[Zope] What is the Python script that is similar to a dtml-in call

[Larry McDonnell]

Hi,

I use the serial_number variable to look up the record. Does the 
dtml-call return a status back if the record is not found?

Thanks,
Larry

Andreas Jung wrote:

>
>
> --On Montag, 31. Mai 2004 7:37 Uhr -0400 Larry McDonnell 
> <larry at technologyinedu.com> wrote:
>
>> Hi,
>>
>> I need some advice. I still use dtml calls in my systems. My problem is
>> if the user is searching for a record but the record is not found. The
>> call is as follows:
>>
>> <dtml-call "REQUEST.set('serial_number', serial_number)">
>>
>> <dtml-in lookup_header_record>
>>   <dtml-call "REQUEST.set('equip_type', equip_type)">
>>   <dtml-call "REQUEST.set('pr', pr)">
>> </dtml-in>
>>
>
> Modifying the REQUEST using REQUEST.set() is in general bad-style
> and a DON'T DO IT.
>
>> If the record is not found I get this error:
>>
>> Error Type: KeyError
>> Error Value: equip_type
>>
>> True statement since there is not record and further in the form I am
>> trying to output this variable.
>> Are there any examples that either traps for an error or python script
>> that can also lookup the record and true a found/not found status.
>>
>
> Look at the Python documentation try...except or whatever....you 
> questions
> sounds like you really want to learn Python :-)
>
> -aj
>
>