Python event.notify函数代码示例

 def createAndAdd(self, data):
     domain_model = self.domain_model
     # create the object, inspect data for constructor args      
     try:  
         ob = createInstance(domain_model, data)
     except TypeError:
         log.error("Failure: createInstance(%s, %s)", domain_model, data)
         probing.log_exc(sys.exc_info(), log_handler=log.error)
         ob = domain_model()
     # apply any context values
     self.finishConstruction(ob)
     # apply extra form values
     formlib.form.applyChanges(ob, self.form_fields, data, self.adapters)
     # set the object in container context, causing autosetting of 
     # constrained values e.g. one2many attributes, by triggering call to 
     # _ManagedContainer.constraints.setConstrainedValues()
     self.context[""] = ob
     # flush so we have database id
     Session().flush()
     # !+DataError reload form and display this error?
     # fire an object created event
     notify(ObjectCreatedEvent(ob)) # !+ would set doc_id (if session not flushed) !!
     # signal to add form machinery to go to next url
     self._finished_add = True
     # retrieve the object with location and security information
     oid = self.get_oid(ob)
     return self.context[oid]

 def _do_save(self, data):
     formlib.form.applyChanges(self.context, self.form_fields, data)
     # !+EVENT_DRIVEN_CACHE_INVALIDATION(mr, mar-2011) no modify event
     # invalidate caches for this domain object type
     notify(ObjectModifiedEvent(self.context))
     #cascade_modifications(self.context)
     invalidate_caches_for(self.context.__class__.__name__, "edit")

    def __call__(self, name, content_type, data):
        ctr = getToolByName(self.context, 'content_type_registry')
        type_ = ctr.findTypeName(name.lower(), '', '') or 'File'

        # XXX: quick fix for german umlauts
        name = name.decode("utf8")

        normalizer = getUtility(IFileNameNormalizer)
        chooser = INameChooser(self.context)

        # otherwise I get ZPublisher.Conflict ConflictErrors
        # when uploading multiple files
        upload_lock.acquire()

        # this should fix #8
        newid = chooser.chooseName(normalizer.normalize(name),
                                   self.context.aq_parent)
        try:
            transaction.begin()
            obj = ploneutils._createObjectByType(type_,
                                                 self.context, newid)
            mutator = obj.getPrimaryField().getMutator(obj)
            mutator(data, content_type=content_type)
            obj.setTitle(name)
            obj.reindexObject()

            notify(ObjectInitializedEvent(obj))
            notify(ObjectModifiedEvent(obj))

            transaction.commit()
        finally:
            upload_lock.release()
        return obj

    def test_document_fusion(self):
        # data source and model are in the same content
        alsoProvides(self.portal.REQUEST, ICollectiveDocumentfusionLayer)
        content = api.content.create(self.portal, type='letter',
                           title=u"En réponse...",
                           file=NamedFile(data=open(TEST_LETTER_ODT).read(),
                                          filename=u'letter.odt',
                                          contentType='application/vnd.oasis.opendocument.text'),
                           sender_name="Thomas Desvenain",
                           sender_address="57 Quai du Pré Long",
                           recipient_name="Vincent Fretin",
                           date=datetime.date(2012, 12, 23))

        notify(ObjectModifiedEvent(content))
        generated_stream = content.unrestrictedTraverse('@@getdocumentfusion')()
        self.assertTrue(generated_stream)
        self.assertEqual(self.portal.REQUEST.response['content-type'],
                         'application/pdf')
        generated_path = tempfile.mktemp(suffix='letter.pdf')
        generated_file = open(generated_path, 'w')
        generated_file.write(generated_stream.read())
        generated_file.close()

        txt_path = tempfile.mktemp(suffix='letter.pdf')
        subprocess.call(['pdftotext', generated_path, txt_path])
        txt = open(txt_path).read()
        self.assertIn('Vincent Fretin', txt)
        self.assertIn('57 Quai du Pré Long', txt)
        self.assertIn('2012', txt)
        self.assertIn(u'EN RÉPONSE...', txt)

        os.remove(txt_path)
        os.remove(generated_path)

    def retract(self, principal=None):
        if principal is None:
            principal = getPrincipal()

        if not self.isRetractable(principal):
            raise DraftException('Cannot retract content.')

        container = queryMultiAdapter((principal, self), IDraftContainer)
        if container is None:
            raise DraftException('Cannot find draft container.')

        content = self.context

        origName = content.__name__
        oldContainer = content.__parent__

        newName = INameChooser(container).chooseName(u'', content)

        container[newName] = removeAllProxies(content)
        del removeAllProxies(oldContainer)[origName]

        draft = container[newName]
        event.notify(ObjectRetractedEvent(content, draft))

        return draft

    def test_checked_out_docs_arent_listed_twice(self, browser):
        self.login(self.regular_user, browser=browser)

        self._clear_recently_touched_log(self.regular_user.getId())

        with freeze(datetime(2018, 4, 30)):
            manager = queryMultiAdapter(
                (self.document, self.request), ICheckinCheckoutManager)
            manager.checkout()
            notify(ObjectTouchedEvent(self.document))

        url = '%s/@recently-touched/%s' % (
            self.portal.absolute_url(), self.regular_user.getId())
        browser.open(url, method='GET', headers={'Accept': 'application/json'})

