repl: import python module

1 files changed, 43 insertions, 2 deletions

diff --git a/src/cli/cli.cpp b/src/cli/cli.cpp
index ae3795e..322c365 100644
--- a/src/cli/cli.cpp
+++ b/src/cli/cli.cpp
@@ -1,9 +1,47 @@
 #include <stdio.h>
 #include <stdlib.h>
-//#include <string.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");
@@ -17,6 +55,7 @@ int main(int argc, char** argv)
     // 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();
@@ -29,13 +68,14 @@ int main(int argc, char** argv)
         char *cmd = linenoise(prompt);
 
         if(cmd == nullptr || *cmd == '\0') {
-            printf("break\n");
+            printf("breaking out of repl\n");
             free(cmd);
             break;
         }
 
         //printf("echo(%i):'%s'\n", strlen(cmd), cmd);
         PyRun_SimpleString(cmd);
+        linenoiseHistoryAdd(cmd);
         free(cmd);
     }
 
@@ -49,3 +89,4 @@ int main(int argc, char** argv)
 
     return 0;
 }
+