echo "This script updates python"

if [ -z "$1" ];

echo "Use $0 download-url | downloaded_file"

echo "\te.g. $0 https://www.python.org/ftp/python/3.11.1/Python-3.11.1.tgz"

echo "\te.g. $0 3.11.1"

exit 1

if [[ "$1" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]];

url="https://www.python.org/ftp/python/$1/Python-$1.tar.xz"

elif [ -f "$1" ];

zipped="$1"

url="$1"

if [ -z "$zipped" ];

cd ${TMPDIR:-/tmp}

if ! wget -c "$url";

then

echo "Error downloading $url"

exit 1

fi

zipped=$(basename "$url")

if [ ! -f $zipped ];

then

echo "Error: downloaded file not found $zipped"

exit 1

fi

echo "zipped $zipped"

if [[ "$zipped" == *.tar.gz ]];

foldername=$(basename "$zipped" .tar.gz)

taroption=xzvf

elif [[ "$zipped" == *.tgz ]];

foldername=$(basename "$zipped" .tgz)

taroption=xzvf

elif [[ "$zipped" == *.tar.xz ]];

foldername=$(basename "$zipped" .tar.xz)

taroption=xJvf

echo "Not prepared for this kind of file: $zipped"

exit 1

echo "foldername $foldername"

if [ ! -d $foldername ];

then

tar $taroption "$zipped"

if [ ! -d $foldername ];

echo "Error: expected folder name $foldername"

exit 1

cd $foldername

if [ ! -f configure ];

echo "Error: expected file $foldername/configure"

exit 1

sudo apt install -y \

build-essential \

pkg-config \

libffi-dev \

libssl-dev \

zlib1g-dev \

libbz2-dev \

libreadline-dev \

libsqlite3-dev \

libncursesw5-dev \

xz-utils \

tk-dev \

libxml2-dev \

libxmlsec1-dev \

liblzma-dev \

libgdbm-dev \

libgdbm-compat-dev \

libnss3-dev \

libedit-dev \

uuid-dev \

libyaml-dev

./configure --enable-optimizations --with-lto=full \

--enable-shared --with-system-libffi \

--with-ensurepip=upgrade && \

make -j $(nproc) && \

sudo make altinstall