[ZPT] Re: Repeat over dict with options

[Steven Hayles]

David

You're just seeing the results dictionary rendered as a string. From 
your required result, I think you want something like:

<p tal:define="value options/results" tal:repeat="v 
python:value[1].values() + value[2].values()" tal:content="v">
</p>

Steven Hayles

David Pratt wrote:
> Hi Chis. Thank you for your reply.  This is the first time I am trying 
> to use the predefined options variable and as you can guess it has been 
> getting the best of me. I took your advice and am returning this from my 
> Script python as opposed to RESPONSE.redirect with parameter passing.
> 
>> return context.test_results(results = {1:{'foo':'bar','foo2':'bar2'},
>>                             2:{'foo':'barnone','foo2':'barnone2'}})
> 
> 
> In my zpt, I have done this:
> 
>    <span tal:define="value options/results">
>       <p>
>          <span tal:content="value">value of results</span>
>       </p>
>     </span>
> 
> which  yields:
> 
> {1:{'foo':'bar','foo2':'bar2'}, 2:{'foo':'barnone','foo2':'barnone2'}
> 
> I was expecting to get each item of the dictionary returned on a 
> separate line and then doing something to get the value based on the key 
> like value.values()  and then another variable to get value of bar based 
> on['foo']
> 
> My quest is how to get the values for foo and foo2 out of this so that 
> the result is
> 
>       <p>
>          bar
>       </p>
>       <p>
>          bar2
>       </p>
> 
>       <p>
>          barnone
>       </p>
>       <p>
>          barnone2
>       </p>
> 
> 
> 
> 
> 
> 
> 
> 
> On Wednesday, June 2, 2004, at 05:11 AM, Chris Withers wrote:
> 
>> David Pratt wrote:
>>
>>> from ZTUtils import make_query
>>>     query = make_query(results = {'foo':'bar','foo2':'bar2'})
>>>     return RESPONSE.redirect('test_results?%s' % query)
>>
>>
>> that should really be:
>>
>> return RESPONSE.redirect('test_results?' + query)
>>
>>> This produces a url   http://blah.com/ 
>>> test_results?results.foo:record=bar&results.foo2:record=bar2
>>> If am not getting anything using a repeat with options/results.
>>
>>
>> That's 'cos stuff in the REQUEST doesn't magically get put into 
>> options. ZPT doesn't try and do any magic, which is a very good thing...
>>
>> > How
>>
>>> should I construct the zpt to get the values of foo and foo2?
>>> I have been trying iterations of something like this:
>>>      <span tal:repeat="value  options/results">
>>
>>
>> <span tal:repeat="value  request/form/results">
>>
>>> I noticed that the request object contains the dictionary I am passing
>>
>>
>> No it doesn't, it contains a string, which happens to be the same as 
>> the string representation of your dictionary.
>>
>>> Help much appreciated since I can't seem to get any further with this 
>>>  in the meantime.
>>
>>
>> I'd suggest changing your original python script to be:
>>
>> return context.test_results(results = {1:{'foo':'bar','foo2':'bar2'},
>>                             2:{'foo':'barnone','foo2':'barnone2'}})
>>
>> ...now 'results' will be in options, as you originally expected, AND 
>> it'll contain python types as you're expecting...
>>
>> cheers,
>>
>> Chris
>>
>> -- 
>> Simplistix - Content Management, Zope & Python Consulting
>>            - http://www.simplistix.co.uk
>>