def testRenameEvents(self):
self.assertRaises(KeyError, self.reflecto.manage_renameObjects,
('monty',), ('python',))
self.assertEqual(len(getEvents()), 0)
self.assertRaises(KeyError, self.reflecto.manage_renameObjects,
('foo', 'monty'), ('bar', 'python'))
self.assertEqual(len(getEvents()), 1)
events = getEvents(IObjectWillBeMovedEvent)
self.assertEqual(len(events), 1)
self.assertEqual(events[0].oldName, 'foo')
self.assertEqual(events[0].newName, 'bar')
self.assertEqual(self.reflecto.manage_renameObjects(('foo',), ('bar',)),
['foo'])
events = getEvents()
self.assertEqual(len(events), 4)
self.assertTrue(IObjectWillBeMovedEvent.providedBy(events[1]))
self.assertTrue(IObjectMovedEvent.providedBy(events[2]))
self.assertEqual(events[2].oldName, 'foo')
self.assertEqual(events[2].newName, 'bar')
self.assertTrue(IContainerModifiedEvent.providedBy(events[3]))
self.assertTrue(events[3].object is self.reflecto)
def test_events(self):
from OFS.interfaces import IObjectWillBeAddedEvent
from zope.app.container.interfaces import IContainerModifiedEvent
from zope.app.container.interfaces import IObjectAddedEvent
from zope.component import adapter
from zope.component import provideHandler
from zope.lifecycleevent.interfaces import IObjectCreatedEvent
events = []
@adapter(IObjectCreatedEvent)
def _handleObjectCreated(event):
events.append(event)
provideHandler(_handleObjectCreated)
@adapter(IObjectWillBeAddedEvent)
def _handleObjectWillBeAdded(event):
events.append(event)
provideHandler(_handleObjectWillBeAdded)
@adapter(IObjectAddedEvent)
def _handleObjectAdded(event):
events.append(event)
provideHandler(_handleObjectAdded)
@adapter(IContainerModifiedEvent)
def _handleContainerModified(event):
events.append(event)
provideHandler(_handleContainerModified)
self.ti.constructInstance(self.f, 'foo')
self.assertEquals(len(events), 4)
evt = events[0]
self.failUnless(IObjectCreatedEvent.providedBy(evt))
self.assertEquals(evt.object, self.f.foo)
evt = events[1]
self.failUnless(IObjectWillBeAddedEvent.providedBy(evt))
self.assertEquals(evt.object, self.f.foo)
self.assertEquals(evt.oldParent, None)
self.assertEquals(evt.oldName, None)
self.assertEquals(evt.newParent, self.f)
self.assertEquals(evt.newName, 'foo')
evt = events[2]
self.failUnless(IObjectAddedEvent.providedBy(evt))
self.assertEquals(evt.object, self.f.foo)
self.assertEquals(evt.oldParent, None)
self.assertEquals(evt.oldName, None)
self.assertEquals(evt.newParent, self.f)
self.assertEquals(evt.newName, 'foo')
evt = events[3]
self.failUnless(IContainerModifiedEvent.providedBy(evt))
self.assertEquals(evt.object, self.f)
def create_version_on_save(context, event):
"""Creates a new version on a versionable object when the object is saved.
A new version is created if the type is automatic versionable and has
changed or if the user has entered a change note.
"""
# according to Products.CMFEditions' update_version_on_edit script
# only version the modified object, not its container on modification
if IContainerModifiedEvent.providedBy(event):
return
#aliases should not be versioned at all
if hasattr(context.aq_base, '_alias_portal_type'):
return
# XXX dirty hack for stagingbehavior, which triggers a event with
# a aq_based context when deleting the working copy
try:
pr = context.portal_repository
except AttributeError:
return
if not pr.isVersionable(context):
# cancel, the object is not versionable
return
create_version = False
if getattr(context, 'REQUEST', None):
changeNote = get_change_note(context.REQUEST, None)
else:
changeNote = None
if changeNote:
