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#!/usr/bin/env bash
# Copyright 2015 The TensorFlow Authors. 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
if [ -d "../org_tensorflow" ]; then
script_path="../org_tensorflow"
else
# 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:-.}
fi
function main {
setup_python "$1"
exit 0
}
function python_path {
"$PYTHON_BIN_PATH" - <<END
from __future__ import print_function
import site
import os
try:
input = raw_input
except NameError:
pass
python_paths = []
if os.getenv('PYTHONPATH') is not None:
python_paths = os.getenv('PYTHONPATH').split(':')
try:
library_paths = site.getsitepackages()
except AttributeError:
from distutils.sysconfig import get_python_lib
library_paths = [get_python_lib()]
all_paths = set(python_paths + library_paths)
paths = []
for path in all_paths:
if os.path.isdir(path):
paths.append(path)
if len(paths) == 1:
print(paths[0])
else:
ret_paths = ",".join(paths)
print(ret_paths)
END
}
function default_python_path {
PYTHON_ARG="$1" "$PYTHON_BIN_PATH" - <<END
from __future__ import print_function
import os
default = os.getenv('PYTHON_ARG')
default = str(default)
print(default)
END
}
function setup_python {
PYTHON_BIN_PATH="$1";
# TODO(ngiraldo): move most of these checks to root configure
if [ -z "$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 $PYTHON_BIN_PATH the correct python binary?"
exit 1
fi
# TODO(ngiraldo): confirm if these checks are really necessary, remove if not
if [ -z "$PYTHON_LIB_PATH" ]; then
local python_lib_path
# Split python_path into an array of paths, this allows path containing spaces
IFS=','
python_lib_path=($(python_path))
unset IFS
if [ 1 = "$USE_DEFAULT_PYTHON_LIB_PATH" ]; then
PYTHON_LIB_PATH="$(default_python_path "${python_lib_path[0]}")"
echo "Using python library path: $PYTHON_LIB_PATH"
else
echo "Found possible Python library paths:"
for x in "${python_lib_path[@]}"; do
echo " $x"
done
set -- "${python_lib_path[@]}"
echo "Please input the desired Python library path to use. Default is ["$1"]"
read b || true
if [ "$b" == "" ]; then
PYTHON_LIB_PATH="$(default_python_path "${python_lib_path[0]}")"
echo "Using python library path: $PYTHON_LIB_PATH"
else
PYTHON_LIB_PATH="$b"
fi
fi
fi
if test -d "$PYTHON_LIB_PATH" -a -x "$PYTHON_LIB_PATH"; then
python_lib="$PYTHON_LIB_PATH"
else
echo -e "\n\nERROR: Invalid python library path: ${PYTHON_LIB_PATH}."
exit 1
fi
# Convert python path to Windows style before writing into bazel.rc
if is_windows; then
PYTHON_BIN_PATH="$(cygpath -m "$PYTHON_BIN_PATH")"
fi
# TODO(ngiraldo): move all below to root configure
# Write tools/bazel.rc
echo "# Autogenerated by configure: DO NOT EDIT" > tools/bazel.rc
sed -e "s/\$PYTHON_MAJOR_VERSION/$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
}
PLATFORM="$(uname -s | tr 'A-Z' 'a-z')"
function is_windows() {
# On windows, the shell script is actually running in msys
if [[ "${PLATFORM}" =~ msys_nt* ]]; then
true
else
false
fi
}
main "$@"
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