72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
|
// src/backend/python_policy_manager.cc - Copyright 2005, 2006, University
|
||
|
|
// of Padova, dept. of Pure and Applied
|
||
|
|
// Mathematics
|
||
|
|
//
|
||
|
|
// This file is part of SGPEMv2.
|
||
|
|
//
|
||
|
|
// This is free software; you can redistribute it and/or modify
|
||
|
|
// it under the terms of the GNU General Public License as published by
|
||
|
|
// the Free Software Foundation; either version 2 of the License, or
|
||
|
|
// (at your option) any later version.
|
||
|
|
//
|
||
|
|
// SGPEMv2 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 General Public License for more details.
|
||
|
|
//
|
||
|
|
// You should have received a copy of the GNU General Public License
|
||
|
|
// along with SGPEMv2; if not, write to the Free Software
|
||
|
|
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
|
||
|
|
#include "python_policy_manager.hh"
|
||
|
|
|
||
|
|
using namespace sgpem;
|
||
|
|
|
||
|
|
|
||
|
|
//static object
|
||
|
|
PythonPolicyManager* PythonPolicyManager::_instance = NULL;
|
||
|
|
|
||
|
|
|
||
|
|
PythonPolicyManager::PythonPolicyManager() //private constructor. The parameter is discarded
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
PythonPolicyManager&
|
||
|
|
PythonPolicyManager::get_instance()
|
||
|
|
{
|
||
|
|
if(!_instance)
|
||
|
|
_instance = new PythonPolicyManager();
|
||
|
|
return *_instance;
|
||
|
|
}
|
||
|
|
|
||
|
|
Policy&
|
||
|
|
PythonPolicyManager::get_policy()
|
||
|
|
{
|
||
|
|
// FIXME : assumes that _python_policy is always != NULL!
|
||
|
|
return *_python_policy;
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
PythonPolicyManager::init()
|
||
|
|
{
|
||
|
|
static bool initialized = false;
|
||
|
|
|
||
|
|
if(initialized)
|
||
|
|
Py_Finalize();
|
||
|
|
|
||
|
|
Py_Initialize();
|
||
|
|
initialized = true;
|
||
|
|
|
||
|
|
// The following line is ugly, but necessary if we use
|
||
|
|
// non-standard installation directories. Theoretically,
|
||
|
|
// it should be up to the user to set correct
|
||
|
|
// environment variables.
|
||
|
|
// FIXME: find better way to achieve this.
|
||
|
|
|
||
|
|
PyRun_SimpleString("import sys\n"
|
||
|
|
"sys.path[:0] = [ '" MODDIR "', '" PYCDIR "' ]\n");
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|