build_litellm_portable_macos.sh

#!/usr/bin/env bash
# ============================================================
#  build_litellm_portable_macos.sh
#  Construit LiteLLMPortable\ (cible Windows x64) DEPUIS macOS.
#  Resolution des dependances pour la PLATEFORME CIBLE via
#  uv pip compile --python-platform windows (les marqueurs
#  sys_platform/platform_system sont evalues pour Windows,
#  pas pour macOS : uvloop exclu, colorama inclus, etc.),
#  puis pip download/install en --no-deps sur le lockfile.
#  Prerequis : uv, python3 + pip, curl, unzip.
# ============================================================
set -euo pipefail

PYVER=3.13.14
PYTAG=313
LITELLM_PIN="litellm[proxy]==1.91.3"
WHEELS="${WHEELS:-$PWD/wheels}"
ROOT="$PWD/LiteLLMPortable"
PY="$ROOT/App/python"
LOCK="$PWD/win-requirements.txt"
XPLAT=(--platform win_amd64 --python-version "$PYTAG" --implementation cp --only-binary=:all:)

command -v uv >/dev/null || { echo "[ERREUR] uv requis (brew install uv)"; exit 1; }
[ -e "$ROOT" ] && { echo "[ERREUR] $ROOT existe deja"; exit 1; }

echo "[1/6] Resolution des dependances pour Windows/cp$PYTAG (uv)..."
printf '%s\n' "$LITELLM_PIN" > requirements.in
uv pip compile requirements.in -o "$LOCK" \
  --python-platform windows --python-version 3.13 --no-build

echo "[2/6] Telechargement des wheels (miroir auditable)..."
mkdir -p "$WHEELS"
python3 -m pip download -r "$LOCK" -d "$WHEELS" --no-deps "${XPLAT[@]}"

echo "[3/6] Python embeddable $PYVER..."
curl -L -o /tmp/pyembed.zip \
  "https://www.python.org/ftp/python/$PYVER/python-$PYVER-embed-amd64.zip"
mkdir -p "$PY" "$ROOT/Data/tiktoken"
unzip -q /tmp/pyembed.zip -d "$PY"

echo "[4/6] Activation de site-packages (._pth, CRLF)..."
printf 'python%s.zip\r\n.\r\nLib\\site-packages\r\nimport site\r\n' "$PYTAG" \
  > "$PY/python$PYTAG._pth"

echo "[5/6] Installation du lockfile dans le site-packages cible..."
python3 -m pip install -r "$LOCK" --no-deps --target "$PY/Lib/site-packages" \
  "${XPLAT[@]}" --no-index --find-links "$WHEELS" --no-compile

echo "[6/6] Launchers et config..."
cat > "$ROOT/launch.py" <<'EOF'
import sys
from importlib.metadata import entry_points

eps = entry_points(group="console_scripts")
ep = next(e for e in eps if e.name == "litellm")
sys.exit(ep.load()())
EOF

# litellm.cmd : genere en CRLF (cmd.exe est capricieux avec LF seul)
printf '%s\r\n' \
  '@echo off' \
  'setlocal' \
  'set "ROOT=%~dp0"' \
  'set PYTHONNOUSERSITE=1' \
  'set PYTHONDONTWRITEBYTECODE=1' \
  'set "HOME=%ROOT%Data"' \
  'set "USERPROFILE=%ROOT%Data"' \
  'set "TIKTOKEN_CACHE_DIR=%ROOT%Data\tiktoken"' \
  '"%ROOT%App\python\python.exe" "%ROOT%launch.py" %*' \
  > "$ROOT/litellm.cmd"

cat > "$ROOT/Data/config.yaml" <<'EOF'
model_list:
  - model_name: exemple
    litellm_params:
      model: openai/mistral-large
      api_base: https://gateway.example.com/v1
      api_key: os.environ/GATEWAY_API_KEY
EOF

echo
echo "OK : $ROOT pret (cible win_amd64, cp$PYTAG, lockfile: $LOCK)."
echo "A valider sur une machine Windows : litellm.cmd --version"