modules/libjuju/juju/delta.py

   1 from .client import client
   2
   3
   4 def get_entity_delta(d):
   5     return _delta_types[d.entity](d.deltas)
   6
   7
   8 def get_entity_class(entity_type):
   9     return _delta_types[entity_type].get_entity_class()
  10
  11
  12 class EntityDelta(client.Delta):
  13     def get_id(self):
  14         return self.data['id']
  15
  16     @classmethod
  17     def get_entity_class(self):
  18         return None
  19
  20
  21 class ActionDelta(EntityDelta):
  22     @classmethod
  23     def get_entity_class(self):
  24         from .action import Action
  25         return Action
  26
  27
  28 class ApplicationDelta(EntityDelta):
  29     def get_id(self):
  30         return self.data['name']
  31
  32     @classmethod
  33     def get_entity_class(self):
  34         from .application import Application
  35         return Application
  36
  37
  38 class AnnotationDelta(EntityDelta):
  39     def get_id(self):
  40         return self.data['tag']
  41
  42     @classmethod
  43     def get_entity_class(self):
  44         from .annotation import Annotation
  45         return Annotation
  46
  47
  48 class MachineDelta(EntityDelta):
  49     @classmethod
  50     def get_entity_class(self):
  51         from .machine import Machine
  52         return Machine
  53
  54
  55 class UnitDelta(EntityDelta):
  56     def get_id(self):
  57         return self.data['name']
  58
  59     @classmethod
  60     def get_entity_class(self):
  61         from .unit import Unit
  62         return Unit
  63
  64
  65 class RelationDelta(EntityDelta):
  66     @classmethod
  67     def get_entity_class(self):
  68         from .relation import Relation
  69         return Relation
  70
  71
  72 _delta_types = {
  73     'action': ActionDelta,
  74     'application': ApplicationDelta,
  75     'annotation': AnnotationDelta,
  76     'machine': MachineDelta,
  77     'unit': UnitDelta,
  78     'relation': RelationDelta,
  79 }