[Zope] Zope context

[peter sabaini]

DA Loeffler wrote:
> 
> On Mon, 5 Aug 2002, Chris Withers wrote:
> 
> 
>>DA Loeffler wrote:
>>
>>>I got round this one by actually passing the context to the class
>>>constructor as an argument, and storing it as self.context with the
>>>class's __init__ method. You can then freely call things on it, in my
>>>case
>>
>>Ouch! Bad! Pain! Don't!
>>[...]
>>This is distinctly dodgy and probably work more by luck than design :-S
>>
> 
> 
> OK, so how else do I do it? The problem is that I am trying to create a
> class whose instances will be ephemeral, lasting only for one
> transaction, but which can call objects within the ZODB. Essentially my
> classes are glorified Pluggable Brains, but they have to combine data
> from several database queries, which are of course all Z SQL methods.
> The data cannot be passed as class initialisation parameters as the
> class needs to decide what calls to make depending on the data from
> other queries.


FWIW i also do this and dont have any problems. i think the important 
point here is that these classes are not persistent; they (or rather 
instances of them) are constructed with each request, do their stuff and 
are thrown away.




> David
> 
> 
> 
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