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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: pyuno_loader.cxx,v $
* $Revision: 1.11 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 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::OStringBuffer bufPYTHONPATH( 256 );
bufPYTHONPATH.append( "PYTHONPATH=");
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( rtl::OUStringToOString( systemPath.pData, osl_getThreadTextEncoding() ));
bufPYTHONPATH.append( SAL_PATHSEPARATOR );
if( nNew == -1 )
break;
nIndex = nNew + 1;
}
const char * oldEnv = getenv( "PYTHONPATH");
if( oldEnv )
bufPYTHONPATH.append( oldEnv );
OString result = bufPYTHONPATH.makeStringAndClear();
rtl_string_acquire( result.pData );
// printf( "Setting %s\n" , result.pData->buffer );
putenv( result.pData->buffer );
}
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;
}
//==================================================================================================
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 );
}
}
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