def main():
if len(sys.argv) == 1:
# This should happen automatically with argparser, but it doesn't.
sys.argv.append('-help')
try:
sheet = TymeSheet.from_file()
except FileNotFoundError:
# First time!
sheet = TymeSheet()
args = PARSER.parse_args()
try:
args.func(sheet, args)
except TymeError as e:
print('ERROR:', e)
exit(1)
def undo_cmd(sheet, args):
backup = sheet.file + '~'
old = TymeSheet.from_file(backup)
old.save()
print('Undo!')