PythonScriptingSvc Class Reference

This service handles scripting implemented using Python. More...

#include <GaudiPython/PythonScriptingSvc.h>

Inheritance diagram for PythonScriptingSvc:

Collaboration diagram for PythonScriptingSvc:

Public Member Functions
	PythonScriptingSvc (const std::string &name, ISvcLocator *svc)
	Standard Constructor.
virtual StatusCode	initialize ()
	Initialize the service. [IService::initialize()].
virtual StatusCode	finalize ()
	Finalize the service. [IService::finalize()].
virtual StatusCode	run ()
	Run the service by taking full control. [IRunable::run()].
Public Member Functions inherited from extends1< Service, IRunable >
	extends1 (A1 a1, A2 a2, A3 a3)
	Templated constructor with 3 arguments.
	extends1 (A1 a1, A2 a2)
	Templated constructor with 2 arguments.
	extends1 (A1 a1)
	Templated constructor with 1 argument.
	extends1 ()
	Default constructor.
virtual void *	i_cast (const InterfaceID &tid) const
	Implementation of IInterface::i_cast.
virtual StatusCode	queryInterface (const InterfaceID &ti, void **pp)
	Implementation of IInterface::queryInterface.
virtual std::vector< std::string >	getInterfaceNames () const
	Implementation of IInterface::getInterfaceNames.
virtual	~extends1 ()
	Virtual destructor.
Public Member Functions inherited from Service
virtual unsigned long	release ()
	Release Interface instance.
virtual const std::string &	name () const
	Retrieve name of the service.
virtual StatusCode	configure ()
virtual StatusCode	start ()
virtual StatusCode	stop ()
virtual StatusCode	terminate ()
virtual Gaudi::StateMachine::State	FSMState () const
virtual Gaudi::StateMachine::State	targetFSMState () const
virtual StatusCode	reinitialize ()
virtual StatusCode	restart ()
virtual StatusCode	sysInitialize ()
	Initialize Service.
virtual StatusCode	sysStart ()
	Initialize Service.
virtual StatusCode	sysStop ()
	Initialize Service.
virtual StatusCode	sysFinalize ()
	Finalize Service.
virtual StatusCode	sysReinitialize ()
	Re-initialize the Service.
virtual StatusCode	sysRestart ()
	Re-initialize the Service.
virtual StatusCode	setProperty (const Property &p)
virtual StatusCode	setProperty (const std::string &s)
virtual StatusCode	setProperty (const std::string &n, const std::string &v)
virtual StatusCode	getProperty (Property *p) const
virtual const Property &	getProperty (const std::string &name) const
virtual StatusCode	getProperty (const std::string &n, std::string &v) const
virtual const std::vector < Property * > &	getProperties () const
template<class TYPE >
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value
	Service (const std::string &name, ISvcLocator *svcloc)
	Standard Constructor.
SmartIF< ISvcLocator > &	serviceLocator () const
	Retrieve pointer to service locator.
StatusCode	setProperties ()
	Method for setting declared properties to the values specified for the job.
template<class T >
StatusCode	service (const std::string &name, const T *&psvc, bool createIf=true) const
	Access a service by name, creating it if it doesn't already exist.
template<class T >
StatusCode	service (const std::string &name, T *&psvc, bool createIf=true) const
template<class T >
StatusCode	service (const std::string &svcType, const std::string &svcName, T *&psvc) const
	Access a service by name and type, creating it if it doesn't already exist.
template<class T >
Property *	declareProperty (const std::string &name, T &property, const std::string &doc="none") const
	Declare the named property.
Property *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="") const
	Declare remote named properties.
SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked.
Public Member Functions inherited from CommonMessaging< implements3< IService, IProperty, IStateful > >
	CommonMessaging (const A1 &a1, const A2 &a2, const A3 &a3)
	Templated constructor with 3 arguments.
	CommonMessaging (const A1 &a1, const A2 &a2)
	Templated constructor with 2 arguments.
	CommonMessaging (const A1 &a1)
	Templated constructor with 1 argument.
	CommonMessaging ()
	Default constructor.
virtual	~CommonMessaging ()
	Virtual destructor.
SmartIF< IMessageSvc > &	msgSvc () const
	The standard message service.
MsgStream &	msgStream () const
	Return an uninitialized MsgStream.
MsgStream &	msgStream (const MSG::Level level) const
	Predefined configurable message stream for the efficient printouts.
MsgStream &	always () const
	shortcut for the method msgStream(MSG::ALWAYS)
MsgStream &	fatal () const
	shortcut for the method msgStream(MSG::FATAL)
MsgStream &	err () const
	shortcut for the method msgStream(MSG::ERROR)
MsgStream &	error () const
	shortcut for the method msgStream(MSG::ERROR)
MsgStream &	warning () const
	shortcut for the method msgStream(MSG::WARNING)
MsgStream &	info () const
	shortcut for the method msgStream(MSG::INFO)
MsgStream &	debug () const
	shortcut for the method msgStream(MSG::DEBUG)
MsgStream &	verbose () const
	shortcut for the method msgStream(MSG::VERBOSE)
MsgStream &	msg () const
	shortcut for the method msgStream(MSG::INFO)
MSG::Level	msgLevel () const
	get the output level from the embedded MsgStream
bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream
Public Member Functions inherited from extend_interfaces1< IRunable >
virtual	~extend_interfaces1 ()
	Virtual destructor.
Public Member Functions inherited from IRunable
	DeclareInterfaceID (IRunable, 2, 0)
	InterfaceID.
Public Member Functions inherited from IInterface
virtual unsigned long	addRef ()=0
	Increment the reference count of Interface instance.
virtual unsigned long	release ()=0
	Release Interface instance.
virtual unsigned long	refCount () const =0
	Current reference count.
virtual	~IInterface ()
	Virtual destructor.

