Update macosx framework packaging to follow apple guidelines (#776)

* Update macosx framework packaging to follow apple guidelines

* Test path fix

* Update tools/ci_build/extract_nuget_files.ps1

---------

.pipelines/ios_packaging.yml

@@ -162,7 +162,7 @@ jobs:
       pushd ${POD_STAGING_DIR}
 
       # assemble the files in the artifacts staging directory
-      zip -r ${ARTIFACTS_STAGING_DIR}/${POD_ARCHIVE_BASENAME} * --exclude ${PODSPEC_BASENAME}
+      zip -vry ${ARTIFACTS_STAGING_DIR}/${POD_ARCHIVE_BASENAME} * --exclude ${PODSPEC_BASENAME}
       cp ${PODSPEC_BASENAME} ${ARTIFACTS_STAGING_DIR}/${PODSPEC_BASENAME}
 
       popd

.pipelines/templates/build-package-for-ios-cocoapods.yml

@@ -173,13 +173,13 @@ jobs:
       POD_STAGING_DIR="$(Build.BinariesDirectory)/pod_staging"
       ARTIFACTS_STAGING_DIR="$(Build.ArtifactStagingDirectory)"
       POD_NAME="onnxruntime-extensions-c"
-      POD_ARCHIVE_BASENAME="pod-archive-${POD_NAME}-${ORT_EXTENSIONS_POD_VERSION}.zip"
+      POD_ARCHIVE_BASENAME="onnxruntime_extensions.xcframework.${ORT_EXTENSIONS_POD_VERSION}.zip"
       PODSPEC_BASENAME="${POD_NAME}.podspec"
 
       pushd ${POD_STAGING_DIR}
 
       # assemble the files in the artifacts staging directory
-      zip -r ${ARTIFACTS_STAGING_DIR}/${POD_ARCHIVE_BASENAME} * --exclude ${PODSPEC_BASENAME}
+      zip -vry ${ARTIFACTS_STAGING_DIR}/${POD_ARCHIVE_BASENAME} * --exclude ${PODSPEC_BASENAME}
       cp ${PODSPEC_BASENAME} ${ARTIFACTS_STAGING_DIR}/${PODSPEC_BASENAME}
 
       popd

nuget/DummyNativeNuget.nuspec

@@ -54,7 +54,7 @@
     <file src="targets\net6.0-android\Microsoft.ML.OnnxRuntime.Extensions.Dummy.targets" target="build\net6.0-android31.0" />
     <file src="targets\net6.0-android\Microsoft.ML.OnnxRuntime.Extensions.Dummy.targets" target="buildTransitive\net6.0-android31.0" />
     <!-- iOS via Xamarin/MAUI. -->
-    <file src="..\nuget-artifacts\onnxruntime_extensions.xcframework\**" target="runtimes\ios\native\onnxruntime_extensions.xcframework" />
+    <file src="..\nuget-artifacts\onnxruntime_extensions.xcframework.zip" target="runtimes\ios\native\" />
     <file src="targets\xamarinios10\Microsoft.ML.OnnxRuntime.Extensions.Dummy.targets" target="build\xamarinios10" />
     <file src="targets\xamarinios10\Microsoft.ML.OnnxRuntime.Extensions.Dummy.targets" target="buildTransitive\xamarinios10" />
     <file src="targets\net6.0-ios\Microsoft.ML.OnnxRuntime.Extensions.Dummy.targets" target="build\net6.0-ios15.4" />

nuget/NativeNuget.nuspec

@@ -51,7 +51,7 @@
     <file src="targets\net6.0-android\Microsoft.ML.OnnxRuntime.Extensions.targets" target="build\net6.0-android31.0" />
     <file src="targets\net6.0-android\Microsoft.ML.OnnxRuntime.Extensions.targets" target="buildTransitive\net6.0-android31.0" />
     <!-- iOS via Xamarin/MAUI. -->
-    <file src="..\nuget-artifacts\onnxruntime_extensions.xcframework\**" target="runtimes\ios\native\onnxruntime_extensions.xcframework" />
+    <file src="..\nuget-artifacts\onnxruntime_extensions.xcframework.zip" target="runtimes\ios\native\" />
     <file src="targets\xamarinios10\Microsoft.ML.OnnxRuntime.Extensions.targets" target="build\xamarinios10" />
     <file src="targets\xamarinios10\Microsoft.ML.OnnxRuntime.Extensions.targets" target="buildTransitive\xamarinios10" />
     <file src="targets\net6.0-ios\Microsoft.ML.OnnxRuntime.Extensions.targets" target="build\net6.0-ios15.4" />

nuget/targets/net6.0-ios/Microsoft.ML.OnnxRuntime.Extensions.targets

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Condition="('$(OutputType)'!='Library' OR '$(IsAppExtension)'=='True')">
-    <NativeReference Include="$(MSBuildThisFileDirectory)..\..\runtimes\ios\native\onnxruntime_extensions.xcframework">
+    <NativeReference Include="$(MSBuildThisFileDirectory)..\..\runtimes\ios\native\onnxruntime_extensions.xcframework.zip">
       <Kind>Static</Kind>
       <IsCxx>True</IsCxx>
       <SmartLink>True</SmartLink>

