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# Cork - Authentication module for the Bottle web framework
# Copyright (C) 2013 Federico Ceratto and others, see AUTHORS file.
# Released under LGPLv3+ license, see LICENSE.txt
"""
.. module:: backend.py
:synopsis: Base Backend.
"""
class BackendIOException(Exception):
"""Generic Backend I/O Exception"""
pass
def ni(*args, **kwargs):
raise NotImplementedError
class Backend(object):
"""Base Backend class - to be subclassed by real backends."""
save_users = ni
save_roles = ni
save_pending_registrations = ni
class Table(object):
"""Base Table class - to be subclassed by real backends."""
__len__ = ni
__contains__ = ni
__setitem__ = ni
__getitem__ = ni
__iter__ = ni
iteritems = ni
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