Set MinimumOSVersion to 13.0 for generated Python frameworks (#136)

* MinimumOSVersion=13.0

* Version bumped to 0.8.8, changelog updated

* Pyodide 0.27.2, Python 3.12.9

* Fix sitecustomize.py for Python 3.12.9

* Copy sysconfig on macOS only

Author: FeodorFitsner

src/serious_python/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 0.8.8
+
+* Set `MinimumOSVersion` to `13.0` for generated Python frameworks.
+* Pyodide 0.27.2
+* Python 3.12.9
+
 ## 0.8.7
 
 * Fixed: `xcframeworks` migration script didn't work for sub-directories.

src/serious_python/bin/package_command.dart

@@ -13,11 +13,11 @@ import 'macos_utils.dart' as macos_utils;
 import 'sitecustomize.dart';
 
 const mobilePyPiUrl = "https://pypi.flet.dev";
-const pyodideRootUrl = "https://cdn.jsdelivr.net/pyodide/v0.26.2/full";
+const pyodideRootUrl = "https://cdn.jsdelivr.net/pyodide/v0.27.2/full";
 const pyodideLockFile = "pyodide-lock.json";
 
-const buildPythonVersion = "3.12.6";
-const buildPythonReleaseDate = "20240909";
+const buildPythonVersion = "3.12.9";
+const buildPythonReleaseDate = "20250205";
 const defaultSitePackagesDir = "__pypackages__";
 const sitePackagesEnvironmentVariable = "SERIOUS_PYTHON_SITE_PACKAGES";
 const flutterPackagesFlutterEnvironmentVariable =
@@ -507,7 +507,7 @@ class PackageCommand extends Command {
         if (!await File(pythonArchivePath).exists()) {
           // download Python distr from GitHub
           final url =
-              "https://github.com/indygreg/python-build-standalone/releases/download/$buildPythonReleaseDate/$pythonArchiveFilename";
+              "https://github.com/astral-sh/python-build-standalone/releases/download/$buildPythonReleaseDate/$pythonArchiveFilename";
 
           if (_verbose) {
             verbose(
@@ -523,13 +523,18 @@ class PackageCommand extends Command {
 
         // extract Python from archive
         if (_verbose) {
-          "Extracting Python distributive from $pythonArchivePath to ${_pythonDir!.path}";
+          verbose(
+              "Extracting Python distributive from $pythonArchivePath to ${_pythonDir!.path}");
         } else {
           stdout.writeln("Extracting Python distributive");
         }
 
         await Process.run(
             'tar', ['-xzf', pythonArchivePath, '-C', _pythonDir!.path]);
+
+        if (Platform.isMacOS) {
+          copySysconfigFiles(_pythonDir!.path);
+        }
       }
     }
 
@@ -542,6 +547,57 @@ class PackageCommand extends Command {
     return await runExec(pythonExePath, args, environment: environment);
   }
 
+  void copySysconfigFiles(String pythonDir) {
+    final libPath = Directory(path.join(pythonDir, "python", "lib"));
+
+    // Find the Python version dynamically (e.g., python3.10, python3.11)
+    if (!libPath.existsSync()) {
+      stderr.writeln('Python lib directory not found: $libPath');
+      exit(1);
+    }
+
+    // Find the actual Python 3.x subdirectory
+    final pythonSubDir = libPath
+        .listSync()
+        .whereType<Directory>()
+        .firstWhere((dir) => RegExp(r'python3\.\d+').hasMatch(dir.path),
+            orElse: () => throw Exception('No Python 3.x directory found'))
+        .path;
+
+    final targetDir = Directory(pythonSubDir);
+
+    // Search for `_sysconfigdata__*.py` files
+    final files = targetDir
+        .listSync()
+        .whereType<File>()
+        .where((file) => RegExp(r'_sysconfigdata__.*\.py$').hasMatch(file.path))
+        .toList();
+
+    if (files.isEmpty) {
+      stderr.writeln('No matching _sysconfigdata__ files found in $targetDir');
+      exit(1);
+    }
+
+    for (final file in files) {
+      final dir = file.parent.path;
+
+      // Define the new filenames
+      final targets = [
+        '_sysconfigdata__darwin_arm64_iphoneos.py',
+        '_sysconfigdata__darwin_arm64_iphonesimulator.py',
+        '_sysconfigdata__darwin_x86_64_iphonesimulator.py',
+      ];
+
+      for (final target in targets) {
+        final targetPath = '$dir/$target';
+        file.copySync(targetPath);
+        if (_verbose) {
+          verbose('Copied ${file.path} -> $targetPath');
+        }
+      }
+    }
+  }
+
   Future<HttpServer> startSimpleServer() async {
     const htmlHeader = "<!DOCTYPE html><html><body>\n";
     const htmlFooter = "</body></html>\n";