tools/android/build_aar.py

@@ -30,10 +30,7 @@ def build_for_abi(
         str(_repo_dir / "tools" / "build.py"),
         f"--build_dir={build_dir}",
         f"--config={config}",
-        "--update",
-        "--build",
         "--parallel",
-        "--test",
         # Android options
         "--android",
         f"--android_abi={abi}",
@@ -53,7 +50,7 @@ def do_build_by_mode(
     api_level: int,
     sdk_path: Path,
     ndk_path: Path,
-    build_py_args: list[str]
+    build_py_args: list[str],
 ):
     output_dir = output_dir.resolve()
 
@@ -77,12 +74,12 @@ def do_build_by_mode(
 
             jnilib_names = ["libortextensions.so", "libonnxruntime_extensions4j_jni.so"]
             for jnilib_name in jnilib_names:
-                shutil.copyfile(build_dir / config / "java" / "android" / abi / jnilib_name, jnilibs_dir / jnilib_name)
+                shutil.copyfile(build_dir / config / "lib" / jnilib_name, jnilibs_dir / jnilib_name)
 
             # depending on the build settings these libraries may not be build
             optional_jnilib_names = ["libcrypto.so", "libssl.so", "libcurl.so"]
             for jnilib_name in optional_jnilib_names:
-                src = build_dir / config / "java" / "android" / abi / jnilib_name
+                src = build_dir / config / "lib" / jnilib_name
                 if src.exists():
                     shutil.copyfile(src, jnilibs_dir / jnilib_name)
 

tools/ci_build/extract_nuget_files.ps1

@@ -20,7 +20,7 @@ New-Item -Path $nuget_sources_dir -ItemType directory
 
 ## .zip files
 # unzip directly
-Get-ChildItem $artifact_download_dir -Filter *.zip |
+Get-ChildItem $artifact_download_dir -Include *.zip -Exclude onnxruntime_extensions.xcframework.*.zip |
 Foreach-Object {
   $cmd = "7z.exe x $($_.FullName) -y -o$nuget_sources_dir"
   Write-Output $cmd
@@ -44,6 +44,21 @@ Foreach-Object {
   Invoke-Expression -Command $cmd
 }
 
+# process iOS xcframework
+$xcframeworks = Get-ChildItem $Env:BUILD_BINARIESDIRECTORY\nuget-artifacts -Filter onnxruntime_extensions.xcframework.*.zip
+if ($xcframeworks.Count -eq 1) {
+  $xcframework = $xcframeworks[0]
+  # remove version info from filename and use required filename format
+  $target_file = "$nuget_sources_dir\onnxruntime_extensions.xcframework.zip"
+  New-Item -Path $target_dir -ItemType directory
+
+  Write-Output "Copy-Item $($xcframework.FullName) $target_file"
+  Copy-Item $xcframework.FullName $target_file
+}
+elseif ($xcframeworks.Count -ne 1) {
+  Write-Error "Expected at most one onnxruntime_extensions.xcframework.*.zip file but got: [$xcframeworks]"
+}
+
 # copy android AAR.
 
 # target file structure:

tools/ios/assemble_pod_package.py

@@ -7,10 +7,10 @@
 
 import argparse
 import json
-from pathlib import Path
 import re
 import shutil
 import sys
+from pathlib import Path
 from typing import Dict
 
 _script_dir = Path(__file__).resolve().parent
@@ -60,7 +60,12 @@ def gen_file_from_template(
 
 
 def assemble_pod_package(
-    staging_dir: Path, xcframework_dir: Path, public_headers_dir: Path, xcframework_info_file: Path, pod_version: str, catalyst_enabled: bool,
+    staging_dir: Path,
+    xcframework_dir: Path,
+    public_headers_dir: Path,
+    xcframework_info_file: Path,
+    pod_version: str,
+    catalyst_enabled: bool,
 ):
     staging_dir = staging_dir.resolve()
     xcframework_dir = xcframework_dir.resolve(strict=True)
@@ -74,8 +79,8 @@ def assemble_pod_package(
 
     # copy files to staging dir
     shutil.copyfile(_repo_dir / "LICENSE", staging_dir / "LICENSE")
-    shutil.copytree(xcframework_dir, staging_dir / xcframework_dir.name, dirs_exist_ok=True)
-    shutil.copytree(public_headers_dir, staging_dir / public_headers_dir.name, dirs_exist_ok=True)
+    shutil.copytree(xcframework_dir, staging_dir / xcframework_dir.name, dirs_exist_ok=True, symlinks=True)
+    shutil.copytree(public_headers_dir, staging_dir / public_headers_dir.name, dirs_exist_ok=True, symlinks=True)
 
