diff --git a/lldb/include/lldb/Interpreter/CommandReturnObject.h b/lldb/include/lldb/Interpreter/CommandReturnObject.h
index acd03992e5e6..b922e1731d7e 100644
--- a/lldb/include/lldb/Interpreter/CommandReturnObject.h
+++ b/lldb/include/lldb/Interpreter/CommandReturnObject.h
@@ -160,9 +160,17 @@ public:
     bool
     HasResult ();
 
-    bool GetDidChangeProcessState ();
+    bool
+    GetDidChangeProcessState ();
 
-    void SetDidChangeProcessState (bool b);
+    void
+    SetDidChangeProcessState (bool b);
+
+    bool
+    GetInteractive () const;
+    
+    void
+    SetInteractive (bool b);
 
 private:
     enum 
@@ -176,6 +184,7 @@ private:
     
     lldb::ReturnStatus m_status;
     bool m_did_change_process_state;
+    bool m_interactive; // If true, then the input handle from the debugger will be hooked up
 };
 
 } // namespace lldb_private
diff --git a/lldb/source/API/SBCommandInterpreter.cpp b/lldb/source/API/SBCommandInterpreter.cpp
index 388dff2a8aa3..e1adea795b08 100644
--- a/lldb/source/API/SBCommandInterpreter.cpp
+++ b/lldb/source/API/SBCommandInterpreter.cpp
@@ -138,6 +138,7 @@ SBCommandInterpreter::HandleCommand (const char *command_line, SBCommandReturnOb
     result.Clear();
     if (command_line && m_opaque_ptr)
     {
+        result.ref().SetInteractive(false);
         m_opaque_ptr->HandleCommand (command_line, add_to_history ? eLazyBoolYes : eLazyBoolNo, result.ref());
     }
     else
diff --git a/lldb/source/Interpreter/CommandReturnObject.cpp b/lldb/source/Interpreter/CommandReturnObject.cpp
index af9196f2894e..1b5418735069 100644
--- a/lldb/source/Interpreter/CommandReturnObject.cpp
+++ b/lldb/source/Interpreter/CommandReturnObject.cpp
@@ -46,7 +46,8 @@ CommandReturnObject::CommandReturnObject () :
     m_out_stream (),
     m_err_stream (),
     m_status (eReturnStatusStarted),
-    m_did_change_process_state (false)
+    m_did_change_process_state (false),
+    m_interactive (true)
 {
 }
 
@@ -203,6 +204,7 @@ CommandReturnObject::Clear()
         static_cast<StreamString *>(stream_sp.get())->Clear();
     m_status = eReturnStatusStarted;
     m_did_change_process_state = false;
+    m_interactive = true;
 }
 
 bool
@@ -217,3 +219,17 @@ CommandReturnObject::SetDidChangeProcessState (bool b)
     m_did_change_process_state = b;
 }
 
+
+bool
+CommandReturnObject::GetInteractive () const
+{
+    return m_interactive;
+}
+
+void
+CommandReturnObject::SetInteractive (bool b)
+{
+    m_interactive = b;
+}
+
+
diff --git a/lldb/source/Interpreter/ScriptInterpreterPython.cpp b/lldb/source/Interpreter/ScriptInterpreterPython.cpp
index 5803fe7be252..ac4b29f1040a 100644
--- a/lldb/source/Interpreter/ScriptInterpreterPython.cpp
+++ b/lldb/source/Interpreter/ScriptInterpreterPython.cpp
@@ -2438,7 +2438,7 @@ ScriptInterpreterPython::RunScriptBasedCommand(const char* impl_function,
     {
         error.SetErrorString("invalid Debugger pointer");
         return false;
-    }
+   }
     
     bool ret_val = false;
     
@@ -2446,7 +2446,7 @@ ScriptInterpreterPython::RunScriptBasedCommand(const char* impl_function,
     
     {
         Locker py_lock(this,
-                       Locker::AcquireLock | Locker::InitSession,
+                       Locker::AcquireLock | Locker::InitSession | cmd_retobj.GetInteractive() ? 0 : Locker::NoSTDIN,
                        Locker::FreeLock    | Locker::TearDownSession);
         
         SynchronicityHandler synch_handler(debugger_sp,