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python_functor.cc
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/**
* @file python_functor.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date creation: Thu Feb 21 2013
* @date last modification: Tue Feb 06 2018
*
* @brief Python functor interface
*
* @section LICENSE
*
* Copyright (©) 2014-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "python_functor.hh"
#include "aka_common.hh"
#include "internal_field.hh"
#include <vector>
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
PythonFunctor::PythonFunctor(PyObject * obj) : python_obj(obj) {}
/* -------------------------------------------------------------------------- */
PyObject * PythonFunctor::callFunctor(PyObject * functor, PyObject * args,
PyObject * kwargs) const {
if (!PyCallable_Check(functor))
AKANTU_EXCEPTION("Provided functor is not a function");
PyObject * pValue = PyObject_Call(functor, args, kwargs);
PyObject * exception_type = PyErr_Occurred();
if (exception_type) {
PyObject * exception;
PyObject * traceback;
PyErr_Fetch(&exception_type, &exception, &traceback);
PyObject_Print(exception_type, stdout, Py_PRINT_RAW);
PyObject_Print(exception, stdout, Py_PRINT_RAW);
std::stringstream sstr;
sstr << "Exception occured while calling the functor: ";
PyObject * exception_mesg = PyObject_GetAttrString(exception, "message");
#if PY_MAJOR_VERSION >= 3
if (exception_mesg && PyUnicode_Check(exception_mesg))
#else
if (exception_mesg && PyString_Check(exception_mesg))
#endif
sstr << this->convertToAkantu<std::string>(exception_mesg);
else
sstr << this->convertToAkantu<std::string>(exception);
AKANTU_EXCEPTION(sstr.str());
}
return pValue;
}
/* -------------------------------------------------------------------------- */
} // akantu

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