setLayout() and ID field in CT's

Hello, list.

I try to migrated my 2.0.5 instance to 2.1.3(unreleased).
Migration was fine and site works ok.
But I have some issues that I would like to sort out.

Some more information about the site.

1. I have a custom AT based content type in my site that is
somekind of
extended News Item.
This type can have different categories (World news, Local
News, Sport
news and so on) that have to be chosen during item's
creation on edit
page. So, each item of this type can be the part of one of
some
categories. To have possibility to controll the archive of
these
custom News Items, I have added the script on plone_workflow
(based on
'Move object in DCWorkflow' how-to on
http://zopela
bs.com/cookbook/1029298314 by Alan Runyan) that
cuts/pastes these items on publish to subfolders of
"news archive" folder.
These subfolders are created according to NewsItem's date,
means

year/month/date

So, in case there are no NewsItems published during this
year/month/date, the script on plone_workflow create the
folder
according to item's creation data.
For those year/month/date folders I use simple
invokeFactory().

So users can create items in any part of the site - the
script will manage these
items on publish and will move them to the folder accrding
to item's
data.
It worked great on 2.0.5, but when I have migrated to 2.1.3
I have the
error trying to publish that kind of object:

ValueError: layout must be a non empty string, got
folder_listing()

I found out that this error has gone once I get rid of
invokeFactory
method. But I can't leave it this way.
I tried to dig deepper and found out that the above error is
produced
by setLayout() from CMFDynamicViewFTI/browserdefault.py.

I have changed the
---
if not layout or not isinstance(layout, str):
    raise ValueError, ("layout must be a non empty
string, got %s(%s)" %
    (layout, type(layout)))
---
to:
---
if not layout or not isinstance(layout, str):
    layout = 'folder_listing'

and now it works as it was on 2.0.5

And now I'm wondering did I do it in the wrong way? Is
there any other
way to solve my problem except altering the
browserdefault.py???

2. After migration all content types of my site contain ID
field on
edit and creation. This is not supposed to be so in default
(not
migrated) 2.1.x site. Is there anything I can do to get rid
of that
field, since it's not required in 2.1.x?

Hope to get any help on these issues.

Thank you.




-- 
Best regards,
Denis Mishunoff                          
PLONE Design-Skinning-Development

mailto:splitersdtcom.lg.ua
IRC: spliter(#plone)
URL: http://plonetarium.ob
jectis.net

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