/usr/share/pyshared/zope/lifecycleevent/interfaces.py is in python-zope.lifecycleevent 4.0.3-0ubuntu1.
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#
# Copyright (c) 2002, 2003 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.
#
##############################################################################
"""Event-related interfaces
"""
__docformat__ = 'restructuredtext'
from zope.interface import Interface, Attribute
from zope.interface import interfaces
class IZopeLifecycleEvent(Interface):
def created(object):
"""Send an IObjectCreatedEvent for `object`."""
def modified(object, *descriptions):
"""Send an IObjectModifiedEvent for `object`.
`descriptions` is a sequence of interfaces or fields which were
updated.
"""
def copied(object, original):
"""Send an IObjectCopiedEvent for object.
`original` is the object the copy was created from.
"""
def moved(object, oldParent, oldName, newParent, newName):
"""Send an IObjectMovedEvent for object.
`oldParent` is the container `object` was removed from.
`oldName` was the name used to store `object` in `oldParent`.
`newParent` is the container `object` was added to.
`newName` is the name used to store `object` in `newParent`.
"""
def added(object, newParent=None, newName=None):
"""Send an IObjectAddedEvent for object.
`newParent` is the container `object` was added to.
`newName` is the name used to store `object` in the container.
These will be determined object.__parent__ and object.__name__
if None.
"""
def removed(object, oldParent=None, oldName=None):
"""Send an IObjectRemovedEvent for object.
`oldParent` is the container `object` was removed from.
`oldName` was the name used to store `object` in `oldParent`.
These will be determined object.__parent__ and object.__name__
if None.
"""
class IObjectCreatedEvent(interfaces.IObjectEvent):
"""An object has been created.
The location will usually be ``None`` for this event."""
class IObjectCopiedEvent(IObjectCreatedEvent):
"""An object has been copied"""
original = Attribute("The original from which the copy was made")
class IObjectModifiedEvent(interfaces.IObjectEvent):
"""An object has been modified"""
class IModificationDescription(Interface):
""" Marker interface for descriptions of object modifications.
Can be used as a parameter of an IObjectModifiedEvent."""
class IAttributes(IModificationDescription):
""" Describes the attributes of an interface.
"""
interface = Attribute("The involved interface.")
attributes = Attribute("A sequence of modified attributes.")
class ISequence(IModificationDescription):
""" Describes the modified keys of a sequence-like interface.
"""
interface = Attribute("The involved interface.")
keys = Attribute("A sequence of modified keys.")
##############################################################################
# Moving Objects
class IObjectMovedEvent(interfaces.IObjectEvent):
"""An object has been moved."""
oldParent = Attribute("The old location parent for the object.")
oldName = Attribute("The old location name for the object.")
newParent = Attribute("The new location parent for the object.")
newName = Attribute("The new location name for the object.")
##############################################################################
# Adding objects
class IObjectAddedEvent(IObjectMovedEvent):
"""An object has been added to a container."""
##############################################################################
# Removing objects
class IObjectRemovedEvent(IObjectMovedEvent):
"""An object has been removed from a container."""
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