Protected Member Functions
virtual	~PythonScriptingSvc ()
	Destructor.

Private Attributes
std::string	m_startupScript
	Startup script.

Additional Inherited Members
Public Types inherited from extends1< Service, IRunable >
typedef extends1	base_class
	Typedef to this class.
typedef extend_interfaces1 < IRunable >	extend_interfaces_base
	Typedef to the base of this class.
typedef extend_interfaces_base::ext_iids	interfaces
	MPL set of all the implemented interfaces.
Static Public Member Functions inherited from IInterface
static const InterfaceID &	interfaceID ()
	Return an instance of InterfaceID identifying the interface.
Protected Attributes inherited from Service
IntegerProperty	m_outputLevel
	Service output level.
Gaudi::StateMachine::State	m_state
	Service state.
Gaudi::StateMachine::State	m_targetState
	Service state.

Detailed Description

This service handles scripting implemented using Python.

Author

Pere Mato

David Quarrie

Date

2001

Definition at line 16 of file PythonScriptingSvc.h.

Constructor & Destructor Documentation

PythonScriptingSvc::PythonScriptingSvc	(	const std::string &	name,
		ISvcLocator *	svc
	)

Standard Constructor.

Definition at line 26 of file PythonScriptingSvc.cpp.

: base_class(name, svc) {
  // Declare the startup script Property
  declareProperty( "StartupScript", m_startupScript = "" );
}

PythonScriptingSvc::~PythonScriptingSvc ( )

protectedvirtual

Destructor.

Definition at line 34 of file PythonScriptingSvc.cpp.

{ }

Member Function Documentation

StatusCode PythonScriptingSvc::finalize ( )

virtual

Finalize the service. [IService::finalize()].

Reimplemented from Service.

Definition at line 100 of file PythonScriptingSvc.cpp.

