Fix the m2m_changed when accessed reversed

This commit is contained in:
Wayne Witzel III
2016-03-11 15:59:01 -05:00
parent 45483fb057
commit 16673b1468
2 changed files with 7 additions and 3 deletions

View File

@@ -204,11 +204,15 @@ class ImplicitRoleField(models.ForeignKey):
else:
sender = field.related.through
m2m_changed.connect(self.m2m_update(field_attr), sender, weak=False)
reverse = type(field) is ManyRelatedObjectsDescriptor
m2m_changed.connect(self.m2m_update(field_attr, reverse), sender, weak=False)
def m2m_update(self, field_attr):
def m2m_update(self, field_attr, _reverse):
def _m2m_update(instance, action, model, pk_set, reverse, **kwargs):
if action == 'post_add' or action == 'pre_remove':
if _reverse:
reverse = not reverse
if reverse:
for pk in pk_set:
obj = model.objects.get(pk=pk)