Mailing List Archive: Zope: Users

Opening Old .zexp Files

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suzieprogrammer at gmail

Mar 13, 2010, 9:24 AM

Post #1 of 4 (923 views)
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Opening Old .zexp Files

Hi;
I have inherited some very old *.zexp files that I can't open in a Zope
instance. Apparently they were built on 2.10 or even older. The problem
appears to be that there were all sorts of products packed into the Products
folder that crash everything and I don't know which ones are needed. How do
I begin to dig into this mess?
TIA,
Susan

chris at simplistix

Mar 14, 2010, 4:39 AM

Post #2 of 4 (890 views)
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Re: Opening Old .zexp Files [In reply to]

Susan Day wrote:
> I have inherited some very old *.zexp files that I can't open in a Zope
> instance. Apparently they were built on 2.10 or even older. The problem
> appears to be that there were all sorts of products packed into the
> Products folder that crash everything and I don't know which ones are
> needed. How do I begin to dig into this mess?

I'd probably try grepping through the .zexp for 'Products.' to try and
get an idea of what products it requires.

That said, I'm surprised the .zexp import doesn't tell you what classes
were missing...

Chris

--
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- http://www.simplistix.co.uk
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tseaver at palladion

Mar 14, 2010, 12:41 PM

Post #3 of 4 (886 views)
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Re: Opening Old .zexp Files [In reply to]

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Susan Day wrote:

> I have inherited some very old *.zexp files that I can't open in a Zope
> instance. Apparently they were built on 2.10 or even older. The problem
> appears to be that there were all sorts of products packed into the Products
> folder that crash everything and I don't know which ones are needed. How do
> I begin to dig into this mess?

Note that the export / import support is specifically limited in scope:
it is only designed to support moving content between instances with
"identical" software configurations (including Zope version, add-on
Products, etc.) It happens to work, sometimes, to import a .zexp from a
slightly different configuration, but there are no guarantees.

It sounds as though the .zexp files you are trying to import contain
objects whose classes are defined in add-on products which you do not
have installed. Debugging that problem is likely to be a
trial-and-error process, identifying each product (preferrably with the
same version as used in the original instance).

Depending on your needs, it might be advisable to outsource the problem
to somebody in the community having experience with the particular
products used by the old instance.

Tres.
- --
===================================================================
Tres Seaver +1 540-429-0999 tseaver [at] palladion
Palladion Software "Excellence by Design" http://palladion.com
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suzieprogrammer at gmail

Mar 22, 2010, 11:16 AM

Post #4 of 4 (795 views)
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Re: Opening Old .zexp Files [In reply to]

On Sun, Mar 14, 2010 at 3:41 PM, Tres Seaver <tseaver [at] palladion> wrote:

> Depending on your needs, it might be advisable to outsource the problem
> to somebody in the community having experience with the particular
> products used by the old instance.
>

I think I will; however, there's one that would probably be easy. I
understand one of those zexp files is just a shell that holds a swf and an
xml file. Would that be easy to parse, or outsource that too?
TIA,
Susan

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