public void ExceptionDecodedNoInstance()
{
PyObjectConversions.RegisterDecoder(new InstancelessExceptionDecoder());
using var scope = Py.CreateScope();
var error = Assert.Throws <ValueErrorWrapper>(() => PythonEngine.Exec(
$"[].__iter__().__next__()"));
Assert.AreEqual(TestExceptionMessage, error.Message);
}
public void ExceptionDecoded()
{
PyObjectConversions.RegisterDecoder(new ValueErrorCodec());
using var scope = Py.CreateScope();
var error = Assert.Throws <ValueErrorWrapper>(()
=> PythonEngine.Exec($"raise ValueError('{TestExceptionMessage}')"));
Assert.AreEqual(TestExceptionMessage, error.Message);
}
public void As_Object_AffectedByDecoders()
{
var everythingElseToSelf = new EverythingElseToSelfDecoder();
PyObjectConversions.RegisterDecoder(everythingElseToSelf);
var pyObj = PythonEngine.Eval("iter");
var decoded = pyObj.As <object>();
Assert.AreSame(everythingElseToSelf, decoded);
}
/// <summary>
/// Registers custom encoders and decoders with the Python.NET runtime
/// </summary>
private static void InitializeEncoders()
{
var shared = new object[] { new BigIntegerEncoderDecoder(), new ListEncoderDecoder() };
var encoders = shared.Cast <IPyObjectEncoder>().ToArray();
var decoders = shared.Cast <IPyObjectDecoder>().Concat(new IPyObjectDecoder[]
{
new DictionaryDecoder()
}).ToArray();
Array.ForEach(encoders, e => PyObjectConversions.RegisterEncoder(e));
Array.ForEach(decoders, d => PyObjectConversions.RegisterDecoder(d));
}
private void Setup(bool force = false)
{
if (_isInitialized && !force) return;
_isInitialized = true;
DateTimeCodec.Initialize(this);
NumpyCodec.Initialize(this);
PandasCodec.Initialize(this);
PyObjectConversions.RegisterEncoder(this);
PyObjectConversions.RegisterDecoder(this);
}
public void ExceptionEncoded()
{
PyObjectConversions.RegisterEncoder(new ValueErrorCodec());
void CallMe() => throw new ValueErrorWrapper(TestExceptionMessage);
var callMeAction = new Action(CallMe);
using var scope = Py.CreateScope();
scope.Exec(@"
def call(func):
try:
func()
except ValueError as e:
return str(e)
");
var callFunc = scope.Get("call");
string message = callFunc.Invoke(callMeAction.ToPython()).As <string>();
Assert.AreEqual(TestExceptionMessage, message);
}
public static void Register()
{
PyObjectConversions.RegisterEncoder(Instance);
PyObjectConversions.RegisterDecoder(Instance);
}
public static void Setup()
{
PyObjectConversions.RegisterDecoder(new DateTimeDecoder());
}
public static void Reset()
{
PyObjectConversions.Reset();
}
