Add pip package building script. Based on tensorflow/custom-op.

PiperOrigin-RevId: 246424128
Change-Id: If4ea5c02d89e5611ba218e0302d4dbe2e5fefcbd

Author: ssjhv

BUILD

@@ -49,6 +49,18 @@ py_library(
     ],
 )
 
+sh_binary(
+    name = "build_pip_pkg",
+    srcs = ["build_pip_pkg.sh"],
+    data = [
+        "LICENSE",
+        "MANIFEST.in",
+        "README.md",
+        "setup.py",
+        ":tensorflow_compression",
+    ],
+)
+
 py_test(
     name = "entropy_models_test",
     timeout = "long",

build_pip_pkg.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+# Copyright 2018 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.
+# ==============================================================================
+
+# This is based on
+# https://github.com/tensorflow/custom-op/blob/master/build_pip_pkg.sh
+
+set -e
+set -x
+
+PIP_FILE_PREFIX="bazel-bin/build_pip_pkg.runfiles/__main__/"
+
+function main() {
+  DEST=${1}
+  if [[ -z ${DEST} ]]; then
+    DEST=/tmp
+  fi
+
+  mkdir -p ${DEST}
+  DEST=$(readlink -f "${DEST}")
+  echo "=== destination directory: ${DEST}"
+
+  TMPDIR=$(mktemp -d -t tmp.XXXXXXXXXX)
+  echo $(date) : "=== Using tmpdir: ${TMPDIR}"
+
+  echo "=== Copying files"
+  rsync -avm -L --exclude='*_test.py' --exclude='build_pip_pkg*' ${PIP_FILE_PREFIX} "${TMPDIR}"
+
+  echo $(date) : "=== Building wheel"
+  pushd ${TMPDIR}
+  python setup.py bdist_wheel > /dev/null
+  cp dist/*.whl "${DEST}"
+  popd
+
+  rm -rf ${TMPDIR}
+  echo $(date) : "=== Output wheel file is in: ${DEST}"
+}
+
+main "$@"