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README.md
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18
README.md
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# asdf-python
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Python plugin for [asdf](https://github.com/asdf-vm/asdf) version manager
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## Install
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```
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asdf plugin-add python https://github.com/tuvistavie/asdf-python.git
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```
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## Use
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Check [asdf](https://github.com/asdf-vm/asdf) readme for instructions on how to install & manage versions of Python.
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When installing Python using `asdf install`, you can pass custom configure options with the following env vars:
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* `PYTHON_CONFIGURE_OPTIONS` - use only your configure options
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* `PYTHON_EXTRA_CONFIGURE_OPTIONS` - append these configure options along with ones that this plugin already uses
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13
bin/get-version-from-legacy-file
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bin/get-version-from-legacy-file
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#!/usr/bin/env bash
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get_legacy_version() {
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current_directory=$1
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python_version_file="$current_directory/.python-version"
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# Get version from .python-version file. .python-version is used by pyenv
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if [ -f $python_version_file ]; then
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cat $python_version_file
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fi
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}
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get_legacy_version $1
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123
bin/install
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bin/install
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#!/usr/bin/env bash
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install_python() {
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local version=$1
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local install_path=$2
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if [ "$TMPDIR" = "" ]; then
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local tmp_download_dir=$(mktemp -d)
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else
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local tmp_download_dir=$TMPDIR
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fi
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# path to the tar file
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local source_path="${tmp_download_dir}/Python-${version}.tgz"
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download_source $version $source_path
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# running this in a subshell
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# because we don't want to disturb current working dir
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(
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cd $(dirname $source_path)
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tar zxf $source_path || exit 1
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cd "Python-${version}"
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local configure_options="$(construct_configure_options $install_path)"
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if [ "$ASDF_PKG_MISSING" != "" ]; then
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echo "WARNING: Might use OS-provided pkgs for the following: $ASDF_PKG_MISSING"
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fi
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# set in os_based_configure_options
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# we unset it here because echo-ing changes the return value of the function
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unset ASDF_PKG_MISSING
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echo "Building with options: $configure_options"
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./configure $configure_options || exit 1
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make || exit 1
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make install || exit 1
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)
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}
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construct_configure_options() {
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local install_path=$1
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if [ "$PYTHON_CONFIGURE_OPTIONS" = "" ]; then
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local configure_options="$(os_based_configure_options) --prefix=$install_path"
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if [ "$PYTHON_EXTRA_CONFIGURE_OPTIONS" != "" ]; then
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configure_options="$configure_options $PYTHON_EXTRA_CONFIGURE_OPTIONS"
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fi
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else
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local configure_options="$PYTHON_CONFIGURE_OPTIONS --prefix=$install_path"
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fi
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echo "$configure_options"
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}
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homebrew_package_path() {
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local package_name=$1
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if [ "$(brew ls --versions $package_name)" = "" ]; then
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echo ""
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else
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echo "$(brew --prefix $package_name)"
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fi
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}
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exit_if_homebrew_not_installed() {
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if [ "$(brew --version 2>/dev/null)" = "" ]; then
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echo "ERROR: Please install homebrew for OSX"
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exit 1
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fi
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}
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os_based_configure_options() {
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local operating_system=$(uname -a)
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local configure_options=""
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if [[ "$operating_system" =~ "Darwin" ]]; then
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exit_if_homebrew_not_installed
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local openssl_path=$(homebrew_package_path openssl)
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local readline_path=$(homebrew_package_path readline)
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else
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local openssl_path=/usr
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fi
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if [ "$openssl_path" = "" ]; then
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export ASDF_PKG_MISSING="openssl"
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else
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configure_options="--with-openssl-dir=$openssl_path"
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fi
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if [ "$readline_path" != "" ]; then
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configure_options="$configure_options --with-readline-dir=$readline_path"
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fi
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configure_options="$configure_options --enable-shared --disable-install-doc"
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echo $configure_options
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}
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download_source() {
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local version=$1
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local download_path=$2
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local download_url="https://www.python.org/ftp/python/$version/Python-$version.tgz"
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if [ -f $download_path ]; then
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rm $download_path
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fi
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echo "Downloading from $download_url"
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curl -#Lo $download_path $download_url
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}
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install_python $ASDF_INSTALL_VERSION $ASDF_INSTALL_PATH
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10
bin/list-all
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10
bin/list-all
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#!/usr/bin/env bash
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list_all() {
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local http_endpoint="https://www.python.org/ftp/python/"
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local extract_regexp='s|.*\?<a .*\?>\([0-9].*\?\)/</a>.*\?|\1|p'
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curl -s $http_endpoint | sed -ne "$extract_regexp" | tr '\n' ' '
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}
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list_all
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