well this is my third try to ask a question, after the first two ones
went totally ignored, in the last few days. The second one was quite
simple: how do I instruct the ftp server to write some lines in the
access log ?
Silence. How comes ? Did I hurt or piss off anyone ? If so, I'm
sorry; I'm ready to apologize as soon as someone explains me what I got wrong.
Anyhow, here's my third try: I'm trying to learn the Zope 3
architecture and costumes starting from the book example (the
messageboard and the messages).
I created two example components: shelf and book. Of course, a shelf
can contain books.
So far my components are NOT persistent. The do NOT inherit from
Persistent nor they do implement some sort of persistence themselves.
This is because I'm just trying to explore the containment stuff and
I don't want to put in too many layers too early.
My shelf has no attribute, the only difference between it and the
common folders (containers) is that shelf can contain books ONLY.
A book has 3 attributes: title, author, editor; it can be contained
in a shelf only and it is NOT a container; it can't contain anything.
In the ZMI I see my components, I added a shelf and inside the shelf
a book. So far, so good !
BUT, when in the book component, one of the views the ZMI offers is
"content", which, as far as I know, is referred to the containers
contents and my book is NOT a container ! I swear ! It does NOT
implement the IContainer interface or any descendant interface !
Still the ZMI offers to see the contents of it. If I click on the
contents tab a white screen pops up telling my a system error
occurred, and the output in the terminal shows a message about a
forbidden attribute "items" called.
How is that ? The ZMI takes it correctly when it's about to add
content to the shelf, proposing to add a book only, in the left bar,
and also, inside the book component, there's no action "add" in the
actions stripe. Still, there's the content tab in the views tabs !!
How is that ?
I'm on win XP and Zope 3.3.1
Thanks so much anyone for any hint !
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