#NEWLINE# def get_possible_config_keys( self , action ) : #NEWLINE# #INDENT# "This method decides which actions can be set in a config file and\n        what their keys will be. It returns a list of 0 or more config keys that\n        can be used to set the given action's value in a config file.\n        " #NEWLINE# keys = [ ] #NEWLINE# for arg in action . option_strings : #NEWLINE# #INDENT# if any ( [ arg . startswith ( ( 2 * c ) ) for c in self . prefix_chars ] ) : #NEWLINE# #INDENT# keys += [ self [ 2 : ] , arg ] #NEWLINE# #UNINDENT# #UNINDENT# return keys