Give PyUNO structs/exceptions their own separate type

Change-Id: Ie4c42c623fae1cf39c2e4c643825c9655cd28daa
Reviewed-on: https://gerrit.libreoffice.org/17410
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Matthew Francis <mjay.francis@gmail.com>

6 files changed, 438 insertions, 114 deletions

diff --git a/pyuno/Library_pyuno.mk b/pyuno/Library_pyuno.mk
index 3bf08ccf3715..49c5b9104e16 100644
--- a/pyuno/Library_pyuno.mk
+++ b/pyuno/Library_pyuno.mk
@@ -38,6 +38,7 @@ $(eval $(call gb_Library_use_externals,pyuno,\
 $(eval $(call gb_Library_add_exception_objects,pyuno,\
     pyuno/source/module/pyuno_runtime \
     pyuno/source/module/pyuno \
+    pyuno/source/module/pyuno_struct \
     pyuno/source/module/pyuno_callable \
     pyuno/source/module/pyuno_module \
     pyuno/source/module/pyuno_type \
diff --git a/pyuno/source/module/pyuno.cxx b/pyuno/source/module/pyuno.cxx
index ccab344b5b44..9e9274abc8cb 100644
--- a/pyuno/source/module/pyuno.cxx
+++ b/pyuno/source/module/pyuno.cxx
@@ -376,26 +376,7 @@ bool lcl_hasInterfaceByName( Any const &object, OUString const & interfaceName )
 
 PyObject *PyUNO_repr( PyObject  * self )
 {
-    PyUNO *me = reinterpret_cast<PyUNO *>(self);
-    PyObject * ret = 0;
-
-    if( me->members->wrappedObject.getValueType().getTypeClass()
-        == com::sun::star::uno::TypeClass_EXCEPTION )
-    {
-        Reference< XMaterialHolder > rHolder(me->members->xInvocation,UNO_QUERY);
-        if( rHolder.is() )
-        {
-            Any a = rHolder->getMaterial();
-            Exception e;
-            a >>= e;
-            ret = ustring2PyUnicode(e.Message ).getAcquired();
-        }
-    }
-    else
-    {
-        ret = PyUNO_str( self );
-    }
-    return ret;
+    return PyUNO_str( self );
 }
 
 Py_hash_t PyUNO_hash( PyObject *self )
@@ -405,20 +386,8 @@ Py_hash_t PyUNO_hash( PyObject *self )
 
     // Py_hash_t is not necessarily the same size as a pointer, but this is not
     // important for hashing - it just has to return the same value each time
-    if( me->members->wrappedObject.getValueType().getTypeClass()
-        == com::sun::star::uno::TypeClass_STRUCT ||
-        me->members->wrappedObject.getValueType().getTypeClass()
-        == com::sun::star::uno::TypeClass_EXCEPTION )
-    {
-        Reference< XMaterialHolder > xMe( me->members->xInvocation, UNO_QUERY );
-        return sal::static_int_cast< Py_hash_t >( reinterpret_cast< sal_IntPtr > (
-            *static_cast<void * const *>(xMe->getMaterial().getValue()) ) );
-    }
-    else
-    {
-        return sal::static_int_cast< Py_hash_t >( reinterpret_cast< sal_IntPtr > (
-            *static_cast<void * const *>(me->members->wrappedObject.getValue()) ) );
-    }
+    return sal::static_int_cast< Py_hash_t >( reinterpret_cast< sal_IntPtr > (
+        *static_cast<void * const *>(me->members->wrappedObject.getValue()) ) );
 
 }
 
@@ -501,24 +470,7 @@ PyObject *PyUNO_str( PyObject * self )
 
     OStringBuffer buf;
 
