/usr/lib/python2.7/dist-packages/cliff/show.py is in python-cliff 1.4.5-1ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | """Application base class for displaying data about a single object.
"""
import abc
import itertools
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 take_action(self, parsed_args):
"""Return a two-part tuple with a tuple of column names
and a tuple of values.
"""
def produce_output(self, parsed_args, column_names, data):
if not parsed_args.columns:
columns_to_include = column_names
else:
columns_to_include = [c for c in column_names
if c in parsed_args.columns]
# Set up argument to compress()
selector = [(c in columns_to_include)
for c in column_names]
data = list(itertools.compress(data, selector))
self.formatter.emit_one(columns_to_include,
data,
self.app.stdout,
parsed_args)
return 0
def dict2columns(self, data):
"""Implement the common task of converting a dict-based object
to the two-column output that ShowOne expects.
"""
if not data:
return ({}, {})
else:
return zip(*sorted(data.items()))
|