src/serious_python/bin/sitecustomize.dart

@@ -6,8 +6,10 @@ custom_system = "{platform}"
 custom_platform = "{tag}"
 custom_mac_ver = "{mac_ver}"
 
+import collections
 import platform
 import sysconfig
+import sys
 
 if custom_system:
     platform.system = lambda: custom_system
@@ -24,6 +26,20 @@ if custom_mac_ver:
 
   platform.mac_ver = custom_mac_ver_impl
 
+if custom_system == "iOS":
+  IOSVersionInfo = collections.namedtuple(
+      "IOSVersionInfo",
+      ["system", "release", "model", "is_simulator"]
+  )
+
+  tag_parts = custom_platform.split("-")
+
+  def custom_ios_ver(system="", release="", model="", is_simulator=False):
+      return IOSVersionInfo(custom_system, tag_parts[1], "iPhone", "simulator" in tag_parts[3])
+
+  platform.ios_ver = custom_ios_ver
+
+  sys.implementation._multiarch = f"{tag_parts[2]}_{tag_parts[3]}"
 
 orig_platform_version = platform.version
 platform.version = lambda: orig_platform_version() + ";embedded"

src/serious_python/example/run_example/pubspec.lock

@@ -53,10 +53,10 @@ packages:
     dependency: transitive
     description:
       name: collection
-      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
+      sha256: a1ace0a119f20aabc852d165077c036cd864315bd99b7eaa10a60100341941bf
       url: "https://pub.dev"
     source: hosted
-    version: "1.18.0"
+    version: "1.19.0"
   crypto:
     dependency: transitive
     description:
@@ -150,18 +150,18 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "3f87a60e8c63aecc975dda1ceedbc8f24de75f09e4856ea27daf8958f2f0ce05"
+      sha256: "7bb2830ebd849694d1ec25bf1f44582d6ac531a57a365a803a6034ff751d2d06"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.5"
+    version: "10.0.7"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "932549fb305594d82d7183ecd9fa93463e9914e1b67cacc34bc40906594a1806"
+      sha256: "9491a714cca3667b60b5c420da8217e6de0d1ba7a5ec322fab01758f6998f379"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.5"
+    version: "3.0.8"
   leak_tracker_testing:
     dependency: transitive
     description:
@@ -296,42 +296,42 @@ packages:
       path: "../.."
       relative: true
     source: path
-    version: "0.8.6"
+    version: "0.8.8"
   serious_python_android:
     dependency: transitive
     description:
       path: "../../../serious_python_android"
       relative: true
     source: path
-    version: "0.8.6"
+    version: "0.8.8"
   serious_python_darwin:
     dependency: transitive
     description:
       path: "../../../serious_python_darwin"
       relative: true
     source: path
-    version: "0.8.6"
+    version: "0.8.8"
   serious_python_linux:
     dependency: transitive
     description:
       path: "../../../serious_python_linux"
       relative: true
     source: path
-    version: "0.8.6"
+    version: "0.8.8"
   serious_python_platform_interface:
     dependency: transitive
     description:
       path: "../../../serious_python_platform_interface"
       relative: true
     source: path
-    version: "0.8.6"
+    version: "0.8.8"
   serious_python_windows:
     dependency: transitive
     description:
       path: "../../../serious_python_windows"
       relative: true
     source: path
-    version: "0.8.6"
+    version: "0.8.8"
   shelf:
     dependency: transitive
     description:
@@ -344,7 +344,7 @@ packages:
     dependency: transitive
     description: flutter
     source: sdk
-    version: "0.0.99"
+    version: "0.0.0"
   source_span:
     dependency: transitive
     description:
@@ -357,10 +357,10 @@ packages:
     dependency: transitive
     description:
       name: stack_trace
-      sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b"
+      sha256: "9f47fd3630d76be3ab26f0ee06d213679aa425996925ff3feffdec504931c377"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.1"
+    version: "1.12.0"
   stream_channel:
     dependency: transitive
     description:
@@ -373,10 +373,10 @@ packages:
     dependency: transitive
     description:
       name: string_scanner
-      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      sha256: "688af5ed3402a4bde5b3a6c15fd768dbf2621a614950b17f04626c431ab3c4c3"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   sync_http:
     dependency: transitive
     description:
@@ -397,10 +397,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "5b8a98dafc4d5c4c9c72d8b31ab2b23fc13422348d2997120294d3bac86b4ddb"
+      sha256: "664d3a9a64782fcdeb83ce9c6b39e78fd2971d4e37827b9b06c3aa1edc5e760c"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.2"
+    version: "0.7.3"
   toml:
     dependency: transitive
     description:
@@ -429,10 +429,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: "5c5f338a667b4c644744b661f309fb8080bb94b18a7e91ef1dbd343bed00ed6d"
+      sha256: f6be3ed8bd01289b34d679c2b62226f63c0e69f9fd2e50a6b3c1c729a961041b
       url: "https://pub.dev"
     source: hosted
-    version: "14.2.5"
+    version: "14.3.0"
   web:
     dependency: transitive
     description:
@@ -445,10 +445,10 @@ packages:
     dependency: transitive
     description:
       name: webdriver
-      sha256: "003d7da9519e1e5f329422b36c4dcdf18d7d2978d1ba099ea4e45ba490ed845e"
+      sha256: "3d773670966f02a646319410766d3b5e1037efb7f07cc68f844d5e06cd4d61c8"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.3"
+    version: "3.0.4"
   xdg_directories:
     dependency: transitive
     description:

