InlineModelAdmin.get_max_num(request, obj=None, **kwargs)
Returns the maximum number of extra inline forms to use. By default, returns the InlineModelAdmin.max_num attribute.
Override this method to programmatically determine the maximum number of inline forms. For example, this may be based on the model instance (passed as the keyword argument obj):
1 2 3 4 5 6 7 8 | class BinaryTreeAdmin(admin.TabularInline): model = BinaryTree def get_max_num(self, request, obj=None, **kwargs): max_num = 10 if obj.parent: return max_num - 5 return max_num |
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