Upload python.sh

python.sh

@@ -0,0 +1,73 @@
+#!/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