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added fallback

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shivam 2026-03-21 12:23:33 -07:00
parent b64b0d4b9b
commit ffe7e246af
1 changed files with 28 additions and 13 deletions
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41
scripts/install.sh
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@ -79,27 +79,41 @@ if ! "$PYTHON_BIN" -m pip --version >/dev/null 2>&1; then
fi
# ── install ────────────────────────────────────────────────────────────────
# Prefer pipx or venv to avoid PEP 668 "externally-managed-environment" on
# Homebrew/ system Python.
echo ""
header "Installing litellm[proxy]…"
echo ""
"$PYTHON_BIN" -m pip install --upgrade "${LITELLM_PACKAGE}" \
|| die "pip install failed. Try manually: $PYTHON_BIN -m pip install '${LITELLM_PACKAGE}'"
LITELLM_BIN=""
# ── find the litellm binary installed by pip for this Python ───────────────
# sysconfig.get_path('scripts') is where pip puts console scripts — reliable
# even when the Python lives in a libexec/ symlink tree (e.g. Homebrew).
SCRIPTS_DIR="$("$PYTHON_BIN" -c 'import sysconfig; print(sysconfig.get_path("scripts"))')"
LITELLM_BIN="${SCRIPTS_DIR}/litellm"
# Strategy 1: pipx (best for CLI apps, per PEP 668)
if command -v pipx >/dev/null 2>&1; then
info "Using pipx (isolated install)"
if pipx install --force "${LITELLM_PACKAGE}"; then
# pipx installs to ~/.local/bin by default
PIPX_BIN="${PIPX_BIN_DIR:-${HOME}/.local/bin}/litellm"
if [ -x "$PIPX_BIN" ]; then
LITELLM_BIN="$PIPX_BIN"
fi
fi
fi
if [ ! -x "$LITELLM_BIN" ]; then
# Fall back to user-base bin (pip install --user)
USER_BIN="$("$PYTHON_BIN" -c 'import site; print(site.getuserbase())')/bin"
LITELLM_BIN="${USER_BIN}/litellm"
# Strategy 2: venv in ~/.litellm (avoids PEP 668 externally-managed-environment)
if [ -z "$LITELLM_BIN" ]; then
LITELLM_VENV="${LITELLM_VENV:-${HOME}/.litellm/venv}"
info "Using isolated venv: $LITELLM_VENV"
mkdir -p "$(dirname "$LITELLM_VENV")"
"$PYTHON_BIN" -m venv "$LITELLM_VENV" \
|| die "Failed to create venv. Try: $PYTHON_BIN -m venv $LITELLM_VENV"
"${LITELLM_VENV}/bin/pip" install -q --upgrade pip
"${LITELLM_VENV}/bin/pip" install --upgrade "${LITELLM_PACKAGE}" \
|| die "pip install failed. Try manually: ${LITELLM_VENV}/bin/pip install '${LITELLM_PACKAGE}'"
LITELLM_BIN="${LITELLM_VENV}/bin/litellm"
fi
if [ ! -x "$LITELLM_BIN" ]; then
die "litellm binary not found after install. Try: $PYTHON_BIN -m pip install --user '${LITELLM_PACKAGE}'"
die "litellm binary not found. Try: pipx install '${LITELLM_PACKAGE}' or use a venv."
fi
# ── success banner ─────────────────────────────────────────────────────────
@ -111,7 +125,8 @@ installed_ver="$("$LITELLM_BIN" --version 2>&1 | grep -oE '[0-9]+\.[0-9]+\.[0-9]
# ── PATH hint ──────────────────────────────────────────────────────────────
if ! command -v litellm >/dev/null 2>&1; then
info "Note: add litellm to your PATH: export PATH=\"\$PATH:${SCRIPTS_DIR}\""
LITELLM_DIR="$(dirname "$LITELLM_BIN")"
info "Note: add litellm to your PATH: export PATH=\"\$PATH:${LITELLM_DIR}\""
fi
# ── launch setup wizard ────────────────────────────────────────────────────