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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.
set -e -x
MAIN_PYTHON_BIN="/opt/python/cp37-cp37m/bin"
echo "BUILD_PYTHON: ${BUILD_PYTHON}"
REPO_ROOT=/var/code/python-crc32c/
# Upgrade `pip` before using it.
${MAIN_PYTHON_BIN}/python -m pip install --upgrade pip
# Install `cmake` (i.e. non-Python build dependency).
${MAIN_PYTHON_BIN}/python -m pip install "cmake >= 3.12.0"
# Install Python build dependencies.
${MAIN_PYTHON_BIN}/python -m pip install \
--requirement ${REPO_ROOT}/scripts/dev-requirements.txt
# Build and install `crc32c`
cd ${REPO_ROOT}/google_crc32c/
rm -rf build
mkdir build
cd build/
${MAIN_PYTHON_BIN}/cmake \
-DCMAKE_BUILD_TYPE=Release \
-DCRC32C_BUILD_TESTS=no \
-DCRC32C_BUILD_BENCHMARKS=no \
-DBUILD_SHARED_LIBS=yes \
..
make all install
PYTHON_VERSIONS=""
if [[ -z ${BUILD_PYTHON} ]]; then
# Collect all target Python versions.
for PYTHON_BIN in /opt/python/*/bin; do
# H/T: https://stackoverflow.com/a/229606/1068170
if [[ "${PYTHON_BIN}" == *"37"* ]]; then
PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
continue
elif [[ "${PYTHON_BIN}" == *"38"* ]]; then
PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
continue
elif [[ "${PYTHON_BIN}" == *"39"* ]]; then
PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
continue
elif [[ "${PYTHON_BIN}" == *"310"* ]]; then
PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
continue
else
echo "Ignoring unsupported version: ${PYTHON_BIN}"
echo "====================================="
fi
done
else
STRIPPED_PYTHON=$(echo ${BUILD_PYTHON} | sed -e "s/\.//g" | sed -e "s/-dev$//")
for PYTHON_BIN in /opt/python/*/bin; do
if [[ "${PYTHON_BIN}" == *"${STRIPPED_PYTHON}"* ]]; then
PYTHON_VERSIONS="${PYTHON_VERSIONS} ${PYTHON_BIN}"
fi
done
fi
# Build the wheels.
cd ${REPO_ROOT}
for PYTHON_BIN in ${PYTHON_VERSIONS}; do
${PYTHON_BIN}/python -m pip install --upgrade pip
${PYTHON_BIN}/python -m pip install \
--requirement ${REPO_ROOT}/scripts/dev-requirements.txt
${PYTHON_BIN}/python -m pip wheel . --wheel-dir dist_wheels/
done
# Bundle external shared libraries into the wheels
for whl in dist_wheels/google_crc32c*.whl; do
${MAIN_PYTHON_BIN}/auditwheel repair "${whl}" --wheel-dir wheels/
done
# Clean up.
rm -fr ${REPO_ROOT}/google_crc32c/build/
rm -fr ${REPO_ROOT}/dist_wheels/
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