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

[Larry McDonnell]

Thanks Jonathan for the quick answer. I'll give them a try.

Larry


Small Business Services wrote:

><snip>
>From: Larry McDonnell
>
>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>
>
>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.
></snip>
>
>A couple of possibilities
>
> <dtml-call "REQUEST.set('equip_type',  REQUEST.get('equip_type',
>'None') )">
>    This REQUEST.get will return 'None' (or whatever value you assign) if
>'equip_type' is not found
>
>or
>
> <dmtl-if "REQUEST.has_key('equip_type')">
>    <dtml-call "REQUEST.set('equip_type', equip_type)">
>  </dtml-if>
>    This will only do the assignment if 'equip_type' exists.
>
>
>The above can be done in dtml or python script.
>
>HTH
>
>Jonathan
>
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