mirror of
https://github.com/BerriAI/litellm.git
synced 2026-09-19 00:01:29 +00:00
133 lines
6.5 KiB
Bash
Executable file
133 lines
6.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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# LiteLLM Installer
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# Usage: curl -fsSL https://raw.githubusercontent.com/BerriAI/litellm/main/scripts/install.sh | sh
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set -euo pipefail
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MIN_PYTHON_MAJOR=3
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MIN_PYTHON_MINOR=9
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# NOTE: set to "litellm[proxy]" before merging to main (once --setup ships in a PyPI release).
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# On this branch we install from git so the installer gets the --setup flag.
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LITELLM_PACKAGE="litellm[proxy] @ git+https://github.com/BerriAI/litellm.git@worktree-dynamic-tickling-journal"
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# ── colours ────────────────────────────────────────────────────────────────
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if [ -t 1 ]; then
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BOLD='\033[1m'
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GREEN='\033[38;2;78;186;101m'
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GREY='\033[38;2;153;153;153m'
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RESET='\033[0m'
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else
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BOLD='' GREEN='' GREY='' RESET=''
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fi
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info() { printf "${GREY} %s${RESET}\n" "$*"; }
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success() { printf "${GREEN} ✔ %s${RESET}\n" "$*"; }
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header() { printf "${BOLD} %s${RESET}\n" "$*"; }
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die() { printf "\n Error: %s\n\n" "$*" >&2; exit 1; }
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# ── banner ─────────────────────────────────────────────────────────────────
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echo ""
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cat << 'EOF'
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██╗ ██╗████████╗███████╗██╗ ██╗ ███╗ ███╗
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██║ ██║╚══██╔══╝██╔════╝██║ ██║ ████╗ ████║
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██║ ██║ ██║ █████╗ ██║ ██║ ██╔████╔██║
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██║ ██║ ██║ ██╔══╝ ██║ ██║ ██║╚██╔╝██║
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███████╗██║ ██║ ███████╗███████╗███████╗██║ ╚═╝ ██║
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╚══════╝╚═╝ ╚═╝ ╚══════╝╚══════╝╚══════╝╚═╝ ╚═╝
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EOF
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printf " ${BOLD}LiteLLM Installer${RESET} ${GREY}— unified gateway for 100+ LLM providers${RESET}\n\n"
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# ── OS detection ───────────────────────────────────────────────────────────
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OS="$(uname -s)"
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ARCH="$(uname -m)"
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case "$OS" in
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Darwin) PLATFORM="macOS ($ARCH)" ;;
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Linux) PLATFORM="Linux ($ARCH)" ;;
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*) die "Unsupported OS: $OS. LiteLLM supports macOS and Linux." ;;
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esac
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info "Platform: $PLATFORM"
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# ── Python detection ───────────────────────────────────────────────────────
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PYTHON_BIN=""
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for candidate in python3 python; do
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if command -v "$candidate" >/dev/null 2>&1; then
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major="$("$candidate" -c 'import sys; print(sys.version_info.major)' 2>/dev/null || true)"
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minor="$("$candidate" -c 'import sys; print(sys.version_info.minor)' 2>/dev/null || true)"
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if [ "${major:-0}" -ge "$MIN_PYTHON_MAJOR" ] && [ "${minor:-0}" -ge "$MIN_PYTHON_MINOR" ]; then
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PYTHON_BIN="$(command -v "$candidate")"
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info "Python: $("$candidate" --version 2>&1)"
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break
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fi
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fi
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done
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if [ -z "$PYTHON_BIN" ]; then
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die "Python ${MIN_PYTHON_MAJOR}.${MIN_PYTHON_MINOR}+ is required but not found.
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Install it from https://python.org/downloads or via your package manager:
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macOS: brew install python@3
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Ubuntu: sudo apt install python3 python3-pip"
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fi
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# ── pip detection ──────────────────────────────────────────────────────────
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if ! "$PYTHON_BIN" -m pip --version >/dev/null 2>&1; then
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die "pip is not available. Install it with:
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$PYTHON_BIN -m ensurepip --upgrade"
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fi
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# ── install ────────────────────────────────────────────────────────────────
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echo ""
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header "Installing litellm[proxy]…"
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printf " \033[38;2;177;185;249m ℹ This clones from GitHub and may take 2–3 minutes on first install.\033[0m\n"
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echo ""
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"$PYTHON_BIN" -m pip install --upgrade --force-reinstall "${LITELLM_PACKAGE}" \
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|| die "pip install failed. Try manually: $PYTHON_BIN -m pip install '${LITELLM_PACKAGE}'"
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# ── find the litellm binary installed by pip for this Python ───────────────
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# sysconfig.get_path('scripts') is where pip puts console scripts — reliable
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# even when the Python lives in a libexec/ symlink tree (e.g. Homebrew).
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SCRIPTS_DIR="$("$PYTHON_BIN" -c 'import sysconfig; print(sysconfig.get_path("scripts"))')"
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LITELLM_BIN="${SCRIPTS_DIR}/litellm"
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if [ ! -x "$LITELLM_BIN" ]; then
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# Fall back to user-base bin (pip install --user)
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USER_BIN="$("$PYTHON_BIN" -c 'import site; print(site.getuserbase())')/bin"
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LITELLM_BIN="${USER_BIN}/litellm"
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fi
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if [ ! -x "$LITELLM_BIN" ]; then
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die "litellm binary not found after install. Try: $PYTHON_BIN -m pip install --user '${LITELLM_PACKAGE}'"
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fi
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# ── success banner ─────────────────────────────────────────────────────────
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echo ""
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success "LiteLLM installed"
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installed_ver="$("$LITELLM_BIN" --version 2>&1 | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1 || true)"
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[ -n "$installed_ver" ] && info "Version: $installed_ver"
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# ── PATH hint ──────────────────────────────────────────────────────────────
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if ! command -v litellm >/dev/null 2>&1; then
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info "Note: add litellm to your PATH: export PATH=\"\$PATH:${SCRIPTS_DIR}\""
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fi
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# ── launch setup wizard ────────────────────────────────────────────────────
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echo ""
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printf " ${BOLD}Run the interactive setup wizard?${RESET} ${GREY}(Y/n)${RESET}: "
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read -r answer </dev/tty
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if [ -z "$answer" ] || [ "$answer" = "y" ] || [ "$answer" = "Y" ]; then
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echo ""
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exec "$LITELLM_BIN" --setup </dev/tty
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else
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echo ""
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header "Quick start:"
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echo ""
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info " litellm --setup # interactive wizard"
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info " litellm --model gpt-4o # single-model quickstart"
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echo ""
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info "Docs: https://docs.litellm.ai"
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echo ""
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fi
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