[Zope] ZClasses vs. Python Products

[Peter Bengtsson]

As a quick guideline-answer:
ZClasses are more convenient for small plugins
Python Products are better suited for bigger projects.


At 12:33 2002-05-03 -0700, Sean Hastings wrote:
>Help!
>
>I Have chosen Zope to do a new web app. It is a 2 man project - 1
>Programer - 1 UI Designer with programing experience.
>
>I am trying to decide whether to build the App using Zclasses or Python
>Product.
>
>I found this URL
>"http://zdp.zope.org/portals/developers/designstrategies/products"
>It lists advantages of Python product as:
>     1. You can upgrade them.
>     2. You can write all of your logic in Python.
>     3. You write your UI in DTML.
>     4. You can manage all of this using CVS
>
>However:
>     1. it then says why it is harder to change things in a python product.
>     2. I can still use python scrips with Zclasses
>     3. I can still write the UI in DTML
>     4. There appears to be a CVS extension for Zope available.
>
>On Zope IRC I was told that there are some scalability, stability, and code
>mainatanance issues issues with Zclasses but did not recieve any elaboration
>on that. What are the issues?
>
>It seems like I lose a lot of the advantages of Zope's second veiw by using
>a Python Product - in that I can't have my UI person atatch DTML methods to
>the classes I write.
>
>What future developments can I expect? Will ZClasses become better in the
>future? Will more second Veiw handles be added for Python Products? Might
>code be written to generate a Python Product directly from a ZClass based
>Product?
>
>The consensus on Zope IRC was that "ZClasses suck", but I am failing to see
>the advantage of not just building a product with ZClasses from within Zope.
>What am I Missing? Can anyone direct me to further information - or give me
>an example of a situation where I would be in bad shape to have chosen
>ZClasses over Python Product?
>
>I need to make this decision soon.
>
>--Sean Hastings
>--sean@havenco.com
>
>
>
>
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