{
cat > ${INSTALL_WORK}/env_${PRODUCT_TYPE}.sh <<EOF
#$DELIM ${PRODUCT_TYPE} $DELIM
+if [ -n "\${PYTHONPATH}" ]; then
+ export PYNATIVE=\${PYTHONPATH}
+ export PYTHONPATH=""
+fi
export PYTHONHOME=\${INSTALL_ROOT}/${PRODUCT}
export PATH=\${PYTHONHOME}/bin:\${PATH}
export LD_LIBRARY_PATH=\${PYTHONHOME}/lib:\${LD_LIBRARY_PATH}
export PYTHON_VERSION=\`python -c "import sys; print sys.version[:3]"\`
export PYTHON_INCLUDE=\${PYTHONHOME}/include/python\${PYTHON_VERSION}
-export PYTHONPATH=\${PYTHONHOME}/lib/python\${PYTHON_VERSION}:\${PYTHONPATH}
+export PYTHONPATH=\${PYTHONHOME}/lib/python\${PYTHON_VERSION}:\${PYNATIVE}
##
EOF
(test -w ${PRODUCT_DIR} && cp ${INSTALL_WORK}/env_${PRODUCT_TYPE}.sh ${PRODUCT_DIR})