[Zope] ZODB based Product problem

Wed, 16 Jan 2002 15:09:17 +0000

Hello again.

What´s the problem with my question?
Is it very difficult?
Nobody knows how to do it?
Isn´t there any way to do it?
Don´t you understand my english?

I need an answer. Or only a feedback to say:
"Ok, Antonio. I have read your e-mail, but I don´t know the way to do it. 
Try another way to do it!."

Please, I need something. I´m becoming crazy.

Thanks.
Antonio Carrasco
www.grupoiud.com

>From: "Antonio Carrasco" <antoniojezu@hotmail.com>
>To: <zope@zope.org>
>CC: <zodb-dev-@zope.org>, <zope-dev@zope.org>
>Subject: [Zope] ZODB based Product problem
>Date: Mon, 14 Jan 2002 23:51:41 +0100
>
>Don´t forget. I´m spanish and my english may not be enough good. Have fun
>with this e-mail.
>
>I´ve been a lot of time looking for documentation, studing it and trying to
>develop usefull things with ZODB. Here is my problem.
>
>Well. I´m working in a Product in wich I use a ZODB to store data. I don´t
>use Data.fs, I´m 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 this
>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 don´t remember now (I´m not at work), but something
>like:
>     "Attempt to store data from a remote database connection"
>
>??????????. What´s the problem?. May my ZProduct inherit some other Class 
>or
>ZClass to be able to store the data?.
>
>Later I do a self.connection=db.open(). Another problem with this line. I
>can´t 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, I´ll 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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