Port PyUno to support Python 3

12 files changed, 469 insertions, 381 deletions

diff --git a/pyuno/source/loader/makefile.mk b/pyuno/source/loader/makefile.mk
index 65ec8116f9c5..76c3dc2ffecd 100644
--- a/pyuno/source/loader/makefile.mk
+++ b/pyuno/source/loader/makefile.mk
@@ -32,46 +32,46 @@ ENABLE_EXCEPTIONS=TRUE
 
 # --- Settings -----------------------------------------------------
 
-.INCLUDE :  settings.mk
+.INCLUDE : settings.mk
 .IF "$(L10N_framework)"==""
-DLLPRE = 
+DLLPRE =
 
 #-------------------------------------------------------------------
 
 .IF "$(OS)$(COMEX)" == "SOLARIS4"
 # no -Bdirect for SunWS CC
-DIRECT = $(LINKFLAGSDEFS)
+DIRECT= $(LINKFLAGSDEFS)
 .ENDIF
 
 .IF "$(SYSTEM_PYTHON)" == "YES"
 PYTHONLIB=$(PYTHON_LIBS)
 CFLAGS+=$(PYTHON_CFLAGS)
 .IF "$(EXTRA_CFLAGS)"!=""
-PYTHONLIB+=-framework Python
+PYTHONLIB+= -framework Python
 .ENDIF # "$(EXTRA_CFLAGS)"!=""
 .ELSE
-.INCLUDE :  pyversion.mk
+.INCLUDE : pyversion.mk
 
-CFLAGS+=-I$(SOLARINCDIR)$/python
+CFLAGS+= -I$(SOLARINCDIR)$/python
 .ENDIF
 
-SHL1TARGET=	$(TARGET)
+SHL1TARGET= $(TARGET)
 
 SHL1STDLIBS= \
-        $(CPPULIB)		\
-        $(CPPUHELPERLIB)	\
-        $(SALLIB)		\
-        $(PYUNOLIB)		\
+        $(CPPULIB) \
+        $(CPPUHELPERLIB) \
+        $(SALLIB) \
+        $(PYUNOLIB) \
         $(PYTHONLIB)
 
-SHL1VERSIONMAP=$(SOLARENV)$/src$/component.map
+SHL1VERSIONMAP= $(SOLARENV)$/src$/component.map
 SHL1DEPN=
-SHL1IMPLIB=	i$(TARGET)
-SHL1LIBS=	$(SLB)$/$(TARGET).lib
-SHL1DEF=	$(MISC)$/$(SHL1TARGET).def
+SHL1IMPLIB= i$(TARGET)
+SHL1LIBS= $(SLB)$/$(TARGET).lib
+SHL1DEF= $(MISC)$/$(SHL1TARGET).def
 
-DEF1NAME=	$(SHL1TARGET)
-SLOFILES=       $(SLO)$/pyuno_loader.obj
+DEF1NAME= $(SHL1TARGET)
+SLOFILES= $(SLO)$/pyuno_loader.obj
 
 # --- Targets ------------------------------------------------------
 
diff --git a/pyuno/source/loader/pythonloader.py b/pyuno/source/loader/pythonloader.py
index 15fe57481f5a..1f6716ee90c1 100644
--- a/pyuno/source/loader/pythonloader.py
+++ b/pyuno/source/loader/pythonloader.py
@@ -40,112 +40,110 @@ g_supportedServices  = "com.sun.star.loader.Python",      # referenced by the na
 g_implementationName = "org.openoffice.comp.pyuno.Loader" # referenced by the native C++ loader !
 
 def splitUrl( url ):
-      nColon = url.find( ":" )
-      if -1 == nColon:
-            raise RuntimeException( "PythonLoader: No protocol in url " + url, None )
-      return url[0:nColon], url[nColon+1:len(url)]
+    nColon = url.find( ":" )
+    if -1 == nColon:
+        raise RuntimeException( "PythonLoader: No protocol in url " + url, None )
+    return url[0:nColon], url[nColon+1:len(url)]
 
 g_loadedComponents = {}
 def checkForPythonPathBesideComponent( url ):
-      path = unohelper.fileUrlToSystemPath( url+"/pythonpath.zip" );
-      if DEBUG == 1:
-            print "checking for existence of " + encfile( path )
-      if 1 == os.access( encfile( path ), os.F_OK) and not path in sys.path:
-            if DEBUG == 1:
-                  print "adding " + encfile( path ) + " to sys.path"
-            sys.path.append( path )
-
-      path = unohelper.fileUrlToSystemPath( url+"/pythonpath" );
-      if 1 == os.access( encfile( path ), os.F_OK) and not path in sys.path:
-            if DEBUG == 1:
-                  print "adding " + encfile( path ) + " to sys.path"
-            sys.path.append( path )
+    path = unohelper.fileUrlToSystemPath( url+"/pythonpath.zip" );
+    if DEBUG == 1:
+        print("checking for existence of " + encfile( path ))
+    if 1 == os.access( encfile( path ), os.F_OK) and not path in sys.path:
+        if DEBUG == 1:
+            print("adding " + encfile( path ) + " to sys.path")
+        sys.path.append( path )
+
+    path = unohelper.fileUrlToSystemPath( url+"/pythonpath" );
+    if 1 == os.access( encfile( path ), os.F_OK) and not path in sys.path:
+        if DEBUG == 1:
+            print("adding " + encfile( path ) + " to sys.path")
+        sys.path.append( path )
 
 def encfile(uni):
     return uni.encode( sys.getfilesystemencoding())
 
