hub/venv/lib/python3.7/site-packages/traitlets/utils/sentinel.py

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"""Sentinel class for constants with useful reprs"""
# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
class Sentinel(object):
def __init__(self, name, module, docstring=None):
self.name = name
self.module = module
if docstring:
self.__doc__ = docstring
def __repr__(self):
return str(self.module)+'.'+self.name