PythonProcessDesc Class Reference

#include <PythonProcessDesc.h>

Public Member Functions
void	addService (PythonParameterSet &pset)
std::string	dump () const
PythonParameterSet	newPSet () const
boost::shared_ptr < edm::ProcessDesc >	processDesc ()
	PythonProcessDesc ()
	PythonProcessDesc (std::string const &config)
	PythonProcessDesc (std::string const &config, int argc, char *argv[])

Private Member Functions
void	prepareToRead ()
void	read (std::string const &config)
void	readFile (std::string const &fileName)
void	readString (std::string const &pyConfig)

Private Attributes
boost::python::object	theMainModule
boost::python::object	theMainNamespace
PythonParameterSet	theProcessPSet
std::vector< PythonParameterSet >	theServices

Detailed Description

Definition at line 16 of file PythonProcessDesc.h.

Constructor & Destructor Documentation

PythonProcessDesc::PythonProcessDesc

(

)

Definition at line 11 of file PythonProcessDesc.cc.

:  theProcessPSet(),
   theServices(),
   theMainModule(),
   theMainNamespace()
{
}

PythonProcessDesc::PythonProcessDesc

(

std::string const &

config

)

This constructor will parse the given file or string and create two objects in python-land: a PythonProcessDesc named 'processDesc' a PythonParameterSet named 'processPSet' It decides whether it's a file or string by seeing if it ends in '.py'

Definition at line 20 of file PythonProcessDesc.cc.

References prepareToRead(), and read().

:  theProcessPSet(),
   theServices(),
   theMainModule(),
   theMainNamespace()
{
  prepareToRead();
  read(config);
  Py_Finalize();
}

PythonProcessDesc::PythonProcessDesc	(	std::string const &	config,
		int	argc,
		char *	argv[]
	)

Definition at line 31 of file PythonProcessDesc.cc.

References prepareToRead(), and read().

:  theProcessPSet(),
   theServices(),
   theMainModule(),
   theMainNamespace()
{
  prepareToRead();
  PySys_SetArgv(argc, argv);
  read(config);
  Py_Finalize();
}

Member Function Documentation

void PythonProcessDesc::addService ( PythonParameterSet &  pset )

inline

Definition at line 31 of file PythonProcessDesc.h.

References theServices.

Referenced by BOOST_PYTHON_MODULE().

{theServices.push_back(pset);}

std::string PythonProcessDesc::dump

(

void

)

const

Definition at line 117 of file PythonProcessDesc.cc.

References PythonParameterSet::dump(), theProcessPSet, and theServices.

Referenced by BOOST_PYTHON_MODULE().

{
  std::ostringstream os;
  os << theProcessPSet.dump();
  BOOST_FOREACH(PythonParameterSet service, theServices)
  {
    os << service.dump();
  }
  return os.str();
}

PythonParameterSet PythonProcessDesc::newPSet ( ) const

inline

Definition at line 33 of file PythonProcessDesc.h.

Referenced by BOOST_PYTHON_MODULE().

{return PythonParameterSet();}

void PythonProcessDesc::prepareToRead ( )

private

Definition at line 44 of file PythonProcessDesc.cc.

References edm::python::initializeModule(), dbtoconf::object, theMainModule, theMainNamespace, and theProcessPSet.

Referenced by PythonProcessDesc().

{
  edm::python::initializeModule();

  theMainModule = object(handle<>(borrowed(PyImport_AddModule(const_cast<char *>("__main__")))));

  theMainNamespace = theMainModule.attr("__dict__");
  theMainNamespace["processDesc"] = ptr(this);
  theMainNamespace["processPSet"] = ptr(&theProcessPSet);
}

boost::shared_ptr< edm::ProcessDesc > PythonProcessDesc::processDesc

(

)

Definition at line 106 of file PythonProcessDesc.cc.

References PythonParameterSet::pset(), query::result, theProcessPSet, and theServices.

Referenced by edm::EventProcessor::EventProcessor(), evf::FWEPWrapper::init(), main(), edm::makeParameterSets(), stor::parseStreamConfiguration(), and edm::readConfig().

{
  boost::shared_ptr<edm::ProcessDesc> result(new edm::ProcessDesc(theProcessPSet.pset()));
  BOOST_FOREACH(PythonParameterSet service, theServices)
  {
    result->addService(service.pset());
  }
  return result;
}

void PythonProcessDesc::read ( std::string const &  config )

private

Definition at line 56 of file PythonProcessDesc.cc.

References edm::pythonToCppException(), readFile(), and readString().

Referenced by PythonProcessDesc().

{  
  try {
    // if it ends with py, it's a file
    if(config.substr(config.size()-3) == ".py")
    {
      readFile(config);
    }
    else
    {
      readString(config);
    }
  }
  catch( error_already_set ) {
     edm::pythonToCppException("Configuration");
     Py_Finalize();
  }
}

void PythonProcessDesc::readFile ( std::string const &  fileName )

private

Definition at line 76 of file PythonProcessDesc.cc.

References edmPickEvents::command, and theMainNamespace.

Referenced by read().

{
  std::string initCommand("import FWCore.ParameterSet.Config as cms\n"
                      "execfile('");
  initCommand += fileName + "')";


  handle<>(PyRun_String(initCommand.c_str(),
                        Py_file_input,
                        theMainNamespace.ptr(),
                        theMainNamespace.ptr()));
  std::string command("process.fillProcessDesc(processDesc, processPSet)");
  handle<>(PyRun_String(command.c_str(),
                        Py_eval_input,
                        theMainNamespace.ptr(),
                        theMainNamespace.ptr()));
}

void PythonProcessDesc::readString ( std::string const &  pyConfig )

private

Definition at line 95 of file PythonProcessDesc.cc.

References edmPickEvents::command, and theMainNamespace.

Referenced by read().

{
  std::string command = pyConfig;
  command += "\nprocess.fillProcessDesc(processDesc, processPSet)";
  handle<>(PyRun_String(command.c_str(),
                        Py_file_input,
                        theMainNamespace.ptr(),
                        theMainNamespace.ptr()));
}

Member Data Documentation

boost::python::object PythonProcessDesc::theMainModule

private

Definition at line 48 of file PythonProcessDesc.h.

Referenced by prepareToRead().

boost::python::object PythonProcessDesc::theMainNamespace

private

Definition at line 49 of file PythonProcessDesc.h.

Referenced by prepareToRead(), readFile(), and readString().

PythonParameterSet PythonProcessDesc::theProcessPSet

private

Definition at line 46 of file PythonProcessDesc.h.

Referenced by dump(), prepareToRead(), and processDesc().

std::vector<PythonParameterSet> PythonProcessDesc::theServices

private

Definition at line 47 of file PythonProcessDesc.h.

Referenced by addService(), dump(), and processDesc().