Source code for taurus.core.util.prop

#!/usr/bin/env python

#############################################################################
##
## This file is part of Taurus
## 
## http://taurus-scada.org
##
## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
## 
## Taurus is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
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## Taurus is distributed in the hope that it will be useful,
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## GNU Lesser General Public License for more details.
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## You should have received a copy of the GNU Lesser General Public License
## along with Taurus.  If not, see <http://www.gnu.org/licenses/>.
##
#############################################################################

"""This module contains a decorator to simplify the use of property."""

__all__ = ["propertx"]

__docformat__ = "restructuredtext"

[docs]def propertx(fct): ''' Decorator to simplify the use of property. Like @property for attrs who need more than a getter. For getter only property use @property. adapted from http://code.activestate.com/recipes/502243/ ''' arg=[None, None, None, None] for i, f in enumerate(fct()): arg[i] = f if not arg[3] : arg[3]=fct.__doc__ return property(*arg)
if __name__ == '__main__': from log import Logger class example(object, Logger): def __init__(self): Logger.__init__(self, "example") self._a=100 self.bar = "why" @propertx def bar(): # BAR doc def get(self): print "\tgetting", self._a return self._a def set(self, val): print "\tsetting", val self._a=val return get, set foo=example() print foo.bar #foo.bar='egg' #print foo.bar