def evolve(context):
linkcatalogs.ensureEvolved(context)
root = context.connection.root().get(ZopePublication.root_name, None)
savepoint_counter = 0
# Groups are no longer allowed as members of a section.
groups = findObjectsProviding(root, IGroup)
for group in groups:
targets = getRelatedObjects(group, URIGroup, rel_type=URIMembership)
group_members = getRelatedObjects(group,
URIMember,
rel_type=URIMembership)
for target in targets:
target_members = getRelatedObjects(target,
URIMember,
rel_type=URIMembership)
for member in group_members:
if member not in target_members:
relate(URIMembership, (member, URIMember),
(target, URIGroup))
savepoint_counter += 1
unrelate(URIMembership, (group, URIMember), (target, URIGroup))
if savepoint_counter % 2000 == 0:
transaction.savepoint(optimistic=True)
# Courses gained several new attributes, fill in their course_id
courses = findObjectsProviding(root, ICourse)
for course in courses:
if getattr(course, 'course_id', None) is None:
course.course_id = course.__name__
def evolve(context):
linkcatalogs.ensureEvolved(context)
root = context.connection.root().get(ZopePublication.root_name, None)
savepoint_counter = 0
# Groups are no longer allowed as members of a section.
groups = findObjectsProviding(root, IGroup)
for group in groups:
targets = getRelatedObjects(
group, URIGroup, rel_type=URIMembership)
group_members = getRelatedObjects(
group, URIMember, rel_type=URIMembership)
for target in targets:
target_members = getRelatedObjects(
target, URIMember, rel_type=URIMembership)
for member in group_members:
if member not in target_members:
relate(URIMembership,
(member, URIMember),
(target, URIGroup))
savepoint_counter += 1
unrelate(URIMembership,
(group, URIMember),
(target, URIGroup))
if savepoint_counter % 2000 == 0:
transaction.savepoint(optimistic=True)
# Courses gained several new attributes, fill in their course_id
courses = findObjectsProviding(root, ICourse)
for course in courses:
if getattr(course, 'course_id', None) is None:
course.course_id = course.__name__
def relate(self, other, meaning=ACTIVE, code=ACTIVE_CODE):
links = IRelationshipLinks(self.this)
try:
link = links.find(self.my_role, other, self.other_role, self.rel_type)
except ValueError:
relate(self.rel_type,
(self.this, self.my_role),
(other, self.other_role))
link = links.find(self.my_role, other, self.other_role, self.rel_type)
link.state.set(self.filter_date, meaning=meaning, code=code)
notify(LinkStateModifiedEvent(
link, self.this, other, self.filter_date, meaning, code))
def relate(self, other, meaning=ACTIVE, code=ACTIVE_CODE):
links = IRelationshipLinks(self.this)
try:
link = links.find(self.my_role, other, self.other_role,
self.rel_type)
except ValueError:
relate(self.rel_type, (self.this, self.my_role),
(other, self.other_role))
link = links.find(self.my_role, other, self.other_role,
self.rel_type)
link.state.set(self.filter_date, meaning=meaning, code=code)
notify(
LinkStateModifiedEvent(link, self.this, other, self.filter_date,
meaning, code))