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Add 3.7/alpine3.8
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‎.travis.yml‎

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env:
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- VERSION=3.7 VARIANT=stretch
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- VERSION=3.7 VARIANT=stretch/slim
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- VERSION=3.7 VARIANT=alpine3.8
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- VERSION=3.7 VARIANT=alpine3.7
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- VERSION=3.6 VARIANT=stretch
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- VERSION=3.6 VARIANT=stretch/slim

‎3.7/alpine3.8/Dockerfile‎

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#
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# NOTE: THIS DOCKERFILE IS GENERATED VIA "update.sh"
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#
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# PLEASE DO NOT EDIT IT DIRECTLY.
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#
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FROM alpine:3.8
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# ensure local python is preferred over distribution python
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ENV PATH /usr/local/bin:$PATH
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# http://bugs.python.org/issue19846
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# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
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ENV LANG C.UTF-8
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# install ca-certificates so that HTTPS works consistently
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# the other runtime dependencies for Python are installed later
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RUN apk add --no-cache ca-certificates
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ENV GPG_KEY 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D
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ENV PYTHON_VERSION 3.7.0
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RUN set -ex \
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&& apk add --no-cache --virtual .fetch-deps \
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gnupg \
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libressl \
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tar \
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xz \
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\
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&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
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&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
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&& export GNUPGHOME="$(mktemp -d)" \
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&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
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&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
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&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
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&& mkdir -p /usr/src/python \
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&& tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
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&& rm python.tar.xz \
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\
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&& apk add --no-cache --virtual .build-deps \
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bzip2-dev \
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coreutils \
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dpkg-dev dpkg \
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expat-dev \
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gcc \
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gdbm-dev \
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libc-dev \
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libffi-dev \
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libnsl-dev \
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libressl \
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libressl-dev \
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libtirpc-dev \
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linux-headers \
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make \
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ncurses-dev \
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pax-utils \
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readline-dev \
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sqlite-dev \
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tcl-dev \
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tk \
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tk-dev \
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xz-dev \
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zlib-dev \
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# add build deps before removing fetch deps in case there's overlap
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&& apk del .fetch-deps \
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\
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&& cd /usr/src/python \
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&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
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&& ./configure \
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--build="$gnuArch" \
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--enable-loadable-sqlite-extensions \
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--enable-shared \
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--with-system-expat \
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--with-system-ffi \
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--without-ensurepip \
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&& make -j "$(nproc)" \
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# set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
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# https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
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EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
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&& make install \
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\
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&& runDeps="$( \
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scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
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| tr ',' '\n' \
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| sort -u \
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| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
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)" \
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&& apk add --virtual .python-rundeps $runDeps \
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&& apk del .build-deps \
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\
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&& find /usr/local -depth \
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\( \
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\( -type d -a \( -name test -o -name tests \) \) \
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-o \
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\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
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\) -exec rm -rf '{}' + \
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&& rm -rf /usr/src/python
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# make some useful symlinks that are expected to exist
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RUN cd /usr/local/bin \
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&& ln -s idle3 idle \
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&& ln -s pydoc3 pydoc \
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&& ln -s python3 python \
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&& ln -s python3-config python-config
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# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
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ENV PYTHON_PIP_VERSION 10.0.1
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RUN set -ex; \
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\
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apk add --no-cache --virtual .fetch-deps libressl; \
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\
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wget -O get-pip.py 'https://bootstrap.pypa.io/get-pip.py'; \
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\
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apk del .fetch-deps; \
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\
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python get-pip.py \
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--disable-pip-version-check \
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--no-cache-dir \
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"pip==$PYTHON_PIP_VERSION" \
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; \
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pip --version; \
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\
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find /usr/local -depth \
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\( \
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\( -type d -a \( -name test -o -name tests \) \) \
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-o \
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\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
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\) -exec rm -rf '{}' +; \
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rm -f get-pip.py
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CMD ["python3"]

‎update.sh‎

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echo "$version: $fullVersion"
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for v in \
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alpine{3.6,3.7} \
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alpine{3.6,3.7,3.8} \
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{wheezy,jessie,stretch}{/slim,/onbuild,} \
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windows/nanoserver-{1709,sac2016} \
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windows/windowsservercore-{1709,ltsc2016} \
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esac
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# https://bugs.python.org/issue32598 (Python 3.7.0b1+)
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# TL;DR: Python 3.7+ uses OpenSSL functionality which LibreSSL doesn't implement (yet?)
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if [[ "$version" == 3.7* ]] && [[ "$variant" == alpine* ]]; then
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# TL;DR: Python 3.7+ uses OpenSSL functionality which LibreSSL 2.6.x in Alpine 3.7 doesn't implement
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if [[ "$version" == 3.7* ]] && [[ "$variant" == alpine3.7 ]]; then
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sed -ri -e 's/libressl/openssl/g' "$dir/Dockerfile"
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fi
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