wrapper_macros.h

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/* \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 python 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.WrapperReport()); \
     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