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Direktori : /lib/python2.7/site-packages/zope/component/ |
Current File : //lib/python2.7/site-packages/zope/component/factory.py |
############################################################################## # # Copyright (c) 2001, 2002 Zope Foundation and Contributors. # All Rights Reserved. # # This software is subject to the provisions of the Zope Public License, # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS # FOR A PARTICULAR PURPOSE. # ############################################################################## """Factory object """ from zope.interface import implementer from zope.interface import implementedBy from zope.interface.declarations import Implements from zope.component.interfaces import IFactory @implementer(IFactory) class Factory(object): """Generic factory implementation. The purpose of this implementation is to provide a quick way of creating factories for classes, functions and other objects. """ def __init__(self, callable, title='', description='', interfaces=None): self._callable = callable self.title = title self.description = description self._interfaces = interfaces def __call__(self, *args, **kw): return self._callable(*args, **kw) def getInterfaces(self): if self._interfaces is not None: spec = Implements(*self._interfaces) spec.__name__ = getattr(self._callable, '__name__', '[callable]') return spec return implementedBy(self._callable) def __repr__(self): #pragma NO COVER return '<%s for %s>' % (self.__class__.__name__, repr(self._callable))