demoapp/cliffdemo/list.py


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import logging
import os

from cliff.lister import Lister


class Files(Lister):
    """Show a list of files in the current directory.

    The file name and size are printed by default.
    """

    log = logging.getLogger(__name__)

    def take_action(self, parsed_args):
        return (('Name', 'Size'),
                ((n, os.stat(n).st_size) for n in os.listdir('.'))
                )