[Zope] adding Link objects to Plone folders programmatically

[J Cameron Cooper]

> Hi folks, I'm fairly new to Zope and Python so this is probably a 
> completely obvious one for most of you but I'd really appreciate any 
> help you can give me on how to do this.  I'm trying to add CMF Link 
> instances to Plone folders using a script.  The intention is to 
> provide crosslinking of articles at several places through out the 
> site to be determined at their creation time.
>
> Attempts to call the addLink method directly without importing the 
> Link Class produces complaints about attempting to use an undefined 
> global so I attempted to import the Link class using
>
>    from Products.CMFDefault import Link
>
> but it produces an error of
>
>    Error Type : ImportError
>    Error Value : import of "Link" from "Products.CMFDefault" is 
> unauthorized. You are not allowed to access Link in this context
>
>
> Does the Link class need to be imported to create a Link instance in a 
> Python script?  Is addLink even the appropriate method to be calling 
> to do this or am I barking up the wrong tree here?  Am I just a lost 
> Java programmer falling on his face making the jump to the Python wagon?

CMF provides a factory mechanism for creation of content types. On a 
PortalFolder (or descendants, like PloneFolder) you can use 
'invokeFactory' instead of trying to do it all yourself. (Plus you can 
interact with the type machinery, which is good.)

          --jcc