run tests in CentOS container on Github Actions

.dockerignore

+pythons
+python_builds
+download_cache
+parts
+eggs
+venvs
+.cache
+lib
+**/__pycache__
+**/*.pyc
+.git

.github/workflows/Dockerfile

+FROM centos as centos-python
+RUN yum install -y make gcc openssl-devel libffi-devel
+ARG PYTHON_VER
+ENV LC_CTYPE="en_US.UTF-8"
+RUN mkdir buildout
+WORKDIR /buildout
+COPY Makefile Makefile.configure /buildout/
+RUN make PYTHON_VER=${PYTHON_VER} download_python
+RUN make PYTHON_VER=${PYTHON_VER} python
+FROM centos-python
+ARG PYTHON_VER
+COPY doc /buildout/doc
+COPY src /buildout/src
+COPY zc.recipe.egg_ /buildout/zc.recipe.egg_
+COPY setup.* dev.py *.rst *.txt buildout.cfg /buildout/
+RUN make PYTHON_VER=${PYTHON_VER} build

.github/workflows/centos.yml

+name: Buildout on Centos
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.5, 3.6, 3.7, 3.8]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build container with Python ${{ matrix.python-version }}
+      env:
+        PYTHON_VER: ${{matrix.python-version}}
+      run: |
+        docker build -f .github/workflows/Dockerfile --tag centos_buildout:python${PYTHON_VER} --build-arg PYTHON_VER=${PYTHON_VER} .
+    - name: Test
+      env:
+        PYTHON_VER: ${{matrix.python-version}}
+      run: |
+        docker run centos_buildout:python${PYTHON_VER} /buildout/bin/test -c -vvv

Makefile

 HERE = $(shell pwd)
-PYTHON_VER ?= 2.7
+PYTHON_VER ?= 3.7
 PYTHON_PATH = $(HERE)/pythons/$(PYTHON_VER)
 PYTHON_BUILD_DIR = $(HERE)/python_builds
+PLATFORM = $(shell uname)
+VENV = $(HERE)/venvs/$(PYTHON_VER)
+BUILD_VARIABLES =
 
 ifeq ($(PYTHON_VER),2.7)
-	PYTHON_MINOR ?= 2.7.13
-endif
-ifeq ($(PYTHON_VER),3.4)
-	PYTHON_MINOR ?= 3.4.6
-	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip
+	PYTHON_MINOR ?= 2.7.17
 endif
 ifeq ($(PYTHON_VER),3.5)
-	PYTHON_MINOR ?= 3.5.3
-	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip
+	PYTHON_MINOR ?= 3.5.9
 endif
 ifeq ($(PYTHON_VER),3.6)
-	PYTHON_MINOR ?= 3.6.0
-	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip
+	PYTHON_MINOR ?= 3.6.10
+endif
+ifeq ($(PYTHON_VER),3.7)
+	PYTHON_MINOR ?= 3.7.7
+endif
+ifeq ($(PYTHON_VER),3.8)
+	PYTHON_MINOR ?= 3.8.2
+endif
+ifeq ($(PYTHON_VER),3.9)
+	PYTHON_MINOR ?= 3.9.0
+	PYTHON_ARCHIVE ?= Python-3.9.0a6
 endif
 
 ifndef PYTHON_MINOR
     $(error Please specify desired PYTHON_MINOR for Python $(PYTHON_VER))
 endif
 
+ifeq ($(PLATFORM),Darwin)
+	include Makefile.configure.Darwin
+else
+	include Makefile.configure
+endif
+
+
 PYTHON_ARCHIVE ?= Python-$(PYTHON_MINOR)
-PYTHON_DOWNLOAD = https://www.python.org/ftp/python/$(PYTHON_MINOR)/$(PYTHON_ARCHIVE).tgz
+PYTHON_URL = https://www.python.org/ftp/python/$(PYTHON_MINOR)/$(PYTHON_ARCHIVE).tgz
 PYTHON_EXE = python$(PYTHON_VER)
+PYTHON_DOWNLOAD = $(PYTHON_BUILD_DIR)/$(PYTHON_ARCHIVE).tgz
 
-.PHONY: all build test
 BUILD_DIRS = $(PYTHON_PATH) bin build develop-eggs eggs parts
 
