internal static void Initialize(Version version)
{
string offsetsClassSuffix = string.Format(CultureInfo.InvariantCulture,
"{0}{1}", version.Major, version.Minor);
var thisAssembly = Assembly.GetExecutingAssembly();
const string nativeTypeOffsetClassName = "Python.Runtime.NativeTypeOffset";
string className = "Python.Runtime.TypeOffset" + offsetsClassSuffix;
Type nativeOffsetsClass = thisAssembly.GetType(nativeTypeOffsetClassName, throwOnError: false);
Type typeOffsetsClass =
// Try platform native offsets first. It is only present when generated by setup.py
nativeOffsetsClass ?? thisAssembly.GetType(className, throwOnError: false);
if (typeOffsetsClass is null)
{
var types = thisAssembly.GetTypes().Select(type => type.Name).Where(name => name.StartsWith("TypeOffset"));
string message = $"Searching for {className}, found {string.Join(",", types)}.";
throw new NotSupportedException($"Python ABI v{version} is not supported: {message}");
}
var typeOffsets = (ITypeOffsets)Activator.CreateInstance(typeOffsetsClass);
TypeOffset.Use(typeOffsets, nativeOffsetsClass == null ? ObjectHeadOffset : 0);
}
internal static void Initialize(Version version, BorrowedReference pyType)
{
string offsetsClassSuffix = string.Format(CultureInfo.InvariantCulture,
"{0}{1}", version.Major, version.Minor);
var thisAssembly = Assembly.GetExecutingAssembly();
const string nativeTypeOffsetClassName = "Python.Runtime.NativeTypeOffset";
string className = "Python.Runtime.TypeOffset" + offsetsClassSuffix;
Type typeOffsetsClass =
// Try platform native offsets first. It is only present when generated by setup.py
thisAssembly.GetType(nativeTypeOffsetClassName, throwOnError: false)
?? thisAssembly.GetType(className, throwOnError: false);
if (typeOffsetsClass is null)
{
var types = thisAssembly.GetTypes().Select(type => type.Name).Where(name => name.StartsWith("TypeOffset"));
string message = $"Searching for {className}, found {string.Join(",", types)}. " +
"If you are building Python.NET from source, make sure you have run 'python setup.py configure' to fill in configured.props";
throw new NotSupportedException($"Python ABI v{version} is not supported: {message}");
}
var typeOffsets = (ITypeOffsets)Activator.CreateInstance(typeOffsetsClass);
TypeOffset.Use(typeOffsets);
ManagedDataOffsets.Magic = Marshal.ReadInt32(pyType.DangerousGetAddress(), TypeOffset.tp_basicsize);
}
internal static void Initialize(Version version, BorrowedReference pyType)
{
string offsetsClassSuffix = string.Format(CultureInfo.InvariantCulture,
"{0}{1}", version.Major, version.Minor);
var thisAssembly = Assembly.GetExecutingAssembly();
const string nativeTypeOffsetClassName = "Python.Runtime.NativeTypeOffset";
string className = "Python.Runtime.TypeOffset" + offsetsClassSuffix;
Type typeOffsetsClass =
// Try platform native offsets first. It is only present when generated by setup.py
thisAssembly.GetType(nativeTypeOffsetClassName, throwOnError: false)
?? thisAssembly.GetType(className, throwOnError: false);
if (typeOffsetsClass is null)
{
throw new NotSupportedException($"Python ABI v{version} is not supported");
}
var typeOffsets = (ITypeOffsets)Activator.CreateInstance(typeOffsetsClass);
TypeOffset.Use(typeOffsets);
ManagedDataOffsets.Magic = Marshal.ReadInt32(pyType.DangerousGetAddress(), TypeOffset.tp_basicsize);
}