Implement C API functions PyModule_GetName, PyModule_GetNameObject.

Author: fangerer

graalpython/com.oracle.graal.python.cext/src/moduleobject.c

@@ -142,3 +142,17 @@ void* PyModule_GetState(PyObject *m) {
     }
     return ((PyModuleObject *)m)->md_state;
 }
+
+UPCALL_ID(PyModule_GetNameObject);
+PyObject* PyModule_GetNameObject(PyObject *m) {
+	return UPCALL_CEXT_O(_jls_PyModule_GetNameObject, native_to_java(m));
+}
+
+// partially taken from CPython "Objects/moduleobject.c"
+const char * PyModule_GetName(PyObject *m) {
+    PyObject *name = PyModule_GetNameObject(m);
+    if (name == NULL) {
+        return NULL;
+    }
+    return PyUnicode_AsUTF8(name);
+}

graalpython/lib-graalpython/python_cext.py

@@ -112,6 +112,11 @@ def PyModule_NewObject(name):
     return moduletype(name)
 
 
+@may_raise
+def PyModule_GetNameObject(module_obj):
+    return module_obj.__name__
+
+
 ##################### DICT
 
 def PyDict_New():