How to tick checkboxes with the same name?

[malayrev at gmail.com]

вторник, 23 июля 2013 г., 11:25:00 UTC+4 пользователь Peter Otten написал:
> malayrev at gmail.com wrote:
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> 
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> > I faced a problem: to implement appropriate search program I need to tick
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> > few checkboxes which turned out to have the same name (name="a",
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> > id="a1","a2","a3","a4"). Set_input('a', True) does not work (I use Grab
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> > library), 
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> 
> 
> For all but the most popular projects a url works wonders. I'm assuming 
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> 
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> http://grablib.org
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> > this command leads to the error "checkboxgroup must be set to a
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> > sequence". I don't understand what the sequence actually is, so I'm stuck
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> > with how to tick the checkboxes. 
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> 
> 
> If I were to guess:
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> set_input("a", [True, True, True, True])
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> 
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> but I don't see that form documented on page
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> http://docs.grablib.org/api/ext_form.html
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> If it doesn't work try
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> set_input_by_id(_"a1", True)
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> set_input_by_id(_"a2", True)
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> 
> 
> and so on.

Well, I have read the documentation, I guess the problem lies in somewhat different field. As long as I understand it refers to Checkboxgroup classes. As checkboxes of interest belong to some common group with the common name "a", they do have values different from "True" or "False" (probably a sequence?) and I should guess somehow what are the real ones. How to do this?