[Zope] How to use DocumentTemplate custom formats from Python?

[Kapil Thangavelu]

Hamish Lawson wrote:
> 
> I'm using DocumentTemplate from Python (not in Zope) and I want to use
> a custom format 'javascript_quote' that I've written. In my DTML file I
> have:
> 
>     <dtml-var name="name" fmt="javascript_quote">
> 
> and in the Python code I have
> 
>     def javascript_quote(s):
>         ....
> 
>     template = DocumentTemplate.HTMLFile(
>         'page.dtml',
>         {'javascript_quote': javascript_quote}
>     )
> 
>     print template(None, {'data': data})
> 
> But it complains that not everything was converted, presumably because
> it is trying to interpret the fmt="javascript_quote" as a C-style
> format. How do I get it to use my function?
> 
> Hamish Lawson
> 


you should implement a formating function and register it with
special_formats

for examples of both look near the end /DocumentTemplate/DT_Var.py

Kapil