Added script to build iOS framework archive for distribution via CocoaPods
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Prianka Liz Kariat
parent
ddbdb88415
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3553eac375
149
mediapipe/tasks/ios/build_ios_framework.sh
Executable file
149
mediapipe/tasks/ios/build_ios_framework.sh
Executable file
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#!/usr/bin/env bash
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# Copyright 2023 The MediaPipe Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Set the following variables as appropriate.
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# * BAZEL: path to bazel. defaults to the first one available in PATH
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# * FRAMEWORK_NAME: name of the iOS framework to be built. Currently the
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# * accepted values are TensorFlowLiteTaskVision, TensorFlowLiteTaskText.
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# * MPP_BUILD_VERSION: to specify the release version. defaults to 0.0.1-dev
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# * IS_RELEASE_BUILD: set as true if this build should be a release build
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# * ARCHIVE_FRAMEWORK: set as true if the framework should be archived
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# * DEST_DIR: destination directory to which the framework will be copied
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set -ex
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if [[ "$(uname)" != "Darwin" ]]; then
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echo "This build script only works on macOS."
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exit 1
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fi
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BAZEL="${BAZEL:-$(which bazel)}"
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MPP_BUILD_VERSION=${MPP_BUILD_VERSION:-0.0.1-dev}
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MPP_ROOT_DIR=$(git rev-parse --show-toplevel)
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MEDIAPIPE_DISABLE_GPU=1
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if [[ ! -x "${BAZEL}" ]]; then
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echo "bazel executable is not found."
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exit 1
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fi
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if [ -z ${FRAMEWORK_NAME+x} ]; then
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echo "Name of the iOS framework, which is to be built, must be set."
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exit 1
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fi
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case $FRAMEWORK_NAME in
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"MediaPipeTaskText")
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;;
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*)
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echo "Wrong framework name. The following framework names are allowed: MediaPipeTaskText"
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exit 1
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;;
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esac
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if [[ -z "${DEST_DIR+x}" || "${DEST_DIR}" == ${MPP_ROOT_DIR}* ]]; then
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echo "DEST_DIR variable must be set and not be under the repository root."
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exit 1
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fi
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# This function takes one bazel target label as an argument, and prints
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# the path of the first output file of the specified target.
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function get_output_file_path {
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local STARLARK_OUTPUT_TMPDIR="$(mktemp -d)"
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local STARLARK_FILE="${STARLARK_OUTPUT_TMPDIR}/print_output_file.starlark"
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cat > "${STARLARK_FILE}" << EOF
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def format(target):
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return target.files.to_list()[0].path
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EOF
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local OUTPUT_PATH=$(bazel cquery $1 --output=starlark --starlark:file="${STARLARK_FILE}" 2> /dev/null)
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# Clean up the temporary directory for bazel cquery.
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rm -rf "${STARLARK_OUTPUT_TMPDIR}"
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echo ${OUTPUT_PATH}
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}
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# This function builds the iOS task .xcframework.
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function build_ios_api_framework {
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local TARGET_PREFIX="//mediapipe/tasks/ios"
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FULL_FRAMEWORK_TARGET="${TARGET_PREFIX}:${FRAMEWORK_NAME}_framework"
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FULL_GRAPH_LIBRARY_TARGET="${TARGET_PREFIX}:${FRAMEWORK_NAME}_GraphLibrary"
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local FRAMEWORK_CQUERY_COMMAND="-c opt --config=darwin_arm64 --apple_generate_dsym=false \
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--define=MEDIAPIPE_DISABLE_GPU=${MEDIAPIPE_DISABLE_GPU} ${FULL_FRAMEWORK_TARGET}"
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"${BAZEL}" build ${FRAMEWORK_CQUERY_COMMAND}
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local IOS_FRAMEWORK_PATH="$(get_output_file_path "${FRAMEWORK_CQUERY_COMMAND}")"
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echo ${IOS_FRAMEWORK_PATH}
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}
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function create_framework_archive {
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# Change to the Bazel iOS output directory.
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pushd "${BAZEL_IOS_OUTDIR}"
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# Create the temporary directory for the given framework.
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local ARCHIVE_NAME="${FRAMEWORK_NAME}-${MPP_BUILD_VERSION}"
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local MPP_TMPDIR="$(mktemp -d)"
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# Copy the license file to MPP_TMPDIR
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cp "LICENSE" ${MPP_TMPDIR}
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local FRAMEWORKS_DIR="${MPP_TMPDIR}/frameworks"
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# Unzip the iOS framework zip generated by bazel to MPP_TMPDIR
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echo "$1"
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unzip "$1" -d "${FRAMEWORKS_DIR}"
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#----- (3) Move the framework to the destination -----
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if [[ "${ARCHIVE_FRAMEWORK}" == true ]]; then
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local TARGET_DIR="$(realpath "${FRAMEWORK_NAME}")"
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# Create the framework archive directory.
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local FRAMEWORK_ARCHIVE_DIR
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if [[ "${IS_RELEASE_BUILD}" == true ]]; then
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# Get the first 16 bytes of the sha256 checksum of the root directory.
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local SHA256_CHECKSUM=$(find "${MPP_TMPDIR}" -type f -print0 | xargs -0 shasum -a 256 | sort | shasum -a 256 | cut -c1-16)
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FRAMEWORK_ARCHIVE_DIR="${TARGET_DIR}/${MPP_BUILD_VERSION}/${SHA256_CHECKSUM}"
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else
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FRAMEWORK_ARCHIVE_DIR="${TARGET_DIR}/${MPP_BUILD_VERSION}"
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fi
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mkdir -p "${FRAMEWORK_ARCHIVE_DIR}"
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# Zip up the framework and move to the archive directory.
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pushd "${MPP_TMPDIR}"
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local MPP_ARCHIVE_FILE="${ARCHIVE_NAME}.tar.gz"
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tar -cvzf "${MPP_ARCHIVE_FILE}" .
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mv "${MPP_ARCHIVE_FILE}" "${FRAMEWORK_ARCHIVE_DIR}"
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popd
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# Move the target directory to the Kokoro artifacts directory.
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mv "${TARGET_DIR}" "$(realpath "${DEST_DIR}")"/
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else
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rsync -r "${MPP_TMPDIR}/" "$(realpath "${DEST_DIR}")/"
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fi
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# Clean up the temporary directory for the framework.
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rm -rf "${MPP_TMPDIR}"
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echo ${MPP_TMPDIR}
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}
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cd "${MPP_ROOT_DIR}"
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IOS_API_FRAMEWORK_PATH="$(build_ios_api_framework)"
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create_framework_archive "${IOS_API_FRAMEWORK_PATH}"
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