Periodic Autosave added in background thread

closes gh-234

Signed-off-by: MinRK <[e-mail]>

IPython/core/history.py

@@ -271,7 +271,7 b' class HistorySaveThread(threading.Thread):'
             if self.exit_now==True:
                 break
             #printing for debug
-            print("Saving...")
+            #print("Saving...")
             self.IPython_object.save_history()
 
 def magic_history(self, parameter_s = ''):

IPython/frontend/terminal/interactiveshell.py

@@ -505,8 +505,6 b' class TerminalInteractiveShell(InteractiveShell):'
                 self.shell.history_thread.cond.release()
                 self.ask_exit()
         else:
-            self.shell.history_thread = HistorySaveThread(self.shell, 60, False)
-            self.shell.history_thread.start()
             self.ask_exit()
             
     #------------------------------------------------------------------------