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##############################################################################
#
# 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))