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#include <stdio.h>
#include <stdlib.h>
#include <linenoise.h>
#include <Python.h>
static int numargs=0;
/* Return the number of arguments of the application command line */
static PyObject* emb_numargs(PyObject *self, PyObject *args)
{
if(!PyArg_ParseTuple(args, ":numargs"))
return NULL;
numargs = 19;
return PyLong_FromLong(numargs);
}
static PyMethodDef EmbMethods[] = {
/* ml_name Name of the method
* ml_meth pointer to C implementation
* ml_flags flag bits indicating how it should be called
* ml_doc docstring
*/
{"numargs", emb_numargs, METH_VARARGS, "Return the number of arguments received by the process."},
{NULL, NULL, 0, NULL}
};
static PyModuleDef EmbModule = {
/* m_base */ PyModuleDef_HEAD_INIT, // base module, always HEAD_INIT
/* m_name */ "emb", // module name
/* m_doc */ NULL, // Docstring for the module; usually a docstring variable created with PyDoc_STRVAR()
/* m_size */ -1, //
/* m_methods */ EmbMethods, // A pointer to a table of module-level functions
/* m_slots */ NULL, // An array of slot definitions for multi-phase initialization
/* traverse */ NULL, // A traversal function to call during GC traversal of the module object
/* clear */ NULL, // A clear function to call during GC clearing of the module object
/* free */ NULL // A function to call during deallocation of the module object
};
static PyObject* PyInit_emb(void)
{
return PyModule_Create(&EmbModule);
}
int main(int argc, char** argv)
{
printf("cli test application\n");
wchar_t *program = Py_DecodeLocale(argv[0], NULL);
if (program == NULL) {
fprintf(stderr, "Fatal error: cannot decode argv[0]\n");
exit(1);
}
// inform the interpreter about paths to run-time libraries
Py_SetProgramName(program); /* optional but recommended */
printf("import emb: %i\n", PyImport_AppendInittab("emb", &PyInit_emb));
// Initialize the python interpreter
Py_Initialize();
PyRun_SimpleString("print('Python interpreter ready')\n");
const char* prompt = "poi> ";
while(true) {
char *cmd = linenoise(prompt);
if(cmd == nullptr || *cmd == '\0') {
printf("breaking out of repl\n");
free(cmd);
break;
}
//printf("echo(%i):'%s'\n", strlen(cmd), cmd);
PyRun_SimpleString(cmd);
linenoiseHistoryAdd(cmd);
free(cmd);
}
// finalize the interpreter
if (Py_FinalizeEx() < 0) {
exit(120);
}
//
PyMem_RawFree(program);
return 0;
}
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