assert prefs.X == 1 and prefs.Y == 2 # True # By setting the following attributes, their new values are # automatically stored into the file. prefs.X = 3 prefs.Y = 4 # attributes can be defined without default values. prefs.Z = 5 # RESTART program (re-initializing 'prefs' gives the same results as # restarting. Since defaults are stored, you are not # required to give them default values again. # However, when restarting the script, this is # usually unavoidable. ) prefs = Preferences(defaults=prefs_defaults, filename="preferences_test.txt") # Old values have been remembered. assert prefs.X == 3 and prefs.Y == 4 and prefs.Z == 5 # True # Following method resets ALL values (if no arguments are given), # although it will be unable to reset "Z", as it has no default. prefs.reset_to_default() assert prefs.X == 1 and prefs.Y == 2 and prefs.Z == 5 # True # If you'd like to remove the stored file, the following method # would accomplish this. (This removes any old values!!) prefs.delete_preferences_file() # written in python 3.5.2
