PythonManager Class Reference

#include <PythonManager.h>

Static Public Member Functions
static PythonManagerHandle	handle ()

Private Member Functions
void	decrement ()
void	increment ()
	PythonManager ()
	~PythonManager ()

Private Attributes
std::string	initCommand_
unsigned long	refCount_

Friends
class	PythonManagerHandle

Detailed Description

Definition at line 24 of file PythonManager.h.

Constructor & Destructor Documentation

PythonManager::PythonManager ( )

private

Definition at line 37 of file PythonManager.cc.

References edm::hlt::Exception, initCommand_, initlibFWCorePython(), and query::result.

                                 :
        refCount_(0),
        initCommand_(
            "import sys\n"
        "sys.path.append('./')\n"
            "import ROOT\n"
            "ROOT.gSystem.Load(\"libFWCoreFWLite\")\n"
            "ROOT.AutoLibraryLoader.enable()\n"
            "import libFWCorePython as edm\n")
    {
       Py_InitializeEx(0);
       using namespace boost::python;

       if(PyImport_AppendInittab(const_cast<char *>("libFWCorePython"),initlibFWCorePython)==-1) {
         throw cms::Exception("InitializationFailure" )
      <<"failed to add libFWCorePython python module to python interpreter";
       }
       object main_module((
                           boost::python::handle<PyObject>(borrowed(PyImport_AddModule(const_cast<char *>("__main__"))))));
       object main_namespace = main_module.attr("__dict__");
       try {
           object result((boost::python::handle<>(PyRun_String(initCommand_.c_str(),
                           Py_file_input,
                       main_namespace.ptr(),
                       main_namespace.ptr()))));

       } catch(...  ) {
     throw cms::Exception("Configuration") << "test";
       }

    }

PythonManager::~PythonManager ( )

inlineprivate

Definition at line 31 of file PythonManager.h.

{ Py_Finalize(); }

Member Function Documentation

void PythonManager::decrement ( )

inlineprivate

Definition at line 33 of file PythonManager.h.

References refCount_.

Referenced by PythonManagerHandle::~PythonManagerHandle().

{ --refCount_; if(0==refCount_) delete this; }

PythonManagerHandle PythonManager::handle ( )

static

Definition at line 32 of file PythonManager.cc.

References PythonManagerHandle.

                                              {
        static PythonManager s_manager;
        return PythonManagerHandle( s_manager);
    }

void PythonManager::increment ( )

inlineprivate

Definition at line 32 of file PythonManager.h.

References refCount_.

Referenced by PythonManagerHandle::PythonManagerHandle().

{ ++refCount_; }

Friends And Related Function Documentation

friend class PythonManagerHandle

friend

Definition at line 26 of file PythonManager.h.

Referenced by handle().

Member Data Documentation

std::string PythonManager::initCommand_

private

Definition at line 35 of file PythonManager.h.

Referenced by PythonManager().

unsigned long PythonManager::refCount_

private

Definition at line 34 of file PythonManager.h.

Referenced by decrement(), and increment().