RootUtils::PyROOTPickle Class Reference

#include <PyROOTPickle.h>

Collaboration diagram for RootUtils::PyROOTPickle:

Static Public Member Functions
static void	Initialize (PyObject *libpyroot_pymodule, PyObject *objectproxy_pytype)
	Install the pickling of ObjectProxy's functionality. More...

Detailed Description

Definition at line 47 of file PyROOTPickle.h.

Member Function Documentation

Initialize()

void RootUtils::PyROOTPickle::Initialize ( PyObject *  libpyroot_pymodule, PyObject *  cppinstance_pytype  )

static

Install the pickling of ObjectProxy's functionality.

Install the pickling of CPPInstance's functionality.

Parameters

libpyroot_pymodule	The libPyROOT python module
objectproxy_pytype	The ObjectProxy python type
libpyroot_pymodule	The libPyROOT python module
CPPInstance_pytype	The CPPInstance python type

Definition at line 112 of file PyROOTPickle.cxx.

{
  Py_INCREF( libpyroot_pymodule );
  PyTypeObject* pytype = (PyTypeObject*)cppinstance_pytype;
 
  // Don't change this name to CPPInstance since it's saved in pickles.
  static PyMethodDef s_pdefExp = { (char*)"_ObjectProxy__expand__",
            (PyCFunction)CPPInstanceExpand, METH_VARARGS, (char*)"internal function" };
 
  PyObject* pymname = PyUnicode_FromString( PyModule_GetName( libpyroot_pymodule ) );
  gExpand = PyCFunction_NewEx( &s_pdefExp, NULL, pymname );
  Py_DECREF( pymname );
  Bool_t isOk = PyObject_SetAttrString( libpyroot_pymodule, s_pdefExp.ml_name, gExpand ) == 0;
  Py_DECREF( gExpand );      // is moderately risky, but Weakref not allowed (?)
 
  if ( ! isOk ) {
    Py_DECREF( libpyroot_pymodule );
    PyErr_SetString( PyExc_TypeError, "could not add expand function to libPyROOT" );
    return;
  }
 
  static PyMethodDef s_pdefRed = { (char*)"__reduce__",
            (PyCFunction)CPPInstanceReduce, METH_NOARGS, (char*)"internal function" };
 
  PyObject* descr = PyDescr_NewMethod( pytype, &s_pdefRed );
  isOk = PyDict_SetItemString( pytype->tp_dict, s_pdefRed.ml_name, descr) == 0;
  Py_DECREF( descr );
  if ( ! isOk ) {
    Py_DECREF( libpyroot_pymodule );
    PyErr_SetString( PyExc_TypeError, "could not add __reduce__ function to CPPInstance" );
    return;
  }
 
  Py_DECREF( libpyroot_pymodule );
}

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

• PyROOTPickle.h
• PyROOTPickle.cxx