-
-    if( me->members->wrappedObject.getValueType().getTypeClass()
-        == com::sun::star::uno::TypeClass_STRUCT ||
-        me->members->wrappedObject.getValueType().getTypeClass()
-        == com::sun::star::uno::TypeClass_EXCEPTION)
-    {
-        Reference< XMaterialHolder > rHolder(me->members->xInvocation,UNO_QUERY);
-        if( rHolder.is() )
-        {
-            PyThreadDetach antiguard;
-            Any a = rHolder->getMaterial();
-            OUString s = val2str( a.getValue(), a.getValueType().getTypeLibType() );
-            buf.append( OUStringToOString(s,RTL_TEXTENCODING_ASCII_US) );
-        }
-    }
-    else
     {
-        // a common UNO object
         PyThreadDetach antiguard;
         buf.append( "pyuno object " );
 
@@ -527,7 +479,7 @@ PyObject *PyUNO_str( PyObject * self )
         buf.append( OUStringToOString(s,RTL_TEXTENCODING_ASCII_US) );
     }
 
-    return PyStr_FromString( buf.getStr());
+    return PyStr_FromString( buf.getStr() );
 }
 
 PyObject* PyUNO_dir (PyObject* self)
@@ -1447,18 +1399,15 @@ PyObject* PyUNO_getattr (PyObject* self, char* name)
         }
         if (strcmp (name, "__class__") == 0)
         {
-            if( me->members->wrappedObject.getValueTypeClass() ==
-                com::sun::star::uno::TypeClass_STRUCT ||
-                me->members->wrappedObject.getValueTypeClass() ==
-                com::sun::star::uno::TypeClass_EXCEPTION )
-            {
-                return getClass(
-                    me->members->wrappedObject.getValueType().getTypeName(), runtime ).getAcquired();
-            }
             Py_INCREF (Py_None);
             return Py_None;
         }
 
+        PyObject *pRet = PyObject_GenericGetAttr( self, PyUnicode_FromString( name ) );
+        if( pRet )
+            return pRet;
+        PyErr_Clear();
+
         OUString attrName( OUString::createFromAscii( name ) );
         //We need to find out if it's a method...
         if (me->members->xInvocation->hasMethod (attrName))
@@ -1557,7 +1506,6 @@ int PyUNO_setattr (PyObject* self, char* name, PyObject* value)
     return 1; //as above.
 }
 
-// ensure object identity and struct equality
 static PyObject* PyUNO_cmp( PyObject *self, PyObject *that, int op )
 {
     PyObject *result;
@@ -1586,26 +1534,11 @@ static PyObject* PyUNO_cmp( PyObject *self, PyObject *that, int op )
 
             if( tcMe == tcOther )
             {
-                if( tcMe == com::sun::star::uno::TypeClass_STRUCT ||
-                    tcMe == com::sun::star::uno::TypeClass_EXCEPTION )
+                if( me->members->wrappedObject == other->members->wrappedObject )
                 {
-                    Reference< XMaterialHolder > xMe( me->members->xInvocation,UNO_QUERY);
-                    Reference< XMaterialHolder > xOther( other->members->xInvocation,UNO_QUERY );
-                    if( xMe->getMaterial() == xOther->getMaterial() )
-                    {
-                        result = (op == Py_EQ ? Py_True : Py_False);
-                        Py_INCREF(result);
-                        return result;
-                    }
-                }
-                else if( tcMe == com::sun::star::uno::TypeClass_INTERFACE )
-                {
-                    if( me->members->wrappedObject == other->members->wrappedObject )
-                    {
-                        result = (op == Py_EQ ? Py_True : Py_False);
-                        Py_INCREF(result);
-                        return result;
-                    }
+                    result = (op == Py_EQ ? Py_True : Py_False);
+                    Py_INCREF(result);
+                    return result;
                 }
             }
         }
@@ -1768,8 +1701,7 @@ PyRef getPyUnoClass()
 
 PyRef PyUNO_new (
     const Any &targetInterface,
-    const Reference<XSingleServiceFactory> &ssf,
-    const bool bCheckExisting )
+    const Reference<XSingleServiceFactory> &ssf )
 {
     Reference<XInvocation2> xInvocation;
 
