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"""Base classes for formatters.
"""
import abc
class Formatter(object):
def __init__(self):
return
def add_argument_group(self, parser):
"""Add any options to the argument parser.
Should use our own argument group.
"""
return
class ListFormatter(Formatter):
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def emit_list(self, column_names, data, stdout):
"""Format and print the list from the iterable data source.
"""
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