argument="$1"

shift

case $argument in

--check)

check_python

exit 0

;;

--setup)

setup_python "$1"

exit 0

;;

esac

PYTHON_BIN_PATH="$1";

if [ -z "$PYTHON_BIN_PATH" ]; then

echo "PYTHON_BIN_PATH was not provided. Did you run configure?"

exit 1

fi

if [ ! -x "$PYTHON_BIN_PATH" ] || [ -d "$PYTHON_BIN_PATH" ]; then

echo "PYTHON_BIN_PATH is not executable. Is it the python binary?"

exit 1

fi

local python_major_version=$("${PYTHON_BIN_PATH}" -c 'from __future__ import print_function; import sys; print(sys.version_info[0]);')

if [ "$python_major_version" == "" ]; then

echo -e "\n\nERROR: Problem getting python version. Is $PYTHON_BIN_PATH the correct python binary?"

exit 1

fi

local python_include=$("${PYTHON_BIN_PATH}" -c 'from __future__ import print_function; from distutils import sysconfig; print(sysconfig.get_python_inc());')

if [ "$python_include" == "" ]; then

echo -e "\n\nERROR: Problem getting python include path. Is distutils installed?"

exit 1

fi

local python_lib=$("${PYTHON_BIN_PATH}" -c 'from __future__ import print_function; from distutils import sysconfig; print(sysconfig.get_python_lib());')

if [ "$python_lib" == "" ]; then

echo -e "\n\nERROR: Problem getting python lib path. Is distutils installed?"

exit 1

fi

local numpy_include=$("${PYTHON_BIN_PATH}" -c 'from __future__ import print_function; import numpy; print(numpy.get_include());')

if [ "$numpy_include" == "" ]; then

echo -e "\n\nERROR: Problem getting numpy include path. Is numpy installed?"

exit 1

fi

for x in $EXPECTED_PATHS; do

if [ -e "$x" ]; then

rm "$x"

fi

done

ln -sf "${python_include}" util/python/python_include

ln -sf "${python_lib}" util/python/python_lib

ln -sf "${numpy_include}" third_party/py/numpy/numpy_include

# Write tools/bazel.rc

echo "# Autogenerated by configure: DO NOT EDIT" > tools/bazel.rc

sed -e "s/\$PYTHON_MAJOR_VERSION/$python_major_version/g" \

-e "s[\$PYTHON_BINARY[$PYTHON_BIN_PATH[g" \

tools/bazel.rc.template >> tools/bazel.rc

# Write tools/python_bin_path.sh

echo "export PYTHON_BIN_PATH=$PYTHON_BIN_PATH" > tools/python_bin_path.sh

for x in $EXPECTED_PATHS; do

if [ ! -e "$x" ]; then

echo -e "\n\nERROR: Cannot find '${x}'. Did you run configure?\n\n" 1>&2

exit 1

fi

if [ ! -L "${x}" ]; then

echo -e "\n\nERROR: '${x}' is not a symbolic link. Internal error.\n\n" 1>&2

exit 1

fi

true_path=$(readlink "${x}")

if [ ! -d "${true_path}" ]; then

echo -e "\n\nERROR: '${x}' does not refer to an existing directory: ${true_path}. Do you need to rerun configure?\n\n" 1>&2

exit 1

fi

done