     # generate podspec
     pod_name = "onnxruntime-extensions-c"

tools/ios/build_xcframework.py

@@ -9,10 +9,9 @@ from __future__ import annotations
 
 import argparse
 import json
-import os
-from pathlib import Path
 import shutil
 import sys
+from pathlib import Path
 
 _repo_dir = Path(__file__).resolve().parents[2]
 sys.path.insert(0, str(_repo_dir / "tools"))
@@ -98,7 +97,7 @@ def build_framework_for_platform_and_arch(
 
     cmake_defines = []
 
-    if platform != "macosx" and platform != "maccatalyst":  #ios simulator or iphoneos platform
+    if platform != "macosx" and platform != "maccatalyst":  # ios simulator or iphoneos platform
         cmake_defines += [
             # required by OpenCV CMake toolchain file
             # https://github.com/opencv/opencv/blob/4223495e6cd67011f86b8ecd9be1fa105018f3b1/platforms/ios/cmake/Toolchains/common-ios-toolchain.cmake#L64-L66
@@ -213,19 +212,61 @@ def build_xcframework(
             platform_fat_framework_dir.mkdir()
 
             # copy over files from arch-specific framework to fat framework
-            for framework_file_relative_path in [Path("Headers"), Path("Info.plist")]:
-                src = first_arch_framework_dir / framework_file_relative_path
-                dst = platform_fat_framework_dir / framework_file_relative_path
-                if src.is_dir():
-                    shutil.copytree(src, dst)
-                else:
-                    shutil.copy(src, dst)
+            # macos requires different framework structure:
+            # https://developer.apple.com/library/archive/documentation/MacOSX/Conceptual/BPFrameworks/Concepts/FrameworkAnatomy.html
+            if platform == "macosx" or platform == "maccatalyst":
+                # Set up directory strcture
+                dest_headers_dir = platform_fat_framework_dir / "Versions/A/Headers"
+                dest_resources_dir = platform_fat_framework_dir / "Versions/A/Resources"
 
-            # combine arch-specific framework libraries
-            arch_libs = [str(framework_dir / "onnxruntime_extensions") for framework_dir in arch_framework_dirs]
-            run(
-                *([_lipo, "-create", "-output", str(platform_fat_framework_dir / "onnxruntime_extensions")] + arch_libs)
-            )
+                # Copy headers and Info.plist
+                shutil.copytree(first_arch_framework_dir / Path("Headers"), dest_headers_dir)
+                Path(dest_resources_dir).mkdir(parents=True, exist_ok=True)
+                shutil.copy(first_arch_framework_dir / Path("Info.plist"), dest_resources_dir / "Info.plist")
+
+                # combine arch-specific framework libraries
+                arch_libs = [str(framework_dir / "onnxruntime_extensions") for framework_dir in arch_framework_dirs]
+                run(
+                    *(
+                        [
+                            _lipo,
+                            "-create",
+                            "-output",
+                            str(platform_fat_framework_dir / "Versions/A/onnxruntime_extensions"),
+                        ]
+                        + arch_libs
+                    )
+                )
+
+                # create Symbolic links
+                Path(platform_fat_framework_dir / "Versions/Current").symlink_to("A", target_is_directory=True)
+                Path(platform_fat_framework_dir / "Headers").symlink_to(
+                    "Versions/Current/Headers", target_is_directory=True
+                )
+                Path(platform_fat_framework_dir / "Resources").symlink_to(
+                    "Versions/Current/Resources", target_is_directory=True
+                )
+                Path(platform_fat_framework_dir / "onnxruntime_extensions").symlink_to(
+                    "Versions/Current/onnxruntime_extensions"
+                )
+
+            else:
+                for framework_file_relative_path in [Path("Headers"), Path("Info.plist")]:
+                    src = first_arch_framework_dir / framework_file_relative_path
+                    dst = platform_fat_framework_dir / framework_file_relative_path
+                    if src.is_dir():
+                        shutil.copytree(src, dst)
+                    else:
+                        shutil.copy(src, dst)
+
+                # combine arch-specific framework libraries
+                arch_libs = [str(framework_dir / "onnxruntime_extensions") for framework_dir in arch_framework_dirs]
+                run(
+                    *(
+                        [_lipo, "-create", "-output", str(platform_fat_framework_dir / "onnxruntime_extensions")]
+                        + arch_libs
+                    )
+                )
 
             platform_fat_framework_dirs.append(platform_fat_framework_dir)
 
@@ -241,7 +282,7 @@ def build_xcframework(
         # copy public headers
         output_headers_dir = output_dir / "Headers"
         _rmtree_if_existing(output_headers_dir)
-        shutil.copytree(headers_dir, output_headers_dir)
+        shutil.copytree(headers_dir, output_headers_dir, symlinks=True)
 
         # merge framework_info.json per platform into xcframework_info.json in output_dir
         _merge_framework_info_files(framework_info_files_to_merge, Path(output_dir, "xcframework_info.json"))