PyAthena::Aud Class Reference

#include <PyAthenaAud.h>

Inheritance diagram for PyAthena::Aud:

Collaboration diagram for PyAthena::Aud:

Public Member Functions
	Aud (const std::string &name, ISvcLocator *svcLocator)
	Constructor with parameters:
virtual	~Aud ()
	Destructor:
virtual StatusCode	initialize () override
	Gaudi Aud Implementation.
virtual StatusCode	sysInitialize () override
virtual StatusCode	finalize () override
virtual const char *	typeName () const override
	return the std::type_info name of the underlying py-component This is used by concrete implementations to connect a python component to its C++ counter-part
virtual void	before (const std::string &evt, const std::string &name, const EventContext &ctx) override
	Auditor interface
virtual void	after (const std::string &evt, const std::string &name, const EventContext &ctx, const StatusCode &sc) override
virtual PyObject *	self () override
	return associated python object.
	DeclareInterfaceID (IPyComponent, 1, 0)

Protected Member Functions
virtual bool	setPyAttr (PyObject *pyobj) override
	attach the C++ component to its python cousin

Protected Attributes
PyObject *	m_self
	Pointer to self (from the python world)

Private Member Functions
	Aud ()
	Default constructor:

Detailed Description

Definition at line 30 of file PyAthenaAud.h.

Constructor & Destructor Documentation

Aud() [1/2]

PyAthena::Aud::Aud	(	const std::string &	name,
		ISvcLocator *	svcLocator )

Constructor with parameters:

Definition at line 42 of file PyAthenaAud.cxx.

                                                         :
  Gaudi::Auditor( name, svcLocator ),
  m_self   ( nullptr )
{}

~Aud()

PyAthena::Aud::~Aud ( )

virtual

Destructor:

Definition at line 49 of file PyAthenaAud.cxx.

{ 
  if ( m_self ) {
    RootUtils::PyGILStateEnsure ensure;
    Py_DECREF( m_self );
    m_self = nullptr;
  }
}

Aud() [2/2]

PyAthena::Aud::Aud ( )

private

Default constructor:

Member Function Documentation

after()

void PyAthena::Aud::after ( const std::string & evt, const std::string & name, const EventContext & ctx, const StatusCode & sc )

overridevirtual

Definition at line 117 of file PyAthenaAud.cxx.

{
  std::string evtname = evt;
  std::transform(evt.begin(), evt.end(), evtname.begin(), ::tolower);
  PyAthena::pyAudit (m_self, "after", evtname.c_str(), name.c_str(), sc);
}

before()

void PyAthena::Aud::before ( const std::string & evt, const std::string & name, const EventContext & ctx )

overridevirtual

Auditor interface

Definition at line 108 of file PyAthenaAud.cxx.

{
  std::string evtname = evt;
  std::transform(evt.begin(), evt.end(), evtname.begin(), ::tolower);
  PyAthena::pyAudit (m_self, "before", evtname.c_str(), name.c_str());
}

DeclareInterfaceID()

IPyComponent::DeclareInterfaceID ( IPyComponent , 1 , 0  )

inherited

finalize()

StatusCode PyAthena::Aud::finalize ( )

overridevirtual

Definition at line 87 of file PyAthenaAud.cxx.

{
  return PyAthena::callPyMethod( m_self, "sysFinalize" );
}

initialize()

StatusCode PyAthena::Aud::initialize ( )

overridevirtual

Gaudi Aud Implementation.

Definition at line 61 of file PyAthenaAud.cxx.

{
  return PyAthena::callPyMethod( m_self, "sysInitialize" );
}

self()

virtual PyObject * PyAthena::Aud::self ( )

inlineoverridevirtual

return associated python object.

BORROWED reference.

Implements IPyComponent.

Definition at line 68 of file PyAthenaAud.h.

{ return m_self; }

setPyAttr()

bool PyAthena::Aud::setPyAttr ( PyObject * pyobj )

overrideprotectedvirtual

attach the C++ component to its python cousin

Implements IPyComponent.

Definition at line 130 of file PyAthenaAud.cxx.

{
  // now we tell the PyObject which C++ object it is the cousin of.
  RootUtils::PyGILStateEnsure ensure;
  PyObject* pyobj = TPython::CPPInstance_FromVoidPtr
    ( (void*)this, this->typeName() );
  if ( !pyobj ) {
    PyErr_Clear();
    // try PyAthena::Aud
    pyobj = TPython::CPPInstance_FromVoidPtr ((void*)this, "PyAthena::Aud");
    MsgStream msg( msgSvc(), name() );
    msg << MSG::INFO
        << "could not dyncast component [" << name() << "] to a python "
        << "object of type [" << this->typeName() << "] (probably a missing "
        << "dictionary)" << endmsg
        << "fallback to [PyAthena::Aud]..."
        << endmsg;
  }
  if ( !pyobj ) {
    PyErr_Clear();
    MsgStream msg( msgSvc(), name() );
    msg << MSG::WARNING << "Could not dyncast component ["
        << name() << "] to a pyobject of type [" 
        << this->typeName() << "]"
        << endmsg;
  } else {
    if ( -1 == PyObject_SetAttrString(o, "_cppHandle", pyobj) ) {
      PyErr_Clear();
      MsgStream msg( msgSvc(), name() );
      msg << MSG::WARNING 
          << "Could not attach C++ handle [" << name() << "] to its python "
          << "cousin !"
          << endmsg;
      if ( -1 == PyObject_SetAttrString(o, "_cppHandle", Py_None) ) {
        PyErr_Clear();
        msg << MSG::WARNING
            << "could not attach a dummy C++ handle [" << name() << "] to its "
            << "python cousin !"
            << endmsg;
      }
    } else {
      return true;
    }
  }
  return false;
}

sysInitialize()

StatusCode PyAthena::Aud::sysInitialize ( )

overridevirtual

Definition at line 67 of file PyAthenaAud.cxx.

{
  ServiceHandle<IPyComponentMgr> pyMgr
    ( "PyAthena::PyComponentMgr/PyComponentMgr", name() );
  if ( !pyMgr.retrieve().isSuccess() ) {
    return StatusCode::FAILURE;
  }
 
  // first retrieve our python object cousin...
  m_self = pyMgr->pyObject( this );
 
  if ( m_self == Py_None ) {
    return StatusCode::FAILURE;
  }
 
  // re-route to usual sysInit...
  return Gaudi::Auditor::sysInitialize();
}

typeName()

const char * PyAthena::Aud::typeName ( ) const

overridevirtual

return the std::type_info name of the underlying py-component This is used by concrete implementations to connect a python component to its C++ counter-part

Implements IPyComponent.

Definition at line 97 of file PyAthenaAud.cxx.

{ 
  static const std::string tname = System::typeinfoName(typeid(*this));
  return tname.c_str();
}

Member Data Documentation

m_self

PyObject* PyAthena::Aud::m_self

protected

Pointer to self (from the python world)

Definition at line 90 of file PyAthenaAud.h.

---

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

• PyAthenaAud.h
• PyAthenaAud.cxx