@@ -1780,16 +1712,13 @@ PyRef PyUNO_new (
         if( !xInvocation.is() )
             throw RuntimeException("XInvocation2 not implemented, cannot interact with object");
 
-        if (bCheckExisting)
+        Reference<XUnoTunnel> xUnoTunnel (
+            xInvocation->getIntrospection()->queryAdapter(cppu::UnoType<XUnoTunnel>::get()), UNO_QUERY );
+        if( xUnoTunnel.is() )
         {
-            Reference<XUnoTunnel> xUnoTunnel (
-                xInvocation->getIntrospection()->queryAdapter(cppu::UnoType<XUnoTunnel>::get()), UNO_QUERY );
-            if( xUnoTunnel.is() )
-            {
-                sal_Int64 that = xUnoTunnel->getSomething( ::pyuno::Adapter::getUnoTunnelImplementationId() );
-                if( that )
-                    return PyRef( reinterpret_cast<Adapter*>(that)->getWrappedObject() );
-            }
+            sal_Int64 that = xUnoTunnel->getSomething( ::pyuno::Adapter::getUnoTunnelImplementationId() );
+            if( that )
+                return PyRef( reinterpret_cast<Adapter*>(that)->getWrappedObject() );
         }
     }
     if( !Py_IsInitialized() )
diff --git a/pyuno/source/module/pyuno_impl.hxx b/pyuno/source/module/pyuno_impl.hxx
index 669386f090e0..727e4884e08d 100644
--- a/pyuno/source/module/pyuno_impl.hxx
+++ b/pyuno/source/module/pyuno_impl.hxx
@@ -204,11 +204,15 @@ typedef std::unordered_map
 typedef std::unordered_set< PyRef , PyRef::Hash , std::equal_to<PyRef> > ClassSet;
 
 int PyUNO_initType();
+int PyUNOStruct_initType();
 
 PyRef PyUNO_new (
     const com::sun::star::uno::Any & targetInterface,
-    const com::sun::star::uno::Reference<com::sun::star::lang::XSingleServiceFactory> & ssf,
-    const bool bCheckExisting );
+    const com::sun::star::uno::Reference<com::sun::star::lang::XSingleServiceFactory> & ssf );
+
+PyRef PyUNOStruct_new (
+    const com::sun::star::uno::Any &targetInterface,
+    const  com::sun::star::uno::Reference<com::sun::star::lang::XSingleServiceFactory> &ssf );
 
