/// <remarks>
/// Unlike <see cref="ToManaged(BorrowedReference, Type, out object?, bool)"/>,
/// this method does not have a <c>setError</c> parameter, because it should
/// only be called after <see cref="ToManaged(BorrowedReference, Type, out object?, bool)"/>.
/// </remarks>
internal static bool ToManagedExplicit(BorrowedReference value, Type obType,
out object?result)
{
result = null;
// this method would potentially clean any existing error resulting in information loss
Debug.Assert(Runtime.PyErr_Occurred() == null);
string?converterName =
IsInteger(obType) ? "__int__"
: IsFloatingNumber(obType) ? "__float__"
: null;
if (converterName is null)
{
return(false);
}
Debug.Assert(obType.IsPrimitive);
using var converter = Runtime.PyObject_GetAttrString(value, converterName);
if (converter.IsNull())
{
Exceptions.Clear();
return(false);
}
using var explicitlyCoerced = Runtime.PyObject_CallObject(converter.Borrow(), BorrowedReference.Null);
if (explicitlyCoerced.IsNull())
{
Exceptions.Clear();
return(false);
}
return(ToPrimitive(explicitlyCoerced.Borrow(), obType, out result, false));
}
internal static void Throw()
{
using (GIL())
{
if (Runtime.PyErr_Occurred() != 0)
{
throw new PythonException();
}
}
}
/// <summary>
/// ErrorOccurred Method
/// </summary>
/// <remarks>
/// Returns true if an exception occurred in the Python runtime.
/// This is a wrapper for the Python PyErr_Occurred call.
/// </remarks>
public static bool ErrorOccurred()
{
return(Runtime.PyErr_Occurred() != 0);
}
/// <summary>
/// ErrorOccurred Method
/// </summary>
/// <remarks>
/// Returns true if an exception occurred in the Python runtime.
/// This is a wrapper for the Python PyErr_Occurred call.
/// </remarks>
public static bool ErrorOccurred()
{
return(Runtime.PyErr_Occurred() != IntPtr.Zero);
}
/// <summary>
/// ErrorOccurred Method
/// </summary>
/// <remarks>
/// Returns true if an exception occurred in the Python runtime.
/// This is a wrapper for the Python PyErr_Occurred call.
/// </remarks>
public static bool ErrorOccurred()
{
return Runtime.PyErr_Occurred() != null;
}