 class Loader( XImplementationLoader, XServiceInfo, unohelper.Base ):
-      def __init__(self, ctx ):
-	  if DEBUG:
-	     print "pythonloader.Loader ctor" 
-	  self.ctx = ctx
-
-      def getModuleFromUrl( self, url ):
-          if DEBUG:
-                print "pythonloader: interpreting url " +url
-          protocol, dependent = splitUrl( url )
-          if "vnd.sun.star.expand" == protocol:
-                exp = self.ctx.getValueByName( "/singletons/com.sun.star.util.theMacroExpander" )
-                url = exp.expandMacros(dependent)
-                protocol,dependent = splitUrl( url )
-
-          if DEBUG:
-                print "pythonloader: after expansion " +protocol +":" + dependent
-                
-          try:
-                if "file" == protocol:
-                      # remove \..\ sequence, which may be useful e.g. in the build env
-                      url = unohelper.absolutize( url, url )
-
-                      # did we load the module already ?
-                      mod = g_loadedComponents.get( url )
-                      if not mod:
-                            mod = imp.new_module("uno_component")
-
-                            # check for pythonpath.zip beside .py files
-                            checkForPythonPathBesideComponent( url[0:url.rfind('/')] )
-                            
-                            # read the file
-                            filename = unohelper.fileUrlToSystemPath( url )
-                            fileHandle = file( filename )
-                            src = fileHandle.read().replace("\r","")
-                            if not src.endswith( "\n" ):
-                                  src = src + "\n"
-
-                            # compile and execute the module
-                            codeobject = compile( src, encfile(filename), "exec" )
-                            exec codeobject in mod.__dict__
-                            mod.__file__ = encfile(filename)
-                            g_loadedComponents[url] = mod
-                      return mod
-                elif "vnd.openoffice.pymodule" == protocol:
-                      return  __import__( dependent )
-                else:
-                      raise RuntimeException( "PythonLoader: Unknown protocol " +
-                                              protocol + " in url " +url, self )
-          except ImportError, e:
-                raise RuntimeException( "Couldn't load "+url+ " for reason "+str(e), None)
-          return None
-	   
-      def activate( self, implementationName, dummy, locationUrl, regKey ):
-	  if DEBUG:
-	     print "pythonloader.Loader.activate"
-
-	  mod = self.getModuleFromUrl( locationUrl )
-          implHelper = mod.__dict__.get( "g_ImplementationHelper" , None )
-          if implHelper == None:
-		return mod.getComponentFactory( implementationName, self.ctx.ServiceManager, regKey )
-          else:
-		return implHelper.getComponentFactory( implementationName,regKey,self.ctx.ServiceManager)
-	     
-      def writeRegistryInfo( self, regKey, dummy, locationUrl ):
-	  if DEBUG:
-	     print "pythonloader.Loader.writeRegistryInfo"
-             
-	  mod = self.getModuleFromUrl( locationUrl )
-          implHelper = mod.__dict__.get( "g_ImplementationHelper" , None )
-          if implHelper == None:
-	        return mod.writeRegistryInfo( self.ctx.ServiceManager, regKey )
-          else:
-	        return implHelper.writeRegistryInfo( regKey, self.ctx.ServiceManager )
-
-      def getImplementationName( self ):
-	  return g_implementationName
-
-      def supportsService( self, ServiceName ):
-	  return ServiceName in self.serviceNames
-
-      def getSupportedServiceNames( self ):
-	  return g_supportedServices
-
-
+    def __init__(self, ctx ):
+        if DEBUG:
+            print("pythonloader.Loader ctor")
+        self.ctx = ctx
+
+    def getModuleFromUrl( self, url ):
+        if DEBUG:
+            print("pythonloader: interpreting url " + url)
+        protocol, dependent = splitUrl( url )
+        if "vnd.sun.star.expand" == protocol:
+            exp = self.ctx.getValueByName( "/singletons/com.sun.star.util.theMacroExpander" )
+            url = exp.expandMacros(dependent)
+            protocol,dependent = splitUrl( url )
+
+        if DEBUG:
+            print("pythonloader: after expansion " + protocol + ":" + dependent)
+
+        try:
+            if "file" == protocol:
+                # remove \..\ sequence, which may be useful e.g. in the build env
+                url = unohelper.absolutize( url, url )
+
+                # did we load the module already ?
+                mod = g_loadedComponents.get( url )
+                if not mod:
+                    mod = imp.new_module("uno_component")
+
+                    # check for pythonpath.zip beside .py files
+                    checkForPythonPathBesideComponent( url[0:url.rfind('/')] )
+
+                    # read the file
+                    filename = unohelper.fileUrlToSystemPath( url )
+                    fileHandle = file( filename )
+                    src = fileHandle.read().replace("\r","")
+                    if not src.endswith( "\n" ):
+                        src = src + "\n"
+
+                    # compile and execute the module
+                    codeobject = compile( src, encfile(filename), "exec" )
+                    exec(codeobject, mod.__dict__)
+                    mod.__file__ = encfile(filename)
+                    g_loadedComponents[url] = mod
+                return mod
+            elif "vnd.openoffice.pymodule" == protocol:
+                return  __import__( dependent )
+            else:
+                raise RuntimeException( "PythonLoader: Unknown protocol " +
+                                         protocol + " in url " +url, self )
+        except ImportError as e:
+            raise RuntimeException( "Couldn't load " + url + " for reason " + str(e), None )
+        return None
+
+    def activate( self, implementationName, dummy, locationUrl, regKey ):
+        if DEBUG:
+            print("pythonloader.Loader.activate")
+
+        mod = self.getModuleFromUrl( locationUrl )
+        implHelper = mod.__dict__.get( "g_ImplementationHelper" , None )
+        if implHelper == None:
+            return mod.getComponentFactory( implementationName, self.ctx.ServiceManager, regKey )
+        else:
+            return implHelper.getComponentFactory( implementationName,regKey,self.ctx.ServiceManager)
+
+    def writeRegistryInfo( self, regKey, dummy, locationUrl ):
+        if DEBUG:
+            print( "pythonloader.Loader.writeRegistryInfo" )
+
+        mod = self.getModuleFromUrl( locationUrl )
+        implHelper = mod.__dict__.get( "g_ImplementationHelper" , None )
+        if implHelper == None:
+            return mod.writeRegistryInfo( self.ctx.ServiceManager, regKey )
+        else:
+            return implHelper.writeRegistryInfo( regKey, self.ctx.ServiceManager )
+
+    def getImplementationName( self ):
+        return g_implementationName
+
+    def supportsService( self, ServiceName ):
+        return ServiceName in self.serviceNames
+
+    def getSupportedServiceNames( self ):
+          return g_supportedServices
diff --git a/pyuno/source/loader/pyuno_loader.cxx b/pyuno/source/loader/pyuno_loader.cxx
index 830254d9841f..7f2466b449e6 100644
--- a/pyuno/source/loader/pyuno_loader.cxx
+++ b/pyuno/source/loader/pyuno_loader.cxx
@@ -1,4 +1,4 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*nd '!=' comparisions are defined"126G -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /*************************************************************************
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -118,8 +118,26 @@ static void setPythonHome ( const OUString & pythonHome )
     OUString systemPythonHome;
     osl_getSystemPathFromFileURL( pythonHome.pData, &(systemPythonHome.pData) );
     OString o = rtl::OUStringToOString( systemPythonHome, osl_getThreadTextEncoding() );
-    rtl_string_acquire(o.pData); // leak this string (thats the api!)
-    Py_SetPythonHome( o.pData->buffer);
+#if PY_MAJOR_VERSION >= 3
+    // static because Py_SetPythonHome just copies the "wide" pointer
+    // PATH_MAX is defined in Python.h
+    static wchar_t wide[PATH_MAX + 1];
+    size_t len = mbstowcs(wide, o.pData->buffer, PATH_MAX + 1);
+    if(len == (size_t)-1)
+    {
+        PyErr_SetString(PyExc_SystemError, "invalid multibyte sequence in python home path");
+        return;
+    }
+    if(len == PATH_MAX + 1)
+    {
+        PyErr_SetString(PyExc_SystemError, "python home path is too long");
+        return;
+    }
+    Py_SetPythonHome(wide);
+#else
+    rtl_string_acquire(o.pData); // increase reference count
+    Py_SetPythonHome(o.pData->buffer);
+#endif
 }
 
 static void prependPythonPath( const OUString & pythonPathBootstrap )
@@ -178,7 +196,11 @@ Reference< XInterface > CreateInstance( const Reference< XComponentContext > & c
 
         if( pythonPath.getLength() )
             prependPythonPath( pythonPath );
-
+#if PY_MAJOR_VERSION >= 3
+        PyImport_AppendInittab( "pyuno", PyInit_pyuno );
+#else
+        PyImport_AppendInittab( "pyuno", initpyuno );
+#endif
         // initialize python
         Py_Initialize();
         PyEval_InitThreads();
diff --git a/pyuno/source/module/makefile.mk b/pyuno/source/module/makefile.mk
index ecad6bca0220..ecfe994c59d3 100644
--- a/pyuno/source/module/makefile.mk
+++ b/pyuno/source/module/makefile.mk
@@ -36,6 +36,7 @@ LINKFLAGSDEFS = # do not fail with missing symbols
 
