From 75dab66916f277b950554dc694c7f08a8445cc15 Mon Sep 17 00:00:00 2001
From: Eivind Kvedalen <eivind@kvedalen.name>
Date: Tue, 3 Feb 2015 00:32:00 +0100
Subject: [PATCH] Added InterpreterSingleton::getValue(...) function.

---
 src/Base/Interpreter.cpp | 22 ++++++++++++++++++++++
 src/Base/Interpreter.h   |  2 ++
 2 files changed, 24 insertions(+)

diff --git a/src/Base/Interpreter.cpp b/src/Base/Interpreter.cpp
index 9d0617c5e616..e3df2662bdc7 100644
--- a/src/Base/Interpreter.cpp
+++ b/src/Base/Interpreter.cpp
@@ -496,6 +496,28 @@ void InterpreterSingleton::runMethod(PyObject *pobject, const char *method,
     }
 }
 
+PyObject * InterpreterSingleton::getValue(const char * key, const char * result_var)
+{
+    PyObject *module, *dict, *presult;          /* "exec code in d, d" */
+
+    PyGILStateLocker locker;
+    module = PP_Load_Module("__main__");         /* get module, init python */
+    if (module == NULL)
+        throw PyException();                         /* not incref'd */
+    dict = PyModule_GetDict(module);            /* get dict namespace */
+    if (dict == NULL)
+        throw PyException();                           /* not incref'd */
+
+
+    presult = PyRun_String(key, Py_file_input, dict, dict); /* eval direct */
+    if (!presult) {
+        throw PyException();
+    }
+    Py_DECREF(presult);
+
+    return PyObject_GetAttrString(module, result_var);
+}
+
 void InterpreterSingleton::dbgObserveFile(const char* sFileName)
 {
     if (sFileName)
diff --git a/src/Base/Interpreter.h b/src/Base/Interpreter.h
index a5b6ac9e9374..2a1497503a23 100644
--- a/src/Base/Interpreter.h
+++ b/src/Base/Interpreter.h
@@ -242,6 +242,8 @@ class BaseExport InterpreterSingleton
     static const std::string strToPython(const std::string &Str){return strToPython(Str.c_str());}
     //@}
 
+    PyObject *getValue(const char *key, const char *result_var);
+
 protected:
     // singleton
     static InterpreterSingleton *_pcSingelton;