O okay I see you what you mean.
Vitaly Babiy
On Sat, Feb 28, 2009 at 3:51 PM, Alex Gaynor <alex.gay...@gmail.com> wrote:
>
>
> On Sat, Feb 28, 2009 at 3:47 PM, Vitaly Babiy <vbabi...@gmail.com> wrote:
>
>> Here is my constructor:
>>
>> class EmailVerification(models.Model):
>> def __init__(self, user, ip, *args, **kargs):
>> # Build sha1 for email verification
>> sha1 = sha.new("".join([str(user.id), user.email, ip]))
>> self.sha = sha1
>> self.user = user
>>
>>
>> Vitaly Babiy
>>
>>
>> On Sat, Feb 28, 2009 at 3:41 PM, Alex Gaynor <alex.gay...@gmail.com>wrote:
>>
>>>
>>>
>>> On Sat, Feb 28, 2009 at 3:38 PM, Vitaly Babiy <vbabi...@gmail.com>wrote:
>>>
>>>> I have a model that I have created a custom consturctor now when I use
>>>> it in a test or in loaddata, I get this error:
>>>>
>>>> vba...@vbabiy-laptop:~/projects/git-projects/howsthedotcom$ ./manage.py
>>>> loaddata email_verification
>>>> Installing json fixture 'email_verification' from
>>>> '/home/vbabiy/projects/git-projects/howsthedotcom/../howsthedotcom/fixtures'.
>>>> Problem installing fixture
>>>> '/home/vbabiy/projects/git-projects/howsthedotcom/../howsthedotcom/fixtures/email_verification.json':
>>>> Traceback (most recent call last):
>>>> File
>>>> "/usr/lib/python2.5/site-packages/django/core/management/commands/loaddata.py",
>>>> line 150, in handle
>>>> for obj in objects:
>>>> File
>>>> "/usr/lib/python2.5/site-packages/django/core/serializers/json.py", line
>>>> 41,
>>>> in Deserializer
>>>> for obj in PythonDeserializer(simplejson.load(stream)):
>>>> File
>>>> "/usr/lib/python2.5/site-packages/django/core/serializers/python.py", line
>>>> 96, in Deserializer
>>>> yield base.DeserializedObject(Model(**data), m2m_data)
>>>> TypeError: __init__() takes at least 3 non-keyword arguments (1 given)
>>>>
>>>>
>>>>
>>>>
>>>> Vitaly Babiy
>>>>
>>>>
>>>>
>>> You need to create a constructor that has a comptible signature with the
>>> default one, Django instantiates models in a number of places and short of
>>> going in and hacking up the django source(which will cause it to break for
>>> other models) it's not going to magically work with your new signature. If
>>> you could provide your modified __init__ we could give some suggestions as
>>> to how to make the signature compatible.
>>>
>>> Alex
>>>
>>> --
>>> "I disapprove of what you say, but I will defend to the death your right
>>> to say it." --Voltaire
>>> "The people's good is the highest law."--Cicero
>>>
>>>
>>>
>>
>>
>>
> Ok what I would do is something like this:
> def __init__(self, *args, **kwargs):
> user, ip = kwargs.pop('user', None), kwargs.pop('ip', None)
> if user and ip:
> kwargs['sha'] = sha.new("".join([str(user.id), user.email, ip]))
> kwargs['user'] = user
> super(MyModel, self).__init__(*args, **kwargs)
>
> Which should work for both way of using it, although you need to pass user
> and ip as key word arguments and not as positional args.
>
>
> Alex
>
> --
> "I disapprove of what you say, but I will defend to the death your right to
> say it." --Voltaire
> "The people's good is the highest law."--Cicero
>
> >
>
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