GaudiPython Namespace Reference

GaudiPython.h GaudiPython/GaudiPython.h. More...

Namespaces
	Bindings
	GaudiAlgs
	GaudiHandles
	HistoUtils
	Persistency
	Pythonizations
	TupleUtils

Classes
struct	_identity
	It is here due to 'missing'(?) std::identity. More...
class	AlgDecorator
class	CallbackStreamBuf
struct	Helper
class	HistoDecorator
	Simple decorator class to allow to reuse the functionality of GaudiHistos<TYPE> class in pythin. More...
struct	Interface
	Minor mofidication of original Pere's structure GaudiPython::Interface This helper class is nesessary to perform C++ castings from python. More...
struct	Interface< IInterface >
struct	Printer
struct	Printer< ContainedObject >
struct	Printer< DataObject >
class	PyAlg
	general class to embed the existing algorithm/base class into the python More...
class	PyAlgorithm
	Python Algorithm base class. More...
class	TupleAlgDecorator
	Simple class to perform the "decoration" of Tuples in Python/ROOT. More...
class	TupleDecorator
	Simple class which performs the decoration of the standard N-Tuple. More...
class	TupleToolDecorator
	Simple class to perform the "decoration" of Tuples in Python/ROOT. More...

Typedefs
typedef std::vector< double >	Vector
	useful type definition for implicit loos More...
typedef Vector	Row
typedef std::vector< Row >	Matrix

Functions
GAUDI_API StatusCode	call_python_method (PyObject *self, const char *method)
	call the python method More...
int GAUDI_API	call_python_method (PyObject *self, const char *method, char *buf)
	call a python method with a string as an argument More...

Detailed Description

GaudiPython.h GaudiPython/GaudiPython.h.

Namespace for all classes interfacing Gaudi to Python.

The general namespace to hide all Gaudi-python related classes

Author

Vanya BELYAEV Ivan..nosp@m.Bely.nosp@m.aev@l.nosp@m.app..nosp@m.in2p3.nosp@m..fr

Date

2005-08-04

Typedef Documentation

typedef std::vector<Row> GaudiPython::Matrix

Definition at line 21 of file Vector.h.

typedef Vector GaudiPython::Row

Definition at line 20 of file Vector.h.

typedef std::vector<double> GaudiPython::Vector

useful type definition for implicit loos

Definition at line 19 of file Vector.h.

Function Documentation

int GaudiPython::call_python_method	(	PyObject *	self,
		const char *	method,
		char *	buf
	)

call a python method with a string as an argument

Definition at line 14 of file CallbackStreamBuf.cpp.

{
  if ( !self || !method ) { return 1 ; }
  PyObject* r = PyObject_CallMethod(self, const_cast<char*>(method),
                                          const_cast<char*>("s"), buf);
  if ( !r ) {
    std::string err("Unsuccessful call to bound Python method");
    err += method;
    PyErr_SetString( PyExc_TypeError , err.c_str() ) ;
    PyErr_Print() ;
    return 1 ;
  }
  Py_DECREF( r );
  return 0 ;
}

StatusCode GaudiPython::call_python_method	(	PyObject *	self,
		const char *	method
	)

call the python method

Definition at line 29 of file Algorithm.cpp.

{
  StatusCode sc = StatusCode::FAILURE;
  // check arguments
  if ( !self || !method ) { return StatusCode::FAILURE ; }

  // call Python
  PyObject* r = PyObject_CallMethod(self, chr(method), nullptr );

  if ( !r ) { PyErr_Print() ;              return sc ; } // RETURN

  if ( PyInt_Check ( r ) )
  { sc = PyInt_AS_LONG( r ) ; Py_DECREF( r ) ; return sc ; } // RETURN

  // look for the method getCode with the signature:
  //  ' int getCode() '
  PyObject* c = PyObject_CallMethod(r, chr("getCode"), nullptr);

  if      ( !c           ) {      PyErr_Print()      ; }
  else if ( PyLong_Check( c )) { sc = PyLong_AsLong( c ); }
  else
  {
    std::string msg( " call_python_method unexpected type from '" );
    msg += method ;
    msg += "().getCode()' " ;
    PyErr_SetString( PyExc_TypeError , msg.c_str() ) ;
    PyErr_Print() ;
  }
  // release used objects
  Py_XDECREF( c ) ;
  Py_XDECREF( r ) ;
  //
  return sc;
}