>
> I wounder what should be the best way to alter a form generated by 
> SQLFORM.factory in a way where fields will be placed into a html table a 3 
> columns.
>
> So each 3 fields I need to insert a "tr" and each field need to be in a 
> "td"...
>

You might want to create a custom form layout in the view: 
http://web2py.com/books/default/chapter/29/7#Custom-forms. That way you can 
still use SQLFORM.factory to handle all the widget creation and processing, 
but you can present the fields however you want. You might also check out 
plugin_solidform <http://dev.s-cubism.com/plugin_solidform>.

    formstring = "SQLFORM.factory(" +','.join(inputs_list)+")"
>
>     form = eval(formstring)
>

No need to eval code like that in Python. If you have a list of objects you 
want to submit as separate args to a function, just precede the list with 
an asterisk:

form = SQLFORM.factory(*input_list)

In that case, you can change the way you define the Field items in the list 
-- make them actual Field() objects rather than just strings of code.

Note, for keyword arguments, you can submit a dictionary preceded by two 
asterisks:

some_function(**some_dictionary)

Anthony

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