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"""Application base class for displaying data about a single object.
"""
import abc
import logging
from .display import DisplayCommandBase
LOG = logging.getLogger(__name__)
class ShowOne(DisplayCommandBase):
"""Command base class for displaying data about a single object.
"""
__metaclass__ = abc.ABCMeta
@property
def formatter_namespace(self):
return 'cliff.formatter.show'
@property
def formatter_default(self):
return 'table'
@abc.abstractmethod
def get_data(self, parsed_args):
"""Return a two-part tuple with a tuple of column names
and a tuple of values.
"""
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)
return 0
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