Erik, as stated in documentation, what you said is equivalent to what i did
and the error exists yet. to have more details, here is the stack trace:
On Monday, August 3, 2015 at 3:01:28 PM UTC+4:30, Erik Cederstrand wrote:
-- and the error exists yet. to have more details, here is the stack trace:
Traceback (most recent call last):
File "<console>", line 2, in <module>
File "/home/user/Workspace/src/models.py", line 155, in create_from_dict
obj.bars.clear()
File "/usr/local/lib/python2.7/dist-packages/django/db/models/fields/related.py", line 1253, in __get__
through=self.field.rel.through,
File "/usr/local/lib/python2.7/dist-packages/django/db/models/fields/related.py", line 862, in __init__
source_field = through._meta.get_field(source_field_name)
File "/usr/local/lib/python2.7/dist-packages/django/db/models/options.py", line 554, in get_field
raise FieldDoesNotExist('%s has no field named %r' % (self.object_name, field_name))
FieldDoesNotExist: Foo_bars has no field named None
On Monday, August 3, 2015 at 3:01:28 PM UTC+4:30, Erik Cederstrand wrote:
> Den 03/08/2015 kl. 08.50 skrev mohse...@gmail.com:
>
> Hello Django community.
> I have two Django models Foo and Bar that have a ManyToMany relation:
>
> Class Foo(models.model):
>
> ...
>
> bars = models.ManyToManyField('Bar', related_name='foos')
> somewhere in the code, i do direct assignment to replace the relation with a new list:
>
> foo_object.bars = [bar_object_list]
You can't do that, AFAIK. You need to do:
foo_object.bars.clear()
foo_object.bars.add(*bar_object_list)
Erik
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