# user has entered a change note. create a new version even if nothing
# has changed.
create_version = True
elif pr.supportsPolicy(context, 'at_edit_autoversion'):
# automatic versioning is enabled for this portal type
if not base_hasattr(context, 'version_id'):
# we do not have a initial version
create_version = True
else:
try:
create_version = not pr.isUpToDate(context, context.version_id)
except ArchivistUnregisteredError:
# The object is not actually registered, but a version is
# set, perhaps it was imported, or versioning info was
# inappropriately destroyed
create_version = True
# create new version if needed
if create_version:
pr.save(obj=context, comment=changeNote)
def create_version_on_save(context, event):
"""Creates a new version on a versionable object when the object is saved.
A new version is created if the type is automatic versionable and has
changed or if the user has entered a change note.
"""
# according to Products.CMFEditions' update_version_on_edit script
# only version the modified object, not its container on modification
if IContainerModifiedEvent.providedBy(event):
return
#aliases should not be versioned at all
if hasattr(context.aq_base, '_alias_portal_type'):
return
# XXX dirty hack for stagingbehavior, which triggers a event with
# a aq_based context when deleting the working copy
try:
pr = context.portal_repository
except AttributeError:
return
if not pr.isVersionable(context):
# cancel, the object is not versionable
return
create_version = False
if getattr(context, 'REQUEST', None):
changeNote = get_change_note(context.REQUEST, None)
else:
changeNote = None
if changeNote:
# user has entered a change note. create a new version even if nothing
# has changed.
create_version = True
elif pr.supportsPolicy(context, 'at_edit_autoversion'):
# automatic versioning is enabled for this portal type
if not base_hasattr(context, 'version_id'):
# we do not have a initial version
create_version = True
else:
try:
create_version = not pr.isUpToDate(context, context.version_id)
except ArchivistUnregisteredError:
# The object is not actually registered, but a version is
# set, perhaps it was imported, or versioning info was
# inappropriately destroyed
create_version = True
# create new version if needed
if create_version:
pr.save(obj=context, comment=changeNote)
def testCutEvents(self):
cp = self.reflecto.manage_cutObjects(('foo',))
self.reflecto['subdir'].manage_pasteObjects(cp)
events = getEvents()
self.assertEqual(len(events), 4)
self.assertTrue(IObjectWillBeMovedEvent.providedBy(events[0]))
self.assertEqual(events[0].oldName, 'foo')
self.assertEqual(events[0].oldParent, self.reflecto)
self.assertEqual(events[0].newName, 'foo')
self.assertEqual(events[0].newParent, self.reflecto['subdir'])
self.assertTrue(IObjectMovedEvent.providedBy(events[1]))
self.assertEqual(events[1].object.getId(), 'foo')
self.assertTrue(IContainerModifiedEvent.providedBy(events[2]))
self.assertEqual(events[2].object, self.reflecto)
self.assertTrue(IContainerModifiedEvent.providedBy(events[3]))
self.assertEqual(events[3].object, self.reflecto['subdir'])
def renameAfterCreation(obj, event):
"""Rename object after first edit.
"""
# Do no rename when the object is first added
if not IContainerModifiedEvent.providedBy(event):
utils = getToolByName(obj, 'plone_utils')
# Rename only if the current id is autogenerated
if utils.isIDAutoGenerated(obj.id):
parent = aq_inner(obj).getParentNode()
if parent is not None:
chooser = INameChooser(parent)
newid = chooser.chooseName('', obj)
parent.manage_renameObject(obj.id, newid)
def validateContext(object, event):
""" create the Zipfile after some final checks """
parent = getUtility(IECUtility).FindECParent(object)
file_id = parent.id + ".zip"
pw = event.object.portal_workflow
if parent.portal_type == "Course":
if pw.getInfoFor(parent, "review_state") == "Published":
if not event.object.isTemporary():
if event.object.id != file_id:
if not IContainerModifiedEvent.providedBy(event):
ZipFileCreator(parent, event).createZipFile()
def renameAfterCreation(obj, event):
"""Rename object after first edit.
