[Zope] Re: suddenly confused
chrism at plope.com
Sat Jan 19 16:23:27 EST 2008
On Jan 19, 2008, at 1:39 PM, Dieter Maurer wrote:
> Tres Seaver wrote at 2008-1-18 21:06 -0500:
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>> David Bear wrote:
>>> I'm doing my first zeo setup, and suddenly I'm not sure about my
>>> products directory. Do I put all products in a products directory of
>>> the zeo server or in each zope instance?
>> Normally the ZEO server doesn't need to have access to the products,
>> which are "application code". The only exception is for products
>> define classes having application-level conflict resolution: in such
>> cases, the ZEO server must be able to import the product (or else the
>> conflict resolution code is not consulted).
> As an additional note:
> Zope uses Python import magic to make packages available
> in "INSTANCE_HOME/Products" as additional products in
> the "Products" package.
> If some of these products need application specific conflict
> resolution, the ZEO server needs to activate this
> import magic -- by importing Zope's "App.FindHomes".
An patch to runzeo that allows INSTANCE_HOME Products to be put on the
path (but does not require Zope's App.FindHomes is here):
Using this patch, you can create a Products directory in your ZEO's
instance home and put products in there to service conflict resolution
while still keeping SOFTWARE_HOME products on the path. Importing
App.FindHomes might be a better way to do this.
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