jumpserver/apps/labels/mixins.py

38 lines
941 B
Python

from django.contrib.contenttypes.fields import GenericRelation
from django.db import models
from django.db.models import OneToOneField
from .models import LabeledResource
__all__ = ['LabeledMixin']
class LabeledMixin(models.Model):
_labels = GenericRelation(LabeledResource, object_id_field='res_id', content_type_field='res_type')
class Meta:
abstract = True
@classmethod
def label_model(cls):
pk_field = cls._meta.pk
model = cls
if isinstance(pk_field, OneToOneField):
model = pk_field.related_model
return model
@property
def real(self):
pk_field = self._meta.pk
if isinstance(pk_field, OneToOneField):
return getattr(self, pk_field.name)
return self
@property
def labels(self):
return self.real._labels
@labels.setter
def labels(self, value):
self.real._labels.set(value, bulk=False)