 typedef struct
 {
@@ -283,6 +287,7 @@ PyRef getBoolClass( const Runtime &);
 PyRef getCharClass( const Runtime &);
 PyRef getByteSequenceClass( const Runtime & );
 PyRef getPyUnoClass();
+PyRef getPyUnoStructClass();
 PyRef getClass( const OUString & name , const Runtime & runtime );
 PyRef getAnyClass( const Runtime &);
 PyObject *PyUNO_invoke( PyObject *object, const char *name , PyObject *args );
diff --git a/pyuno/source/module/pyuno_module.cxx b/pyuno/source/module/pyuno_module.cxx
index 7d282c2f27c7..01d5a62bacd2 100644
--- a/pyuno/source/module/pyuno_module.cxx
+++ b/pyuno/source/module/pyuno_module.cxx
@@ -406,7 +406,7 @@ static PyObject *createUnoStructHelper(
                     if (idl_class.is ())
                     {
                         idl_class->createObject (IdlStruct);
-                        PyRef returnCandidate( PyUNO_new( IdlStruct, c->xInvocation, false ) );
+                        PyRef returnCandidate( PyUNOStruct_new( IdlStruct, c->xInvocation ) );
                         PyUNO *me = reinterpret_cast<PyUNO*>( returnCandidate.get() );
                         TypeDescription desc( typeName );
                         OSL_ASSERT( desc.is() ); // could already instantiate an XInvocation2 !
@@ -862,6 +862,7 @@ extern "C"
 PyObject* PyInit_pyuno()
 {
     PyUNO_initType();
+    PyUNOStruct_initType();
     // noop when called already, otherwise needed to allow multiple threads
     PyEval_InitThreads();
     static struct PyModuleDef moduledef =
@@ -882,6 +883,7 @@ PyObject* PyInit_pyuno()
 void initpyuno()
 {
     PyUNO_initType();
+    PyUNOStruct_initType();
     PyEval_InitThreads();
     Py_InitModule ("pyuno", PyUNOModule_methods);
 }
diff --git a/pyuno/source/module/pyuno_runtime.cxx b/pyuno/source/module/pyuno_runtime.cxx
index f14b84b4baa7..0219742dcef0 100644
--- a/pyuno/source/module/pyuno_runtime.cxx
+++ b/pyuno/source/module/pyuno_runtime.cxx
@@ -481,7 +481,7 @@ PyRef Runtime::any2PyObject (const Any &a ) const
     case typelib_TypeClass_STRUCT:
     {
         PyRef excClass = getClass( a.getValueType().getTypeName(), *this );
-        PyRef value = PyUNO_new( a, getImpl()->cargo->xInvocation, false );
+        PyRef value = PyUNOStruct_new( a, getImpl()->cargo->xInvocation );
         PyRef argsTuple( PyTuple_New( 1 ) , SAL_NO_ACQUIRE, NOT_NULL );
         PyTuple_SetItem( argsTuple.get() , 0 , value.getAcquired() );
         PyRef ret( PyObject_CallObject( excClass.get() , argsTuple.get() ), SAL_NO_ACQUIRE );
@@ -556,7 +556,7 @@ PyRef Runtime::any2PyObject (const Any &a ) const
         if (!tmp_interface.is ())
             return Py_None;
 
-        return PyUNO_new (a, getImpl()->cargo->xInvocation, true);
+        return PyUNO_new( a, getImpl()->cargo->xInvocation );
     }
     default:
     {
@@ -802,27 +802,21 @@ Any Runtime::pyObject2Any ( const PyRef & source, enum ConversionMode mode ) con
         }
         else if( PyObject_IsInstance( o, getPyUnoClass().get() ) )
         {
-            PyUNO* o_pi;
-            o_pi = reinterpret_cast<PyUNO*>(o);
-            if (o_pi->members->wrappedObject.getValueTypeClass () ==
-                com::sun::star::uno::TypeClass_STRUCT ||
-                o_pi->members->wrappedObject.getValueTypeClass () ==
-                com::sun::star::uno::TypeClass_EXCEPTION)
-            {
-                Reference<XMaterialHolder> my_mh (o_pi->members->xInvocation, UNO_QUERY);
+            PyUNO* o_pi = reinterpret_cast<PyUNO*>(o);
+            a = o_pi->members->wrappedObject;
+        }
+        else if( PyObject_IsInstance( o, getPyUnoStructClass().get() ) )
+        {
+            PyUNO* o_pi = reinterpret_cast<PyUNO*>(o);
+            Reference<XMaterialHolder> my_mh (o_pi->members->xInvocation, UNO_QUERY);
 