src/serious_python/pubspec.yaml

@@ -2,7 +2,7 @@ name: serious_python
 description: A cross-platform plugin for adding embedded Python runtime to your Flutter apps.
 homepage: https://flet.dev
 repository: https://github.com/flet-dev/serious-python
-version: 0.8.7
+version: 0.8.8
 
 platforms:
   ios:

src/serious_python_android/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 0.8.8
+
+* Set `MinimumOSVersion` to `13.0` for generated Python frameworks.
+* Pyodide 0.27.2
+* Python 3.12.9
+
 ## 0.8.7
 
 * Fixed: `xcframeworks` migration script didn't work for sub-directories.

src/serious_python_android/android/build.gradle

@@ -1,5 +1,5 @@
 group 'com.flet.serious_python_android'
-version '0.8.7'
+version '0.8.8'
 
 def python_version = '3.12'
 

src/serious_python_android/pubspec.yaml

@@ -2,7 +2,7 @@ name: serious_python_android
 description: Android implementation of the serious_python plugin
 homepage: https://flet.dev
 repository: https://github.com/flet-dev/serious-python
-version: 0.8.7
+version: 0.8.8
 
 environment:
   sdk: ">=3.0.0 <4.0.0"

src/serious_python_darwin/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 0.8.8
+
+* Set `MinimumOSVersion` to `13.0` for generated Python frameworks.
+* Pyodide 0.27.2
+* Python 3.12.9
+
 ## 0.8.7
 
 * Fixed: `xcframeworks` migration script didn't work for sub-directories.

src/serious_python_darwin/darwin/serious_python_darwin.podspec

@@ -4,7 +4,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'serious_python_darwin'
-  s.version          = '0.8.7'
+  s.version          = '0.8.8'
   s.summary          = 'A cross-platform plugin for adding embedded Python runtime to your Flutter apps.'
   s.description      = <<-DESC
   A cross-platform plugin for adding embedded Python runtime to your Flutter apps.