public static int mp_ass_subscript(IntPtr ob, IntPtr idx, IntPtr v) {
CLRObject obj = (CLRObject)ManagedType.GetManagedObject(ob);
Array items = obj.inst as Array;
Type itemType = obj.inst.GetType().GetElementType();
int rank = items.Rank;
int index = 0;
object value;
if (items.IsReadOnly) {
Exceptions.RaiseTypeError("array is read-only");
return -1;
}
if (!Converter.ToManaged(v, itemType, out value, true)) {
return -1;
}
if (rank == 1) {
index = (int)Runtime.PyInt_AsLong(idx);
if (Exceptions.ErrorOccurred()) {
Exceptions.RaiseTypeError("invalid index value");
return -1;
}
if (index < 0) {
index = items.Length + index;
}
try {
items.SetValue(value, index);
}
catch (IndexOutOfRangeException) {
Exceptions.SetError(Exceptions.IndexError,
"array index out of range"
);
return -1;
}
return 0;
}
if (!Runtime.PyTuple_Check(idx)) {
Exceptions.RaiseTypeError("invalid index value");
return -1;
}
int count = Runtime.PyTuple_Size(idx);
Array args = Array.CreateInstance(typeof(Int32), count);
for (int i = 0; i < count; i++) {
IntPtr op = Runtime.PyTuple_GetItem(idx, i);
index = (int)Runtime.PyInt_AsLong(op);
if (Exceptions.ErrorOccurred()) {
Exceptions.RaiseTypeError("invalid index value");
return -1;
}
if (index < 0) {
index = items.GetLength(i) + index;
}
args.SetValue(index, i);
}
try {
items.SetValue(value, (int[])args);
}
catch (IndexOutOfRangeException) {
Exceptions.SetError(Exceptions.IndexError,
"array index out of range"
);
return -1;
}
return 0;
}