I am doing tests and the m2m_changed signal seems to work perfectly as
long as I have not defined a "through" model. Is there any trick here?
Thanks!
On 06/28/2013 12:14 PM, Roberto López López wrote:
>
> I have tried as well using the post_save signal and overriding the
> save() method. But in none of those cases Project.departments is
> populated yet when reaching my code :-/
>
>
>
> On 06/28/2013 11:50 AM, Roberto López López wrote:
>>
>> Hi,
>>
>> I am trying to listen to the m2m_changed signal on my models, but I
>> can't make it work. Even the execution flow does not reach the linked
>> method!
>>
>> class Project(models.Model):
>> departments = models.ManyToManyField('department.Department',
>> related_name='projects',
>>
>> through='project.ProjectDepartmentMembership')
>>
>> @receiver(m2m_changed, sender=Project.departments.through)
>> def _on_change_m2m(sender, instance, action, reverse, model,
>> pk_set, using, **kwargs):
>> pass
>>
>> As interface I am using the django admin, and departments appears as
>> an inline of Project
>>
>> Any help please? Thanks.
>>
>> Cheers,
>>
>> Roberto
>>
>>
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>>
>
>
> --
> Kind regards,
>
> Roberto López López
>
>
> System Developer
> Parallab, Uni Computing
> Høyteknologisenteret, Thormøhlensgate 55
> N-5008 Bergen, Norway
> Tel: (+47) 555 84091
> --
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>
--
Kind regards,
Roberto López López
System Developer
Parallab, Uni Computing
Høyteknologisenteret, Thormøhlensgate 55
N-5008 Bergen, Norway
Tel: (+47) 555 84091
--
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