----- Original Message -----
From: "Antonio Carrasco" <[EMAIL PROTECTED]>
Sent: Monday, January 14, 2002 11:51 PM
Subject: ZODB based Product problem

> Dont forget. Im spanish and my english may not be enough good. Have fun
> with this e-mail.
> Ive been a lot of time looking for documentation, studing it and trying
> develop usefull things with ZODB. Here is my problem.
> Well. Im working in a Product in wich I use a ZODB to store data. I dont
> use Data.fs, Im trying to use the ZODB with my own file and collection. I
> have a product with this properties or attributes:
>     id: the id of the instance.
>     title: the title
>     ZODBFile: The ZODB where the user want to store the data. I use this
> name to construct a FileStorage wich is like
> '<ZOPEDIR>/lib/python/Products/MyZProduct/var/' + ZODBFile + '.fs
>     colection: The colection inside the ZODBFile.
> When someone wants to add a MyZProduct instance, I show a form to fill
> attributes. Well, the __init__ is like this:
>     def __init__(self,id,title,ZODBFile,Colection):
>         self.id=id
>         self.title=title
>         self.ZODBFile=ZODBFile
>         self.Collection=Colection
>         #Now try to connect to the database
>         self.colection=FileStorage('<ZOPEDIR>/.......#and the name of the
> ZODBFile
> This last line make the Zope to raise an Error Message in commit in
> Connection object. I dont remember now (Im not at work), but something
> like:
>     "Attempt to store data from a remote database connection"
> ??????????. Whats the problem?. May my ZProduct inherit some other Class
> ZClass to be able to store the data?.
> Later I do a self.connection=db.open(). Another problem with this line. I
> cant save in my class attributes this objects. The colection, neither the
> connection, and I need both to make the ZODB navigation, and the ZODB open
> and close methods.
> If you need more information, Ill post another more comprensive e-mail.
> Thanks.
> Antonio Carrasco
> www.grupoiud.com
> PD: For spanish people I have written a How-To / Tutorial named
> crearUnProducto.
> www.zope.org/Members/rociana/misHowTo/crearUnProducto

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