akvo.rsr.models.project_hierarchy module

class akvo.rsr.models.project_hierarchy.ProjectHierarchy(*args, **kwargs)[source]

Bases: Model

The actual “Program” with a project hierarchy.

exception DoesNotExist: Bases: ObjectDoesNotExist

exception MultipleObjectsReturned: Bases: MultipleObjectsReturned

property descendants: The entire tree in a list. No order is guaranteed

id: A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_master: Used when an organisation has one program under which they would like to create subprograms

max_depth: TODO: It is unclear why this field currently exists

objects = <django.db.models.manager.Manager object>

property organisation: The reporting organisation of the tree

partnersite_set

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

property project_count: The number of children without counting the root project

property project_ids

project_relation = 'projecthierarchy__in'

root_project: The root of the program It can be used to create subprograms / a program tree

root_project_id