[Zope3-dev] Rename, Move, Copy, .... Restore

[Jim Fulton]

Here's another use case.  We back up an object tree with fssync
and later want to restore it, possibly in a different location.

This is a lot like copying.  We may need to update various
location-dependent information.

Perhaps this could be handled by some variation on the copied
method I mentioned in an earlier note:

 >
 > and extending IObjectCopier with a copied method::
 >
 >   def copied(source, oldname, target, newname):
 >       """Notify an object that it has been copied
 >       """
 >
 > The copied method will call the manage_afterAdd method on an
 > I(Add|Copy)Notifiable adapter of the object. The method is also
 > responsible for publishing an IObjectCopied event in the context of
 > the original container.  Finally, it should recheck any containment
 > constraints, in case the containment is not permitted in the new
 > location for security reasons.

except that, in this use case, the source may not exist.

Perhaps copied should take paths:

   def copied(oldpath, newpath):
       """Notify an object that it has been copied
       """

If the source does exist, we can always get it by traversing the
old path.

Hm.

Jim

-- 
Jim Fulton           mailto:jim@zope.com       Python Powered!
CTO                  (703) 361-1714            http://www.python.org
Zope Corporation     http://www.zope.com       http://www.zope.org