id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
18021	"An attribute for related_name is not created for many-to-many relationships on ""self"""	dmitry.blotsky@…	nobody	"When a ManyToMany relationship named ""a1"" is specified on ""self"" with a related_name=""a2"", an attribute named ""a2"" is NOT created on the object and reverse relationships are updated in related objects' ""a1"" attribute.

Code to demonstrate:

{{{#!python
class Container(models.Model):
    contains = models.ManyToManyField(""self"", related_name=""contained_in"")

(Interactive Console)
>>> a, b = Container(), Container()
>>> a.save()
>>> b.save()
>>> a.contains.add(b)
>>> a.contains.all()
[b]
>>> b.contains.all()
[a]
>>> b.contained_in
Traceback (most recent call last):
  File ""<console>"", line 1, in <module>
AttributeError: 'Container' object has no attribute 'contained_in'
}}}"	Bug	closed	Database layer (models, ORM)	1.3	Normal	invalid	many-to-many many to many reverse lookup relationship related_name related name recursive self		Unreviewed	0	0	0	0	0	0