tensorflow/util/python/python_config.sh at master · machineL1994/tensorflow · GitHub

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#!/usr/bin/env bash

# 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:-.}

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 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";

if [ -z "$PYTHON_BIN_PATH" ]; then

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

exit 1

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

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

exit 1

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

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

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"

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

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

for x in $EXPECTED_PATHS; do

if [ -e "$x" ]; then

rm -rf "$x"

done

# ln -sf is actually implemented as copying in msys since creating symbolic

# links is privileged on Windows. But copying is too slow, so invoke mklink

# to create junctions on Windows.

if is_windows; then

cmd /c "mklink /J util\\python\\python_include \"${python_include}\""

cmd /c "mklink /J util\\python\\python_lib \"${python_lib}\""

cmd /c "mklink /J third_party\\py\\numpy\\numpy_include \"${numpy_include}\""

else

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

# Convert python path to Windows style before writing into bazel.rc

if is_windows; then

PYTHON_BIN_PATH="$(cygpath -m "$PYTHON_BIN_PATH")"

# 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

}

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

# Don't check symbolic link on Windows

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

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

exit 1

if is_windows; then

# In msys, readlink <path> doesn't work, because no symbolic link on

# Windows. readlink -f <path> returns the real path of a junction.

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

else

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

done

}

main "$@"

tensorflow/util/python/python_config.sh at master · machineL1994/tensorflow · GitHub

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