85 lines
2.3 KiB
Bash
Executable File
85 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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echo "============================================"
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echo "Python 3 Latest Installation Script"
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echo "============================================"
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echo ""
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echo "This script will run the following commands with sudo:"
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echo " - apt-get update"
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echo " - apt-get install -y software-properties-common"
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echo " - add-apt-repository -y ppa:deadsnakes/ppa"
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echo " - apt-get update"
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echo " - apt-get install -y python3-venv python3.X python3.X-venv python3.X-dev python3.X-distutils"
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echo " - <latest-python> (to install pip via get-pip.py)"
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echo ""
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read -p "Continue with installation? (y/N) " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo "Installation cancelled."
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exit 0
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fi
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echo ""
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echo "Starting installation (commands will be shown as they run)..."
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echo ""
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# Enable command tracing
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set -x
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# Install prerequisites
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sudo apt-get update
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sudo apt-get install -y software-properties-common
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# Add deadsnakes PPA
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sudo add-apt-repository -y ppa:deadsnakes/ppa
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sudo apt-get update
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# Disable tracing temporarily to find latest version cleanly
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set +x
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# Find the latest Python 3 version available
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echo "Finding latest Python 3 version..."
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LATEST_PYTHON=$(apt-cache search --names-only '^python3\.[0-9]+$' | \
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grep -oP 'python3\.\d+' | \
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sort -V | \
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tail -1)
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if [ -z "$LATEST_PYTHON" ]; then
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echo "Error: Could not determine latest Python 3 version" >&2
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exit 1
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fi
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echo "Installing $LATEST_PYTHON..."
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set -x
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sudo apt-get install -y \
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python3-venv \
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"$LATEST_PYTHON" \
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"$LATEST_PYTHON-venv" \
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"$LATEST_PYTHON-dev" \
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"$LATEST_PYTHON-distutils"
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# Install pip for the new Python version
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curl -sS https://bootstrap.pypa.io/get-pip.py | sudo "$LATEST_PYTHON"
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# Disable command tracing for cleaner output
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set +x
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echo ""
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echo "============================================"
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# Verify installation
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if command -v "$LATEST_PYTHON" &> /dev/null; then
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echo "$LATEST_PYTHON installed successfully!"
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"$LATEST_PYTHON" --version
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"$LATEST_PYTHON" -m pip --version
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else
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echo "Error: $LATEST_PYTHON installation failed" >&2
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exit 1
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fi
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echo ""
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echo "Note: Use '$LATEST_PYTHON' to run this version"
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echo "To make it the default python3, run:"
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echo " sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/$LATEST_PYTHON 1"
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echo "============================================"
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