Yes. __getattr__ is right method.
суббота, 18 мая 2013 г., 19:12:11 UTC+4 пользователь Anthony написал:
>
> It's __getattr__ (not __getitem__) that should take the "default"
> argument, right?
>
> On Saturday, May 18, 2013 10:44:05 AM UTC-4, Vlasov Vitaly wrote:
>>
>> Hello group.
>>
>> I think i found bug in Reference.get(). Please check my message.
>>
>> Test db.py:
>>
>> db.define_table('person', Field
>> <http://127.0.0.1:8000/examples/global/vars/Field>('name', 'string'), Field
>> <http://127.0.0.1:8000/examples/global/vars/Field>('city', 'string'))
>> db.define_table('info', Field
>> <http://127.0.0.1:8000/examples/global/vars/Field>('somebody', 'reference
>> person'), Field
>> <http://127.0.0.1:8000/examples/global/vars/Field>('something', 'string'))
>>
>>
>> person table got record: 1, John, New York
>> info table got record: 1, 1, someinfo
>>
>> Test index.py
>> def index():
>> data=None
>>
>> form=FORM <http://127.0.0.1:8000/examples/global/vars/FORM>(INPUT
>> <http://127.0.0.1:8000/examples/global/vars/INPUT>(_type='submit',
>> _value='Test reference.get()'))
>> if form.process().accepted:
>> ref=db(db.info.id>0).select().first().somebody
>> data=[type(ref), ref, ref.name]
>> try:
>> n = ref.get('name')
>> data.append(n)
>> except TypeError as TE:
>> data.append(TE)
>> return dict(form=form, message=data)
>> return dict(form=form, message='Click test button')
>>
>>
>> And view/default/index.html show form and returned data.
>>
>> When a call ref.get('fieldname'), exception is raised. But if i call
>> ref['field name'] data is returned.
>> So, let's look in gluon/dal.py:
>> class Reference(long):
>> .....
>> def get(self, key, default=None):
>> return self.__getattr__(key, default)
>> .....
>> def __getitem__(self, key):
>> if key == 'id':
>> return int(self)
>> self.__allocate()
>> return self._record.get(key, None)
>> __getitem__ don't know about default arg.
>>
>
--
---
You received this message because you are subscribed to the Google Groups
"web2py-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.
