diskimage-builder/diskimage_builder/elements/python-stow-versions/install.d/70-python-build

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#!/bin/bash
if [ ${DIB_DEBUG_TRACE:-0} -gt 1 ]; then
set -x
fi
set -eu
set -o pipefail
#Install python-build
/pyenv/plugins/python-build/install.sh
DIB_PYTHON_VERSIONS=${DIB_PYTHON_VERSIONS:-"2.7,3.5,3.6,3.7,3.8,3.9"}
DIB_VERSIONS_TO_INSTALL=${1:-$DIB_PYTHON_VERSIONS}
# Get pyenv versions
DIB_PYENV_VERSIONS=$(python-build --definitions \
| egrep "^\s*[2,3]\.[0-9]{1,2}\.[0-9]{1,2}$")
declare -A DIB_PYTHON_VERSIONS_ARRAY
for version in ${DIB_PYENV_VERSIONS}; do
DIB_PYTHON_VERSIONS_ARRAY[${version%.*}]+="${version##*.} "
done
if [ -n $DIB_VERSIONS_TO_INSTALL ]; then
readarray -t DIB_VERSIONS_ARRAY <<<\
"$(echo "$DIB_VERSIONS_TO_INSTALL" | tr ',' '\n')"
fi
for key in ${!DIB_PYTHON_VERSIONS_ARRAY[@]}; do
if ([ -n $DIB_VERSIONS_ARRAY ] && \
[[ " ${DIB_VERSIONS_ARRAY[@]} " =~ " ${key} " ]]) || \
[ -z ${DIB_VERSIONS_ARRAY} ]; then
DIB_LAST_VERSION=${key}.$(echo "${DIB_PYTHON_VERSIONS_ARRAY[${key}]}" \
| sed "s/ /\n/g" | sort -nr | head -n1)
python-build ${DIB_LAST_VERSION} /usr/local/stow/python-${DIB_LAST_VERSION}
fi
done