ivlivs-iii / dart_python_ffi Goto Github PK

Launching lib\main.dart on Windows in debug mode...
lib\main.dart:1
√  Built build\windows\runner\Debug\example.exe.
Connecting to VM Service at ws://127.0.0.1:50354/PgO4aU0b_qk=/ws
Could not find platform independent libraries <prefix>
Python path configuration:
  PYTHONHOME = (not set)
  PYTHONPATH = (not set)
  program name = 'python'
  isolated = 0
  environment = 1
  user site = 1
  safe_path = 0
  import site = 1
  is in build tree = 0
  stdlib dir = 'C:\Users\Anton\Documents\Flutter\dart_python_ffi\packages\python_ffi\example\Lib'
  sys._base_executable = 'C:\\Users\\Anton\\Documents\\Flutter\\dart_python_ffi\\packages\\python_ffi\\example\\build\\windows\\runner\\Debug\\example.exe'
  sys.base_prefix = 'C:\\Users\\Anton\\Documents\\Flutter\\dart_python_ffi\\packages\\python_ffi\\example'
  sys.base_exec_prefix = 'C:\\Users\\Anton\\Documents\\Flutter\\dart_python_ffi\\packages\\python_ffi\\example'
  sys.platlibdir = 'DLLs'
  sys.executable = 'C:\\Users\\Anton\\Documents\\Flutter\\dart_python_ffi\\packages\\python_ffi\\example\\build\\windows\\runner\\Debug\\example.exe'
  sys.prefix = 'C:\\Users\\Anton\\Documents\\Flutter\\dart_python_ffi\\packages\\python_ffi\\example'
  sys.exec_prefix = 'C:\\Users\\Anton\\Documents\\Flutter\\dart_python_ffi\\packages\\python_ffi\\example'
  sys.path = [
    'C:\\Users\\Anton\\Documents\\Flutter\\dart_python_ffi\\packages\\python_ffi\\example\\build\\windows\\runner\\Debug\\python311.zip',
    'C:\\Users\\Anton\\Documents\\Flutter\\dart_python_ffi\\packages\\python_ffi\\example',
    'C:\\Users\\Anton\\Documents\\Flutter\\dart_python_ffi\\packages\\python_ffi\\example\\Lib',
    'C:\\Users\\Anton\\Documents\\Flutter\\dart_python_ffi\\packages\\python_ffi\\example\\build\\windows\\runner\\Debug',
  ]
Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding
Python runtime state: core initialized
ModuleNotFoundError: No module named 'encodings'
Current thread 0x00000bfc (most recent call first):
  <no Python frame>
Lost connection to device.
Exited (sigterm)

void primitivesSqrt() {
    final PrimitivesModule primitivesModule = PrimitivesModule.import();
    final int sqrt = primitivesModule.sqrt(9);
    debugPrint("Sqrt: $sqrt");
  }

[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PathAccessException: Cannot delete file, path = 'C:\Users\kondo\AppData\Roaming\ir.hezare\fishyar/python_ffi/lib/python3.11.zip' (OS Error: The process cannot access the file because it is being used by another process.

, errno = 32)
#0      _checkForErrorResponse (dart:io/common.dart:55:9)
#1      _File._delete.<anonymous closure> (dart:io/file_impl.dart:315:7)
<asynchronous suspension>
#2      PythonFfiCPython.copyPythonStdLib (package:python_ffi_cpython/python_ffi_cpython.dart:47:5)
<asynchronous suspension>
#3      PythonFfiCPythonMixin.initialize (package:python_ffi_cpython_dart/src/python_ffi_cpython_dart_base.dart:312:5)
<asynchronous suspension>
#4      PythonFfi.initialize (package:python_ffi/src/python_ffi_base.dart:26:7)

E/flutter (11838): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: LateInitializationError: Field '_instance@287145062' has not been initialized.
E/flutter (11838): #0      PythonFfiDelegate._instance (package:python_ffi_interface/src/delegate.dart)
E/flutter (11838): #1      PythonFfiDelegate.instance (package:python_ffi_interface/src/delegate.dart:18:53)
E/flutter (11838): #2      PythonFfi.initialize (package:python_ffi/src/python_ffi_base.dart:39:31)
E/flutter (11838): #3      initialize (package:flutter_package_export/flutter_package_export.dart:9:28)
E/flutter (11838): #4      main (package:flutter_package_import/main.dart:6:9)
E/flutter (11838): #5      _runMain.<anonymous closure> (dart:ui/hooks.dart:301:23)
E/flutter (11838): #6      _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:297:19)
E/flutter (11838): #7      _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:184:12)
E/flutter (11838): 

  @override
  Future<Set<PythonModuleDefinition>> discoverPythonModules(
      [String packagePath = "",]) async {
    try {
      final ByteData modulesJsonRaw = await PlatformAssetBundle()
          .load("${packagePath}python-modules/modules.json");
      return _decodePythonModules(
        utf8.decode(modulesJsonRaw.buffer.asUint8List()),
      ).toSet();
      // ignore: avoid_catching_errors
    } on FlutterError catch (e) {
      debugPrint("Failed to load python modules: $e");
      return <PythonModuleDefinition>{};
    }
  }

 FutureOr<void> initialize([String packagePath = ""]) async =>
      await PythonFfiDelegate.instance.initialize(packagePath);

Future<void> init() async {
  await PythonFfi.instance.initialize('packages/dns_engine/');
}