"""
# Do no rename when the object is first added
if not IContainerModifiedEvent.providedBy(event):
utils = getToolByName(obj, 'plone_utils')
# Rename only if the current id is autogenerated
if utils.isIDAutoGenerated(obj.id):
parent = aq_inner(obj).getParentNode()
if parent is not None:
chooser = INameChooser(parent)
newid = chooser.chooseName('', obj)
parent.manage_renameObject(obj.id, newid)
def testCopyEvents(self):
cp = self.reflecto.manage_copyObjects(('foo',))
self.reflecto.manage_pasteObjects(cp)
events = getEvents()
self.assertEqual(len(events), 3)
self.assertTrue(IObjectCopiedEvent.providedBy(events[0]))
self.assertEqual(events[0].original.getId(), 'foo')
self.assertEqual(events[0].object.getId(), 'copy_of_foo')
self.assertTrue(IObjectClonedEvent.providedBy(events[1]))
self.assertEqual(events[1].object.getId(), 'copy_of_foo')
self.assertTrue(IContainerModifiedEvent.providedBy(events[2]))
self.assertTrue(events[2].object is self.reflecto)
def save_featurelets(obj, event=None, request=None):
"""
IObjectModified event subscriber that installs the appropriate
featurelets.
"""
if IContainerModifiedEvent.providedBy(event):
# we only care about direct edits
return
if not request:
request = obj.REQUEST
if event and request.get('__initialize_project__', None):
# bail if project isn't actuated yet and we are used via an
# IObjectModifiedEvent event
return
if request.get('set_flets') is None:
# don't do anything unless we're actually coming from the
# project edit screen
return
# XXX there must be a better way... :-|
if request.get('flet_recurse_flag') is not None:
return
request.set('flet_recurse_flag', True)
supporter = IFeatureletSupporter(obj)
flets = dict(getAdapters((supporter,), IFeaturelet))
desired = request.form.get('featurelets')
if desired is None:
desired = tuple()
desired = set(desired)
installed = set([name for name, flet in flets.items() if flet.installed])
needed = desired.difference(installed)
for flet_id in needed:
supporter.installFeaturelet(flets[flet_id])
removed = installed.difference(desired)
for flet_id in removed:
supporter.removeFeaturelet(flets[flet_id])
def testDeleteEvents(self):
self.assertRaises(KeyError, self.reflecto.manage_delObjects, ('monty',))
self.assertEqual(len(getEvents()), 0)
self.assertRaises(KeyError, self.reflecto.manage_delObjects,
('foo', 'monty',))
self.assertEqual(len(getEvents()), 1)
events = getEvents(IObjectWillBeRemovedEvent)
self.assertEqual(len(events), 1)
self.assertEqual(events[0].oldName, 'foo')
self.assertEqual(self.reflecto.manage_delObjects(('foo',)), None)
events = getEvents()
self.assertEqual(len(events), 4)
self.assertTrue(IObjectWillBeRemovedEvent.providedBy(events[1]))
self.assertTrue(IObjectRemovedEvent.providedBy(events[2]))
self.assertEqual(events[2].oldName, 'foo')
self.assertTrue(IContainerModifiedEvent.providedBy(events[3]))
self.assertTrue(events[3].object is self.reflecto)
def changeMailingList(ml, event):
"""An event listener which registers and unregisters lists with the
ListLookup utility on list changes.