-                if (!my_mh.is ())
-                {
-                    throw RuntimeException(
-                        "struct wrapper does not support XMaterialHolder" );
-                }
-                else
-                    a = my_mh->getMaterial ();
-            }
-            else
+            if (!my_mh.is())
             {
-                a = o_pi->members->wrappedObject;
+                throw RuntimeException(
+                    "struct wrapper does not support XMaterialHolder" );
             }
+            else
+                a = my_mh->getMaterial();
         }
         else if( PyObject_IsInstance( o, getCharClass( runtime ).get() ) )
         {
diff --git a/pyuno/source/module/pyuno_struct.cxx b/pyuno/source/module/pyuno_struct.cxx
new file mode 100644
index 000000000000..b3413861cb55
--- /dev/null
+++ b/pyuno/source/module/pyuno_struct.cxx
@@ -0,0 +1,393 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <algorithm>
+#include <cassert>
+
+#include "pyuno_impl.hxx"
+
+#include <rtl/strbuf.hxx>
+
+#include <osl/diagnose.h>
+
+#include <typelib/typedescription.hxx>
+
+#include <com/sun/star/beans/XMaterialHolder.hpp>
+
+using com::sun::star::uno::Sequence;
+using com::sun::star::uno::Reference;
+using com::sun::star::uno::XInterface;
+using com::sun::star::uno::Any;
+using com::sun::star::uno::makeAny;
+using com::sun::star::uno::UNO_QUERY;
+using com::sun::star::uno::Type;
+using com::sun::star::uno::TypeClass;
+using com::sun::star::uno::RuntimeException;
+using com::sun::star::uno::Exception;
+using com::sun::star::lang::XSingleServiceFactory;
+using com::sun::star::lang::XUnoTunnel;
+using com::sun::star::script::XInvocation2;
+using com::sun::star::beans::XMaterialHolder;
+
+namespace pyuno
+{
+
+void PyUNOStruct_del( PyObject* self )
+{
+    PyUNO *me = reinterpret_cast<PyUNO*>( self );
+    {
+        PyThreadDetach antiguard;
+        delete me->members;
+    }
+    PyObject_Del( self );
+}
+
+PyObject *PyUNOStruct_str( PyObject *self )
+{
+    PyUNO *me = reinterpret_cast<PyUNO*>( self );
+    OStringBuffer buf;
+
+    Reference<XMaterialHolder> rHolder( me->members->xInvocation,UNO_QUERY );
+    if( rHolder.is() )
+    {
+        PyThreadDetach antiguard;
+        Any a = rHolder->getMaterial();
+        OUString s = val2str( a.getValue(), a.getValueType().getTypeLibType() );
+        buf.append( OUStringToOString( s, RTL_TEXTENCODING_ASCII_US ) );
+    }
+
+    return PyStr_FromString( buf.getStr());
+}
+
+PyObject *PyUNOStruct_repr( PyObject *self )
+{
+    PyUNO *me = reinterpret_cast<PyUNO*>( self );
+    PyObject *ret = 0;
+
+    if( me->members->wrappedObject.getValueType().getTypeClass()
+        == com::sun::star::uno::TypeClass_EXCEPTION )
+    {
+        Reference< XMaterialHolder > rHolder(me->members->xInvocation,UNO_QUERY);
+        if( rHolder.is() )
+        {
+            Any a = rHolder->getMaterial();
+            Exception e;
+            a >>= e;
+            ret = ustring2PyUnicode(e.Message ).getAcquired();
+        }
+    }
+    else
+    {
+        ret = PyUNOStruct_str( self );
+    }
+
+    return ret;
+}
+
+PyObject* PyUNOStruct_dir( PyObject *self )
+{
+    PyUNO *me = reinterpret_cast<PyUNO*>( self );
+
+    PyObject* member_list = NULL;
+
+    try
+    {
+        member_list = PyList_New( 0 );
+        for( auto aMember : me->members->xInvocation->getMemberNames() )
+        {
+            // setitem steals a reference
+            PyList_Append( member_list, ustring2PyString( aMember ).getAcquired() );
+        }
+    }
+    catch( const RuntimeException &e )
+    {
+        raisePyExceptionWithAny( makeAny(e) );
+    }
