tijiaodaim

scripts/start-backend.sh

@@ -5,6 +5,10 @@ source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
 
 PID_FILE="${PID_DIR}/backend.pid"
 LOG_FILE="${LOG_DIR}/backend.log"
+BACKEND_VENDOR_DIR="${BACKEND_VENDOR_DIR:-${BACKEND_DIR}/.deer-flow/python-vendor}"
+BACKEND_WHEELHOUSE="${BACKEND_WHEELHOUSE:-${BACKEND_DIR}/wheelhouse}"
+BACKEND_INSTALL_DEPS="${BACKEND_INSTALL_DEPS:-1}"
+BACKEND_PIP_PACKAGES="${BACKEND_PIP_PACKAGES:-croniter==6.2.2 langgraph-checkpoint-postgres==3.0.5 psycopg==3.3.3 psycopg-binary==3.3.3 psycopg-pool==3.3.0 orjson==3.11.9 tzdata==2026.2}"
 
 if is_running "${PID_FILE}"; then
   echo "Backend is already running (pid $(cat "${PID_FILE}"))."
@@ -17,16 +21,41 @@ rm -f "${PID_FILE}"
 echo "Starting backend..."
 echo "Log: ${LOG_FILE}"
 
+mkdir -p "${BACKEND_VENDOR_DIR}"
+
+if [[ "${BACKEND_INSTALL_DEPS}" != "0" ]]; then
+  if ! (
+    cd "${BACKEND_DIR}" && \
+    PYTHONPATH=".:${BACKEND_VENDOR_DIR}${PYTHONPATH:+:${PYTHONPATH}}" \
+      uv run --no-sync python -c "import croniter; import psycopg; import psycopg_pool; import langgraph.checkpoint.postgres; import langgraph.store.postgres"
+  ) >/dev/null 2>&1; then
+    if [[ ! -d "${BACKEND_WHEELHOUSE}" ]]; then
+      echo "ERROR: wheelhouse not found: ${BACKEND_WHEELHOUSE}" >&2
+      exit 1
+    fi
+    echo "Installing backend runtime deps into ${BACKEND_VENDOR_DIR}"
+    (
+      cd "${BACKEND_DIR}" && \
+      uv pip install \
+        --target "${BACKEND_VENDOR_DIR}" \
+        --no-deps \
+        --no-index \
+        --find-links "${BACKEND_WHEELHOUSE}" \
+        ${BACKEND_PIP_PACKAGES}
+    )
+  fi
+fi
+
 setsid bash -c '
   cd "$0" || exit 1
   exec env \
     GATEWAY_CORS_ORIGINS="$1" \
-    PYTHONPATH=. \
+    PYTHONPATH=".:$4${PYTHONPATH:+:${PYTHONPATH}}" \
     uv run uvicorn app.gateway.app:app \
       --host "$2" \
       --port "$3" \
       --reload
-' "${BACKEND_DIR}" "${GATEWAY_CORS_ORIGINS}" "${BACKEND_HOST}" "${BACKEND_PORT}" \
+' "${BACKEND_DIR}" "${GATEWAY_CORS_ORIGINS}" "${BACKEND_HOST}" "${BACKEND_PORT}" "${BACKEND_VENDOR_DIR}" \
   >"${LOG_FILE}" 2>&1 &
 
 echo "$!" >"${PID_FILE}"