-all: build
+all: test
+.PHONY: all download_python python build test docker clean
 
-$(PYTHON_PATH)/bin/$(PYTHON_EXE):
+# setup python from source
+$(PYTHON_DOWNLOAD):
+	mkdir -p $(PYTHON_BUILD_DIR)
+	curl --progress-bar --location $(PYTHON_URL) -o $(PYTHON_DOWNLOAD)
+
+$(PYTHON_BUILD_DIR)/$(PYTHON_ARCHIVE)/configure: $(PYTHON_DOWNLOAD)
+	cd $(PYTHON_BUILD_DIR) && tar -xzf $(PYTHON_DOWNLOAD)
+	touch $@
+
+$(PYTHON_PATH)/bin/$(PYTHON_EXE): $(PYTHON_BUILD_DIR)/$(PYTHON_ARCHIVE)/configure
 	@echo "Installing Python"
+	rm -rf $(PYTHON_PATH)
 	mkdir -p $(PYTHON_PATH)
-	mkdir -p $(PYTHON_BUILD_DIR)
-	cd $(PYTHON_BUILD_DIR) && \
-	curl --progress-bar --location $(PYTHON_DOWNLOAD) | tar -zx
 	cd $(PYTHON_BUILD_DIR)/$(PYTHON_ARCHIVE) && \
-	./configure --prefix $(PYTHON_PATH) $(PYTHON_CONFIGURE_ARGS) >/dev/null 2>&1 && \
+	$(BUILD_VARIABLES) ./configure --prefix $(PYTHON_PATH) $(PYTHON_CONFIGURE_ARGS) >/dev/null 2>&1 && \
 	make >/dev/null 2>&1 && \
 	make install >/dev/null 2>&1
 	@echo "Finished installing Python"
 
-build: $(PYTHON_PATH)/bin/$(PYTHON_EXE)
+download_python: $(PYTHON_BUILD_DIR)/$(PYTHON_ARCHIVE)/configure
+
+python: $(PYTHON_PATH)/bin/$(PYTHON_EXE)
+
+# used by Dockerfile
+build: python
 	$(PYTHON_PATH)/bin/$(PYTHON_EXE) dev.py
 
+docker:
+	docker build -f .github/workflows/Dockerfile --tag centos_buildout:python${PYTHON_VER} --build-arg PYTHON_VER=${PYTHON_VER} .
+	docker run centos_buildout:python${PYTHON_VER} /buildout/bin/test -c -vvv -t abi
+
 clean:
 	rm -rf $(BUILD_DIRS) $(PYTHON_BUILD_DIR)
 

Makefile.configure

+ifeq ($(PYTHON_VER),2.7)
+	PYTHON_CONFIGURE_ARGS ?=
+endif
+ifeq ($(PYTHON_VER),3.5)
+	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip
+endif
+ifeq ($(PYTHON_VER),3.6)
+	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip
+endif
+ifeq ($(PYTHON_VER),3.7)
+	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip
+endif
+ifeq ($(PYTHON_VER),3.8)
+	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip
+endif
+

Makefile.configure.Darwin

+OPENSSL = $(shell brew --prefix openssl)
+
+ifeq ($(PYTHON_VER),2.7)
+        BUILD_VARIABLES = LDFLAGS="-L$(OPENSSL)/lib" CPPFLAGS="-I$(OPENSSL)/include"
+	PYTHON_CONFIGURE_ARGS ?=
+endif
+ifeq ($(PYTHON_VER),3.5)
+        BUILD_VARIABLES = LDFLAGS="-L$(OPENSSL)/lib" CPPFLAGS="-I$(OPENSSL)/include"
+	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip
+endif
+ifeq ($(PYTHON_VER),3.6)
+        BUILD_VARIABLES = LDFLAGS="-L$(OPENSSL)/lib" CPPFLAGS="-I$(OPENSSL)/include"
+	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip
+endif
+ifeq ($(PYTHON_VER),3.7)
+	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip --with-openssl=$(OPENSSL)
+endif
+ifeq ($(PYTHON_VER),3.8)
+	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip --with-openssl=$(OPENSSL)
+endif
+ifeq ($(PYTHON_VER),3.9)
+	PYTHON_CONFIGURE_ARGS ?= --without-ensurepip --with-openssl=$(OPENSSL)
+endif
+