{
  // Finalize this specific service
  StatusCode sc = Service::finalize();
  if ( sc.isFailure() ) {
      return sc;
  }

  // Shutdown the Python interpreter
  Py_Finalize();
  return StatusCode::SUCCESS;
}

StatusCode PythonScriptingSvc::initialize ( )

virtual

Initialize the service. [IService::initialize()].

Reimplemented from Service.

Definition at line 38 of file PythonScriptingSvc.cpp.

{
  // initialize the Service Base class
  StatusCode sc = Service::initialize();
  if ( sc.isFailure() ) return sc;

  MsgStream log( msgSvc(), name() );

  // Setup startup script. If none is explicitly specified, then
  // use the ApplicationMgr JobOptionsPath property as long as
  // the JobOptionsType property is set to "NONE".
  if( m_startupScript == "" ) {
    SmartIF<IProperty> prpMgr(serviceLocator());
    if ( prpMgr.isValid() )   {
      StringProperty tmp;
      tmp.assign(prpMgr->getProperty("JobOptionsType"));
      if ( tmp.value( ) == "NONE" ) {
        tmp.assign(prpMgr->getProperty("JobOptionsPath"));
        m_startupScript = tmp;
      }
    }
  }

  char* progName[] = { const_cast<char*>("GaudiPython") };

  // Initialize the Python interpreter.  Required.
  Py_Initialize();
  // Set argv for Tkinter (needs program name)
  PySys_SetArgv( 1, progName );
  // Get the Python version
  std::string fullversion = Py_GetVersion();
  std::string version( fullversion, 0, fullversion.find_first_of(' '));
  std::string vers(version, 0, version.find_first_of('.',version.find_first_of('.')+1));
  log << MSG::INFO << "Python version: [" << vers << "]" << endmsg;

#if defined(linux)
  // This is hack to make global the python symbols
  // which are needed by the other python modules
  // (eg. readline, math, etc,) libraries.
  std::string libname = "libpython" + vers + ".so";
  dlopen(libname.c_str(), RTLD_GLOBAL | RTLD_LAZY);
#endif


  // Startup commands
  PyRun_SimpleString( "from gaudimodule import *" );
  PyRun_SimpleString( "g      = AppMgr()" );
  // backward compatibility with SIPython
  PyRun_SimpleString( "theApp = g" );
  PyRun_SimpleString( "def Service(n): return g.service(n)" );
  PyRun_SimpleString( "def Algorithm(n): return g.algorithm(n)" );
  PyRun_SimpleString( "def Property(n): return g.service(n)" );
  // For command-line completion (unix only)
#if !defined( _WIN32 )
  PyRun_SimpleString( "import rlcompleter");
  PyRun_SimpleString( "rlcompleter.readline.parse_and_bind('tab: complete')");
#endif
  return StatusCode::SUCCESS;
}

StatusCode PythonScriptingSvc::run ( )

virtual

Run the service by taking full control. [IRunable::run()].

Implements IRunable.

Definition at line 115 of file PythonScriptingSvc.cpp.

{
  MsgStream log( msgSvc(), name() );
  if ( m_startupScript != "" ) {
    std::ifstream file(m_startupScript.c_str());
    std::stringstream stream;
    if( file ) {
      char ch;
      while( file.get(ch) ) stream.put(ch);
      PyRun_SimpleString( const_cast<char*>(stream.str().c_str()) );
      file.close();
    }
    else {
      log << MSG::WARNING << "Python startup file " << m_startupScript << " not found" << endmsg;
    }
  }
  PyRun_InteractiveLoop(stdin, "\0");
  return StatusCode::SUCCESS;
}

Member Data Documentation

std::string PythonScriptingSvc::m_startupScript

private

Startup script.

Definition at line 36 of file PythonScriptingSvc.h.

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The documentation for this class was generated from the following files:

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r8/GaudiPython/src/Services/PythonScriptingSvc.h
• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r8/GaudiPython/src/Services/PythonScriptingSvc.cpp