[Grok-dev] simple (advanced) tuturial for grok+workflow engine+sqlalchemy?

Sebastian Ware sebastian at urbantalk.se
Tue Dec 16 04:03:32 EST 2008

For simple workflow and index query services I can recomend:


created by Martijn Faassen. They are easy to get started with just by  
looking at the doctests in the eggs.


Not quite sure what the state of the Sqlalchemy support is right now  
except that I think there are a couple of people using it.

Mvh Sebastian

16 dec 2008 kl. 09.41 skrev Alia:

> Hi,
> I'm just about to start a project which entails a mass conversion of  
> a number of corporate websites from a dated and somewhat difficult  
> to maintain jboss/java custom framework to a python based web  
> framework.  I have begun to evaluate the current state of the art in  
> pythonistan: django, turbogears2/pylons and grok with a view to  
> making a decision. Now these are not overly complex websites for the  
> immediate needs of the customer but I am anticipating that that will  
> change over time, and I would like to use platform that will scale  
> with the needs of the different businesses.
> One of these key initial requirements is that the data should be  
> stored on a RDBMS (prob. MySQL in this case) so if I am going to  
> evaluate grok relative to django/tg2 I would probably want to use  
> sqlalchemy as opposed to the ZODB. Another thing I would like to  
> consider (but it is not a requirement at this stage) is to hook in a  
> workflow engine like zope.wfmc into the framework (incidentally the  
> availability of multiple workflow options seems to be a major plus  
> for grok/zope3).
> Now in order to make a fair comparison, I would want to at the very  
> least use the latest version of grok with sqlalchemy so my first  
> question is that is there something out there for grok that is  
> relatively stable and workable? The second question I have is: has  
> anybody used zope.wfmc or something like it in grok?
> The problem is obviously is that I don't have a huge amount of time  
> to evaluate or to experiment, and it may be the case that if I can't  
> demonstrate some interesting results relatively quickly, I will  
> probably be inclined to go with a safe bet like django which would  
> at least gain me some kudos for its admin interface.
> In any case, as an aside: my perception of grok/zope3 is that it is  
> a very advanced and powerful framework but I am still a confused on  
> how to harness all this power. Can I suggest that you include in the  
> documentation an advanced tutorial that demonstrates this power.  
> This would certainly allow grok to differentiate itself from the  
> competition: perhaps something along the lines of what I suggest  
> above (-:
> Regards,
> AK
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