Re: [Cheetahtemplate-discuss] variables in template

[James A. <ab...@gm...>]

On Fri, Jul 12, 2013 at 11:32 AM, Redhorse, Olivia J. (WSTF-RD)[Jacobs
Technology Inc] <oli...@na...> wrote:

>  #for $i in $hdrcol:
> #set $fldvalue = ‘$’ + ‘spform[spdata].sp’ + str( $i )
> <input type=”text” name=”testfield” value=”$fldvalue”/>
> #end for
>
> In the code above, the input value $fldvalue will display
> $spform[spdata].sp0 and not the actual value from spform dictionary.  I am
> trying to create an incrementing value such as; sp1, sp2, sp3,..etc in
> $fldvalue to retrieve that values from the dictionary into the input
> field.  It continues to display as a string and I cannot figure out how to
> display the value from dictionary.  How can I accomplish this?  I hope this
> makes sense. Thanks, Olivia
>

The ordinary way to do this is to create an array of N elements instead of
N separate fields.  That would look something like this:
    Foo = collections.namedtuple('Foo', ['sp'])
    foo = Foo(sp=['this is first', 'this is second', 'this is third'])
    namespace = {
        'hdrcol': [0, 1, 2],
        'spdata': 'foo',
        'spform': {
            'foo': foo
        }
    }
    print Cheetah.Template.Template("""
#for $i in $hdrcol:
#set $fldvalue = $spform[$spdata].sp[$i]
<input type="text" name="testfield" value="$fldvalue"/>
#end for
""", searchList=[namespace])

If you are unable to change the format of the data and you're stuck with
sp0, sp1, sp2, ... then you have to get a little more clever.  First
construct the name of the field you want, then use getattr to get it:
    Foo = collections.namedtuple('Foo', ['sp0', 'sp1', 'sp2'])
    foo = Foo(sp0='this is first', sp1='this is second', sp2='this is
third')
    namespace = {
        'hdrcol': [0, 1, 2],
        'spdata': 'foo',
        'spform': {
            'foo': foo
        }
    }
    print Cheetah.Template.Template("""
#for $i in $hdrcol:
#set $fldvalue = getattr($spform[$spdata], 'sp' + str( $i ))
<input type="text" name="testfield" value="$fldvalue"/>
#end for
""", searchList=[namespace])


As an aside, you posted code with smart quotes (and in Comic Sans) and this
makes it harder to help you since copying and pasting your example won't
work as-is.  In the future you may want to try avoiding this it makes it
less likely that you'll get a response.

-- 
James Abbatiello