1+ #! /bin/bash
2+
3+ # Script to check and install Python 3.12 or higher
4+ # Supports: macOS, Ubuntu, Arch Linux
5+
6+ set -e
7+
8+ REQUIRED_MAJOR=3
9+ REQUIRED_MINOR=12
10+
11+ # Colors for output
12+ RED=' \033[0;31m'
13+ GREEN=' \033[0;32m'
14+ YELLOW=' \033[1;33m'
15+ BLUE=' \033[0;34m'
16+ NC=' \033[0m' # No Color
17+
18+ print_info () {
19+ echo -e " ${BLUE} [INFO]${NC} $1 "
20+ }
21+
22+ print_success () {
23+ echo -e " ${GREEN} [SUCCESS]${NC} $1 "
24+ }
25+
26+ print_warning () {
27+ echo -e " ${YELLOW} [WARNING]${NC} $1 "
28+ }
29+
30+ print_error () {
31+ echo -e " ${RED} [ERROR]${NC} $1 "
32+ }
33+
34+ # Function to check Python version
35+ check_python_version () {
36+ local python_cmd=$1
37+
38+ if ! command -v " $python_cmd " & > /dev/null; then
39+ return 1
40+ fi
41+
42+ local version_output
43+ version_output=$( $python_cmd --version 2>&1 )
44+
45+ # Extract version numbers
46+ local version
47+ version=$( echo " $version_output " | grep -oE ' [0-9]+\.[0-9]+\.[0-9]+' | head -1)
48+
49+ if [[ -z " $version " ; then
50+ return 1
51+ fi
52+
53+ local major minor patch
54+ IFS=' .' read -r major minor patch <<< " $version"
55+
56+ echo " Found $python_cmd version: $version "
57+
58+ if [[ $major -gt $REQUIRED_MAJOR ]] ||
59+ [[ $major -eq $REQUIRED_MAJOR && $minor -ge $REQUIRED_MINOR ]]; then
60+ return 0
61+ else
62+ return 1
63+ fi
64+ }
65+
66+ # Function to detect OS
67+ detect_os () {
68+ if [[ " $OSTYPE " == " darwin" * ]]; then
69+ echo " macos"
70+ elif [[ -f /etc/arch-release ]]; then
71+ echo " arch"
72+ elif [[ -f /etc/debian_version ]] || [[ -f /etc/ubuntu-release ]]; then
73+ echo " ubuntu"
74+ else
75+ echo " unknown"
76+ fi
77+ }
78+
79+ # Function to install Python on macOS
80+ install_python_macos () {
81+ print_info " Installing Python on macOS..."
82+
83+ if ! command -v brew & > /dev/null; then
84+ print_error " Homebrew is not installed. Please install Homebrew first:"
85+ echo " /bin/bash -c \"\$ (curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)\" "
86+ exit 1
87+ fi
88+
89+ print_info " Updating Homebrew..."
90+ brew update
91+
92+ print_info " Installing Python 3.12..."
93+ 94+
95+ # Create symlinks if needed
96+ if [[ ! -L /usr/local/bin/python3.12 ]]; then
97+ 98+ fi
99+ }
100+
101+ # Function to install Python on Ubuntu
102+ install_python_ubuntu () {
103+ print_info " Installing Python on Ubuntu..."
104+
105+ print_info " Updating package list..."
106+ sudo apt update
107+
108+ # Add deadsnakes PPA for newer Python versions
109+ print_info " Adding deadsnakes PPA..."
110+ sudo apt install -y software-properties-common
111+ sudo add-apt-repository -y ppa:deadsnakes/ppa
112+ sudo apt update
113+
114+ print_info " Installing Python 3.12..."
115+ sudo apt install -y python3.12 python3.12-venv python3.12-pip python3.12-dev
116+
117+ # Set up alternatives
118+ sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 1
119+ }
120+
121+ # Function to install Python on Arch Linux
122+ install_python_arch () {
123+ print_info " Installing Python on Arch Linux..."
124+
125+ print_info " Updating package database..."
126+ sudo pacman -Sy
127+
128+ print_info " Installing Python..."
129+ sudo pacman -S --noconfirm python python-pip
130+ }
131+
132+ # Main function
133+ main () {
134+ print_info " Checking Python version requirements (>= ${REQUIRED_MAJOR} .${REQUIRED_MINOR} )"
135+
136+ # Check various Python commands
137+ local python_found=false
138+ local python_commands=(" python3.12" " python3.13" " python3.14" " python3" " python"
139+
140+ for cmd in " ${python_commands[@]} " ; do
141+ if check_python_version " $cmd " ; then
142+ print_success " Python requirement satisfied with $cmd "
143+ python_found=true
144+ break
145+ fi
146+ done
147+
148+ if [[ " $python_found " == " true" ; then
149+ print_success " Python version check passed!"
150+ exit 0
151+ fi
152+
153+ print_warning " Python ${REQUIRED_MAJOR} .${REQUIRED_MINOR} + not found or version is too old"
154+
155+ # Detect OS
156+ local os
157+ os=$( detect_os)
158+ print_info " Detected OS: $os "
159+
160+ # Ask user for permission to install
161+ echo
162+ print_warning " Do you want to install/update Python? (y/N)"
163+ read -r response
164+
165+ if [[ ! " $response " =~ ^[Yy]$ ]]; then
166+ print_info " Installation cancelled by user"
167+ exit 0
168+ fi
169+
170+ # Install based on OS
171+ case $os in
172+ " macos"
173+ install_python_macos
174+ ;;
175+ " ubuntu"
176+ install_python_ubuntu
177+ ;;
178+ " arch"
179+ install_python_arch
180+ ;;
181+ * )
182+ print_error " Unsupported operating system: $os "
183+ print_info " Please install Python ${REQUIRED_MAJOR} .${REQUIRED_MINOR} + manually"
184+ exit 1
185+ ;;
186+ esac
187+
188+ # Verify installation
189+ print_info " Verifying installation..."
190+ sleep 2
191+
192+ python_found=false
193+ for cmd in " ${python_commands[@]} " ; do
194+ if check_python_version " $cmd " ; then
195+ print_success " Installation successful! Python requirement satisfied with $cmd "
196+ python_found=true
197+ break
198+ fi
199+ done
200+
201+ if [[ " $python_found " == " false" ; then
202+ print_error " Installation completed but Python ${REQUIRED_MAJOR} .${REQUIRED_MINOR} + still not found"
203+ print_info " You may need to restart your terminal or add Python to your PATH"
204+ exit 1
205+ fi
206+ }
207+
208+ # Run main function
209+ main " $@ "
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