272 lines
9 KiB
C++
272 lines
9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <pyuno/pyuno.hxx>
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#include <osl/process.h>
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#include <osl/file.hxx>
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#include <osl/thread.h>
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#include <rtl/ustrbuf.hxx>
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#include <rtl/strbuf.hxx>
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#include <rtl/bootstrap.hxx>
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#include <cppuhelper/implementationentry.hxx>
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#include <cppuhelper/factory.hxx>
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using rtl::OUString;
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using rtl::OUStringBuffer;
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using rtl::OString;
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using pyuno::PyRef;
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using pyuno::Runtime;
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using pyuno::PyThreadAttach;
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using com::sun::star::registry::XRegistryKey;
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using com::sun::star::uno::Reference;
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using com::sun::star::uno::XInterface;
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using com::sun::star::uno::Sequence;
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using com::sun::star::uno::XComponentContext;
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using com::sun::star::uno::RuntimeException;
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namespace pyuno_loader
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{
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static void raiseRuntimeExceptionWhenNeeded() throw ( RuntimeException )
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{
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if( PyErr_Occurred() )
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{
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PyRef excType, excValue, excTraceback;
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PyErr_Fetch( (PyObject **)&excType, (PyObject**)&excValue,(PyObject**)&excTraceback);
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Runtime runtime;
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com::sun::star::uno::Any a = runtime.extractUnoException( excType, excValue, excTraceback );
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OUStringBuffer buf;
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buf.appendAscii( "python-loader:" );
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if( a.hasValue() )
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buf.append( ((com::sun::star::uno::Exception *)a.getValue())->Message );
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throw RuntimeException( buf.makeStringAndClear(), Reference< XInterface> () );
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}
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}
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static PyRef getLoaderModule() throw( RuntimeException )
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{
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PyRef module(
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PyImport_ImportModule( "pythonloader" ),
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SAL_NO_ACQUIRE );
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raiseRuntimeExceptionWhenNeeded();
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if( !module.is() )
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{
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throw RuntimeException(
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OUString( RTL_CONSTASCII_USTRINGPARAM( "pythonloader: Couldn't load pythonloader module" ) ),
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Reference< XInterface > () );
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}
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return PyRef( PyModule_GetDict( module.get() ));
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}
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static PyRef getObjectFromLoaderModule( const char * func )
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throw ( RuntimeException )
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{
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PyRef object( PyDict_GetItemString(getLoaderModule().get(), (char*)func ) );
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if( !object.is() )
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{
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OUStringBuffer buf;
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buf.appendAscii( "pythonloader: couldn't find core element pythonloader." );
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buf.appendAscii( func );
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throw RuntimeException(buf.makeStringAndClear(),Reference< XInterface >());
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}
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return object;
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}
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OUString getImplementationName()
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{
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return OUString( RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.comp.pyuno.Loader" ) );
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}
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Sequence< OUString > getSupportedServiceNames()
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{
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OUString serviceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.loader.Python" ) );
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return Sequence< OUString > ( &serviceName, 1 );
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}
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static void setPythonHome ( const OUString & pythonHome )
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{
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OUString systemPythonHome;
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osl_getSystemPathFromFileURL( pythonHome.pData, &(systemPythonHome.pData) );
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OString o = rtl::OUStringToOString( systemPythonHome, osl_getThreadTextEncoding() );
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#if PY_MAJOR_VERSION >= 3
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// static because Py_SetPythonHome just copies the "wide" pointer
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// PATH_MAX is defined in Python.h
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static wchar_t wide[PATH_MAX + 1];
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size_t len = mbstowcs(wide, o.pData->buffer, PATH_MAX + 1);
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if(len == (size_t)-1)
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{
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PyErr_SetString(PyExc_SystemError, "invalid multibyte sequence in python home path");
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return;
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}
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if(len == PATH_MAX + 1)
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{
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PyErr_SetString(PyExc_SystemError, "python home path is too long");
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return;
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}
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Py_SetPythonHome(wide);
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#else
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rtl_string_acquire(o.pData); // increase reference count
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Py_SetPythonHome(o.pData->buffer);
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#endif
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}
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static void prependPythonPath( const OUString & pythonPathBootstrap )
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{
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rtl::OUStringBuffer bufPYTHONPATH( 256 );
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sal_Int32 nIndex = 0;
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while( 1 )
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{
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sal_Int32 nNew = pythonPathBootstrap.indexOf( ' ', nIndex );
