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#!/bin/bash
# Copyright 2018 Google LLC
#
# 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
#
# https://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.
# Build a **single** Python wheel for a specified version. The version and
# associated paths should be set as environment variables; the expected
# environment variables will be verified below.
set -e -x
# Check that the REPO_ROOT, PY_BIN and PY_TAG environment variables are set.
if [[ -z "${REPO_ROOT}" ]]; then
echo "REPO_ROOT environment variable should be set by the caller."
exit 1
fi
if [[ -z "${PY_BIN}" ]]; then
echo "PY_BIN environment variable should be set by the caller."
exit 1
fi
if [[ -z "${PY_TAG}" ]]; then
echo "PY_TAG environment variable should be set by the caller."
exit 1
fi
# Create a virtualenv where we can install Python build dependencies.
VENV=${REPO_ROOT}/venv${PY_BIN}
${PY_BIN} -m venv ${VENV}
curl https://bootstrap.pypa.io/get-pip.py | ${VENV}/bin/python
${VENV}/bin/python -m pip install \
--requirement ${REPO_ROOT}/scripts/dev-requirements.txt
# Create the wheel.
DIST_WHEELS="${REPO_ROOT}/dist_wheels"
mkdir -p ${DIST_WHEELS}
cd ${REPO_ROOT}
${VENV}/bin/python setup.py build_ext \
--include-dirs=${REPO_ROOT}/usr/include \
--library-dirs=${REPO_ROOT}/usr/lib \
--rpath=${REPO_ROOT}/usr/lib
${VENV}/bin/python -m pip wheel ${REPO_ROOT} --wheel-dir ${DIST_WHEELS}
# Delocate the wheel. removed --check-archs. We don't build i386.
FIXED_WHEELS="${REPO_ROOT}/wheels"
mkdir -p ${FIXED_WHEELS}
${VENV}/bin/delocate-wheel \
--wheel-dir ${FIXED_WHEELS} \
--verbose \
${DIST_WHEELS}/google_crc32c*${PY_TAG}*.whl
# Clean up.
rm -fr ${DIST_WHEELS}
rm -fr ${VENV}
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