| # Gaudi Framework, version v22r0 |

Home |  | Generated: 9 Feb 2011

# GaudiPython Namespace Reference

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

## Namespaces
namespace | Bindings
namespace | GaudiAlgs
namespace | GaudiHandles
namespace | HistoUtils
namespace | Pythonizations
namespace | TupleUtils
## Classes
class | AlgDecorator
class | PyAlgorithm
| Python Algorithm base class. More...
class | PyAlg
| general class to embed the existing algorithm/base class into the python More...
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 | TupleDecorator
| Simple class which performs the decoration of the standard N-Tuple. More...
class | TupleAlgDecorator
| Simple class to perform the "decoration" of Tuples in Python/Reflex. More...
class | TupleToolDecorator
| Simple class to perform the "decoration" of Tuples in Python/Reflex. More...
struct | _identity
| It is here due to 'missing'(?) std::identity. More...
## Typedefs
typedef std::vector< double > | Vector
| useful type definition for implicit loos
typedef Vector | Row
typedef std::vector< Row > | Matrix
## Functions
GAUDI_API StatusCode | call_python_method (PyObject *self, const char *method)
| call the python method
int GAUDI_API | call_python_method (PyObject *self, const char *method, char *buf)
| call a python method with a string as an argument

## 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.Belyaev@lapp.in2p3.fr

Date:
  2005-08-04

## Typedef Documentation

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

Definition at line 23 of file Vector.h.

typedef Vector GaudiPython::Row

Definition at line 22 of file Vector.h.

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

useful type definition for implicit loos

Definition at line 21 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 23 of file CallbackStreamBuf.cpp.

    00024 {
    00025   if ( 0 == self || 0 == method ) { return 1 ; }
    00026   PyObject* r = PyObject_CallMethod(self, const_cast<char*>(method),
    00027                                           const_cast<char*>("s"), buf);
    00028   if ( 0 == r ) {
    00029     string err("Unsuccessful call to bound Python method");
    00030     err += method;
    00031     PyErr_SetString( PyExc_TypeError , err.c_str() ) ;
    00032     PyErr_Print() ;
    00033     return 1 ;
    00034   }
    00035   Py_DECREF( r );
    00036   return 0 ;
    00037 }

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

call the python method

Definition at line 33 of file Algorithm.cpp.

    00034 {
    00035   StatusCode sc = StatusCode::FAILURE;
    00036   // check arguments
    00037   if ( 0 == self || 0 == method ) { return StatusCode::FAILURE ; }
    00038
    00039   // call Python
    00040   PyObject* r = PyObject_CallMethod(self, chr(method), chr(""));
    00041
    00042   if ( 0 == r ) { PyErr_Print() ;              return sc ; } // RETURN
    00043
    00044   if ( PyInt_Check ( r ) )
    00045   { sc = PyInt_AS_LONG( r ) ; Py_DECREF( r ) ; return sc ; } // RETURN
    00046
    00047   // look for the method getCode with the signature:
    00048   //  ' int getCode() '
    00049   PyObject* c = PyObject_CallMethod(r, chr("getCode"), chr(""));
    00050
    00051   if      ( 0 == c           ) {      PyErr_Print()      ; }
    00052   else if ( PyLong_Check( c )) { sc = PyLong_AsLong( c ); }
    00053   else
    00054   {
    00055     std::string msg( " call_python_method unexpected type from '" );
    00056     msg += method ;
    00057     msg += "().getCode()' " ;
    00058     PyErr_SetString( PyExc_TypeError , msg.c_str() ) ;
    00059     PyErr_Print() ;
    00060   }
    00061   // release used objects
    00062   Py_XDECREF( c ) ;
    00063   Py_XDECREF( r ) ;
    00064   //
    00065   return sc;
    00066 }

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