        # If a document is both in the log for recently touched objects as
        # well as checked out, it must only be listed once, in the
        # checked out documents section.

        self.assertEqual(200, browser.status_code)
        self.assertEquals(
            {'checked_out': [{
                'icon_class': 'icon-docx is-checked-out-by-current-user',
                'last_touched': '2018-04-30T00:00:00+02:00',
                'target_url': self.document.absolute_url(),
                'title': u'Vertr\xe4gsentwurf'}],
             'recently_touched': []},
            browser.json)

    def testOnItemCreation(self):
        """Test notification on item creation."""
        portal = self.portal
        ntool = getToolByName(portal, NTOOL_ID)
        changeProperty = lambda key, value: \
            ntool.manage_changeProperties(**{key: value})
        wtool = getToolByName(portal, 'portal_workflow')
        mh = portal.MailHost
        self.login('manager')

        ## Set correct rules so that 3 mails should be sent.
        changeProperty('item_creation_notification_enabled', True)
        changeProperty('on_item_creation_users', ['* :: *'])
        changeProperty('on_item_creation_mail_template',
                       ['* :: string:creation_mail_notification'])

        portal.invokeFactory('Document', 'document')
        ## See 'events/events.txt' for futher details about this
        ## manually fired event.
        event.notify(ObjectInitializedEvent(portal['document']))
        self.failUnlessSent(1)
        portal.manage_delObjects(['document'])
        mh.clearSentList()

        ## Set workflow initial state to 'publish', thus showing the
        ## new item to every users.
        wtool.simple_publication_workflow.initial_state = 'published'
        portal.invokeFactory('Document', 'document')
        event.notify(ObjectInitializedEvent(portal['document']))
        self.failUnlessSent(3)
        portal.manage_delObjects(['document'])
        mh.clearSentList()

        ## Disable notification
        changeProperty('item_creation_notification_enabled', False)
        portal.invokeFactory('Document', 'document')
        event.notify(ObjectInitializedEvent(portal['document']))
        self.failUnlessSent(0)
        portal.manage_delObjects(['document'])
        mh.clearSentList()

        ## Enable notification but set the notified users list to []
        changeProperty('item_creation_notification_enabled', True)
        ntool.manage_changeProperties(on_item_creation_users='* :: python: []')
        portal.invokeFactory('Document', 'document')
        event.notify(ObjectInitializedEvent(portal['document']))
        self.failUnlessSent(0)
        portal.manage_delObjects(['document'])
        mh.clearSentList()

        ## Set the notified users list to "everybody" but ask for a
        ## missing mail template
        changeProperty('on_item_creation_users', ['* :: *'])
        changeProperty('on_item_creation_mail_template',
                       ['* :: string:does_not_exist'])
        portal.invokeFactory('Document', 'document')
        event.notify(ObjectInitializedEvent(portal['document']))
        self.failUnlessSent(0)
        portal.manage_delObjects(['document'])
        mh.clearSentList()

    def _importNode(self, node):
        """Import the object from the DOM node.
        """
        for child in node.childNodes:
            # Properties
            if child.nodeName == 'property':
                name = child.getAttribute('name')
                purge = child.getAttribute('purge')
                purge = self._convertToBoolean(purge)

                elements = []
                field = self.context.getField(name)
                for element in child.childNodes:
                    if element.nodeName != 'element':
                        continue
                    elements.append(element.getAttribute('value'))
                if elements:
                    if not purge:
                        value = elements
                        oldValue = field.getAccessor(self.context)()
                        value.extend(x for x in oldValue if x not in value)
                    else:
                        value = []

                else:
                    value = self._getNodeText(child)
                    value = value.decode('utf-8')
                    value = value if not purge else u''

                field.getMutator(self.context)(value)
                notify(ObjectModifiedEvent(self.context))

        self.context.reindexObject()

 def applyChanges(self, data):
     changes = self.schema.setSchemaData(data)
     if changes:
         event.notify(ObjectModifiedEvent(self.context, Attributes(IContentSchema, *changes)))
         return {IContentSchema: changes}
     else:
         return {}

def fix_relations():
    relations_catalog = getUtility(ICatalog)
    intids = getUtility(IIntIds)

    relations = list(relations_catalog.findRelations())

    for relation in relations:
        from_object = intids.getObject(relation.from_id)
        from_attribute = relation.from_attribute
        to_id = relation.to_id

        attr = getattr(from_object, from_attribute, None)
        attr_is_list = isinstance(attr, list)

        # remove the broken relation
        if attr_is_list:
            setattr(from_object, from_attribute,
                    [x for x in attr if x is not relation])
        else:
            setattr(from_object, from_attribute, None)

        # let the catalog remove the old relation
        notify(ObjectModifiedEvent(from_object))

        attr = getattr(from_object, from_attribute, None)

