simplify building (#26)

test_wheels_in_image.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# a small script for testing our built wheels in a variety of linux distros
+
+IMAGE="${1:?usage: ./test_wheels_in_image.sh <image>}"
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+cd "$ROOT_DIR"
+
+# setup our deps - should only need a python3 build
+docker build -t wheeltest -f - . <<DOCKERFILE
+FROM $IMAGE
+RUN if command -v apk >/dev/null; then \
+      apk add --no-cache python3 py3-pip bash; \
+    elif command -v apt-get >/dev/null; then \
+      apt-get update && apt-get install -y --no-install-recommends python3 python3-pip python3-venv; \
+    elif command -v dnf >/dev/null; then \
+      dnf install -y python3 python3-pip; \
+    elif command -v pacman >/dev/null; then \
+      pacman -Sy --noconfirm python python-pip; \
+    elif command -v zypper >/dev/null; then \
+      zypper install -y python3 python3-pip; \
+    elif command -v xbps-install >/dev/null; then \
+      xbps-install -Sy python3 python3-pip bash; \
+    fi
+DOCKERFILE
+
+# install + smoketest
+docker run --rm -v "$PWD:/work" -w /work wheeltest bash -lc '
+  set -euo pipefail
+  python3 -m venv /tmp/venv
+  source /tmp/venv/bin/activate
+  pip install dist/*.whl
+  for toml in */pyproject.toml; do
+    module="$(basename "$(dirname "$toml")" | tr "-" "_")"
+    python -c "import $module; $module.smoketest()" && echo "$module: OK"
+  done
+'
+
+echo
+echo "All good!"