Some framework setup:
>>> from zope.app.testing.placelesssetup import setUp, tearDown
>>> import Products.Five
>>> from Products.Five import zcml
>>> setUp()
>>> zcml.load_config('meta.zcml', package=Products.Five)
>>> zcml.load_config('permissions.zcml', package=Products.Five)
>>> zcml.load_config("configure.zcml", package=Products.Five.site)
>>> from Products.listen.utilities import tests
>>> zcml.load_config('configure.zcml', package=tests)
Now let's make a fake mailing list in our site
>>> from zope.app.component.hooks import setSite
>>> app = self.folder
>>> tests.enable_local_site(app)
>>> setSite(app)
>>> ml = tests.install_fake_ml(app, suppress_events=True)
>>> setSite(ml)
Then we setup our listener
>>> from zope.app.event.interfaces import IObjectModifiedEvent
>>> from zope.app.container.interfaces import IObjectMovedEvent
>>> from OFS.interfaces import IObjectWillBeRemovedEvent
>>> from Products.listen.utilities.list_lookup import changeMailingList
>>> from zope.component import handle
>>> from Products.listen.interfaces import IMailingList
>>> handle([IMailingList, IObjectWillBeRemovedEvent], changeMailingList)
>>> handle([IMailingList, IObjectMovedEvent], changeMailingList)
>>> handle([IMailingList, IObjectModifiedEvent], changeMailingList)
Create and register our utility. Have to do some faking of the
component registry stuff to get our mock environment to work:
>>> from Products.listen.interfaces import IListLookup
>>> from Products.listen.utilities.list_lookup import ListLookup
>>> from Products.listen.lib.common import get_utility_for_context
>>> sm = app.getSiteManager()
>>> sm.registerUtility(ListLookup('list_lookup'), IListLookup)
>>> tests.register_fake_component_adapter()
>>> ll = get_utility_for_context(IListLookup, context=app)
>>> print ll.getListForAddress(ml.mailto)
None
Send our added event:
>>> from zope.event import notify
>>> from zope.app.container.contained import ObjectAddedEvent
>>> notify(ObjectAddedEvent(ml, app, 'ml'))
>>> ll.getListForAddress(ml.mailto) == ml
True
Change the list and send an event:
>>> ml.mailto = '*****@*****.**'
>>> from zope.app.event.objectevent import ObjectModifiedEvent
>>> notify(ObjectModifiedEvent(ml))
>>> ll.getListForAddress(ml.mailto) == ml
True
Send a removal event, which should do nothing, as we rely on before
removal:
>>> from zope.app.container.contained import ObjectRemovedEvent
>>> notify(ObjectRemovedEvent(ml, app, 'ml'))
>>> ll.getListForAddress(ml.mailto) == ml
True
Send a before removal event:
>>> from OFS.event import ObjectWillBeRemovedEvent
>>> notify(ObjectWillBeRemovedEvent(ml))
>>> ll.getListForAddress(ml.mailto) is None
True
>>> tearDown()
"""
# Use the new parent object as the context, unless it is unavailable, then
# use the list itself
parent = None
if hasattr(event, 'newParent'):
parent = event.newParent
if parent is None:
parent = ml
try:
ll = getUtility(IListLookup)
except ComponentLookupError:
# site won't be set if you delete the Plone site from the ZMI
orig_site = getSite()
setSite(ml)
ll = getUtility(IListLookup, context=ml)
setSite(orig_site)
if IObjectWillBeAddedEvent.providedBy(event):
# Registration is taken care of after add
pass
elif IObjectWillBeRemovedEvent.providedBy(event):
ll.unregisterList(ml)
elif IObjectWillBeMovedEvent.providedBy(event):
ll.unregisterList(ml)
elif IObjectRemovedEvent.providedBy(event):
# Unregistration is taken care of before removal
pass
elif IObjectModifiedEvent.providedBy(event):
if not IContainerModifiedEvent.providedBy(event):
ll.updateList(ml)
elif IObjectAddedEvent.providedBy(event) or IObjectCreatedEvent.providedBy(
event):
ll.registerList(ml)
elif IObjectMovedEvent.providedBy(event):
ll.registerList(ml)
def changeMailingList(ml, event):
"""An event listener which registers and unregisters lists with the
ListLookup utility on list changes.
