On Dec 7, 2006, at 1:53 PM, Alberto Valverde wrote:
>
>
> On Dec 7, 2006, at 1:17 PM, Ed Singleton wrote:
> ...
>
>>
>> For me, I have to produce lots of forms, but there's few variables
>> between them (form, table, welcome message, thanbk you message, etc).
>> Most of which would work fine except that the validate decorator
>> complains if the form doesn't exist at the point when the function is
>> decorated. So I moved it into __init__:
>>
>> class FormController(controllers.Controller):
>> def __init__(self, form, table, page, intro_text="",
>> thank_you="Thank you."):
>> super(FormController, self).__init__()
>> self.form = form
>> self.table = table
>> self.page = page
>> self.intro_text = intro_text
>> self.thank_you = thank_you
>>
>> @expose()
>> @validate(form=self.form)
>> @error_handler(self.index)
>> def save(**kwargs):
>> table.save(**kwargs)
>> raise redirect('thank_you')
>>
>> self.save = save
>>
>> @expose(template='.templates.form')
>> def index(self):
>> page = self.page
>> form = self.form
>> intro_text = self.intro_text
>> return dict(page=page, form=form,
>> intro_text=intro_text)
>>
>> @expose(template='.templates.form_thankyou')
>> def thank_you(self):
>> page = self.page
>> thank_you = self.thank_you
>> return dict(page=page, thank_you=
>> thank_you)
>>
>> It doesn't yet work, as when you save the form you get the error:
>> ....
>> TypeError: try_call() takes at least 2 non-keyword arguments (1
>> given)
>>
>> I'm wondering if this might be easier to do with your method of
>> having
>> a single function that does everything. But I'm not too
>
> When you're doing self.save = save your binding save as an unbound
> method so when it's called 'self' is not passed as first positional
> argument. You need to bind it as an instance method:
>
> from new import instancemethod
>
> def __init__(....):
> ...
> def save(self, **kwargs): # don't forget to specify 'self' as
> first parameter
> ....
> self.save = instancemethod(save, self, self.__class__)
>
> Alberto
Hmmm, and I think you might also need to pass the instance method
function to error_handler (but not sure):
@error_handler(self.index.im_func)
def save(...):
Please post back the solution when you find it... :)
Alberto
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