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https://github.com/elseif/MikroTikPatch.git
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42 lines
1.8 KiB
Python
42 lines
1.8 KiB
Python
#
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# toyecc - A small Elliptic Curve Cryptography Demonstration.
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# Copyright (C) 2011-2016 Johannes Bauer
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#
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# This file is part of toyecc.
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#
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# toyecc is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; this program is ONLY licensed under
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# version 3 of the License, later versions are explicitly excluded.
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#
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# toyecc is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with toyecc; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Johannes Bauer <JohannesBauer@gmx.de>
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#
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def doc_inherit(superclass):
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"""Inherit the docstring of a parent method. The super class needs to be
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given as the decorator's parameter. Does not overwrite the docstring if
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there is already one present."""
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def decorator(decoree):
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method_name = decoree.__name__
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if decoree.__doc__ is None:
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parent_method = getattr(superclass, method_name, None)
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if parent_method is None:
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raise Exception("Tried to inherit docstring of method '%s' from class '%s', but the latter does not offer a method by that name." % (method_name, str(superclass)))
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docstr = parent_method.__doc__
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if docstr is None:
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raise Exception("Tried to inherit docstring of method '%s' from class '%s', but that method also does not have a docstring." % (method_name, str(superclass)))
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decoree.__doc__ = docstr
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else:
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raise Exception("Tried to overwrite an already present docstring of %s" % (str(decoree)))
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return decoree
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return decorator
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