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.
StatusCode	initialize () override
	Initialize the service. [IService::initialize()].
StatusCode	finalize () override
	Finalize the service. [IService::finalize()].
StatusCode	run () override
	Run the service by taking full control. [IRunable::run()].
	~PythonScriptingSvc () override
	Destructor.
Public Member Functions inherited from extends< Service, IRunable >
void const *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast.
StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface.
std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames.
Public Member Functions inherited from Service
const std::string &	name () const override
	Retrieve name of the service.
StatusCode	configure () override
StatusCode	initialize () override
StatusCode	start () override
StatusCode	stop () override
StatusCode	finalize () override
StatusCode	terminate () override
Gaudi::StateMachine::State	FSMState () const override
Gaudi::StateMachine::State	targetFSMState () const override
StatusCode	reinitialize () override
StatusCode	restart () override
StatusCode	sysInitialize () override
	Initialize Service.
StatusCode	sysStart () override
	Initialize Service.
StatusCode	sysStop () override
	Initialize Service.
StatusCode	sysFinalize () override
	Finalize Service.
StatusCode	sysReinitialize () override
	Re-initialize the Service.
StatusCode	sysRestart () override
	Re-initialize the Service.
	Service (std::string name, ISvcLocator *svcloc)
	Standard Constructor.
SmartIF< ISvcLocator > &	serviceLocator () const override
	Retrieve pointer to service locator.
template<typename IFace = IService>
SmartIF< IFace >	service (const std::string &name, bool createIf=true) const
template<class T>
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandle< T > &hndl, const std::string &doc="none")
template<class T>
StatusCode	declareTool (ToolHandle< T > &handle, bool createIf=true)
template<class T>
StatusCode	declareTool (ToolHandle< T > &handle, const std::string &toolTypeAndName, bool createIf=true)
	Declare used tool.
template<class T>
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandleArray< T > &hndlArr, const std::string &doc="none")
template<class T>
void	addToolsArray (ToolHandleArray< T > &hndlArr)
const std::vector< IAlgTool * > &	tools () const
SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked.
Public Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
StatusCode	setProperty (const Gaudi::Details::PropertyBase &p)
	Set the property from a property.
StatusCode	setProperty (const std::string &name, const char *v)
	Special case for string literals.
StatusCode	setProperty (const std::string &name, const std::string &v)
	Special case for std::string.
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value
	PropertyHolder ()=default
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Details::PropertyBase &prop)
	Declare a property.
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, TYPE &value, const std::string &doc="none")
	Helper to wrap a regular data member and use it as a regular property.
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, Gaudi::Property< TYPE, VERIFIER, HANDLERS > &prop, const std::string &doc="none")
	Declare a PropertyBase instance setting name and documentation.
Gaudi::Details::PropertyBase *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="")
	Declare a remote property.
StatusCode	setProperty (const std::string &name, const Gaudi::Details::PropertyBase &p) override
	set the property from another property with a different name
StatusCode	setProperty (const std::string &s) override
	set the property from the formatted string
StatusCode	setProperty (const Gaudi::Details::PropertyBase &p)
	Set the property from a property.
StatusCode	setProperty (const std::string &name, const char *v)
	Special case for string literals.
StatusCode	setProperty (const std::string &name, const std::string &v)
	Special case for std::string.
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value
StatusCode	setPropertyRepr (const std::string &n, const std::string &r) override
	set the property from name and value string representation
StatusCode	getProperty (Gaudi::Details::PropertyBase *p) const override
	get the property
const Gaudi::Details::PropertyBase &	getProperty (std::string_view name) const override
	get the property by name
StatusCode	getProperty (std::string_view n, std::string &v) const override
	convert the property to the string
const std::vector< Gaudi::Details::PropertyBase * > &	getProperties () const override
	get all properties
bool	hasProperty (std::string_view name) const override
	Return true if we have a property with the given name.
Gaudi::Details::PropertyBase *	property (std::string_view name) const
	\fixme property and bindPropertiesTo should be protected
void	bindPropertiesTo (Gaudi::Interfaces::IOptionsSvc &optsSvc)
	PropertyHolder (const PropertyHolder &)=delete
PropertyHolder &	operator= (const PropertyHolder &)=delete
Public Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
MSG::Level	msgLevel () const
	get the cached level (originally extracted from the embedded MsgStream)
bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream
Public Member Functions inherited from CommonMessagingBase
virtual	~CommonMessagingBase ()=default
	Virtual destructor.
const 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)

Private Attributes
std::string	m_startupScript
	Startup script.

