def filter_child_classes(self, site, classes):
"""
What Content classes from `classes` would I let be my children?
"""
validator = partial(site.validate_relationship, self.content)
return filter(exception_to_bool(validator, ParentChildRejection),
classes)
def filter_child_classes(self, site, classes):
"""
What Content classes from `classes` would I let be my children?
"""
validator = partial(site.validate_relationship, self.content)
return list(filter(
exception_to_bool(validator, ParentChildRejection),
classes))
def possible_parents(self, site, root_node):
"""
Where in root_node's tree can I be moved?
"""
validator = exception_to_bool(
partial(site.validate_relationship, child=self.content),
ParentChildRejection)
all_nodes = root_node.depth_first_order()
my_family = set(self.depth_first_order())
return [i for i in all_nodes if validator(i.content) and i not in my_family]