+
+    return member_list;
+}
+
+PyObject* PyUNOStruct_getattr( PyObject* self, char* name )
+{
+    PyUNO *me = reinterpret_cast<PyUNO*>( self );
+
+    try
+    {
+        Runtime runtime;
+
+        me = reinterpret_cast<PyUNO*>(self);
+        if (strcmp (name, "__dict__") == 0)
+        {
+            Py_INCREF (Py_TYPE(me)->tp_dict);
+            return Py_TYPE(me)->tp_dict;
+        }
+        if( strcmp( name, "__class__" ) == 0 )
+        {
+            return getClass(
+                me->members->wrappedObject.getValueType().getTypeName(), runtime ).getAcquired();
+        }
+
+        PyObject *pRet = PyObject_GenericGetAttr( self, PyUnicode_FromString( name ) );
+        if( pRet )
+            return pRet;
+        PyErr_Clear();
+
+        OUString attrName( OUString::createFromAscii( name ) );
+        if( me->members->xInvocation->hasProperty( attrName ) )
+        {
+            //Return the value of the property
+            Any anyRet;
+            {
+                PyThreadDetach antiguard;
+                anyRet = me->members->xInvocation->getValue( attrName );
+            }
+            PyRef ret = runtime.any2PyObject( anyRet );
+            Py_XINCREF( ret.get() );
+            return ret.get();
+        }
+
+        //or else...
+        PyErr_SetString (PyExc_AttributeError, name);
+    }
+    catch( const com::sun::star::reflection::InvocationTargetException & e )
+    {
+        raisePyExceptionWithAny( e.TargetException );
+    }
+    catch( const com::sun::star::beans::UnknownPropertyException & e )
+    {
+        raisePyExceptionWithAny( makeAny(e) );
+    }
+    catch( const com::sun::star::lang::IllegalArgumentException &e )
+    {
+        raisePyExceptionWithAny( makeAny(e) );
+    }
+    catch( const com::sun::star::script::CannotConvertException &e )
+    {
+        raisePyExceptionWithAny( makeAny(e) );
+    }
+    catch( const RuntimeException &e )
+    {
+        raisePyExceptionWithAny( makeAny(e) );
+    }
+
+    return NULL;
+}
+
+int PyUNOStruct_setattr (PyObject* self, char* name, PyObject* value)
+{
+    PyUNO* me;
+
+    me = reinterpret_cast<PyUNO*>(self);
+    try
+    {
+        Runtime runtime;
+        Any val= runtime.pyObject2Any(value, ACCEPT_UNO_ANY);
+
+        OUString attrName( OUString::createFromAscii( name ) );
+        {
+            PyThreadDetach antiguard;
+            if (me->members->xInvocation->hasProperty (attrName))
+            {
+                me->members->xInvocation->setValue (attrName, val);
+                return 0; //Keep with Python's boolean system
+            }
+        }
+    }
+    catch( const com::sun::star::reflection::InvocationTargetException & e )
+    {
+        raisePyExceptionWithAny( e.TargetException );
+        return 1;
+    }
+    catch( const com::sun::star::beans::UnknownPropertyException & e )
+    {
+        raisePyExceptionWithAny( makeAny(e) );
+        return 1;
+    }
+    catch( const com::sun::star::script::CannotConvertException &e )
+    {
+        raisePyExceptionWithAny( makeAny(e) );
+        return 1;
+    }
+    catch( const RuntimeException & e )
+    {
+        raisePyExceptionWithAny( makeAny( e ) );
+        return 1;
+    }
+    PyErr_SetString (PyExc_AttributeError, name);
+    return 1; //as above.
+}
+
+
+static PyObject* PyUNOStruct_cmp( PyObject *self, PyObject *that, int op )
+{
+    PyObject *result;
+
+    if(op != Py_EQ && op != Py_NE)
+    {
+        PyErr_SetString( PyExc_TypeError, "only '==' and '!=' comparisons are defined" );
+        return 0;
+    }
+    if( self == that )
+    {
+        result = (op == Py_EQ ? Py_True : Py_False);