        # create a new relation
        new_relation = RelationValue(to_id)
        if attr_is_list:
            attr.append(new_relation)
        else:
            setattr(from_object, from_attribute, new_relation)

        # let the catalog know about this new relation
        notify(ObjectModifiedEvent(from_object))

    def _create_file(self, item, files, title, description, rights):
        namechooser = INameChooser(self.context)
        content_type = item.headers.get('Content-Type')
        filename = safe_unicode(item.filename)
        data = item.read()
        id_name = ''
        title = title and title[0] or filename
        id_name = namechooser.chooseName(title, self.context)

        if content_type in IMAGE_MIMETYPES:
            portal_type = 'Image'
            wrapped_data = NamedBlobImage(data=data, filename=filename)
        else:
            portal_type = 'File'
            wrapped_data = NamedBlobFile(data=data, filename=filename)

        self.context.invokeFactory(portal_type,
                                   id=id_name,
                                   title=title,
                                   description=description[0],
                                   rights=rights[0])
        newfile = self.context[id_name]
        if portal_type == 'File':
            if IATFile.providedBy(newfile):
                newfile.setFile(data, filename=filename)
            else:
                newfile.file = wrapped_data
        elif portal_type == 'Image':
            if IATImage.providedBy(newfile):
                newfile.setImage(data, filename=filename)
            else:
                newfile.image = wrapped_data
        newfile.reindexObject()
        notify(ObjectModifiedEvent(newfile))
        return newfile

    def setUp(self):
        """ """
        portal = makerequest(self.layer['portal'])
        self.request = portal.REQUEST
        alsoProvides(self.request, IPloneintranetDocconvClientLayer)
        setRoles(portal, TEST_USER_ID, ('Manager',))

        gsettings = GlobalSettings(portal)
        self.storage_dir = mkdtemp()
        gsettings.storage_location = self.storage_dir

        # temporarily disable event handler so that we can test objects without
        # previews
        from ploneintranet.docconv.client import handlers
        _update_preview_images = handlers._update_preview_images
        handlers._update_preview_images = lambda obj, event: None

        self.workspace = api.content.create(
            type='Folder',
            title=u"Docconv Workspace",
            container=portal)
        ff = open(os.path.join(os.path.dirname(__file__), TEST_FILENAME), 'r')
        self.filedata = ff.read()
        ff.close()
        self.testfile = api.content.create(
            type='File',
            id='test-file',
            title=u"Test File",
            file=NamedBlobFile(data=self.filedata, filename=TEST_FILENAME),
            container=self.workspace)

        handlers._update_preview_images = _update_preview_images

        event.notify(BeforeTraverseEvent(portal, portal.REQUEST))

    def moveProcess(self, uid, targetUid):
        obj = self._getObject(uid)
        target = self._getObject(targetUid)
        brainsCollection = []

        # reindex all the devices and processes underneath this guy and the target
        for org in (obj.getPrimaryParent().getPrimaryParent(), target):
            catalog = ICatalogTool(org)
            brainsCollection.append(catalog.search(OSProcess))

        if isinstance(obj, OSProcessClass):
            source = obj.osProcessOrganizer()
            source.moveOSProcessClasses(targetUid, obj.id)
            newObj = getattr(target.osProcessClasses, obj.id)
        elif isinstance(obj, OSProcessOrganizer):
            source = aq_parent(obj)
            source.moveOrganizer(targetUid, (obj.id,))
            newObj = getattr(target, obj.id)
        else:
            raise Exception('Illegal type %s' % obj.__class__.__name__)

        # fire the object moved event for the process instances (will update catalog)
        for brains in brainsCollection:
            objs = imap(unbrain, brains)
            for item in objs:
                notify(ObjectMovedEvent(item, item.os(), item.id, item.os(), item.id))


        return newObj.getPrimaryPath()

    def createResponse(self, issue, text='Response text', issueTransition='',
                       newSeverity=None, newTargetRelease=None,
                       newResponsibleManager=None, attachment=None):
        """Create a response to the given tracker, and perform workflow and
        rename-after-creation initialisation"""
        from Products.Poi.browser.response import Create
        request = issue.REQUEST
        request.form['response'] = text
        request.form['transition'] = issueTransition
        if newSeverity is not None:
            request.form['severity'] = newSeverity
        if newTargetRelease is not None:
            request.form['targetRelease'] = newTargetRelease
        if newResponsibleManager is not None:
            request.form['responsibleManager'] = newResponsibleManager
        if attachment is not None:
            request.form['attachment'] = attachment
        create_view = Create(issue, request)
        # A response is created by calling this view:
        create_view()

        container = IResponseContainer(issue)
        id = str(len(container) - 1)
        response = container[id]

        # In tests we need to fire this event manually:
        notify(ObjectModifiedEvent(response))
        return response

 def __call__(self):
     
     if not isCachePurgingEnabled():
         return 'Caching not enabled'
     
     notify(Purge(self.context))
     return 'Queued'