Additional Inherited Members
Public Types inherited from extends< Service, IRunable >
using	base_class
	Typedef to this class.
using	extend_interfaces_base
	Typedef to the base of this class.
Public Types inherited from Service
using	Factory = Gaudi::PluginService::Factory<IService*( const std::string&, ISvcLocator* )>
Public Types inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
using	PropertyHolderImpl
	Typedef used to refer to this class from derived classes, as in.
Public Types inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
using	base_class
Public Types inherited from extend_interfaces< Interfaces... >
using	ext_iids
	take union of the ext_iids of all Interfaces...
Protected Member Functions inherited from Service
std::vector< IAlgTool * > &	tools ()
	~Service () override
int	outputLevel () const
	get the Service's output level
Protected Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
MSG::Level	setUpMessaging () const
	Set up local caches.
MSG::Level	resetMessaging ()
	Reinitialize internal states.
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream.
Protected Attributes inherited from Service
Gaudi::StateMachine::State	m_state = Gaudi::StateMachine::OFFLINE
	Service state.
Gaudi::StateMachine::State	m_targetState = Gaudi::StateMachine::OFFLINE
	Service state.
Gaudi::Property< int >	m_outputLevel { this, "OutputLevel", MSG::NIL, "output level" }
	flag indicating whether ToolHandle tools have been added to m_tools
Gaudi::Property< bool >	m_auditorInitialize { this, "AuditInitialize", false, "trigger auditor on initialize()" }
Gaudi::Property< bool >	m_auditorStart { this, "AuditStart", false, "trigger auditor on start()" }
Gaudi::Property< bool >	m_auditorStop { this, "AuditStop", false, "trigger auditor on stop()" }
Gaudi::Property< bool >	m_auditorFinalize { this, "AuditFinalize", false, "trigger auditor on finalize()" }
Gaudi::Property< bool >	m_auditorReinitialize { this, "AuditReinitialize", false, "trigger auditor on reinitialize()" }
Gaudi::Property< bool >	m_auditorRestart { this, "AuditRestart", false, "trigger auditor on restart()" }
Gaudi::Property< bool >	m_autoRetrieveTools
Gaudi::Property< bool >	m_checkToolDeps
SmartIF< IAuditorSvc >	m_pAuditorSvc
	Auditor Service.

Detailed Description

This service handles scripting implemented using Python.

Author

Pere Mato

David Quarrie

Date

2001

Definition at line 24 of file PythonScriptingSvc.h.

Constructor & Destructor Documentation

PythonScriptingSvc()

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

Standard Constructor.

Definition at line 34 of file PythonScriptingSvc.cpp.

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

~PythonScriptingSvc()

PythonScriptingSvc::~PythonScriptingSvc ( )

override

Destructor.

Definition at line 42 of file PythonScriptingSvc.cpp.

{}

Member Function Documentation

finalize()

StatusCode PythonScriptingSvc::finalize ( )

override

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

Definition at line 110 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;
}

initialize()

StatusCode PythonScriptingSvc::initialize ( )

override

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

Definition at line 46 of file PythonScriptingSvc.cpp.

{
  // initialize the Service Base class
  StatusCode sc = Service::initialize();
  if ( sc.isFailure() ) return sc;
 
  // 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.empty() ) {
    auto prpMgr = serviceLocator()->as<IProperty>();
    if ( prpMgr ) {
      Gaudi::Property<std::string> tmp;
      tmp.assign( prpMgr->getProperty( "JobOptionsType" ) );
      if ( tmp.value() == "NONE" ) {
        tmp.assign( prpMgr->getProperty( "JobOptionsPath" ) );
        m_startupScript = tmp;
      }
    }
  }
 
  wchar_t* progName[] = { const_cast<wchar_t*>( L"GaudiPython" ) };
 
  PyStatus status;
 
  PyConfig config;
  PyConfig_InitPythonConfig( &config );
 
  status = PyConfig_SetString( &config, &config.program_name, progName[0] );
  // Set argv for Tkinter (needs program name)
  status = PyConfig_SetArgv( &config, 1, progName );
  status = Py_InitializeFromConfig( &config );
  PyConfig_Clear( &config );
 
  // 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 ) );
  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
  PyRun_SimpleString( "import rlcompleter" );
  PyRun_SimpleString( "rlcompleter.readline.parse_and_bind('tab: complete')" );
  return StatusCode::SUCCESS;
}

run()

StatusCode PythonScriptingSvc::run ( )

override

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

Definition at line 123 of file PythonScriptingSvc.cpp.

{
  if ( !m_startupScript.empty() ) {
    std::ifstream     file{ m_startupScript };
    std::stringstream stream;
    if ( file ) {
      std::string buffer;
      file.seekg( 0, std::ios::end );
      buffer.reserve( file.tellg() );
      file.seekg( 0, std::ios::beg );
      buffer.assign( ( std::istreambuf_iterator<char>{ file } ), std::istreambuf_iterator<char>{} );
      file.close();
      PyRun_SimpleString( buffer.c_str() );
    } else {
      warning() << "Python startup file " << m_startupScript << " not found" << endmsg;
    }
  }
  PyRun_InteractiveLoop( stdin, "\0" );
  return StatusCode::SUCCESS;
}

Member Data Documentation

m_startupScript

std::string PythonScriptingSvc::m_startupScript

private

Startup script.

Definition at line 44 of file PythonScriptingSvc.h.

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

• GaudiPython/src/Services/PythonScriptingSvc.h
• GaudiPython/src/Services/PythonScriptingSvc.cpp