On Thu, Feb 7, 2013 at 12:16 PM, laxglx <laxgl...@gmail.com> wrote:
>
> Hello Everybody,
>
> I'm going to create a Group using Django Group.
>
> I have two databases one is "master" and another is "slave"
> In master I created a user and group as usual.
>
> And in slave database I tried like this:
>
>
>>>> Group.objects.db_manager('slave').create(name="grp1")
>
> This returned an error :
>
> Traceback (most recent call last):
> File "<console>", line 1, in <module>
> File "/usr/lib/python2.6/site-packages/django/db/models/manager.py", line
> 138, in create
> return self.get_query_set().create(**kwargs)
> File "/usr/lib/python2.6/site-packages/django/db/models/query.py", line
> 358, in create
> obj.save(force_insert=True, using=self.db)
> TypeError: save() got an unexpected keyword argument 'force_insert'
Have you trimmed this traceback?
>
> I also tried as follows, but got error :
>
>>>> g = Group()
>>>> g.name = "grp1"
>>>> g.save(using='slave')
> Traceback (most recent call last):
> File "<console>", line 1, in <module>
> TypeError: save() got an unexpected keyword argument 'using'
>
It looks like you have overwritten the save() method on the model you
are trying to save, and have not given it a method signature capable
of accepting the necessary arguments that save() is expected to
handle.
I say 'looks like', since I think you have obliterated the parts of
the traceback that would tell me…
save() takes many arguments. If you are not specifying any additional
arguments for your save() method, then it should look like so:
def save(self, *args, **kwargs):
This protects you from having to change the method if more arguments
are added in later versions of django, eg when the 'using' argument
was added in 1.2.
As usual, the docs have canonical instructions on how to override
model methods like save():
https://docs.djangoproject.com/en/1.4/topics/db/models/#overriding-model-methods
Cheers
Tom
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