[Zope3-dev] IKeyReference for files

[Jegenye 2001 Bt (Miklós Prisznyák)]

2007/3/27, Martijn Faassen <faassen at startifact.com>:
> Hi there,
>
> I'm currently trying to think through how to implement IKeyReference for
> files on the filesystem. The end goal is to be able to use the intids
> service on these files, so that they can be cataloged.
>
> The simplistic approach to implement key references for files is simply
> to use the filesystem path as key reference: the path is easy to
> determine, and it's easy to resolve back to the file.
>
> Unfortunately this doesn't work in the case where the files can be moved
> on the filesystem.

Is it too expensive to compute a hash from the file contents and the
file attributes?

-- 
Best regards,
   Miklós Prisznyák
   Principal Consultant, owner
   http://www.jegenye.com