 .INCLUDE :  settings.mk
 .IF "$(L10N_framework)"==""
+
 #-------------------------------------------------------------------
 
 .IF "$(OS)$(COMEX)" == "SOLARIS4"
@@ -49,9 +50,6 @@ EXTRA_FRAMEWORK_FLAG=-framework Python
 .ENDIF # .IF "$(EXTRA_CFLAGS)"!=""
 
 .IF "$(GUI)" == "UNX"
-# python expects modules without the lib prefix 
-# pyuno.so even on Mac OS X, because it is a python module
-PYUNO_MODULE=$(DLLDEST)$/pyuno.so
 PYUNORC=pyunorc
 .ELSE
 .INCLUDE :  pyversion.mk
@@ -69,38 +67,37 @@ CFLAGS+=-I$(SOLARINCDIR)$/python
 
 SHL1TARGET=$(TARGET)
 SLOFILES= \
-        $(SLO)$/pyuno_runtime.obj 	\
-        $(SLO)$/pyuno.obj 		\
-        $(SLO)$/pyuno_callable.obj 	\
-        $(SLO)$/pyuno_module.obj 	\
-        $(SLO)$/pyuno_type.obj 		\
-        $(SLO)$/pyuno_util.obj		\
-        $(SLO)$/pyuno_except.obj	\
-        $(SLO)$/pyuno_adapter.obj	\
+        $(SLO)$/pyuno_runtime.obj \
+        $(SLO)$/pyuno.obj \
+        $(SLO)$/pyuno_callable.obj \
+        $(SLO)$/pyuno_module.obj \
+        $(SLO)$/pyuno_type.obj \
+        $(SLO)$/pyuno_util.obj \
+        $(SLO)$/pyuno_except.obj \
+        $(SLO)$/pyuno_adapter.obj \
         $(SLO)$/pyuno_gc.obj
 
 # remove this, when issue i35064 is integrated
 .IF "$(COM)"=="GCC"
 NOOPTFILES= \
     $(SLO)$/pyuno_module.obj
-.ENDIF			# "$(COM)"=="GCC"
-
+.ENDIF # "$(COM)"=="GCC"
 
 SHL1STDLIBS= \
-        $(CPPULIB)		\
-        $(CPPUHELPERLIB)	\
-        $(SALLIB)		\
-        $(PYTHONLIB) 		\
-        $(EXTRA_FRAMEWORK_FLAG) 
+        $(CPPULIB) \
+        $(CPPUHELPERLIB) \
+        $(SALLIB) \
+        $(PYTHONLIB) \
+        $(EXTRA_FRAMEWORK_FLAG)
 
 SHL1DEPN=
-SHL1LIBS=$(SLB)$/$(TARGET).lib
-SHL1IMPLIB=i$(TARGET)
+SHL1LIBS= $(SLB)$/$(TARGET).lib
+SHL1IMPLIB= i$(TARGET)
 
-SHL1DEF=	$(MISC)$/$(SHL1TARGET).def
+SHL1DEF= $(MISC)$/$(SHL1TARGET).def
 
-DEF1NAME=	$(SHL1TARGET)
-DEF1DEPN=	$(MISC)$/pyuno.flt
+DEF1NAME= $(SHL1TARGET)
+DEF1DEPN= $(MISC)$/pyuno.flt
 
 DEFLIB1NAME=$(TARGET)
 
@@ -108,21 +105,20 @@ DEFLIB1NAME=$(TARGET)
 
 .IF "$(GUI)$(COM)"=="WNTGCC"
 ALLTAR : \
-    $(DLLDEST)$/uno.py 		\
-    $(DLLDEST)$/unohelper.py	\
-    $(PYUNO_MODULE)			\
-    $(MISC)$/$(PYUNORC)		\
+    $(DLLDEST)$/uno.py \
+    $(DLLDEST)$/unohelper.py \
+    $(MISC)$/$(PYUNORC) \
     $(LB)$/lib$(TARGET).a
 
 $(LB)$/lib$(TARGET).a: $(MISC)$/$(TARGET).def
     dlltool --dllname $(TARGET)$(DLLPOST) --input-def=$(MISC)$/$(TARGET).def --kill-at --output-lib=$(LB)$/lib$(TARGET).a
 .ELSE
 ALLTAR : \
-    $(DLLDEST)$/uno.py 		\
-    $(DLLDEST)$/unohelper.py	\
-    $(PYUNO_MODULE)			\
-    $(MISC)$/$(PYUNORC)		
-.ENDIF 
+    $(DLLDEST)$/uno.py \
+    $(DLLDEST)$/unohelper.py \
+    $(MISC)$/$(PYUNORC) \
+    $(LB)$/$(TARGET)$(DLLPOST)
+.ENDIF
 .ENDIF
 
 .INCLUDE :  target.mk
@@ -130,37 +126,19 @@ ALLTAR : \
 $(DLLDEST)$/%.py: %.py
     cp $? $@
 
-
-.IF "$(GUI)" == "UNX"
-$(PYUNO_MODULE) : $(SLO)$/pyuno_dlopenwrapper.obj
-.IF "$(OS)" == "LINUX"
-    @echo $(LINK) $(LINKFLAGS) $(LINKFLAGSRUNPATH_OOO) $(LINKFLAGSSHLCUI) -ldl -o $@ $(SLO)$/pyuno_dlopenwrapper.o > $(MISC)$/$(@:b).cmd
-.ELIF "$(OS)" == "SOLARIS"
-    @echo ld -G -ldl -o $@ $(SLO)$/pyuno_dlopenwrapper.o > $(MISC)$/$(@:b).cmd
-.ELIF "$(OS)" == "FREEBSD"
-    @echo ld -shared -o $@ $(SLO)$/pyuno_dlopenwrapper.o > $(MISC)$/$(@:b).cmd
-.ELIF "$(OS)" == "NETBSD"
-    @echo $(LINK) $(LINKFLAGSSHLCUI) -o $@ $(SLO)$/pyuno_dlopenwrapper.o > $(MISC)$/$(@:b).cmd
-.ELIF "$(OS)" == "OPENBSD"
-    @echo ld -shared -o $@ $(SLO)$/pyuno_dlopenwrapper.o > $(MISC)$/$(@:b).cmd
-.ELIF "$(OS)" == "DRAGONFLY"
-    @echo ld -shared -o $@ $(SLO)$/pyuno_dlopenwrapper.o > $(MISC)$/$(@:b).cmd
-.ELIF "$(OS)" == "MACOSX"
-    @echo $(CC) -bundle -ldl -o $@ $(SLO)$/pyuno_dlopenwrapper.o $(EXTRA_LINKFLAGS) $(EXTRA_FRAMEWORK_FLAG) > $(MISC)$/$(@:b).cmd
-.ELSE
-    @echo $(LINK) $(LINKFLAGSSHLCUI) -o $@ $(SLO)$/pyuno_dlopenwrapper.o > $(MISC)$/$(@:b).cmd
-.ENDIF
-    cat $(MISC)$/$(@:b).cmd
-    @+source $(MISC)$/$(@:b).cmd
-.ENDIF
-
-
 $(MISC)$/$(PYUNORC) : pyuno
     -rm -f $@
-    cat pyuno > $@ 
+    cat pyuno > $@
 