Some framework setup:
>>> from zope.app.testing.placelesssetup import setUp, tearDown
>>> import Products.Five
>>> from Products.Five import zcml
>>> setUp()
>>> zcml.load_config('meta.zcml', package=Products.Five)
>>> zcml.load_config('permissions.zcml', package=Products.Five)
>>> zcml.load_config("configure.zcml", package=Products.Five.site)
>>> from Products.listen.utilities import tests
>>> zcml.load_config('configure.zcml', package=tests)
Now let's make a fake mailing list in our site
>>> from zope.app.component.hooks import setSite
>>> app = self.folder
>>> tests.enable_local_site(app)
>>> setSite(app)
>>> ml = tests.install_fake_ml(app, suppress_events=True)
>>> setSite(ml)
Then we setup our listener
>>> from zope.app.event.interfaces import IObjectModifiedEvent
>>> from zope.app.container.interfaces import IObjectMovedEvent
>>> from OFS.interfaces import IObjectWillBeRemovedEvent
>>> from Products.listen.utilities.list_lookup import changeMailingList
>>> from zope.component import handle
>>> from Products.listen.interfaces import IMailingList
>>> handle([IMailingList, IObjectWillBeRemovedEvent], changeMailingList)
>>> handle([IMailingList, IObjectMovedEvent], changeMailingList)
>>> handle([IMailingList, IObjectModifiedEvent], changeMailingList)
Create and register our utility. Have to do some faking of the
component registry stuff to get our mock environment to work:
>>> from Products.listen.interfaces import IListLookup
>>> from Products.listen.utilities.list_lookup import ListLookup
>>> from Products.listen.lib.common import get_utility_for_context
>>> sm = app.getSiteManager()
>>> sm.registerUtility(ListLookup('list_lookup'), IListLookup)
>>> tests.register_fake_component_adapter()
>>> ll = get_utility_for_context(IListLookup, context=app)
>>> print ll.getListForAddress(ml.mailto)
None
Send our added event:
>>> from zope.event import notify
>>> from zope.app.container.contained import ObjectAddedEvent
>>> notify(ObjectAddedEvent(ml, app, 'ml'))
>>> ll.getListForAddress(ml.mailto) == ml
True
Change the list and send an event:
>>> ml.mailto = '*****@*****.**'
>>> from zope.app.event.objectevent import ObjectModifiedEvent
>>> notify(ObjectModifiedEvent(ml))
>>> ll.getListForAddress(ml.mailto) == ml
True
Send a removal event, which should do nothing, as we rely on before
removal:
>>> from zope.app.container.contained import ObjectRemovedEvent
>>> notify(ObjectRemovedEvent(ml, app, 'ml'))
>>> ll.getListForAddress(ml.mailto) == ml
True
Send a before removal event:
>>> from OFS.event import ObjectWillBeRemovedEvent
>>> notify(ObjectWillBeRemovedEvent(ml))
>>> ll.getListForAddress(ml.mailto) is None
True
>>> tearDown()
"""
# Use the new parent object as the context, unless it is unavailable, then
# use the list itself
parent = None
if hasattr(event, 'newParent'):
parent = event.newParent
if parent is None:
parent = ml
try:
ll = getUtility(IListLookup)
except ComponentLookupError:
# site won't be set if you delete the Plone site from the ZMI
orig_site = getSite()
setSite(ml)
ll = getUtility(IListLookup, context=ml)
setSite(orig_site)
if IObjectWillBeAddedEvent.providedBy(event):
# Registration is taken care of after add
pass
elif IObjectWillBeRemovedEvent.providedBy(event):
ll.unregisterList(ml)
elif IObjectWillBeMovedEvent.providedBy(event):
ll.unregisterList(ml)
elif IObjectRemovedEvent.providedBy(event):
# Unregistration is taken care of before removal
pass
elif IObjectModifiedEvent.providedBy(event):
if not IContainerModifiedEvent.providedBy(event):
ll.updateList(ml)
elif IObjectAddedEvent.providedBy(event) or IObjectCreatedEvent.providedBy(event):
ll.registerList(ml)
elif IObjectMovedEvent.providedBy(event):
ll.registerList(ml)
