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author | Ryan Petrello <lists@ryanpetrello.com> | 2015-05-06 10:17:30 -0400 |
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committer | Ryan Petrello <lists@ryanpetrello.com> | 2015-05-06 10:17:56 -0400 |
commit | ca2e90a94031fdbba31bf4bda87b51a87e97eb7c (patch) | |
tree | fb7475ce51ddc4d8807900553d52eff682fe4f9e /cliff/lister.py | |
parent | 79a8791e7fefdcbe62f264bf905ac09a1958e753 (diff) | |
download | cliff-master.tar.gz |
Diffstat (limited to 'cliff/lister.py')
-rw-r--r-- | cliff/lister.py | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/cliff/lister.py b/cliff/lister.py deleted file mode 100644 index 1b6c3b6..0000000 --- a/cliff/lister.py +++ /dev/null @@ -1,66 +0,0 @@ -"""Application base class for providing a list of data as output. -""" -import abc - -try: - from itertools import compress -except ImportError: - # for py26 compat - from itertools import izip - - def compress(data, selectors): - return (d for d, s in izip(data, selectors) if s) - -import logging - -from .display import DisplayCommandBase - - -LOG = logging.getLogger(__name__) - - -class Lister(DisplayCommandBase): - """Command base class for providing a list of data as output. - """ - __metaclass__ = abc.ABCMeta - - @property - def formatter_namespace(self): - return 'cliff.formatter.list' - - @property - def formatter_default(self): - return 'table' - - @abc.abstractmethod - def take_action(self, parsed_args): - """Return a tuple containing the column names and an iterable - containing the data to be listed. - """ - - def produce_output(self, parsed_args, column_names, data): - if not parsed_args.columns: - columns_to_include = column_names - data_gen = data - else: - columns_to_include = [c for c in column_names - if c in parsed_args.columns - ] - if not columns_to_include: - raise ValueError('No recognized column names in %s' % - str(parsed_args.columns)) - # Set up argument to compress() - selector = [(c in columns_to_include) - for c in column_names] - # Generator expression to only return the parts of a row - # of data that the user has expressed interest in - # seeing. We have to convert the compress() output to a - # list so the table formatter can ask for its length. - data_gen = (list(compress(row, selector)) - for row in data) - self.formatter.emit_list(columns_to_include, - data_gen, - self.app.stdout, - parsed_args, - ) - return 0 |