| /************************************************************** |
| * |
| * 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 <pyuno/pyuno.hxx> |
| |
| #include <osl/process.h> |
| #include <osl/file.h> |
| #include <osl/thread.h> |
| |
| #include <rtl/ustrbuf.hxx> |
| #include <rtl/strbuf.hxx> |
| #include <rtl/bootstrap.hxx> |
| |
| #include <cppuhelper/implementationentry.hxx> |
| #include <cppuhelper/factory.hxx> |
| |
| 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() ); |
| rtl_string_acquire(o.pData); // leak this string (thats the api!) |
| Py_SetPythonHome( o.pData->buffer); |
| } |
| |
| 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_Unicode>(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" |
| { |
| |
| //================================================================================================== |
| void SAL_CALL component_getImplementationEnvironment( |
| const sal_Char ** ppEnvTypeName, uno_Environment ** ) |
| { |
| *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME; |
| } |
| //================================================================================================== |
| void * SAL_CALL component_getFactory( |
| const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey ) |
| { |
| return cppu::component_getFactoryHelper( pImplName, pServiceManager, pRegistryKey , g_entries ); |
| } |
| |
| } |
| |