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#!/bin/bash
# Copyright 2015 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
set -e -o errexit
# Prefix expected paths with ./ locally and external/reponame/ for remote repos.
# TODO(kchodorow): remove once runfiles paths are fixed, see
# https://github.com/bazelbuild/bazel/issues/848.
script_path=$(dirname $(dirname $(dirname "$0")))
script_path=${script_path:-.}
EXPECTED_PATHS="$script_path/util/python/python_include"\
" $script_path/util/python/python_lib"\
" $script_path/third_party/py/numpy/numpy_include"
function main {
argument="$1"
shift
case $argument in
--check)
check_python
exit 0
;;
--setup)
setup_python "$1"
exit 0
;;
esac
}
function setup_python {
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
}
function check_python {
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: ${true_path}. Do you need to rerun configure?\n\n" 1>&2
exit 1
fi
done
}
main "$@"
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