[Zope] Re: Export format documentation

[Tres Seaver]

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Sébastien VINOT wrote:
> Hello,
> 
> I have an export file of objects (that come from a Plone 2.0.5
> instance). Unfortunately, the products are not compatible with a newer
> Plone version. I'm building a new version of this product (but it will
> be quite different from the initial one).
> 
> I'm wondering if it is possible to load datas for a zexp file without
> the old product and then build new instances of my new product. That is
> why I'd like to know if there is a good documentation concerning the
> internal structure of zexp files.
> 
> Thanks in advance

If you do the export to XML, rather than the binary pickle format of a
zexp file, then you should be able to examine the structure in an
editor, and even (in theory, anyway), transform it into a form
compatible with your new product version.

YMMV as to whether the effort here outweighs writing BBB / migration
code in your product.


Tres.
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Tres Seaver          +1 202-558-7113          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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