[core] Added default value for configuration options

core/metaconfmanager.py

@@ -70,7 +70,7 @@ class MetaConfManager(ABC):
                                       pause_on_exit=False,
                                       cannot_quit=True)
 
-    def get_parameter(self, section, option, return_type=None, regex=None):
+    def get_parameter(self, section, option, return_type=None, regex=None, default=None):
         """
         Return the parameter stored in the module configuration file or
         ask the user to provide it
@@ -95,5 +95,7 @@ class MetaConfManager(ABC):
                     return True
             else:
                 return return_type(value)
+        elif default is not None:
+            return default
         else:
             return self.ask_for_data(section, option, regex=regex, return_type=return_type)