尝试加入mac和linux库的打包

Author: chexiongsheng

.github/workflows/build_nuget.yml

@@ -174,14 +174,45 @@ jobs:
           ls unity/nuget/downloaded_natives
           tree unity/nuget/downloaded_natives /F
         shell: pwsh
-      - name: Download Python
+      - name: Download Python (Windows)
         run: |
           $destPath = "unity\nuget\downloaded_natives\natives-win-x64\native\papi-python\build_win_x64_papi-python\Release"
+          New-Item -ItemType Directory -Force -Path $destPath
           $downloadedEmbedZip = "$env:TEMP\python-3.14.2-embed-amd64.zip"
           $downloadUrl = "https://www.python.org/ftp/python/3.14.2/python-3.14.2-embed-amd64.zip"
           Invoke-WebRequest -Uri $downloadUrl -OutFile $downloadedEmbedZip
           Expand-Archive -Path $downloadedEmbedZip -DestinationPath $destPath -Force
         shell: pwsh
+      
+      - name: Download Python Standalone (Linux)
+        run: |
+          $destPath = "unity/nuget/downloaded_natives/natives-linux-x64/native/papi-python/build_linux_x64_papi-python"
+          New-Item -ItemType Directory -Force -Path $destPath
+          
+          # Download from python-build-standalone
+          $pythonUrl = "https://github.com/astral-sh/python-build-standalone/releases/download/20251217/cpython-3.14.2+20251217-x86_64-unknown-linux-gnu-install_only.tar.gz"
+          $downloadedTar = "$env:TEMP/python-linux.tar.gz"
+          Invoke-WebRequest -Uri $pythonUrl -OutFile $downloadedTar
+          
+          # Extract (requires tar command available on Windows)
+          tar -xzf $downloadedTar -C $destPath --strip-components=1
+        shell: pwsh
+      
+      - name: Download Python Standalone (macOS)
+        run: |
+          # For macOS, we need to put files in the upms structure first
+          # The TransformNativeAssetsTask will handle moving them to the correct location
+          $destPath = "unity/nuget/downloaded_natives/natives-osx-auto/upms/python/Plugins/macOS/arm64"
+          New-Item -ItemType Directory -Force -Path $destPath
+          
+          # Download macOS arm64 version from python-build-standalone
+          $pythonUrl = "https://github.com/astral-sh/python-build-standalone/releases/download/20251217/cpython-3.14.2+20251217-aarch64-apple-darwin-install_only.tar.gz"
+          $downloadedTar = "$env:TEMP/python-macos.tar.gz"
+          Invoke-WebRequest -Uri $pythonUrl -OutFile $downloadedTar
+          
+          # Extract
+          tar -xzf $downloadedTar -C $destPath --strip-components=1
+        shell: pwsh
       - name: Run NuGet Packaging and Publishing
         if: ${{ github.event.inputs.publish == 'true' }}
         run: |

unity/nuget/build/Program.cs

@@ -163,6 +163,27 @@ public override void Run(BuildContext context)
 
             context.CopyFiles(dylibFiles, targetBuildDir.FullPath);
 
+            // for Python, also copy the entire Python runtime (lib, include, etc.)
+            if (projectItem.DotNetNativeName == "Python")
+            {
+                // Copy all Python runtime files and directories
+                var pythonRuntimePattern = $"{backendPluginsRoot.FullPath}/**/*";
+                var allPythonFiles = context.GetFiles(
+                    new GlobPattern(pythonRuntimePattern),
+                    new GlobberSettings { IsCaseSensitive = false });
+
+                foreach (var file in allPythonFiles)
+                {
+                    var relativePath = file.FullPath.Substring(backendPluginsRoot.FullPath.Length + 1);
+                    var targetFile = System.IO.Path.Combine(targetBuildDir.FullPath, relativePath);
+                    var targetFileDir = System.IO.Path.GetDirectoryName(targetFile);
+                    Directory.CreateDirectory(targetFileDir);
+                    context.CopyFile(file, targetFile);
+                }
+                
+                context.Log.Information($"Copied Python runtime files from '{backendPluginsRoot.FullPath}' to '{targetBuildDir.FullPath}'");
+            }
+
             // for NodeJS, also copy libnode*.dylib
             if (projectItem.DotNetNativeName == "NodeJS")
             {
@@ -251,7 +272,24 @@ public override void Run(BuildContext context)
             Directory.CreateDirectory(targetDirectory.FullPath);
 
             var files = context.GetFiles(new GlobPattern($"{nativeAssetsPath.FullPath}/**/*"));
-            context.CopyFiles(files, targetDirectory.FullPath);
+            
+            // For Python, we need to preserve directory structure
+            if (projectItem.DotNetNativeName == "Python")
+            {
+                foreach (var file in files)
+                {
+                    var relativePath = file.FullPath.Substring(nativeAssetsPath.FullPath.Length + 1);
+                    var targetFile = System.IO.Path.Combine(targetDirectory.FullPath, relativePath);
+                    var targetFileDir = System.IO.Path.GetDirectoryName(targetFile);
+                    Directory.CreateDirectory(targetFileDir);
+                    context.CopyFile(file, targetFile);
+                }
+                context.Log.Information($"Copied Python runtime with directory structure preserved to '{targetDirectory.FullPath}'");
+            }
+            else
+            {
+                context.CopyFiles(files, targetDirectory.FullPath);
+            }
         }
     }
 }