Re: RFC822Marshaller for all content uploaded with FTP/Webdav

On Tue, May 02, 2006 at 08:09:48PM +0200, Roché Compaan wrote:
| On Tue, 2006-05-02 at 14:50 -0300, Sidnei da Silva wrote:
| > On Tue, May 02, 2006 at 07:35:16PM +0200, Roché Compaan wrote:
| > | I won't have time to write a PLIP and I need to fix this for the client
| > | now. I'd like to fix this in a way that might be usable by you.
| > | 
| > | I am hoping for an implementation that is a bit more intelligent as
| > | opposed to just having good defaults. IMO a very simple fix would be to
| > | not try to demarshall a file using RFC822Marshaller if it is not
| > | appropriate. Maybe even better would be to have an über marshaller that
| > | uses RFC882 when appropriate and upload files that are clearly not
| > | RFC822 compliant as files, not Plone documents.
| > 
| > That is exactly what I have in mind.
| 
| Actually, thinking about it more, I am more inclined to not have
| Marshallers handle more than their name suggest. Would it not be clearer
| to decide which marshaller to use in the PUT factory? In addition to
| this, all that is needed is to define new marshallers for unknown text
| files and binary files.
| 
| The decision made in the PUT factory can be made configurable TTW per
| mimetype in the mimetypes registry or in an altogether different tool.

That's what Marshall does. It has a 'ControlledMarshaller' that looks
at a tool 'marshaller_registry' and evaluates a set of predicates to
decide which marshaller to use. One such predicate could 'sniff' if
the file looks like rfc822.

| >  One small issue is that we must
| > *not* read the whole file in memory. Usually reading a small chunk of
| > the file should be enough to detect which marshaller should be
| > used. This should optimally use the Marshall product to make these
| > settings overridable TTW.
| 
| I still have to check this out. How does one configure Marshallers using
| this product?

See above.

-- 
Sidnei da Silva
Enfold Systems                http://enfoldsystems.com
Fax +1 832 201 8856     Office +1 713 942 2377 Ext 214


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