diff options
Diffstat (limited to 'cliff/display.py')
| -rw-r--r-- | cliff/display.py | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/cliff/display.py b/cliff/display.py index 2d9a7f7..6d9f522 100644 --- a/cliff/display.py +++ b/cliff/display.py @@ -70,14 +70,23 @@ class DisplayCommandBase(Command): return parser @abc.abstractmethod - def get_data(self, parsed_args): + def take_action(self, parsed_args): """Return a two-part tuple with a tuple of column names and a tuple of values. """ @abc.abstractmethod + def produce_output(self, parsed_args, column_names, data): + """Use the formatter to generate the output. + + :param parsed_args: argparse.Namespace instance with argument values + :param column_names: sequence of strings containing names + of output columns + :param data: iterable with values matching the column names + """ + def run(self, parsed_args): - column_names, data = self.get_data(parsed_args) - formatter = self.formatters[parsed_args.formatter] - formatter.emit_one(column_names, data, self.app.stdout, parsed_args) + column_names, data = self.take_action(parsed_args) + self.formatter = self.formatters[parsed_args.formatter] + self.produce_output(parsed_args, column_names, data) return 0 |