34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
##############################################################################
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#
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# Copyright (c) 2004 Zope Foundation and Contributors.
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# All Rights Reserved.
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#
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# This software is subject to the provisions of the Zope Public License,
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# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
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# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
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# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
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# FOR A PARTICULAR PURPOSE.
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#
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##############################################################################
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""" Base event system implementation
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"""
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#: Applications may register for notification of events by appending a
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#: callable to the ``subscribers`` list.
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#:
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#: Each subscriber takes a single argument, which is the event object
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#: being published.
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#:
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#: Exceptions raised by subscribers will be propagated *without* running
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#: any remaining subscribers.
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subscribers = []
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def notify(event):
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""" Notify all subscribers of ``event``.
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"""
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for subscriber in subscribers:
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subscriber(event)
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