===================================================================
RCS file: /home/cvs/OpenXM/src/ox_python/ox_python.c,v
retrieving revision 1.2
retrieving revision 1.5
diff -u -p -r1.2 -r1.5
--- OpenXM/src/ox_python/ox_python.c	2018/09/08 03:05:19	1.2
+++ OpenXM/src/ox_python/ox_python.c	2021/12/31 07:43:48	1.5
@@ -1,4 +1,4 @@
-/* $OpenXM: OpenXM/src/ox_python/ox_python.c,v 1.1 2018/09/08 00:16:19 takayama Exp $
+/* $OpenXM: OpenXM/src/ox_python/ox_python.c,v 1.4 2019/03/22 00:14:50 takayama Exp $
 */
 
 #include <stdio.h>
@@ -374,7 +374,7 @@ int sm_executeFunction()
     }else if (strcmp(func->s,"PyRun_String")==0) {
         my_PyRun_String();
     }else if (strcmp(func->s,"eval")==0) {
-        my_eval();
+        my_eval2();
     }else {
         push(make_error2("sm_executeFunction, unknown function",NULL,0,-1));
         return -1;
@@ -526,7 +526,7 @@ int main(int argc,char *argv[])
 #endif
 
     /* Initialize python */
-    Py_SetProgramName(argv[0]);  /* optional but recommended */
+    Py_SetProgramName((wchar_t *) argv[0]);  /* optional but recommended */
     Py_Initialize();
 
   
@@ -589,7 +589,8 @@ int my_PyRun_String() {
   printf("cmd=%s\n",cmd);
   if (py_main == NULL) py_main = PyImport_AddModule("__main__");
   if (py_dict == NULL) py_dict = PyModule_GetDict(py_main);
-  pyRes = PyRun_String(cmd,Py_single_input,py_dict,py_dict);
+//  pyRes = PyRun_String(cmd,Py_single_input,py_dict,py_dict);
+  pyRes = PyRun_String(cmd,Py_eval_input,py_dict,py_dict);
   if (pyRes==NULL) {
     push(make_error2("PyRun_String: exception",NULL,0,-1));
     PyRun_SimpleString("\n");
@@ -601,15 +602,17 @@ int my_PyRun_String() {
 }
 
 int push_python_result(PyObject *pyRes) {
-  if (PyString_Check(pyRes)) {
-    push((cmo *)new_cmo_string(PyString_AsString(pyRes)));
+  if (PyUnicode_Check(pyRes)) {
+    push((cmo *)new_cmo_string(PyBytes_AsString(PyUnicode_AsEncodedString(pyRes,"UTF-8","strict"))));
     return(0);
-  }else if (PyInt_Check(pyRes)) {
-    push((cmo *)new_cmo_int32((int) PyInt_AS_LONG(pyRes)));
+  }else if (PyLong_Check(pyRes)) {
+    push((cmo *)new_cmo_int32((int) PyLong_AsLong(pyRes)));
     return(0);
   }else {
-    push((cmo *)new_cmo_string(PyString_AsString(PyObject_Str(pyRes))));
+    push((cmo *)new_cmo_string(PyBytes_AsString(PyUnicode_AsEncodedString(PyObject_Str(pyRes),"UTF-8","strict"))));
     return(0);
+    /* push((cmo *)new_cmo_string(PyBytes_AsString(PyObject_Str(pyRes))));
+    return(0); */
 //    push(make_error2("PyRun_String returns an object which as not been implemented.",NULL,0,-1));
 //    return(-1);
   }
@@ -627,20 +630,22 @@ int my_eval() {
   pop();   // pop argc
   cmd = get_string();
   if (cmd == NULL) {
-    push(make_error2("my_PyRun_Sring: argument is not a string",NULL,0,-1));
+    push(make_error2("my_eval: argument is not a string",NULL,0,-1));
     return(-1);
   }
   printf("my_eval cmd=%s\n",cmd);
 
   // code from https://docs.python.jp/2.7/extending/embedding.html
-  if (pName==NULL) pName = PyString_FromString("__builtin__"); 
+  if (pName==NULL) pName = PyBytes_FromString("__builtin__"); 
   if (pModule==NULL) pModule = PyImport_Import(pName);
 
   if (pModule != NULL) {
     if (pFunc==NULL) pFunc = PyObject_GetAttrString(pModule, "eval");
     if (pFunc && PyCallable_Check(pFunc)) {
-      pArgs = PyTuple_New(1);
-      PyTuple_SetItem(pArgs,0,PyString_FromString(cmd));
+      pArgs = PyTuple_New(3);
+      PyTuple_SetItem(pArgs,0,PyBytes_FromString(cmd));
+      PyTuple_SetItem(pArgs,1,PyEval_GetGlobals());
+      PyTuple_SetItem(pArgs,2,PyEval_GetLocals());
       pValue = PyObject_CallObject(pFunc, pArgs);
       Py_DECREF(pArgs);
       if (pValue != NULL) {
@@ -658,6 +663,60 @@ int my_eval() {
       if (PyErr_Occurred())
         PyErr_Print();
       fprintf(stderr, "Cannot find function eval\n");
+    }
+    return(-1);
+  }
+  else {
+    PyErr_Print();
+    fprintf(stderr, "Failed to load __builtin__\n");
+    return -1;
+  }
+}
+
+int my_eval2() {
+  static PyObject *pName=NULL;
+  static PyObject *pModule=NULL;
+  static PyObject *pDict=NULL;
+  static PyObject *pFunc=NULL;
+  PyObject *pArgs, *pValue;
+  char *cmd;
+  int i;
+  char *cmd2;
+  pop();   // pop argc
+  cmd = get_string();
+  if (cmd == NULL) {
+    push(make_error2("my_eval2: argument is not a string",NULL,0,-1));
+    return(-1);
+  }
+  printf("my_eval2 cmd=%s\n",cmd);
+
+  // code from https://stackoverflow.com/questions/48432577/extracting-value-from-python-after-its-embedded-in-c
+  cmd2=(char *)GC_malloc(strlen(cmd)+256);
+  sprintf(cmd2,"f = lambda x: eval(x)");
+  PyRun_SimpleString(cmd2);
+  pModule = PyImport_ImportModule("__main__");
+  pFunc= PyObject_GetAttrString(pModule,"f");
+
+  if (pModule != NULL) {
+    if (pFunc && PyCallable_Check(pFunc)) {
+      pArgs = PyTuple_New(1);
+      PyTuple_SetItem(pArgs,0,PyBytes_FromString(cmd));
+      pValue = PyObject_CallObject(pFunc, pArgs);
+      Py_DECREF(pArgs);
+      if (pValue != NULL) {
+        push_python_result(pValue);
+        //              Py_DECREF(pValue);
+        return(0);
+      }
+      else {
+        PyErr_Print();
+        push(make_error2("Fail to call PyObjedct_CallObject(eval,...)",NULL,0,-1));
+        return(-1);
+      }
+    }else {
+      if (PyErr_Occurred())
+        PyErr_Print();
+      fprintf(stderr, "Cannot find function f\n");
     }
     return(-1);
   }