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/*************************************************************************
*
* $RCSfile: pyuno_loader.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: jbu $ $Date: 2003-05-24 23:20:00 $
*
* 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 <osl/module.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>
#include <pyuno/pyuno.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);
if( excType.is() )
{
PyRef str( PyObject_Repr( excTraceback.get() ), SAL_NO_ACQUIRE );
OUStringBuffer buf;
buf.appendAscii( "python-loader:" );
PyRef valueRep( PyObject_Repr( excValue.get() ), SAL_NO_ACQUIRE );
buf.appendAscii( PyString_AsString( valueRep.get())).appendAscii( ", traceback follows\n" );
buf.appendAscii( PyString_AsString( str.get() ) );
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;
if( osl::Module::getUrlFromAddress( reinterpret_cast<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" ) );
OUString value;
if( osl_Process_E_None != osl_getEnvironment( pythonPath.pData, &value.pData ) ||
value.getLength() == 0 )
{
// otherwise, try to get the PYTHONPATH bootstrap variable
OUString path = getLibDir();
if( path.getLength() )
{
path += OUString( RTL_CONSTASCII_USTRINGPARAM( "/" SAL_CONFIGFILE("pythonloader.uno" )));
rtl::Bootstrap bootstrap(path);
OUString pythonPathBootstrap;
bootstrap.getFrom( pythonPath , pythonPathBootstrap );
OUStringBuffer buf( pythonPathBootstrap.getLength() );
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) );
buf.append( (sal_Unicode) SAL_PATHSEPARATOR );
buf.append( systemPath );
if( nNew == -1 )
break;
nIndex = nNew + 1;
}
rtl::OStringBuffer stringBuffer;
stringBuffer.append( "PYTHONPATH=" );
stringBuffer.append(
rtl::OUStringToOString( buf.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 );
// 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 );
}
}
}
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 );
}
}
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