def _prepare(self):
# configure printer
Printer.batch_output = self.arg_options.batch
Printer.dynamic_output = not self.arg_options.batch
self.progress = Printer.dynamic_output
self.batch = Printer.batch_output
# configure path
Paths.format = PathFormat.ABSOLUTE
if self.arg_options.root:
Paths.init(self.arg_options.root)
