGE_NAME}\"/" \
+    "${PRJDIR}/setup.py"
+
+# Build the wheels
+WHEELDIR="${PRJDIR}/wheels"
+pip wheel -w ${WHEELDIR} .
+delocate-listdeps ${WHEELDIR}/*.whl
+
+# Check where is the libpq. I'm gonna kill it for testing
+if [[ -z "${LIBPQ:-}" ]]; then
+    export LIBPQ=$(delocate-listdeps ${WHEELDIR}/*.whl | grep libpq)
+fi
+
+delocate-wheel ${WHEELDIR}/*.whl
+# https://github.com/MacPython/wiki/wiki/Spinning-wheels#question-will-pip-give-me-a-broken-wheel
+delocate-addplat --rm-orig -x 10_9 -x 10_10 ${WHEELDIR}/*.whl
+cp ${WHEELDIR}/*.whl ${DISTDIR}
+
+# kill the libpq to make sure tests don't depend on it
+mv "$LIBPQ" "${LIBPQ}-bye"
+
+# Install and test the built wheel
+pip install ${PACKAGE_NAME} --no-index -f "$DISTDIR"
+
+# Print psycopg and libpq versions
+python -c "import psycopg2; print(psycopg2.__version__)"
+python -c "import psycopg2; print(psycopg2.__libpq_version__)"
+python -c "import psycopg2; print(psycopg2.extensions.libpq_version())"
+
+# fail if we are not using the expected libpq library
+# Disabled as we just use what's available on the system on macOS
+# if [[ "${WANT_LIBPQ:-}" ]]; then
+#     python -c "import psycopg2, sys; sys.exit(${WANT_LIBPQ} != psycopg2.extensions.libpq_version())"
+# fi
+
+python -c "import tests; tests.unittest.main(defaultTest='tests.test_suite')"
+
+# just because I'm a boy scout
+mv "${LIBPQ}-bye" "$LIBPQ"