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# -*- encoding: utf-8 -*-
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##############################################################################
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>). All Rights Reserved
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# This program 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, either version 3 of the License, or
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# (at your option) any later version.
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# This program 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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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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##############################################################################
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from sets import Set as set
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class ObservatorRegistry(object):
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if not hasattr(cls, '_inst'):
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cls._inst = object.__new__(cls)
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self._observables = {}
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def add_observable(self, oid, obj):
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self._observables[oid] = obj
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def add_receiver(self, signal, callable):
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if signal not in self._receivers:
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self._receivers[signal] = []
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self._receivers[signal].append(callable)
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def remove_receiver(self, signal, callable):
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self._receivers[signal].remove(callable)
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def warn(self, *args):
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for receiver in self._receivers.get(args[0], []):
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oregistry = ObservatorRegistry()
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class Observable(object):
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oregistry.add_observable(id(self), self)
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def warn(self, *args):
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oregistry.warn(args[0], self, *args[1:])
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: