[Zope-CMF] Scriptable Type - Meta Type question

[Chris Withers]

Jeffrey Franks wrote:
> 
> I've customized 'File' as a scriptable type 'MyFile' that has some
> additional attributes. Both content types will be made available,
> but for widely differing purposes.
> 
> The original meta type is 'Portal File'. Should I change this
> to some new meta type for the 'MyFile' portal_type?

No, leave it as 'Portal File'. Meta type is always the metatype of the 
udnerlying file system class.

> The original portal_type 'File' has a meta type of 'Portal File'.
> Why the difference?

There's no difference, the meta type is 'Portal File' in all TIO's that are 
based on CMFDefault.File.File

> What are the implications and usage difference of portal_type
> and meta type?

Use Portal Types for different types of content.
Use Meta Types when you write a new file system class.

cheers,

Chris