source: issm/trunk/src/wrappers/python/include/wrapper_macros.h@ 16560

/* \file python_macros.h
 * \brief: macros used for the python bindings
 */

#ifndef _PY_WRAPPER_MACROS_H_
#define _PY_WRAPPER_MACROS_H_

#ifdef HAVE_CONFIG_H
        #include <config.h>
#else
#error "Cannot compile with HAVE_CONFIG_H symbol! run configure first!"
#endif

#ifdef _HAVE_PYTHON_
/* MODULEBOOT/MODULEEND {{{*/

/*The following macros hide the error exception handling in a matlab module. Just put 
 * MODULEBOOT(); and MODULEEND(); at the beginning and end of a module, and c++ exceptions 
 * will be trapped*/
#define MODULEBOOT(); \
        PyObject *output = PyTuple_New(NLHS); \
        int       nrhs   = (int)PyTuple_Size(args);  \
        if(!output) return NULL;\
        try{ \
        IssmComm::SetComm();

#define MODULEEND(); }\
  catch(ErrorException &exception){\
          PyErr_SetString(PyExc_TypeError,exception.PythonReport()); \
          return NULL;\
  } \
        catch (exception &e){\
                PyErr_SetString(PyExc_TypeError,e.what());\
                return NULL;\
        }\
        catch(...){\
                PyErr_SetString(PyExc_TypeError,"An unexpected error occurred");\
                return NULL;\
        }\
        return output;
//}}}
#if _PYTHON_MAJOR_ >=3
/* WRAPPER 3.2 {{{*/
#define WRAPPER(modulename,...)  \
static PyObject* modulename(PyObject* self,PyObject* args);\
static PyMethodDef modulename##_funcs[] = {\
        {#modulename, (PyCFunction)modulename, METH_VARARGS, ""},\
        {NULL,NULL,0,NULL}\
};\
static struct PyModuleDef modulename##module= {\
        PyModuleDef_HEAD_INIT,\
        #modulename,   /* name of module */\
        NULL, /* module documentation, may be NULL */\
        -1,       /* size of per-interpreter state of the module,\
                                 or -1 if the module keeps state in global variables. */\
        modulename##_funcs\
};\
PyMODINIT_FUNC PyInit_##modulename(void){\
        import_array();\
        return PyModule_Create(&modulename##module);\
}\
static PyObject* modulename(PyObject* self,PyObject* args)
/*}}}*/
#else
/* WRAPPER 2.7 {{{*/
#define WRAPPER(modulename,...)  \
static PyObject* modulename(PyObject* self,PyObject* args);\
static PyMethodDef modulename##_funcs[] = {\
        {#modulename, (PyCFunction)modulename, METH_VARARGS, ""},\
        {NULL,NULL,0,NULL}\
};\
PyMODINIT_FUNC init##modulename(void){\
        import_array();\
        (void) Py_InitModule(#modulename, modulename##_funcs);\
}\
static PyObject* modulename(PyObject* self,PyObject* args)
/*}}}*/
#endif
/* CHECKARGUMENTS {{{*/
#define CHECKARGUMENTS(NLHS,NRHS,functionpointer) CheckNumPythonArguments(args, NRHS,functionpointer)
/*}}}*/
#endif
#endif