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import abc
class FormatterBase(metaclass=abc.ABCMeta):
"""Base class for example plugin used in the tutorial.
"""
def __init__(self, max_width=60):
self.max_width = max_width
@abc.abstractmethod
def format(self, data):
"""Format the data and return unicode text.
:param data: A dictionary with string keys and simple types as
values.
:type data: dict(str:?)
:returns: Iterable producing the formatted text.
"""
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