Mercurial > parpg-source
view components/lockable.py @ 150:80672955ab70
PARPG now works with, and needs Fife 0.3.3.
author | KarstenBock@gmx.net |
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date | Tue, 11 Oct 2011 14:47:37 +0200 |
parents | 939984cff702 |
children |
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# This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. from base import Base class Lockable(Base): """Component that stores the data of a lock""" def __init__(self): """Constructor""" Base.__init__(self, closed=bool, locked=bool) class LockedError(Exception): def __str__(self): return "Is locked" class OpenError(Exception): def __str__(self): return "Is open" def lock(lock): if not lock.closed: raise OpenError lock.locked = True def unlock(lock): lock.locked = False def open(lock): if lock.locked: raise LockedError lock.closed = False def close(lock): lock.closed = True