On 6 Jul 2014, at 7:04 PM, Bazida <hisand...@gmail.com> wrote:
> Hi, I was doing some tutorial from the web2py book, i ran into this following
> code
>
> def first():
> form = SQLFORM.factory(Field('visitor_name', requires=IS_NOT_EMPTY()))
> if form.process().accepted:
> name = form.vars.visitor_name
> redirect(URL('second',vars=dict(name=name))) # i did not get the
> logic behind vars=dict(name=name)))
> return dict(form=form) # I know it's a dictionary, I also know dictionary
> should be keys and values, how can a form be both keys and values here.
> instead of dict(form=form) shouldn't it be dict(something=form), since
> something is a key and form is a variable.
>
> def second():
> name = request.vars.visitor_name or redirect(URL('first'))
> return dict(name=name)
>
In Python (not just web2py), dict(form=form) is the same as { 'form': form }.
It's just naming the argument to the dict() function.
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