/usr/share/pyshared/grokcore/component/subscription.py is in python-grokcore.component 2.5-0ubuntu1.
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#
# Copyright (c) 2006-2007 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.
#
##############################################################################
"""Grok subscriptions functions.
"""
from zope import component
from grokcore.component import util
def queryOrderedMultiSubscriptions(components, interface):
return util.sort_components(component.subscribers(components, interface))
def queryOrderedSubscriptions(component, interface):
return queryOrderedMultiSubscriptions((component, ), interface)
def queryMultiSubscriptions(components, interface):
"""Query for subscriptions on the `components` providing `interface`.
:parameter components: tuple of components to lookup the subscription for.
:parameter interface: interface that the subscriptions should provide.
:return: a list of subscriptions.
"""
return component.subscribers(components, interface)
def querySubscriptions(component, interface):
"""Query for subscriptions on `component` providing `interface`.
:parameter component: a component to lookup the subscriptions for.
:parameter interface: interface that the subscriptions should provide.
:return: a list of subscription.
"""
return queryMultiSubscriptions((component,), interface)
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