 $(MISC)$/pyuno.flt : pyuno.flt
     -rm -f $@
     cat $? > $@
+
+# python does not accept the "lib" prefix in the module library
+$(LB)$/$(TARGET)$(DLLPOST) : $(LB)$/$(DLLPRE)$(TARGET)$(DLLPOST)
+    -rm -f $@
+    ln -s $? $@
+
 .ENDIF # L10N_framework
 
+# vim:set shiftwidth=4 softtabstop=4 expandtab:
diff --git a/pyuno/source/module/pyuno.cxx b/pyuno/source/module/pyuno.cxx
index 1e43f317d819..dbdddac470b3 100644
--- a/pyuno/source/module/pyuno.cxx
+++ b/pyuno/source/module/pyuno.cxx
@@ -135,13 +135,6 @@ OUString val2str( const void * pVal, typelib_TypeDescriptionReference * pTypeRef
     }
     case typelib_TypeClass_UNION:
     {
-//          typelib_TypeDescription * pTypeDescr = 0;
-//          TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
-//          buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("{ ") );
-//          buf.append( val2str( (char *)pVal + ((typelib_UnionTypeDescription *)pTypeDescr)->nValueOffset,
-//                               union_getSetType( pVal, pTypeDescr ) ) );
-//          buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(" }") );
-//          TYPELIB_DANGER_RELEASE( pTypeDescr );
         break;
     }
     case typelib_TypeClass_STRUCT:
@@ -193,7 +186,7 @@ OUString val2str( const void * pVal, typelib_TypeDescriptionReference * pTypeRef
         TYPELIB_DANGER_GET( &pElementTypeDescr, ((typelib_IndirectTypeDescription *)pTypeDescr)->pType );
 
         sal_Int32 nElementSize = pElementTypeDescr->nSize;
-        sal_Int32 nElements    = pSequence->nElements;
+        sal_Int32 nElements = pSequence->nElements;
 
         if (nElements)
         {
@@ -600,11 +593,17 @@ int PyUNO_setattr (PyObject* self, char* name, PyObject* value)
 }
 
 // ensure object identity and struct equality
-static int PyUNO_cmp( PyObject *self, PyObject *that )
+static PyObject* PyUNO_cmp( PyObject *self, PyObject *that, int op )
 {
-    if( self == that )
+    if(op != Py_EQ && op != Py_NE)
+    {
+        PyErr_SetString(PyExc_TypeError, "only '==' and '!=' comparisions are defined");
         return 0;
-    int retDefault = self > that ? 1 : -1;
+    }
+    if( self == that )
+    {
+        return (op == Py_EQ ? Py_True : Py_False);
+    }
     try
     {
         Runtime runtime;
@@ -624,13 +623,16 @@ static int PyUNO_cmp( PyObject *self, PyObject *that )
                     Reference< XMaterialHolder > xMe( me->members->xInvocation,UNO_QUERY);
                     Reference< XMaterialHolder > xOther( other->members->xInvocation,UNO_QUERY );
                     if( xMe->getMaterial() == xOther->getMaterial() )
-                        return 0;
+                    {
+                        return (op == Py_EQ ? Py_True : Py_False);
+                    }
                 }
                 else if( tcMe == com::sun::star::uno::TypeClass_INTERFACE )
                 {
                     if( me->members->wrappedObject == other->members->wrappedObject )
-//                     if( me->members->xInvocation == other->members->xInvocation )
-                        return 0;
+                    {
+                        return (op == Py_EQ ? Py_True : Py_False);
+                    }
                 }
             }
         }
@@ -639,13 +641,12 @@ static int PyUNO_cmp( PyObject *self, PyObject *that )
     {
         raisePyExceptionWithAny( makeAny( e ) );
     }
-    return retDefault;
+    return Py_False;
 }
 
 static PyTypeObject PyUNOType =
 {
-    PyObject_HEAD_INIT (&PyType_Type)
-    0,
+    PyVarObject_HEAD_INIT( &PyType_Type, 0 )
     const_cast< char * >("pyuno"),
     sizeof (PyUNO),
     0,
@@ -653,7 +654,7 @@ static PyTypeObject PyUNOType =
     (printfunc) 0,
     (getattrfunc) PyUNO_getattr,
     (setattrfunc) PyUNO_setattr,
-    (cmpfunc) PyUNO_cmp,
+    0,
     (reprfunc) PyUNO_repr,
     0,
     0,
@@ -668,7 +669,7 @@ static PyTypeObject PyUNOType =
     NULL,
     (traverseproc)0,
     (inquiry)0,
-    (richcmpfunc)0,
+    (richcmpfunc) PyUNO_cmp,
     0,
     (getiterfunc)0,
     (iternextfunc)0,
diff --git a/pyuno/source/module/pyuno_callable.cxx b/pyuno/source/module/pyuno_callable.cxx
index 68b2f39e30a5..c1451683f17f 100644
--- a/pyuno/source/module/pyuno_callable.cxx
+++ b/pyuno/source/module/pyuno_callable.cxx
@@ -196,8 +196,7 @@ PyObject* PyUNO_callable_call (PyObject* self, PyObject* args, PyObject*)
 
 static PyTypeObject PyUNO_callable_Type =
 {
-    PyObject_HEAD_INIT (&PyType_Type)
-    0,
+    PyVarObject_HEAD_INIT( &PyType_Type, 0 )
     const_cast< char * >("PyUNO_callable"),
     sizeof (PyUNO_callable),
     0,
@@ -205,7 +204,7 @@ static PyTypeObject PyUNO_callable_Type =
     (printfunc) 0,
     (getattrfunc) 0,
     (setattrfunc) 0,
-    (cmpfunc) 0,
+    0,
     (reprfunc) 0,
     0,
     0,
@@ -213,7 +212,7 @@ static PyTypeObject PyUNO_callable_Type =
     (hashfunc) 0,
     (ternaryfunc) ::pyuno::PyUNO_callable_call,
     (reprfunc) 0,
-        (getattrofunc)0,
+    (getattrofunc)0,
     (setattrofunc)0,
     NULL,
     0,
diff --git a/pyuno/source/module/pyuno_except.cxx b/pyuno/source/module/pyuno_except.cxx
index e276be6ee451..16aed8935e4f 100644
--- a/pyuno/source/module/pyuno_except.cxx
+++ b/pyuno/source/module/pyuno_except.cxx
@@ -167,7 +167,7 @@ static PyRef createClass( const OUString & name, const Runtime &runtime )
     PyTuple_SetItem( args.get(), 2, PyDict_New() );
 
     PyRef ret(
-        PyObject_CallObject(reinterpret_cast<PyObject *>(&PyClass_Type) , args.get()),
+        PyObject_CallObject(reinterpret_cast<PyObject *>(&PyType_Type) , args.get()),
         SAL_NO_ACQUIRE );
 
     // now overwrite ctor and attrib functions
diff --git a/pyuno/source/module/pyuno_impl.hxx b/pyuno/source/module/pyuno_impl.hxx
index c1a38b5e06aa..51bc10a3df4d 100644
--- a/pyuno/source/module/pyuno_impl.hxx
+++ b/pyuno/source/module/pyuno_impl.hxx
@@ -28,6 +28,8 @@
 #ifndef _PYUNO_IMPL_
 #define _PYUNO_IMPL_
 
+#include <Python.h>
+
 #include <pyuno/pyuno.hxx>
 
 #include <boost/unordered_map.hpp>
@@ -48,6 +50,49 @@
 #include <cppuhelper/implbase2.hxx>
 #include <cppuhelper/weakref.hxx>
 