+        Py_INCREF( result );
+        return result;
+    }
+    try
+    {
+        Runtime runtime;
+        if( PyObject_IsInstance( that, getPyUnoStructClass().get() ) )
+        {
+
+            PyUNO *me = reinterpret_cast< PyUNO * > ( self );
+            PyUNO *other = reinterpret_cast< PyUNO * > ( that );
+            com::sun::star::uno::TypeClass tcMe = me->members->wrappedObject.getValueTypeClass();
+            com::sun::star::uno::TypeClass tcOther = other->members->wrappedObject.getValueTypeClass();
+
+            if( tcMe == tcOther )
+            {
+                if( tcMe == com::sun::star::uno::TypeClass_STRUCT ||
+                    tcMe == com::sun::star::uno::TypeClass_EXCEPTION )
+                {
+                    Reference< XMaterialHolder > xMe( me->members->xInvocation,UNO_QUERY );
+                    Reference< XMaterialHolder > xOther( other->members->xInvocation,UNO_QUERY );
+                    if( xMe->getMaterial() == xOther->getMaterial() )
+                    {
+                        result = (op == Py_EQ ? Py_True : Py_False);
+                        Py_INCREF( result );
+                        return result;
+                    }
+                }
+            }
+        }
+    }
+    catch( const com::sun::star::uno::RuntimeException & e)
+    {
+        raisePyExceptionWithAny( makeAny( e ) );
+    }
+
+    result = (op == Py_EQ ? Py_False : Py_True);
+    Py_INCREF(result);
+    return result;
+}
+
+static PyMethodDef PyUNOStructMethods[] =
+{
+    {"__dir__",    reinterpret_cast<PyCFunction>(PyUNOStruct_dir),    METH_NOARGS,  NULL},
+    {NULL,         NULL,                                              0,            NULL}
+};
+
+static PyTypeObject PyUNOStructType =
+{
+    PyVarObject_HEAD_INIT( &PyType_Type, 0 )
+    "pyuno.struct",
+    sizeof (PyUNO),
+    0,
+    PyUNOStruct_del,
+    nullptr,
+    PyUNOStruct_getattr,
+    PyUNOStruct_setattr,
+    /* this type does not exist in Python 3: (cmpfunc) */ 0,
+    PyUNOStruct_repr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    PyUNOStruct_str,
+    nullptr,
+    nullptr,
+    nullptr,
+    Py_TPFLAGS_HAVE_RICHCOMPARE,
+    nullptr,
+    nullptr,
+    nullptr,
+    PyUNOStruct_cmp,
+    0,
+    nullptr,
+    nullptr,
+    PyUNOStructMethods,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    0,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr
+#if PY_VERSION_HEX >= 0x02060000
+    , 0
+#endif
+#if PY_VERSION_HEX >= 0x03040000
+    , 0
+#endif
+};
+
+int PyUNOStruct_initType()
+{
+    return PyType_Ready( &PyUNOStructType );
+}
+
+PyRef getPyUnoStructClass()
+{
+    return PyRef( reinterpret_cast< PyObject * > ( &PyUNOStructType ) );
+}
+
+PyRef PyUNOStruct_new (
+    const Any &targetInterface,
+    const Reference<XSingleServiceFactory> &ssf )
+{
+    Reference<XInvocation2> xInvocation;
+
+    {
+        PyThreadDetach antiguard;
+        xInvocation.set(
+            ssf->createInstanceWithArguments( Sequence<Any>( &targetInterface, 1 ) ), UNO_QUERY );
+        OSL_ASSERT( xInvocation.is() );
+        if( !xInvocation.is() )
+            throw RuntimeException("XInvocation2 not implemented, cannot interact with object");
+    }
+    if( !Py_IsInitialized() )
+        throw RuntimeException();
+
+    PyUNO* self = PyObject_New (PyUNO, &PyUNOStructType);
+    if (self == NULL)
+        return PyRef(); // == error
+    self->members = new PyUNOInternals();
+    self->members->xInvocation = xInvocation;
+    self->members->wrappedObject = targetInterface;
+    return PyRef( reinterpret_cast<PyObject*>(self), SAL_NO_ACQUIRE );
+
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */