[Zope3-dev] ZConfig schema extensibility q's

[Fred L. Drake, Jr.]

Phillip J. Eby writes:
 > Oops...  just ran into something while reviewing my doc patch...  what 
 > about "handler"?  What should its inheritance semantics be?  At the moment, 
 > "handler" is defined exclusively by the "most specific" schema file, but it 
 > seems like maybe it should follow the same "inherit unless conflicting or 
 > overriden" logic that "keytype" and "datatype" do.

Sounds fine.

Do you actually use handler on anything?  (It can be set on the
schema, sections, and keys.)

 > For now, I'm going to finish up what I've done as-is, since it is at worst 
 > an inconvenience in a new feature.  But I'd like to know if you think there 
 > are any issues with having "handler" follow the same rules.

Frankly, I'd love to see handler disappear.  IMO, it's a hack to make
it possible to do ugly things like set environment variables.  It
could be done differently, but wasn't for various reasons.


  -Fred

-- 
Fred L. Drake, Jr.  <fred at zope.com>
PythonLabs at Zope Corporation