+// In Python 3, the PyString_* functions have been replaced by PyBytes_*
+// and PyUnicode_* functions.
+#if PY_MAJOR_VERSION >= 3
+inline char* PyString_AsString(PyObject *object)
+{
+    // check whether object is already of type "PyBytes"
+    if(PyBytes_Check(object))
+    {
+        return PyBytes_AsString(object);
+    }
+
+    // object is not encoded yet, so encode it to utf-8
+    PyObject *pystring;
+    pystring = PyUnicode_AsUTF8String(object);
+    if(!pystring)
+    {
+       PyErr_SetString(PyExc_ValueError, "cannot utf-8 decode string");
+       return 0;
+    }
+    return PyBytes_AsString(pystring);
+}
+
+inline PyObject* PyString_FromString(const char *string)
+{
+    return PyUnicode_FromString(string);
+}
+
+inline int PyString_Check(PyObject *object)
+{
+    return PyBytes_Check(object);
+}
+
+inline Py_ssize_t PyString_Size(PyObject *object)
+{
+    return PyBytes_Size(object);
+}
+
+inline PyObject* PyString_FromStringAndSize(const char *string, Py_ssize_t len)
+{
+    return PyBytes_FromStringAndSize(string, len);
+}
+#endif /* PY_MAJOR_VERSION >= 3 */
+
 namespace pyuno
 {
 
@@ -142,9 +187,6 @@ com::sun::star::uno::Any PyObjectToAny (PyObject* o)
 void raiseInvocationTargetExceptionWhenNeeded( const Runtime &runtime )
     throw ( com::sun::star::reflection::InvocationTargetException );
 
-// bool CheckPyObjectTypes (PyObject* o, Sequence<Type> types);
-// bool CheckPyObjectType (PyObject* o, Type type); //Only check 1 object.
-
 com::sun::star::uno::TypeClass StringToTypeClass (char* string);
 
 PyRef PyUNO_callable_new (
diff --git a/pyuno/source/module/pyuno_module.cxx b/pyuno/source/module/pyuno_module.cxx
index 7a9327894c21..4788a2f1846b 100644
--- a/pyuno/source/module/pyuno_module.cxx
+++ b/pyuno/source/module/pyuno_module.cxx
@@ -230,7 +230,7 @@ PyObject * extractOneStringArg( PyObject *args, char const *funcName )
         return NULL;
     }
     PyObject *obj = PyTuple_GetItem( args, 0 );
-    if( !PyString_Check( obj ) && ! PyUnicode_Check(obj))
+    if(!PyString_Check(obj) && !PyUnicode_Check(obj))
     {
         OStringBuffer buf;
         buf.append( funcName ).append( ": expecting one string argument" );
@@ -244,16 +244,17 @@ static PyObject *createUnoStructHelper(PyObject *, PyObject* args )
 {
     Any IdlStruct;
     PyRef ret;
-
     try
     {
         Runtime runtime;
         if( PyTuple_Size( args ) == 2 )
         {
-            PyObject *structName = PyTuple_GetItem( args,0 );
-            PyObject *initializer = PyTuple_GetItem( args ,1 );
+            PyObject *structName = PyTuple_GetItem(args, 0);
+            PyObject *initializer = PyTuple_GetItem(args, 1);
 
-            if( PyString_Check( structName ) )
+            // Perhaps in Python 3, only PyUnicode_Check returns true and
+            // in Python 2, only PyString_Check returns true.
+            if(PyString_Check(structName) || PyUnicode_Check(structName))
             {
                 if( PyTuple_Check( initializer ) )
                 {
@@ -491,9 +492,9 @@ static PyObject *isInterface( PyObject *, PyObject *args )
     {
         PyObject *obj = PyTuple_GetItem( args, 0 );
         Runtime r;
-        return PyInt_FromLong( isInterfaceClass( r, obj ) );
+        return PyLong_FromLong( isInterfaceClass( r, obj ) );
     }
-    return PyInt_FromLong( 0 );
+    return PyLong_FromLong( 0 );
 }
 
 static PyObject * generateUuid( PyObject *, PyObject * )
@@ -592,41 +593,42 @@ static PyObject * absolutize( PyObject *, PyObject * args )
     return 0;
 }
 
-static PyObject * invoke ( PyObject *, PyObject * args )
+static PyObject * invoke(PyObject *, PyObject *args)
 {
     PyObject *ret = 0;
-    if( PyTuple_Check( args ) && PyTuple_Size( args ) == 3 )
+    if(PyTuple_Check(args) && PyTuple_Size(args) == 3)
     {
-        PyObject *object = PyTuple_GetItem( args, 0 );
-
-        if( PyString_Check( PyTuple_GetItem( args, 1 ) ) )
+        PyObject *object = PyTuple_GetItem(args, 0);
+        PyObject *item1 = PyTuple_GetItem(args, 1);
+        if(PyString_Check(item1) || PyUnicode_Check(item1))
         {
-            const char *name = PyString_AsString( PyTuple_GetItem( args, 1 ) );
-            if( PyTuple_Check( PyTuple_GetItem( args , 2 )))
+            const char *name = PyString_AsString(item1);
+            PyObject *item2 = PyTuple_GetItem(args, 2);
+            if(PyTuple_Check(item2))
             {
-                ret = PyUNO_invoke( object, name , PyTuple_GetItem( args, 2 ) );
+                ret = PyUNO_invoke(object, name, item2);
             }
             else
             {
                 OStringBuffer buf;
-                buf.append( "uno.invoke expects a tuple as 3rd argument, got " );
-                buf.append( PyString_AsString( PyObject_Str( PyTuple_GetItem( args, 2) ) ) );
-                PyErr_SetString( PyExc_RuntimeError, buf.makeStringAndClear() );
+                buf.append("uno.invoke expects a tuple as 3rd argument, got ");
+                buf.append(PyString_AsString(PyObject_Str(item2)));
+                PyErr_SetString(PyExc_RuntimeError, buf.makeStringAndClear());
             }
         }
         else
         {
             OStringBuffer buf;
-            buf.append( "uno.invoke expected a string as 2nd argument, got " );
-            buf.append( PyString_AsString( PyObject_Str( PyTuple_GetItem( args, 1) ) ) );
-            PyErr_SetString( PyExc_RuntimeError, buf.makeStringAndClear() );
+            buf.append("uno.invoke expected a string as 2nd argument, got ");
+            buf.append(PyString_AsString(PyObject_Str(item1)));
+            PyErr_SetString(PyExc_RuntimeError, buf.makeStringAndClear());
         }
     }
     else
     {
         OStringBuffer buf;
-        buf.append( "uno.invoke expects object, name, (arg1, arg2, ... )\n" );
-        PyErr_SetString( PyExc_RuntimeError, buf.makeStringAndClear() );
+        buf.append("uno.invoke expects object, name, (arg1, arg2, ... )\n");
+        PyErr_SetString(PyExc_RuntimeError, buf.makeStringAndClear());
     }
     return ret;
 }
@@ -690,31 +692,52 @@ static PyObject *setCurrentContext( PyObject *, PyObject * args )
 
