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
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