Add python3.10 build

.dockerignore

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+build/

Dockerfile

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+ARG DEBIAN_RELEASE
+
+FROM debian:${DEBIAN_RELEASE} as build
+
+ARG DEBIAN_RELEASE
+ARG UBUNTU_RELEASE
+ARG PYTHON_VERSION
+ARG REPO_TAG
+ARG DEBIAN_FRONTEND=noninteractive
+ARG DEBCONF_NOWARNINGS=yes
+
+WORKDIR /root
+RUN apt-get update -qq \
+	&& apt-get install -qq -y --no-install-recommends > /dev/null \
+	libmpdec-dev \
+	libncursesw5-dev \
+        blt-dev \
+        build-essential \
+        debhelper \
+        libbluetooth-dev \
+        libbz2-dev \
+        libdb-dev \
+        libexpat1-dev \
+        libffi-dev \
+        libgdbm-dev \
+        libgpm2 \
+        liblzma-dev \
+        libncurses-dev \
+        libreadline-dev \
+        libsqlite3-dev \
+        libssl-dev \
+        locales \
+        lsb-release \
+        mime-support \
+        net-tools \
+        netbase \
+        python3-sphinx \
+        quilt \
+        sharutils \
+        texinfo \
+        time \
+        tk-dev \
+        unzip \
+        xauth \
+        xvfb \
+        zlib1g-dev \
+    && apt-get -qq clean \
+    && rm -rf "/var/lib/apt/lists"/*
+
+ADD https://github.com/deadsnakes/python${PYTHON_VERSION}/archive/refs/tags/${REPO_TAG}.zip python.zip
+RUN unzip -q python.zip \
+	&& cd python*-debian* \
+	&& sed -ie "s/${UBUNTU_RELEASE}/${DEBIAN_RELEASE}/g" debian/changelog \
+	&& sed -ie 's/^Maintainer:/Uploaders: Pavel Sapezhka <[email protected]>\nMaintainer:/' debian/control \
+	&& dpkg-buildpackage -uc -us -b
+
+FROM debian:${DEBIAN_RELEASE} AS test
+ARG PYTHON_VERSION
+ARG DEBIAN_FRONTEND=noninteractive
+ARG DEBCONF_NOWARNINGS=yes
+COPY --from=build /root/*.deb /root/
+RUN apt-get update -qq \
+	&& apt-get install -qq -y --no-install-recommends ./root/*.deb > /dev/null \
+        && python${PYTHON_VERSION} -c 'print("OK")' \
+	&& touch /root/hack
+
+FROM scratch AS export
+COPY --from=build /root/*.deb /
+# BuildKit ignores stages treated as unneeded for the result
+# So we create an artificial need of the test stage by copying file from.
+COPY --from=test /root/hack /

Makefile

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+.PHONY: all build clean python3.10-bullseye python3.10-buster python3.10-stretch clean-python3.10-bullseye clean-python3.10-buster clean-python3.10-stretch
+
+all: build
+
+build: python3.10-bullseye python3.10-buster python3.10-stretch
+
+python3.10-bullseye: clean-python3.10-bullseye
+	@echo "Build Python 3.10 for Debian 11 (bullseye)"
+	@mkdir -p build/bullseye/python3.10
+	@DOCKER_BUILDKIT=1 docker build \
+		--build-arg DEBIAN_RELEASE=bullseye \
+		--build-arg UBUNTU_RELEASE=focal \
+		--build-arg PYTHON_VERSION=3.10 \
+		--build-arg REPO_TAG=debian/3.10.3-1+focal1 \
+		--output build/bullseye/python3.10 \
+		--force-rm \
+		--no-cache \
+		.
+	@rm build/bullseye/python3.10/hack
+
+python3.10-buster: clean-python3.10-buster
+	@echo "Build Python 3.10 for Debian 10 (buster)"
+	@mkdir -p build/buster/python3.10
+	@DOCKER_BUILDKIT=1 docker build \
+		--build-arg DEBIAN_RELEASE=buster \
+		--build-arg UBUNTU_RELEASE=focal \
+		--build-arg PYTHON_VERSION=3.10 \
+		--build-arg REPO_TAG=debian/3.10.3-1+focal1 \
+		--output build/buster/python3.10 \
+		--force-rm \
+		--no-cache \
+		.
+	@rm build/buster/python3.10/hack
+
+python3.10-stretch: clean-python3.10-stretch
+	@echo "Build Python 3.10 for Debian 9 (stretch)"
+	@mkdir -p build/stretch/python3.10
+	@DOCKER_BUILDKIT=1 docker build \
+		--build-arg DEBIAN_RELEASE=stretch \
+		--build-arg UBUNTU_RELEASE=bionic \
+		--build-arg PYTHON_VERSION=3.10 \
+		--build-arg REPO_TAG=debian/3.10.3-1+bionic1 \
+		--output build/stretch/python3.10 \
+		--force-rm \
+		--no-cache \
+		.
+	@rm build/stretch/python3.10/hack
+
+clean: clean-python3.10-bullseye clean-python3.10-buster clean-python3.10-stretch
+
+clean-python3.10-bullseye:
+	@echo "Clean artifacts of build of Python 3.10 for Debian 11 (bullseye)"
+	@rm -rf build/bullseye/python3.10/*
+
+clean-python3.10-buster:
+	@echo "Clean artifacts of build of Python 3.10 for Debian 10 (buster)"
+	@rm -rf build/buster/python3.10/*
+
+clean-python3.10-stretch:
+	@echo "Clean artifacts of build of Python 3.10 for Debian 9 (stretch)"
+	@rm -rf build/stretch/python3.10/*