 struct PyMethodDef PyUNOModule_methods [] =
 {
-    {const_cast< char * >("getComponentContext"), getComponentContext, 1, NULL},
-    {const_cast< char * >("_createUnoStructHelper"), createUnoStructHelper, 2, NULL},
-    {const_cast< char * >("getTypeByName"), getTypeByName, 1, NULL},
-    {const_cast< char * >("getConstantByName"), getConstantByName,1, NULL},
-    {const_cast< char * >("getClass"), getClass,1, NULL},
-    {const_cast< char * >("checkEnum"), checkEnum, 1, NULL},
-    {const_cast< char * >("checkType"), checkType, 1, NULL},
-    {const_cast< char * >("generateUuid"), generateUuid,0, NULL},
-    {const_cast< char * >("systemPathToFileUrl"),systemPathToFileUrl,1, NULL},
-    {const_cast< char * >("fileUrlToSystemPath"),fileUrlToSystemPath,1, NULL},
-    {const_cast< char * >("absolutize"),absolutize,2, NULL},
-    {const_cast< char * >("isInterface"),isInterface,1, NULL},
-    {const_cast< char * >("invoke"),invoke, 2, NULL},
-    {const_cast< char * >("setCurrentContext"),setCurrentContext,1, NULL},
-    {const_cast< char * >("getCurrentContext"),getCurrentContext,1, NULL},
+    {const_cast< char * >("getComponentContext"), getComponentContext, METH_VARARGS, NULL},
+    {const_cast< char * >("_createUnoStructHelper"), createUnoStructHelper, METH_VARARGS | METH_KEYWORDS, NULL},
+    {const_cast< char * >("getTypeByName"), getTypeByName, METH_VARARGS, NULL},
+    {const_cast< char * >("getConstantByName"), getConstantByName, METH_VARARGS, NULL},
+    {const_cast< char * >("getClass"), getClass, METH_VARARGS, NULL},
+    {const_cast< char * >("checkEnum"), checkEnum, METH_VARARGS, NULL},
+    {const_cast< char * >("checkType"), checkType, METH_VARARGS, NULL},
+    {const_cast< char * >("generateUuid"), generateUuid, METH_VARARGS, NULL},
+    {const_cast< char * >("systemPathToFileUrl"), systemPathToFileUrl, METH_VARARGS, NULL},
+    {const_cast< char * >("fileUrlToSystemPath"), fileUrlToSystemPath, METH_VARARGS, NULL},
+    {const_cast< char * >("absolutize"), absolutize, METH_VARARGS | METH_KEYWORDS, NULL},
+    {const_cast< char * >("isInterface"), isInterface, METH_VARARGS, NULL},
+    {const_cast< char * >("invoke"), invoke, METH_VARARGS | METH_KEYWORDS, NULL},
+    {const_cast< char * >("setCurrentContext"), setCurrentContext, METH_VARARGS, NULL},
+    {const_cast< char * >("getCurrentContext"), getCurrentContext, METH_VARARGS, NULL},
     {NULL, NULL, 0, NULL}
 };
 
 }
 
-extern "C" PY_DLLEXPORT void initpyuno()
+extern "C" PY_DLLEXPORT
+#if PY_MAJOR_VERSION >= 3
+PyObject* PyInit_pyuno()
 {
     // noop when called already, otherwise needed to allow multiple threads
     PyEval_InitThreads();
+    static struct PyModuleDef moduledef =
+    {
+        PyModuleDef_HEAD_INIT,
+        "pyuno",             // module name
+        0,                   // module documentation
+        -1,                  // module keeps state in global variables,
+        PyUNOModule_methods, // modules methods
+        0,                   // m_reload (must be 0)
+        0,                   // m_traverse
+        0,                   // m_clear
+        0,                   // m_free
+    };
+    return PyModule_Create(&moduledef);
+}
+#else
+void initpyuno()
+{
+    PyEval_InitThreads();
     Py_InitModule (const_cast< char * >("pyuno"), PyUNOModule_methods);
 }
+#endif /* PY_MAJOR_VERSION >= 3 */
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/pyuno/source/module/pyuno_runtime.cxx b/pyuno/source/module/pyuno_runtime.cxx
index ed34ddf3b6cf..61d05d8321f5 100644
--- a/pyuno/source/module/pyuno_runtime.cxx
+++ b/pyuno/source/module/pyuno_runtime.cxx
@@ -72,8 +72,7 @@ namespace pyuno
 
 static PyTypeObject RuntimeImpl_Type =
 {
-    PyObject_HEAD_INIT (&PyType_Type)
-    0,
+    PyVarObject_HEAD_INIT (&PyType_Type, 0)
     const_cast< char * >("pyuno_runtime"),
     sizeof (RuntimeImpl),
     0,
@@ -81,7 +80,7 @@ static PyTypeObject RuntimeImpl_Type =
     (printfunc) 0,
     (getattrfunc) 0,
     (setattrfunc) 0,
-    (cmpfunc) 0,
+    0,
     (reprfunc) 0,
     0,
     0,
@@ -445,7 +444,7 @@ PyRef Runtime::any2PyObject (const Any &a ) const
     {
         sal_Int32 l = 0;
         a >>= l;
-        return PyRef( PyInt_FromLong (l), SAL_NO_ACQUIRE );
+        return PyRef( PyLong_FromLong (l), SAL_NO_ACQUIRE );
     }
     case typelib_TypeClass_UNSIGNED_LONG:
     {
@@ -666,6 +665,8 @@ Any Runtime::pyObject2Any ( const PyRef & source, enum ConversionMode mode ) con
     {
 
     }
+    // In Python 3, there is no PyInt type.
+#if PY_MAJOR_VERSION < 3
     else if (PyInt_Check (o))
     {
         if( o == Py_True )
@@ -680,7 +681,7 @@ Any Runtime::pyObject2Any ( const PyRef & source, enum ConversionMode mode ) con
         }
         else
         {
-            sal_Int32 l = (sal_Int32) PyInt_AsLong( o );
+            sal_Int32 l = (sal_Int32) PyLong_AsLong( o );
             if( l < 128 && l >= -128 )
             {
                 sal_Int8 b = (sal_Int8 ) l;
@@ -697,8 +698,24 @@ Any Runtime::pyObject2Any ( const PyRef & source, enum ConversionMode mode ) con
             }
         }
     }
+#endif /* PY_MAJOR_VERSION < 3 */
     else if (PyLong_Check (o))
     {
+#if PY_MAJOR_VERSION >= 3
+        // Convert the Python 3 booleans that are actually of type PyLong.
+        if(o == Py_True)
+        {
+            sal_Bool b = sal_True;
+            a = Any(&b, getBooleanCppuType());
+        }
+        else if(o == Py_False)
+        {
+            sal_Bool b = sal_False;
+            a = Any(&b, getBooleanCppuType());
+        }
+        else
+        {
+#endif /* PY_MAJOR_VERSION >= 3 */
         sal_Int64 l = (sal_Int64)PyLong_AsLong (o);
         if( l < 128 && l >= -128 )
         {
@@ -720,16 +737,19 @@ Any Runtime::pyObject2Any ( const PyRef & source, enum ConversionMode mode ) con
         {
             a <<= l;
         }
+#if PY_MAJOR_VERSION >= 3
+        }
+#endif
     }
     else if (PyFloat_Check (o))
     {
         double d = PyFloat_AsDouble (o);
         a <<= d;
     }
-    else if (PyString_Check (o))
-    a <<= pyString2ustring(o);
-    else if( PyUnicode_Check( o ) )
-    a <<= pyString2ustring(o);
+    else if (PyString_Check(o) || PyUnicode_Check(o))
+    {
+        a <<= pyString2ustring(o);
+    }
     else if (PyTuple_Check (o))
     {
         Sequence<Any> s (PyTuple_Size (o));
diff --git a/pyuno/source/module/uno.py b/pyuno/source/module/uno.py
index f61b3c925d36..bca8892fbdb3 100644
--- a/pyuno/source/module/uno.py
+++ b/pyuno/source/module/uno.py
@@ -27,7 +27,12 @@
 import sys
 
 import pyuno
-import __builtin__
+
+try:
+    import __builtin__
+except ImportError:
+    import builtins as __builtin__
+
 import socket # since on Windows sal3.dll no longer calls WSAStartup
 
