try to use python.net as the bridge.

Pythonnet.Runtime/pyint.cs

@@ -0,0 +1,257 @@
+// ==========================================================================
+// 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;
+using System.Runtime.InteropServices;
+
+namespace Python.Runtime {
+
+    /// <summary>
+    /// Represents a Python integer object. See the documentation at
+    /// http://www.python.org/doc/current/api/intObjects.html for details.
+    /// </summary>
+
+    public class PyInt : PyNumber {
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new PyInt 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 PyInt(IntPtr ptr) : base(ptr) {}
+
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Copy constructor - obtain a PyInt from a generic PyObject. An 
+        /// ArgumentException will be thrown if the given object is not a
+        /// Python int object.
+        /// </remarks>
+
+        public PyInt(PyObject o) : base() {
+            if (!IsIntType(o)) {
+                throw new ArgumentException("object is not an int");
+            }
+            Runtime.Incref(o.obj);
+            obj = o.obj;
+        }
+
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new Python int from an int32 value.
+        /// </remarks>
+
+        public PyInt(int value) : base() {
+            obj = Runtime.PyInt_FromInt32(value);
+            if (obj == IntPtr.Zero) {
+                throw new PythonException();
+            }
+        }
+
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new Python int from a uint32 value.
+        /// </remarks>
+
+        [CLSCompliant(false)]
+        public PyInt(uint value) : base(IntPtr.Zero) {
+            obj = Runtime.PyInt_FromInt64((long)value);
+            if (obj == IntPtr.Zero) {
+                throw new PythonException();
+            }
+        }
+
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new Python int from an int64 value.
+        /// </remarks>
+
+        public PyInt(long value) : base(IntPtr.Zero) {
+            obj = Runtime.PyInt_FromInt64(value);
+            if (obj == IntPtr.Zero) {
+                throw new PythonException();
+            }
+        }
+
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new Python int from a uint64 value.
+        /// </remarks>
+
+        [CLSCompliant(false)]
+        public PyInt(ulong value) : base(IntPtr.Zero) {
+            obj = Runtime.PyInt_FromInt64((long)value);
+            if (obj == IntPtr.Zero) {
+                throw new PythonException();
+            }
+        }
+
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new Python int from an int16 value.
+        /// </remarks>
+
+        public PyInt(short value) : this((int)value) {}
+
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new Python int from a uint16 value.
+        /// </remarks>
+
+        [CLSCompliant(false)]
+        public PyInt(ushort value) : this((int)value) {}
+
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new Python int from a byte value.
+        /// </remarks>
+
+        public PyInt(byte value) : this((int)value) {}
+
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new Python int from an sbyte value.
+        /// </remarks>
+
+        [CLSCompliant(false)]
+        public PyInt(sbyte value) : this((int)value) {}
+
+
+        /// <summary>
+        /// PyInt Constructor
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Creates a new Python int from a string value.
+        /// </remarks>
+
+        public PyInt(string value) : base() {
+            obj = Runtime.PyInt_FromString(value, IntPtr.Zero, 0);
+            if (obj == IntPtr.Zero) {
+                throw new PythonException();
+            }
+        }
+
+
+        /// <summary>
+        /// IsIntType Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Returns true if the given object is a Python int.
+        /// </remarks>
+
+        public static bool IsIntType(PyObject value) {
+            return Runtime.PyInt_Check(value.obj);
+        }
+
+
+        /// <summary>
+        /// AsInt Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// <remarks>
+        /// Convert a Python object to a Python int if possible, raising  
+        /// a PythonException if the conversion is not possible. This is
+        /// equivalent to the Python expression "int(object)".
+        /// </remarks>
+
+        public static PyInt AsInt(PyObject value) {
+            IntPtr op = Runtime.PyNumber_Int(value.obj);
+            if (op == IntPtr.Zero) {
+                throw new PythonException();
+            }
+            return new PyInt(op);
+        }
+
+
+        /// <summary>
+        /// ToInt16 Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Return the value of the Python int object as an int16.
+        /// </remarks>
+
+        public short ToInt16() {
+            return System.Convert.ToInt16(this.ToInt32());
+        }
+
+
+        /// <summary>
+        /// ToInt32 Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Return the value of the Python int object as an int32.
+        /// </remarks>
+
+        public int ToInt32() {
+            return Runtime.PyInt_AsLong(obj);
+        }
+
+
+        /// <summary>
+        /// ToInt64 Method
+        /// </summary>
+        ///
+        /// <remarks>
+        /// Return the value of the Python int object as an int64.
+        /// </remarks>
+
+        public long ToInt64() {
+            return System.Convert.ToInt64(this.ToInt32());
+        }
+
+
+
+    }
+
+}