def menu(defaults):
"""
Provides the top level user interface.
Prompts for what to do and then calls the appropriate
function or method.
Creating a new entity or choosing an existing one, if successful,
begins the accounting process with that entity.
"""
entities = E.Entities(*E.get_file_info(defaults),
defaults=defaults)
# print("'entities' is of type '{}'.".format(type(entities)))
# print("Initializing 'entities' with the following values:")
# print("\t", entities.lst)
# print("\t", entities.default)
while True:
listing = entities.show_entities(indent=8)
if listing:
listing = (
"""\n (Currently existing entities are:\n{} )"""
.format(listing))
else: listing = "\n (No entities currently exist.)"
# print("listing is '{}'.".format(listing))
option = input("""
Main Menu:
[Working dir: {}]{}
1. Create a new entity.
2. Choose an existing entity.
3. Delete an entity.
9. Change arguments.
0. Exit
Choice: """.format(defaults['home'], listing))
print("You've chosen: '{}'.".format(option))
if option in ('', '_', '0'):
break
try:
option = int(option)
except ValueError:
print(
"Invalid main menu choice: {} (must be an integer.)"
.format(option))
continue
if option == 1:
entity = create_new(entities)
elif option == 2:
entity = choose_existing(defaults, entities)
elif option == 3:
delete_option(defaults, entities)
entity = ''
elif option == 9:
change_args_option(defaults)
else:
print("BAD CHOICE '{}'- try again....".format(option))
entity = None
if entity:
defaults["entity"] = entity
work_with(defaults)
def choose_existing(defaults, entities):
"""
A main menu response function.
A wrapper for choose_entity().
"""
print("Picked 'Choose an existing entity.'")
chosen_entity = choose_entity(entities, 4)
if chosen_entity:
defaults['entity'] = chosen_entity
work_with(defaults)