/************************************************************** * * 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 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ #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( const_cast< char * >("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 void setPythonHome ( const OUString & pythonHome ) { OUString systemPythonHome; osl_getSystemPathFromFileURL( pythonHome.pData, &(systemPythonHome.pData) ); OString o = rtl::OUStringToOString( systemPythonHome, osl_getThreadTextEncoding() ); #if PY_MAJOR_VERSION < 3 || PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION <= 4 rtl_string_acquire(o.pData); // leak this string (thats the api!) Py_SetPythonHome( o.pData->buffer); #else static wchar_t *wpath = Py_DecodeLocale(o.pData->buffer, NULL); if (wpath == NULL) { PyErr_SetString(PyExc_SystemError, "Cannot decode python home path"); return; } Py_SetPythonHome(wpath); #endif } static void prependPythonPath( const OUString & pythonPathBootstrap ) { rtl::OUStringBuffer bufPYTHONPATH( 256 ); 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 ); bufPYTHONPATH.append( static_cast(SAL_PATHSEPARATOR) ); if( nNew == -1 ) break; nIndex = nNew + 1; } const char * oldEnv = getenv( "PYTHONPATH"); if( oldEnv ) bufPYTHONPATH.append( rtl::OUString(oldEnv, strlen(oldEnv), osl_getThreadTextEncoding()) ); rtl::OUString envVar(RTL_CONSTASCII_USTRINGPARAM("PYTHONPATH")); rtl::OUString envValue(bufPYTHONPATH.makeStringAndClear()); osl_setEnvironment(envVar.pData, envValue.pData); } Reference< XInterface > CreateInstance( const Reference< XComponentContext > & ctx ) { Reference< XInterface > ret; if( ! Py_IsInitialized() ) { OUString pythonPath; OUString pythonHome; OUString path( RTL_CONSTASCII_USTRINGPARAM( "$OOO_BASE_DIR/program/" SAL_CONFIGFILE("pythonloader.uno" ))); rtl::Bootstrap::expandMacros(path); //TODO: detect failure rtl::Bootstrap bootstrap(path); // look for pythonhome bootstrap.getFrom( OUString( RTL_CONSTASCII_USTRINGPARAM( "PYUNO_LOADER_PYTHONHOME") ), pythonHome ); bootstrap.getFrom( OUString( RTL_CONSTASCII_USTRINGPARAM( "PYUNO_LOADER_PYTHONPATH" ) ) , pythonPath ); // pythonhome+pythonpath must be set before Py_Initialize(), otherwise there appear warning on the console // sadly, there is no api for setting the pythonpath, we have to use the environment variable if( pythonHome.getLength() ) setPythonHome( pythonHome ); if( pythonPath.getLength() ) prependPythonPath( pythonPath ); // 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" { //================================================================================================== SAL_DLLPUBLIC_EXPORT void SAL_CALL component_getImplementationEnvironment( const sal_Char ** ppEnvTypeName, uno_Environment ** ) { *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME; } //================================================================================================== SAL_DLLPUBLIC_EXPORT void * SAL_CALL component_getFactory( const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey ) { return cppu::component_getFactoryHelper( pImplName, pServiceManager, pRegistryKey , g_entries ); } }