Suppose I have a model:
-------------------------------------------------------------
class Person(models.Model):
name = models.CharField(max_length=max)
class Group(models.Model):
name = models.CharField(max_length=max)
persons = models.ManyToManyField(Person)
----------------------------------------------------
How should I handle this in admin page? The Group admin-change-page
has automaticaly a persons m2m field, what is ok, but if I try append
the reverse dircection. like this:
-------------------------------------------------------
class GroupInline(admin.TabularInline):
model = Group
class PersonAdmin(admin.ModelAdmin):
inlines = [
GroupInline,
]
---------------------------------------------
I've got an error message:
-----------------------------------
Exception Value:
<class 'Person'> has no ForeignKey to <class 'Group'>
--------------------------------------
What is the solution? How can I have both dircetion fields in admin
page? To define an empty intermediate model does'nt like me.
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