[Zope] Folderish object -API

[Andy McKay]

The error would be with aq_acquire, do you have that specified anywhere in
your code (eg in the __init__)?

--
  Andy McKay, Developer.
  ActiveState.
----- Original Message -----
From: "Petr Knapek" <knapek@knapek.pvt.net>
To: <zope@zope.org>
Sent: Monday, November 06, 2000 4:46 AM
Subject: [Zope] Folderish object -API


> Hi Zopists,
> I try to create ISNGFolder class which is subclassed from Zope Folder
> class. During instantiation of this ISNGFolder class I also try to set
> permissions ['View', 'Access contents information'] for role 'Content'
> by calling manage_role('Content', ['View', 'Access contents
> information']) function of this object. But some error occurs and I
> don't know python API very well for folderish objects. Can somebody help
> me, please??
>
> I use Zope 2.1.6 on Linux Debian
>
>
>
> Below you can see part of my python product for folderish object and
> error output of Zope.
>
>
> Begin of code:
>
> manage_addISNGFolderForm=HTMLFile('addFolder', globals())
>
> def manage_addISNGFolder(self, cz_id, title='', key_words=[], header='',
footer='',
>                          createPublic=0,
>                          createUserF=0,
>                          REQUEST=None):
>     """Add a new 'ISNG Folder' object with id *id*."""
>
>     author = repr(REQUEST.AUTHENTICATED_USER)
>     id = cz_id2id(cz_id)
>     ob=ISNGFolder()
>     ob.id = id
>     ob.cz_id = cz_id
>     ob.title = title
>     ob.creation = DateTime.DateTime(time.time())
>     ob.author = author
>     ob.modifier = author
>     ob.key_words = key_words
>     ob.header = header
>     ob.footer = footer
>     self._setObject(id, ob)
>     ob.manage_role('Content', ['Access contents information', 'View'])
>     if REQUEST is not None:
>         return MessageDialog(
>             title = 'Add ISNGFolder',
>             message = 'New ISNGFolder %s was added.' %
ob.getProperty('cz_id'),
>             action = './addFolder'
>             )
>
>
>
> class ISNGFolder(Folder):
>     """ISNGFolder class.
>
>     Is created by inheritance from Folder Zope object."""
>
>
>     meta_type = 'ISNG Folder'
>
>     __ac_permissions__ = (
>         ('View', ('manage_infoISNGForm',)),
>         )
>
>     _properties = (
>         {'id':'title', 'type':'string', 'mode':'w'},
>         {'id':'cz_id', 'type':'string', 'mode':'w'},
>         {'id':'author', 'type':'string', 'mode':'w'},
>         {'id':'modifier', 'type':'string', 'mode':'w'},
>         {'id':'key_words', 'type':'lines', 'mode':'w'},
>         {'id':'header', 'type':'text', 'mode':'w'},
>         {'id':'footer', 'type':'text', 'mode':'w'}
>         )
>
>     _ManageOptions = (
>         {'label':'Edit ISNG', 'action':'manage_editISNGForm'},
>         {'label':'Info ISNG', 'action':'manage_infoISNGForm'},
>         {'label':'Header ISNG', 'action':'manage_editHeaderISNGForm'},
>         {'label':'Footer ISNG', 'action':'manage_editFooterISNGForm'},
>         {'label':'Permissions ISNG',
'action':'manage_permissionsFrameISNGForm'},
>         )
>
>
>
> Error output of Zope:
>
>
>           Zope Error
>
>           Zope has encountered an error while publishing this resource.
>
>           Error Type: AttributeError
>           Error Value: aq_acquire
>
>
>
>           Troubleshooting Suggestions
>
>               The URL may be incorrect.
>               The parameters passed to this resource may be incorrect.
>               A resource that this resource relies on may be encountering
an error.
>
>           For more detailed information about the error, please refer to
the HTML source for this page.
>
>           If the error persists please contact the site maintainer. Thank
you for your patience.
>
>
>
>
> Traceback (innermost last):
>   File /usr/local/www/Zope-2.1.6/lib/python/ZPublisher/Publish.py, line
214, in publish_module
>   File /usr/local/www/Zope-2.1.6/lib/python/ZPublisher/Publish.py, line
179, in publish
>   File /usr/local/www/Zope-2.1.6/lib/python/Zope/__init__.py, line 202, in
zpublisher_exception_hook
>   File /usr/local/www/Zope-2.1.6/lib/python/ZPublisher/Publish.py, line
165, in publish
>   File /usr/local/www/Zope-2.1.6/lib/python/ZPublisher/mapply.py, line
160, in mapply
>     (Object: manage_addISNGFolder)
>   File /usr/local/www/Zope-2.1.6/lib/python/ZPublisher/Publish.py, line
102, in call_object
>     (Object: manage_addISNGFolder)
>   File /usr/local/www/Zope-2.1.6/lib/python/Products/ISNG/ISNG.py, line
810, in manage_addISNGFolder
>   File /usr/local/www/Zope-2.1.6/lib/python/AccessControl/Role.py, line
179, in manage_role
>     (Object: ElementWithAttributes)
>   File /usr/local/www/Zope-2.1.6/lib/python/AccessControl/Role.py, line
137, in ac_inherited_permissions
>     (Object: ElementWithAttributes)
>   File /usr/local/www/Zope-2.1.6/lib/python/OFS/ObjectManager.py, line
173, in _subobject_permissions
>     (Object: ElementWithAttributes)
> AttributeError: (see above)
>
> --
> Petr Knápek
> NEXTRA Czech Republic, s.r.o., Hlinky 114, 603 00 Brno, Czech Republic
> e-mail: mailto:petr.knapek@nextra.cz
> tel:+420-5-43 554 150
> FAX:+420-5-43 554 214
>
> "Perl is worse than Python because people wanted it worse."
> Larry Wall, 14 Oct 1998
>
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