|
|
#!/bin/bash
|
|
|
|
|
|
set -e
|
|
|
|
|
|
echo "--------------------------------------------------------------------"
|
|
|
echo "IMPORTANT WARNING!"
|
|
|
echo "This script will configure Python 3.12 as the default system version."
|
|
|
echo "This MAY BREAK system tools that depend on the original"
|
|
|
echo "Python 3 version. Use at your own risk!"
|
|
|
echo "The safest alternative is to use virtual environments."
|
|
|
echo "--------------------------------------------------------------------"
|
|
|
read -p "Are you sure you want to continue? (y/N): " confirmation
|
|
|
if [[ ! "$confirmation" =~ ^[Yy]$ ]]; then
|
|
|
echo "Aborting."
|
|
|
exit 1
|
|
|
fi
|
|
|
|
|
|
echo ">>> [1/6] Installing dependencies and deadsnakes repository..."
|
|
|
apt update
|
|
|
apt install -y software-properties-common curl ca-certificates
|
|
|
add-apt-repository -y ppa:deadsnakes/ppa
|
|
|
apt update
|
|
|
|
|
|
echo ">>> [2/6] Installing Python 3.12 and associated packages..."
|
|
|
apt install -y python3.12 python3.12-venv python3.12-dev
|
|
|
|
|
|
echo ">>> [3/6] Installing pip for Python 3.12..."
|
|
|
curl -sS https://bootstrap.pypa.io/get-pip.py -o get-pip.py
|
|
|
/usr/bin/python3.12 get-pip.py
|
|
|
rm get-pip.py
|
|
|
|
|
|
echo ">>> [4/6] Configuring Python 3.12 as default using update-alternatives..."
|
|
|
|
|
|
CURRENT_PYTHON3_CMD=$(command -v python3 || echo "")
|
|
|
CURRENT_PYTHON3_PATH=""
|
|
|
if [[ -n "$CURRENT_PYTHON3_CMD" && -x "$CURRENT_PYTHON3_CMD" ]]; then
|
|
|
CURRENT_PYTHON3_PATH=$(readlink -f $CURRENT_PYTHON3_CMD)
|
|
|
fi
|
|
|
|
|
|
echo "Registering /usr/bin/python3.12 with priority 100..."
|
|
|
update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 100
|
|
|
|
|
|
if [[ -n "$CURRENT_PYTHON3_PATH" && "$CURRENT_PYTHON3_PATH" != "/usr/bin/python3.12" && -x "$CURRENT_PYTHON3_PATH" ]]; then
|
|
|
echo "Registering previous version found ($CURRENT_PYTHON3_PATH) with priority 50..."
|
|
|
update-alternatives --install /usr/bin/python3 python3 "$CURRENT_PYTHON3_PATH" 50
|
|
|
else
|
|
|
echo "Previous version not registered (or it was the same 3.12)."
|
|
|
fi
|
|
|
|
|
|
echo "Setting /usr/bin/python3.12 as the selection for python3..."
|
|
|
update-alternatives --set python3 /usr/bin/python3.12
|
|
|
|
|
|
echo ">>> [5/6] Cleaning apt cache..."
|
|
|
apt clean
|
|
|
|
|
|
echo ">>> [6/6] Final verification..."
|
|
|
echo "Default python3 version:"
|
|
|
python3 --version
|
|
|
|
|
|
echo "Pip version associated with default python3:"
|
|
|
python3 -m pip --version
|
|
|
|
|
|
echo "Default python3 executable path:"
|
|
|
command -v python3
|
|
|
ls -l $(command -v python3)
|
|
|
|
|
|
echo ""
|
|
|
echo "--------------------------------------------------------------------"
|
|
|
echo "Done! Python 3.12 should now be the default version."
|
|
|
echo "Remember the warning about potential system breakage."
|
|
|
echo "--------------------------------------------------------------------"
|
|
|
|
|
|
exit 0 |
