try to use python.net as the bridge.

Pythonnet.Runtime/pylist.cs

@@ -0,0 +1,189 @@
+// ==========================================================================
+// This software is subject to the provisions of the Zope Public License,
+// Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
+// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+// WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+// FOR A PARTICULAR PURPOSE.
+// ==========================================================================
+
+using System;
+
+namespace Python.Runtime {
+
+    /// <summary>
+    /// Represents a standard Python list object. See the documentation at
+    /// http://www.python.org/doc/current/api/listObjects.html for details.
+    /// </summary>
+
+    public class PyList : PySequence {
+
+        /// <summary>
+        /// PyList Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new PyList from an existing object reference. Note 
+        /// that the instance assumes ownership of the object reference. 
+        /// The object reference is not checked for type-correctness. 
+        /// </remarks>
+
+        public PyList(IntPtr ptr) : base(ptr) {}
+
+
+        /// <summary>
+        /// PyList Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Copy constructor - obtain a PyList from a generic PyObject. An 
+        /// ArgumentException will be thrown if the given object is not a
+        /// Python list object.
+        /// </remarks>
+
+        public PyList(PyObject o) : base() {
+            if (!IsListType(o)) {
+                throw new ArgumentException("object is not a list");
+            }
+            Runtime.Incref(o.obj);
+            obj = o.obj;
+        }
+
+
+        /// <summary>
+        /// PyList Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new empty Python list object.
+        /// </remarks>
+
+        public PyList() : base() {
+            obj = Runtime.PyList_New(0);
+            if (obj == IntPtr.Zero) {
+                throw new PythonException();
+            }
+        }
+
+
+        /// <summary>
+        /// PyList Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new Python list object from an array of PyObjects.
+        /// </remarks>
+
+        public PyList(PyObject[] items) : base() {
+            int count = items.Length;
+            obj = Runtime.PyList_New(count);
+            for (int i = 0; i < count; i++) {
+                IntPtr ptr = items[i].obj;
+                Runtime.Incref(ptr);
+                int r = Runtime.PyList_SetItem(obj, i, ptr);
+                if (r < 0) {
+                    throw new PythonException();
+                }
+            }
+        }
+
+
+        /// <summary>
+        /// IsListType Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Returns true if the given object is a Python list.
+        /// </remarks>
+
+        public static bool IsListType(PyObject value) {
+            return Runtime.PyList_Check(value.obj);
+        }
+
+
+        /// <summary>
+        /// AsList Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Converts a Python object to a Python list if possible, raising  
+        /// a PythonException if the conversion is not possible. This is
+        /// equivalent to the Python expression "list(object)".
+        /// </remarks>
+
+        public static PyList AsList(PyObject value) {
+            IntPtr op = Runtime.PySequence_List(value.obj);
+            if (op == IntPtr.Zero) {
+                throw new PythonException();
+            }
+            return new PyList(op);
+        }
+
+
+        /// <summary>
+        /// Append Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Append an item to the list object.
+        /// </remarks>
+
+        public void Append(PyObject item) {
+            int r = Runtime.PyList_Append(obj, item.obj);
+            if (r < 0) {
+                throw new PythonException();
+            }
+        }
+
+        /// <summary>
+        /// Insert Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Insert an item in the list object at the given index.
+        /// </remarks>
+
+        public void Insert(int index, PyObject item) {
+            int r = Runtime.PyList_Insert(obj, index, item.obj);
+            if (r < 0) {
+                throw new PythonException();
+            }
+        }
+
+
+        /// <summary>
+        /// Reverse Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Reverse the order of the list object in place.
+        /// </remarks>
+
+        public void Reverse() {
+            int r = Runtime.PyList_Reverse(obj);
+            if (r < 0) {
+                throw new PythonException();
+            }
+        }
+
+
+        /// <summary>
+        /// Sort Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Sort the list in place.
+        /// </remarks>
+
+        public void Sort() {
+            int r = Runtime.PyList_Sort(obj);
+            if (r < 0) {
+                throw new PythonException();
+            }
+        }
+
+
+    }
+
+
+}