 # all functions and variables starting with a underscore (_) must be considered private
@@ -149,9 +154,9 @@ class Bool(object):
        Note: This class is deprecated. Use python's True and False directly instead
     """
     def __new__(cls, value):
-        if isinstance(value, (str, unicode)) and value == "true":
+        if isinstance(value, str) and value == "true":
             return True
-        if isinstance(value, (str, unicode)) and value == "false":
+        if isinstance(value, str) and value == "false":
             return False
         if value:
             return True
@@ -161,7 +166,7 @@ class Char:
     "Represents a UNO char, use an instance of this class to explicitly pass a char to UNO"
     # @param value pass a Unicode string with length 1
     def __init__(self,value):
-        assert isinstance(value, unicode)
+        assert isinstance(value, str)
         assert len(value) == 1
         self.value=value
 
@@ -169,7 +174,7 @@ class Char:
         return "<Char instance %s>" % (self.value, )
         
     def __eq__(self, that):
-        if isinstance(that, (str, unicode)):
+        if isinstance(that, str):
             if len(that) > 1:
                 return False
             return self.value == that[0]
@@ -260,7 +265,7 @@ def _uno_import( name, *optargs, **kwargs ):
     mod = None
     d = sys.modules
     for x in modnames:
-        if d.has_key(x):
+        if x in d:
            mod = d[x]
         else:
            mod = pyuno.__class__(x)  # How to create a module ??
@@ -268,25 +273,25 @@ def _uno_import( name, *optargs, **kwargs ):
 
     RuntimeException = pyuno.getClass( "com.sun.star.uno.RuntimeException" )
     for x in fromlist:
-       if not d.has_key(x):
+       if x not in d:
           if x.startswith( "typeOf" ):
              try: 
                 d[x] = pyuno.getTypeByName( name + "." + x[6:len(x)] )
-             except RuntimeException,e:
+             except RuntimeException as e:
                 raise ImportError( "type " + name + "." + x[6:len(x)] +" is unknown" )
           else:
             try:
                 # check for structs, exceptions or interfaces
                 d[x] = pyuno.getClass( name + "." + x )
-            except RuntimeException,e:
+            except RuntimeException as e:
                 # check for enums 
                 try:
                    d[x] = Enum( name , x )
-                except RuntimeException,e2:
+                except RuntimeException as e2:
                    # check for constants
                    try:
                       d[x] = getConstantByName( name + "." + x )
-                   except RuntimeException,e3:
+                   except RuntimeException as e3:
                       # no known uno type !
                       raise ImportError( "type "+ name + "." +x + " is unknown" )
     return mod
@@ -296,7 +301,7 @@ __builtin__.__dict__["__import__"] = _uno_import
         
 # private function, don't use
 def _impl_extractName(name):
-    r = range (len(name)-1,0,-1)
+    r = list(range(len(name)-1,0,-1))
     for i in r:
         if name[i] == ".":
            name = name[i+1:len(name)]
@@ -336,7 +341,7 @@ def _uno_extract_printable_stacktrace( trace ):
     mod = None
     try:
         mod = __import__("traceback")
-    except ImportError,e:
+    except ImportError as e:
         pass
     ret = ""
     if mod:
diff --git a/pyuno/source/module/unohelper.py b/pyuno/source/module/unohelper.py
index c59df0597a73..112d0d97ebca 100644
--- a/pyuno/source/module/unohelper.py
+++ b/pyuno/source/module/unohelper.py
@@ -78,7 +78,7 @@ def _propertymode_to_str( mode ):
     if PROP_ATTR_MAYBEVOID & mode:
         ret = ret + "maybevoid "
     return ret.rstrip()
-    
+
 def inspect( obj , out ):
     if isinstance( obj, uno.Type ) or \
        isinstance( obj, uno.Char ) or \
@@ -108,7 +108,7 @@ def inspect( obj , out ):
             out.write( "  " + ii.typeName + "\n" )
     else:
         out.write( "  unknown\n" )
-        
+
     access = introspection.inspect( obj )
     methods = access.getMethods( METHOD_CONCEPT_ALL )
     out.write( "Methods:\n" )
@@ -132,56 +132,56 @@ def createSingleServiceFactory( clazz, implementationName, serviceNames ):
     return _FactoryHelper_( clazz, implementationName, serviceNames )
 
 class _ImplementationHelperEntry:
-      def __init__(self, ctor,serviceNames):
-	  self.ctor = ctor
-	  self.serviceNames = serviceNames
-	  
+    def __init__(self, ctor,serviceNames):
+        self.ctor = ctor
+        self.serviceNames = serviceNames
+
 class ImplementationHelper:
-      def __init__(self):
-	  self.impls = {}
-	  
-      def addImplementation( self, ctor, implementationName, serviceNames ):
-          self.impls[implementationName] =  _ImplementationHelperEntry(ctor,serviceNames)
-	  
-      def writeRegistryInfo( self, regKey, smgr ):
-          for i in self.impls.items():
-	      keyName = "/"+ i[0] + "/UNO/SERVICES"
-	      key = regKey.createKey( keyName )
-	      for serviceName in i[1].serviceNames:
-		  key.createKey( serviceName )
-          return 1
-
-      def getComponentFactory( self, implementationName , regKey, smgr ):
-	  entry = self.impls.get( implementationName, None )
-	  if entry == None:
-	     raise RuntimeException( implementationName + " is unknown" , None )
-	  return createSingleServiceFactory( entry.ctor, implementationName, entry.serviceNames )
-
-      def getSupportedServiceNames( self, implementationName ):
-	  entry = self.impls.get( implementationName, None )
-	  if entry == None:
-	     raise RuntimeException( implementationName + " is unknown" , None )
-	  return entry.serviceNames	     
-	  
-      def supportsService( self, implementationName, serviceName ):
-	  entry = self.impls.get( implementationName,None )
-	  if entry == None:
-	     raise RuntimeException( implementationName + " is unknown", None )
-          return serviceName in entry.serviceNames	     
-
-	  
+    def __init__(self):
+        self.impls = {}
+
+    def addImplementation( self, ctor, implementationName, serviceNames ):
+        self.impls[implementationName] =  _ImplementationHelperEntry(ctor,serviceNames)
+
+    def writeRegistryInfo( self, regKey, smgr ):
+        for i in list(self.impls.items()):
+            keyName = "/"+ i[0] + "/UNO/SERVICES"
+            key = regKey.createKey( keyName )
+            for serviceName in i[1].serviceNames:
+                key.createKey( serviceName )
+        return 1
+
+    def getComponentFactory( self, implementationName , regKey, smgr ):
+        entry = self.impls.get( implementationName, None )
+        if entry == None:
+            raise RuntimeException( implementationName + " is unknown" , None )
+        return createSingleServiceFactory( entry.ctor, implementationName, entry.serviceNames )
+
+    def getSupportedServiceNames( self, implementationName ):
+        entry = self.impls.get( implementationName, None )
+        if entry == None:
+            raise RuntimeException( implementationName + " is unknown" , None )
+        return entry.serviceNames
+
+    def supportsService( self, implementationName, serviceName ):
+        entry = self.impls.get( implementationName,None )
+        if entry == None:
+            raise RuntimeException( implementationName + " is unknown", None )
+        return serviceName in entry.serviceNames
+
+
 class ImplementationEntry:
-      def __init__(self, implName, supportedServices, clazz ):
-	  self.implName = implName
-	  self.supportedServices = supportedServices
-	  self.clazz = clazz
+    def __init__(self, implName, supportedServices, clazz ):
+        self.implName = implName
+        self.supportedServices = supportedServices
+        self.clazz = clazz
 