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OUString fileUrl;
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if( nNew == -1 )
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{
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fileUrl = pythonPathBootstrap.copy(nIndex);
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}
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else
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{
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fileUrl = pythonPathBootstrap.copy(nIndex, nNew - nIndex);
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}
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OUString systemPath;
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osl_getSystemPathFromFileURL( fileUrl.pData, &(systemPath.pData) );
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bufPYTHONPATH.append( systemPath );
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bufPYTHONPATH.append( static_cast<sal_Unicode>(SAL_PATHSEPARATOR) );
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if( nNew == -1 )
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break;
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nIndex = nNew + 1;
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}
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const char * oldEnv = getenv( "PYTHONPATH");
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if( oldEnv )
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bufPYTHONPATH.append( rtl::OUString(oldEnv, strlen(oldEnv), osl_getThreadTextEncoding()) );
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rtl::OUString envVar(RTL_CONSTASCII_USTRINGPARAM("PYTHONPATH"));
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rtl::OUString envValue(bufPYTHONPATH.makeStringAndClear());
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osl_setEnvironment(envVar.pData, envValue.pData);
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}
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Reference< XInterface > CreateInstance( const Reference< XComponentContext > & ctx )
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{
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Reference< XInterface > ret;
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if( ! Py_IsInitialized() )
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{
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OUString pythonPath;
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OUString pythonHome;
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OUString path( RTL_CONSTASCII_USTRINGPARAM( "$BRAND_BASE_DIR/program/" SAL_CONFIGFILE("pythonloader.uno" )));
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rtl::Bootstrap::expandMacros(path); //TODO: detect failure
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rtl::Bootstrap bootstrap(path);
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// look for pythonhome
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bootstrap.getFrom( OUString( RTL_CONSTASCII_USTRINGPARAM( "PYUNO_LOADER_PYTHONHOME") ), pythonHome );
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bootstrap.getFrom( OUString( RTL_CONSTASCII_USTRINGPARAM( "PYUNO_LOADER_PYTHONPATH" ) ) , pythonPath );
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// pythonhome+pythonpath must be set before Py_Initialize(), otherwise there appear warning on the console
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// sadly, there is no api for setting the pythonpath, we have to use the environment variable
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if( pythonHome.getLength() )
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setPythonHome( pythonHome );
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if( pythonPath.getLength() )
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prependPythonPath( pythonPath );
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#if WNT
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//extend PATH under windows to include the branddir/program so ssl libs will be found
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//for use by terminal mailmerge dependency _ssl.pyd
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rtl::OUString sEnvName(RTL_CONSTASCII_USTRINGPARAM("PATH"));
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rtl::OUString sPath;
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osl_getEnvironment(sEnvName.pData, &sPath.pData);
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rtl::OUString sBrandLocation(RTL_CONSTASCII_USTRINGPARAM("$BRAND_BASE_DIR/program"));
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rtl::Bootstrap::expandMacros(sBrandLocation);
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osl::FileBase::getSystemPathFromFileURL(sBrandLocation, sBrandLocation);
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sPath = rtl::OUStringBuffer(sPath).
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append(static_cast<sal_Unicode>(SAL_PATHSEPARATOR)).
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append(sBrandLocation).makeStringAndClear();
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osl_setEnvironment(sEnvName.pData, sPath.pData);
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#endif
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#if PY_MAJOR_VERSION >= 3
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PyImport_AppendInittab( (char*)"pyuno", PyInit_pyuno );
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#else
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PyImport_AppendInittab( (char*)"pyuno", initpyuno );
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#endif
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// initialize python
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Py_Initialize();
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PyEval_InitThreads();
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PyThreadState *tstate = PyThreadState_Get();
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PyEval_ReleaseThread( tstate );
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}
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PyThreadAttach attach( PyInterpreterState_Head() );
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{
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if( ! Runtime::isInitialized() )
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{
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Runtime::initialize( ctx );
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}
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Runtime runtime;
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PyRef pyCtx = runtime.any2PyObject(
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com::sun::star::uno::makeAny( ctx ) );
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PyRef clazz = getObjectFromLoaderModule( "Loader" );
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PyRef args ( PyTuple_New( 1 ), SAL_NO_ACQUIRE );
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PyTuple_SetItem( args.get(), 0 , pyCtx.getAcquired() );
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PyRef pyInstance( PyObject_CallObject( clazz.get() , args.get() ), SAL_NO_ACQUIRE );
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runtime.pyObject2Any( pyInstance ) >>= ret;
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}
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return ret;
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}
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}
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static struct cppu::ImplementationEntry g_entries[] =
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{
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{
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pyuno_loader::CreateInstance, pyuno_loader::getImplementationName,
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pyuno_loader::getSupportedServiceNames, cppu::createSingleComponentFactory,
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0 , 0
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},
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{ 0, 0, 0, 0, 0, 0 }
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};
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extern "C"
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{
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SAL_DLLPUBLIC_EXPORT void * SAL_CALL component_getFactory(
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const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey )
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{
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return cppu::component_getFactoryHelper( pImplName, pServiceManager, pRegistryKey , g_entries );
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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