[Zope-DB] Re: Database connection in a file system product

Jonas Nielsen jonasn at mail.tele.dk
Thu Apr 27 06:23:14 EDT 2006


Andreas Jung wrote:
> 
> 
> --On 27. April 2006 11:56:39 +0200 Jonas Nielsen <jonasn at mail.tele.dk> 
> wrote:
> 
>> Andreas Jung wrote:
>>
>>> Jonas Nielsen wrote:
>>>
>>>> Is it possible to store a database connection (i.e. a "Z MySQL Database
>>>> Connection") in a file system product ? How ?
>>>
>>>
>>> What is the sense? You can not store persistent objects. You might store
>>> a reference to the object using some _v_ variables to avoid getting
>>> the DA everytime through acquisition (this makes only sense
>>> if you have performance issues, do you?).
>>
>>
>> The sense is that I would like to find an easy way to install my product
>> without setting up the database connection manually. I guess the way to
>> do it is to add some code in install.py then ?
>>
> 
> huh? Either you expect a DA under a particular ID and use acquisition to 
> get hold of it or you except a certain meta_type and use superValues() 
> to search for instances of this particular meta_type.

Well, I want to make some python code that creates a DA under a 
particular ID (and yes, this is not my first question, but it will solve 
my problem).



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