 def writeRegistryInfoHelper( smgr, regKey, seqEntries ):
     for entry in seqEntries:
         keyName = "/"+ entry.implName + "/UNO/SERVICES"
-	key = regKey.createKey( keyName )
-	for serviceName in entry.supportedServices:
-	    key.createKey( serviceName )
+        key = regKey.createKey( keyName )
+        for serviceName in entry.supportedServices:
+            key.createKey( serviceName )
 
 def systemPathToFileUrl( systemPath ):
     "returns a file-url for the given system path"
@@ -194,11 +194,11 @@ def fileUrlToSystemPath( url ):
 def absolutize( path, relativeUrl ):
     "returns an absolute file url from the given urls"
     return pyuno.absolutize( path, relativeUrl )
-        
+
 def getComponentFactoryHelper( implementationName, smgr, regKey, seqEntries ):
     for x in seqEntries:
-	if x.implName == implementationName:
-	   return createSingleServiceFactory( x.clazz, implementationName, x.supportedServices )
+        if x.implName == implementationName:
+            return createSingleServiceFactory( x.clazz, implementationName, x.supportedServices )
 
 def addComponentsToContext( toBeExtendedContext, contextRuntime, componentUrls, loaderName ):
     smgr = contextRuntime.ServiceManager
@@ -210,56 +210,56 @@ def addComponentsToContext( toBeExtendedContext, contextRuntime, componentUrls,
     #   create a temporary registry
     for componentUrl in componentUrls:
         reg = smgr.createInstanceWithContext( "com.sun.star.registry.SimpleRegistry", contextRuntime )
-	reg.open( "", 0, 1 )
+        reg.open( "", 0, 1 )
         if not isWin and componentUrl.endswith( ".uno" ):  # still allow platform independent naming
             if isMac:
-               componentUrl = componentUrl + ".dylib"
+                componentUrl = componentUrl + ".dylib"
             else:
-               componentUrl = componentUrl + ".so"
-
-	implReg.registerImplementation( loaderName,componentUrl, reg )
-	rootKey = reg.getRootKey()
-	implementationKey = rootKey.openKey( "IMPLEMENTATIONS" )
-	implNames = implementationKey.getKeyNames()
-	extSMGR = toBeExtendedContext.ServiceManager
-	for x in implNames:
-	    fac = loader.activate( max(x.split("/")),"",componentUrl,rootKey)
-	    extSMGR.insert( fac )
-	reg.close()
-	    	    
+                componentUrl = componentUrl + ".so"
+
+        implReg.registerImplementation( loaderName,componentUrl, reg )
+        rootKey = reg.getRootKey()
+        implementationKey = rootKey.openKey( "IMPLEMENTATIONS" )
+        implNames = implementationKey.getKeyNames()
+        extSMGR = toBeExtendedContext.ServiceManager
+        for x in implNames:
+            fac = loader.activate( max(x.split("/")),"",componentUrl,rootKey)
+            extSMGR.insert( fac )
+        reg.close()
+
 # never shrinks !
 _g_typeTable = {}
 def _unohelper_getHandle( self):
-   ret = None
-   if _g_typeTable.has_key( self.__class__ ):
-     ret = _g_typeTable[self.__class__]
-   else:
-     names = {}
-     traverse = list(self.__class__.__bases__)
-     while len( traverse ) > 0:
-         item = traverse.pop()
-         bases = item.__bases__
-         if uno.isInterface( item ):
-             names[item.__pyunointerface__] = None
-         elif len(bases) > 0:
-             # the "else if", because we only need the most derived interface
-             traverse = traverse + list(bases)#
-
-     lst = names.keys()
-     types = []
-     for x in lst:
-         t = uno.getTypeByName( x )
-         types.append( t )
-         
-     ret = tuple(types) , uno.generateUuid()
-     _g_typeTable[self.__class__] = ret
-   return ret
-  
+    ret = None
+    if self.__class__ in _g_typeTable:
+        ret = _g_typeTable[self.__class__]
+    else:
+        names = {}
+        traverse = list(self.__class__.__bases__)
+        while len( traverse ) > 0:
+            item = traverse.pop()
+            bases = item.__bases__
+            if uno.isInterface( item ):
+                names[item.__pyunointerface__] = None
+            elif len(bases) > 0:
+                # the "else if", because we only need the most derived interface
+                traverse = traverse + list(bases)#
+
+        lst = list(names.keys())
+        types = []
+        for x in lst:
+            t = uno.getTypeByName( x )
+            types.append( t )
+
+        ret = tuple(types) , uno.generateUuid()
+        _g_typeTable[self.__class__] = ret
+    return ret
+
 class Base(XTypeProvider):
-      def getTypes( self ):
-	  return _unohelper_getHandle( self )[0]
-      def getImplementationId(self):
-	  return _unohelper_getHandle( self )[1]
+    def getTypes( self ):
+        return _unohelper_getHandle( self )[0]
+    def getImplementationId(self):
+        return _unohelper_getHandle( self )[1]
 
 class CurrentContext(XCurrentContext, Base ):
     """a current context implementation, which first does a lookup in the given
@@ -277,28 +277,28 @@ class CurrentContext(XCurrentContext, Base ):
             return self.oldContext.getValueByName( name )
         else:
             return None
-        
+
 # -------------------------------------------------
 # implementation details
 # -------------------------------------------------
 class _FactoryHelper_( XSingleComponentFactory, XServiceInfo, Base ):
-      def __init__( self, clazz, implementationName, serviceNames ):
-	  self.clazz = clazz
-	  self.implementationName = implementationName
-	  self.serviceNames = serviceNames
-	  
-      def getImplementationName( self ):
-	  return self.implementationName
-
-      def supportsService( self, ServiceName ):
-	  return ServiceName in self.serviceNames
-
-      def getSupportedServiceNames( self ):
-	  return self.serviceNames
-
-      def createInstanceWithContext( self, context ):
-	  return self.clazz( context )
-	      
-      def createInstanceWithArgumentsAndContext( self, args, context ):
-	  return self.clazz( context, *args )
-      
+    def __init__( self, clazz, implementationName, serviceNames ):
+        self.clazz = clazz
+        self.implementationName = implementationName
+        self.serviceNames = serviceNames
+
+    def getImplementationName( self ):
+        return self.implementationName
+
+    def supportsService( self, ServiceName ):
+        return ServiceName in self.serviceNames
+
+    def getSupportedServiceNames( self ):
+        return self.serviceNames
+
+    def createInstanceWithContext( self, context ):
+        return self.clazz( context )
+
+    def createInstanceWithArgumentsAndContext( self, args, context ):
+        return self.clazz( context, *args )
+