24 lines
965 B
Python
24 lines
965 B
Python
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# Copyright 2009, 2010 Erwan Briand
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# Copyright 2010, Florent Le Coz <louizatakk@fedoraproject.org>
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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 version 3 of the License.
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#
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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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#
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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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class Singleton(object):
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""" Canonic Singleton implementation.
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"""
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_instance = None
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def __new__(cls, *args, **kwargs):
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if cls._instance is None:
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cls._instance = super(Singleton, cls).__new__(cls, *args, **kwargs)
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return cls._instance
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