[Zope] passing parameters from dtml-method to Script (Python)

[robert rottermann]

why do you use dtml?

Tough it is not really depreciated yet,  it is for sure on a declining 
branch.
Better invest in learning Page templates.
They are much clearer than dtml, and have fever "magic" that "you have 
to know since it is how it works"

So having your two scripts you would use them like this in a template 
(note templates are pure html adorned with an xml name space):

<span tal:content="here/foo" />
<span tal:replace="here/bar" />
<span tal:content="python:here.AScriptThatUsesParammeters(10,20)" />


The first span is "filled" with the result of the script.
The second is replaced by the result. There will be no span tag in the 
resulting html.
The third shows how to embed an arbitrary python code snippet.

As you might have guested, "here" denotes the context in which the 
template is called.

Robert



R Karthick wrote:
> hi!!
> 
> thank you for your reply.
> 
> I tried doing that, and it actually printed the return
> value from the function.
> 
> my script(python) is  a simple script, it just
> contains,
> 
> " getProjectIdMTD
> return "foo"
> 
> --
> 
> " getBatchIdMTD
> return "bar"
> 
> This is all it contains. I am able to get the output
> by <dtml-var ...> but only when i try sending it to
> another function as a parameter, the value is not
> passed.
> 
> I hope you can understand the problem.
> 
> Regards,
> R K
> 
> ps: I would like to know whether there is any single
> point of documentation for zope, something like
> javadoc for java. It will make my life lot easier :)
> 
> 
> --- David Hassalevris <bluepaul at earthlink.net> wrote:
> 
>>Sounds like you should just do this:
>><dtml-let pid="getProjectIdMTD" bid="getBatchIdMTD">
>><dtml-var getProdjectIdMTD><br>
>><dtml-var getBatchIdMTD>
>>If you do not see what you expect then your python
>>scripts (getProjectIdMTD,
>>getBatchIdMTD) are failing in some way.
>>
>>If you cant solve this, show us your python scripts.
>>
>>David
>>
>>----- Original Message ----- 
>>From: "R Karthick" <catchkarthick at yahoo.com>
>>To: <zope at zope.org>
>>Sent: Monday, July 12, 2004 8:08 PM
>>Subject: [Zope] passing parameters from dtml-method
>>to Script (Python)
>>
>>
>>
>>>Hi!!!
>>>
>>>I am relatively a newbie to zope, this might b jus
>>>another newbie question. but i am really stuck in
>>>this.
>>>
>>>I have a dtml-method which does the following
>>>
>>><dtml-let pid="getProjectIdMTD"
>>
>>bid="getBatchIdMTD">
>>
>>>    <b><center><dtml-var expr="gimmeBack(a=pid,
>>>b=bid)"></center></b>
>>></dtml-let>
>>>
>>>--
>>>
>>>getProjectIdMTD and getBatchIdMtd are just script
>>>python methods, which return simple strings. they
>>
>>jus
>>
>>>do
>>>
>>>return "foo"
>>>
>>>--
>>>
>>>return "bar"
>>>
>>>--
>>>
>>>Now when i call the function
>>
>>gimmeBack(a=pid,b=bid),
>>
>>>the pid and bid are not passed into the function.
>>
>>I am
>>
>>>able to <dtml-var pid>, and it shows the value of
>>
>>pid.
>>
>>>foo
>>>
>>>my gimmeBackMtd has
>>>
>>>return a
>>>
>>>No matter how i tried, I am just not able to make
>>
>>it
>>
>>>work. But when I assign pid and bid with strings
>>
>>like
>>
>>><dtml-let pid="'foo'" bid="'bar'">
>>>
>>>it works. Doesnt Script Python function return
>>
>>strings
>>
>>>even if they appear to?
>>>
>>>Please help!!!
>>>
>>>Regards,
>>>R K
>>>
>>>=====
>>>with "freedom" comes great responsibilities
>>>
>>>
>>>
>>>
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>>
> 
> 
> =====
> with "freedom" comes great responsibilities
> 
> 
> 		
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