/************************************************************************* * * $RCSfile: pyuno_loader.cxx,v $ * * $Revision: 1.6 $ * * last change: $Author: vg $ $Date: 2005-02-24 14:24:54 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses * * - GNU Lesser General Public License Version 2.1 * - Sun Industry Standards Source License Version 1.1 * * Sun Microsystems Inc., October, 2000 * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * * Sun Industry Standards Source License Version 1.1 * ================================================= * The contents of this file are subject to the Sun Industry Standards * Source License Version 1.1 (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.openoffice.org/license.html. * * Software provided under this License is provided on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. * See the License for the specific provisions governing your rights and * obligations concerning the Software. * * The Initial Developer of the Original Code is: Ralph Thomas * * Copyright: 2000 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): Ralph Thomas, Joerg Budischewski * * ************************************************************************/ #include #include #include #include #include #include #include #include #include #include using rtl::OUString; using rtl::OUStringBuffer; using rtl::OString; using pyuno::PyRef; using pyuno::Runtime; using pyuno::PyThreadAttach; using com::sun::star::registry::XRegistryKey; using com::sun::star::uno::Reference; using com::sun::star::uno::XInterface; using com::sun::star::uno::Sequence; using com::sun::star::uno::XComponentContext; using com::sun::star::uno::RuntimeException; namespace pyuno_loader { static void raiseRuntimeExceptionWhenNeeded() throw ( RuntimeException ) { if( PyErr_Occurred() ) { PyRef excType, excValue, excTraceback; PyErr_Fetch( (PyObject **)&excType, (PyObject**)&excValue,(PyObject**)&excTraceback); Runtime runtime; com::sun::star::uno::Any a = runtime.extractUnoException( excType, excValue, excTraceback ); OUStringBuffer buf; buf.appendAscii( "python-loader:" ); if( a.hasValue() ) buf.append( ((com::sun::star::uno::Exception *)a.getValue())->Message ); throw RuntimeException( buf.makeStringAndClear(), Reference< XInterface> () ); } } static PyRef getLoaderModule() throw( RuntimeException ) { PyRef module( PyImport_ImportModule( "pythonloader" ), SAL_NO_ACQUIRE ); raiseRuntimeExceptionWhenNeeded(); if( !module.is() ) { throw RuntimeException( OUString( RTL_CONSTASCII_USTRINGPARAM( "pythonloader: Couldn't load pythonloader module" ) ), Reference< XInterface > () ); } return PyRef( PyModule_GetDict( module.get() )); } static PyRef getObjectFromLoaderModule( const char * func ) throw ( RuntimeException ) { PyRef object( PyDict_GetItemString(getLoaderModule().get(), (char*)func ) ); if( !object.is() ) { OUStringBuffer buf; buf.appendAscii( "pythonloader: couldn't find core element pythonloader." ); buf.appendAscii( func ); throw RuntimeException(buf.makeStringAndClear(),Reference< XInterface >()); } return object; } OUString getImplementationName() { return OUString( RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.comp.pyuno.Loader" ) ); } Sequence< OUString > getSupportedServiceNames() { OUString serviceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.loader.Python" ) ); return Sequence< OUString > ( &serviceName, 1 ); } static OUString getLibDir() { static OUString *pLibDir; if( !pLibDir ) { osl::MutexGuard guard( osl::Mutex::getGlobalMutex() ); if( ! pLibDir ) { static OUString libDir; // changed from reinterpret_cast this is not allowed // in gcc 3.3 without permissive. Us simple C cast. if( osl::Module::getUrlFromAddress( (void*)(getLibDir) , libDir ) ) { libDir = OUString( libDir.getStr(), libDir.lastIndexOf('/' ) ); } pLibDir = &libDir; } } return *pLibDir; } Reference< XInterface > CreateInstance( const Reference< XComponentContext > & ctx ) { Reference< XInterface > ret; if( ! Py_IsInitialized() ) { // in case python path is already set, nothing is done ... const OUString pythonPath ( RTL_CONSTASCII_USTRINGPARAM( "PYTHONPATH" ) ); // otherwise, try to get the PYTHONPATH bootstrap variable OUStringBuffer bufPYTHONPATH( 256 ); OUString path = getLibDir(); if( path.getLength() ) { path += OUString( RTL_CONSTASCII_USTRINGPARAM( "/" SAL_CONFIGFILE("pythonloader.uno" ))); rtl::Bootstrap bootstrap(path); // look for pythonhome OUString pythonHome; if( bootstrap.getFrom( OUString ( RTL_CONSTASCII_USTRINGPARAM( "PYTHONHOME") ), pythonHome ) ) { osl_getFileURLFromSystemPath( pythonHome.pData, &(pythonHome.pData) ); rtl::OStringBuffer stringBuffer( pythonHome.getLength() +20); stringBuffer.append( "PYTHONHOME=" ); stringBuffer.append( rtl::OUStringToOString( pythonHome, osl_getThreadTextEncoding() ) ); OString env2= stringBuffer.makeStringAndClear(); rtl_string_acquire(env2.pData ); putenv( env2.pData->buffer ); } // check for pythonpath OUString pythonPathBootstrap; bootstrap.getFrom( pythonPath , pythonPathBootstrap ); sal_Int32 nIndex = 0; while( 1 ) { sal_Int32 nNew = pythonPathBootstrap.indexOf( ' ', nIndex ); OUString fileUrl; if( nNew == -1 ) { fileUrl = OUString( &( pythonPathBootstrap[nIndex] ) ); } else { fileUrl = OUString( &(pythonPathBootstrap[nIndex]) , nNew - nIndex ); } OUString systemPath; osl_getSystemPathFromFileURL( fileUrl.pData, &(systemPath.pData) ); bufPYTHONPATH.append( systemPath ); if( nNew == -1 ) break; bufPYTHONPATH.append( (sal_Unicode) SAL_PATHSEPARATOR ); nIndex = nNew + 1; } } OUString value; osl_getEnvironment( pythonPath.pData, &value.pData ); bufPYTHONPATH.append( value ); rtl::OStringBuffer stringBuffer; stringBuffer.append( "PYTHONPATH=" ); stringBuffer.append( rtl::OUStringToOString( bufPYTHONPATH.makeStringAndClear(), osl_getThreadTextEncoding())); OString env = stringBuffer.makeStringAndClear(); // leak this string (putenv does not make a copy) rtl_string_acquire( env.pData ); putenv( env.pData->buffer ); // initialize python Py_Initialize(); PyEval_InitThreads(); PyThreadState *tstate = PyThreadState_Get(); PyEval_ReleaseThread( tstate ); } PyThreadAttach attach( PyInterpreterState_Head() ); { if( ! Runtime::isInitialized() ) { Runtime::initialize( ctx ); } Runtime runtime; PyRef pyCtx = runtime.any2PyObject( com::sun::star::uno::makeAny( ctx ) ); PyRef clazz = getObjectFromLoaderModule( "Loader" ); PyRef args ( PyTuple_New( 1 ), SAL_NO_ACQUIRE ); PyTuple_SetItem( args.get(), 0 , pyCtx.getAcquired() ); PyRef pyInstance( PyObject_CallObject( clazz.get() , args.get() ), SAL_NO_ACQUIRE ); runtime.pyObject2Any( pyInstance ) >>= ret; } return ret; } } static struct cppu::ImplementationEntry g_entries[] = { { pyuno_loader::CreateInstance, pyuno_loader::getImplementationName, pyuno_loader::getSupportedServiceNames, cppu::createSingleComponentFactory, 0 , 0 }, { 0, 0, 0, 0, 0, 0 } }; extern "C" { //================================================================================================== void SAL_CALL component_getImplementationEnvironment( const sal_Char ** ppEnvTypeName, uno_Environment ** ppEnv ) { *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME; } //================================================================================================== sal_Bool SAL_CALL component_writeInfo( void * pServiceManager, void * pRegistryKey ) { return cppu::component_writeInfoHelper( pServiceManager, pRegistryKey, g_entries ); } //================================================================================================== void * SAL_CALL component_getFactory( const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey ) { return cppu::component_getFactoryHelper( pImplName, pServiceManager, pRegistryKey , g_entries ); } }