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5146e76 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | #!/usr/bin/env bash
# Start both backend and frontend in dev mode.
# - Flask on :5174 (with reload)
# - Vite on :5173 (with HMR), proxies /api/* to Flask
#
# Open http://localhost:5173 in the browser.
# Ctrl-C stops both cleanly.
set -euo pipefail
# Run everything from the repo root so PYTHONPATH works without surgery.
BENCH_DIR="$(cd "$(dirname "$0")" && pwd)"
REPO_ROOT="$(cd "$BENCH_DIR/.." && pwd)"
cd "$REPO_ROOT"
# Pick Python. Prefer the local venv in benchmark_ui/.venv.
if [ -x "$BENCH_DIR/.venv/bin/python" ]; then
PY="$BENCH_DIR/.venv/bin/python"
elif command -v python3 >/dev/null 2>&1; then
PY="$(command -v python3)"
else
echo "[dev] no python interpreter found" >&2
exit 1
fi
# Ensure frontend deps are present.
if [ ! -d "$BENCH_DIR/frontend/node_modules" ]; then
echo "[dev] installing frontend deps..." >&2
(cd "$BENCH_DIR/frontend" && npm install)
fi
echo "[dev] backend: $PY -m benchmark_ui.backend.app (port 5174)"
echo "[dev] frontend: vite dev (port 5173)"
echo "[dev] open http://localhost:5173"
# Backend. Log to /tmp/benchmark_ui.backend.log so the user can tail.
PYTHONPATH="$REPO_ROOT" DEBUG=1 "$PY" -m benchmark_ui.backend.app \
>/tmp/benchmark_ui.backend.log 2>&1 &
BE_PID=$!
# Give Flask a second to bind or fail fast so we can surface the error.
sleep 1
if ! kill -0 "$BE_PID" 2>/dev/null; then
echo "[dev] backend failed to start. Log at /tmp/benchmark_ui.backend.log:" >&2
tail -n 30 /tmp/benchmark_ui.backend.log >&2
exit 1
fi
echo "[dev] backend pid=$BE_PID (log: tail -f /tmp/benchmark_ui.backend.log)"
# Frontend runs in the foreground so Ctrl-C kills it immediately and
# the trap takes care of the backend.
trap "echo '[dev] shutting down'; kill $BE_PID 2>/dev/null || true; wait 2>/dev/null || true" EXIT INT TERM
(cd "$BENCH_DIR/frontend" && npm run dev)
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