- Merged branch 0.3-r556--SPLIT_PYLOADER_CONFIG back into trunk

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@561 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/pyloader/python_policy_manager.cc

@@ -1,115 +0,0 @@
-// src/backend/pyloader/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"
-#include "../global_settings.hh"
-
-#include <Python.h>
-#include <glibmm/ustring.h>
-#include <glibmm/timer.h>
-
-#include <algorithm>
-#include <cassert>
-#include <functional>
-#include <iostream>
-#include <string>
-#include <unistd.h>
-using namespace sgpem;
-
-
-
-// Concatenate a string with all the policies directories
-struct pol_dirs_concat : public std::unary_function<void, const Glib::ustring&>
-{
-public:
-    pol_dirs_concat(Glib::ustring& cat) : _cat(cat) {}
-    void operator()(const Glib::ustring& add) 
-	{
-	    // Please note that this string will end finishing with
-	    // and additional ","!
-	    _cat += "'" + add + "', ";
-	}
-private:
-    Glib::ustring& _cat;
-};
-
-
-
-//static object
-PythonPolicyManager* PythonPolicyManager::_instance = NULL;
-
-
-PythonPolicyManager::PythonPolicyManager()
-  : _initialized(false)
-{
-  PyEval_InitThreads();
-}
-
-
-PythonPolicyManager* const
-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()
-{
-    if(_initialized)
-      // No-op
-      return;
-  
-  Py_Initialize();
-  _initialized = true;
-  
-  // The following lines are 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.
-  
-  Glib::ustring importdirs = "import sys\n" 
-      "sys.path[:0] = [ ";
-  for_each(GlobalSettings::instance().policies_dir_begin(),
-	   GlobalSettings::instance().policies_dir_end(),
-	   pol_dirs_concat(importdirs));
-  importdirs += " '" MODDIR "' ]\n";
-
-  PyRun_SimpleString(importdirs.c_str());
-
-  // Okay, here we go.
-  // Black magic at work. 
-
-  // FIXME : Hardcoded policy name
-  char* policy_name = "fcfs";
-  //char* policy_name = "sjf";
-  _python_policy = std::auto_ptr<PythonPolicy>(new PythonPolicy(policy_name));
-}