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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Formattable column tools.
"""
import abc
class FormattableColumn(object, metaclass=abc.ABCMeta):
def __init__(self, value):
self._value = value
def __eq__(self, other):
return (
self.__class__ == other.__class__ and self._value == other._value
)
def __lt__(self, other):
return (
self.__class__ == other.__class__ and self._value < other._value
)
def __str__(self):
return self.human_readable()
def __repr__(self):
return '%s(%r)' % (self.__class__.__name__, self.machine_readable())
@abc.abstractmethod
def human_readable(self):
"""Return a basic human readable version of the data."""
def machine_readable(self):
"""Return a raw data structure using only Python built-in types.
It must be possible to serialize the return value directly
using a formatter like JSON, and it will be up to the
formatter plugin to decide how to make that transformation.
"""
return self._value
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