March 2003 - Zope - Zope lists

Unable create photo object using dtml and python
by LIM TIENAIK 13 Mar '03

13 Mar '03

I would like to ask for a little help with the photo and photo folder product. I have installed it on zope, but adding photo dont seems to work with either dtml or python. The syntax i used to add a photo is <dtml-call "manage_addProduct['Photo'].manage_addPhoto(name,title, file)"> and the syntax i used in python is context.manage_addProduct['Photo'].manage_addPhoto(name,title,file). Those 2 ways dont work and the error message from zope i receive is Error Type: AttributeError Error Value: read Traceback (innermost last): File C:\Program Files\skyheavens\lib\python\ZPublisher\Publish.py, line 150, in publish_module File C:\Program Files\skyheavens\lib\python\ZPublisher\Publish.py, line 114, in publish File C:\Program Files\skyheavens\lib\python\Zope\__init__.py, line 158, in zpublisher_exception_hook (Object: skyheavens) File C:\Program Files\skyheavens\lib\python\ZPublisher\Publish.py, line 98, in publish File C:\Program Files\skyheavens\lib\python\ZPublisher\mapply.py, line 88, in mapply (Object: addPhotoScript) File C:\Program Files\skyheavens\lib\python\ZPublisher\Publish.py, line 39, in call_object (Object: addPhotoScript) File C:\Program Files\skyheavens\lib\python\Shared\DC\Scripts\Bindings.py, line 252, in __call__ (Object: addPhotoScript) File C:\Program Files\skyheavens\lib\python\Shared\DC\Scripts\Bindings.py, line 283, in _bindAndExec (Object: addPhotoScript) File C:\Program Files\skyheavens\lib\python\Products\PythonScripts\PythonScript.py, line 291, in _exec (Object: addPhotoScript) (Info: ({'script': <PythonScript instance at 01849B40>, 'context': <Folder instance at 01783810>, 'container': <Folder instance at 01783810>, 'traverse_subpath': []}, ('picuture', 'a new picture', 'C:\\WINDOWS\\Desktop\\shirt-design\\cover2.jpg'), {}, None)) File Script (Python), line 1, in addPhotoScript File C:\Program Files\skyheavens\lib\python\Products\Photo\Photo.py, line 654, in manage_addPhoto AttributeError: (see above) I hope that someone can help me with this. Thanks _________________________________________________________________ Are you in love? Find a date on MSN Personals http://match.msn.com.my/

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Use of GRUF with exUserFolder/PostgreSQL broken?
by Joel Burton 13 Mar '03

13 Mar '03

Dear GRUF and exUserFolder developers, and others familiar with both APIs: I'm trying to use both of your products together, as in: acl_users [ GRUF Folder ] | \- Users | | | \- acl_users [ exUserFolder/PostgreSQL ] | \- Groups | \- acl_users [ normal Zope UserFolder ] I've used exUserFolder before without problems, and have tested GRUF with normal Zope UserFolders without problem. I'm able to setup the configuration above and can add users using the exUserFolder acl_users interface. The problem is: When a user tries to log in, this calls the GRUF authenticate method, which is: def authenticate(self, password, request): return self.__underlying__.authenticate(password, request) This calls the actual acl_users folder authenticate method. For a standard Zope UserFolder, this is: def authenticate(self, password, request): [ ... ] so it works fine. However, when called with an exUserFolder as the UserFolder, there is no authenticate method on the user folder for PostgreSQL authentication. Rather, there is an authenticate method only on the User object itself. The signature for this is: def authenticate(self, listOneUser, password, request, remoteAuth=None): There are "std_validate" and "cookie_validate" methods of exUserFolder.exUserFolder, but these validate, rather than just authenticate a user. So, when GRUF tries to authenticate a user using the standard Zopish API, it misses the user folder (which has no matching API method), and hits the xUF.User object, which has a different method. I could modify the GRUF source to hardcode my listOneUser object, and pass that along with the call (though I haven't tested this yet). However, I'm not sure that's The Right Thing To Do, and that would have me lose all of the caching that xUF can provide, since it would do a DB call every time. I'd love to use your products together. Can either of you provide any help on this? If this is something not in your anticipated development improvements for the product, it's possible that we'd consider sponsoring some time to get these two products working together. Thanks! - j. -- Joel BURTON | joel(a)joelburton.com | joelburton.com | aim: wjoelburton Independent Knowledge Management Consultant

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CMFCollectorNG error
by Asad Quraishi 13 Mar '03

13 Mar '03

I have the latest CMFCollectorNG version installed and working and can create a CMFCollectorNG doc without any problem although the user list is skewed. When I try to create an issue however I get the following message: Errot Type WorkflowException Error Value No workflow provides the "request" action. Any suggestions? Thanks.

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WANTED: VIEWCVS-Product!
by zorth 13 Mar '03

13 Mar '03

Hi! Does someone know a zope-product which is similar to viewcvs (http://viewcvs.sourceforge.net/)? Thanks, zorth

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Is this forum available through a newgroup.
by Daniël Hooymans 13 Mar '03

13 Mar '03

Hi, Just wondering if this Mailing list also available trough a newsgroup. Greets, Daniel

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Zope product security question
by Michael R. Schwab 13 Mar '03

13 Mar '03

Hi, I've a question regarding security in Zope Product classes for Zope 2.6.1. I'm hoping that someone has some experience/suggestions for implementing Zope scurity within a product's class. I need to provide secure access to specific methods and attributes (e.g. meta_type) for a class within my Zope product. I have a set of specific roles that I need to create when an instance of my product is created along with the default roles of 'Manager' and 'Owner'. I am declaring this set of roles by assigning them to the __roles__ attribute: __ac_roles__= ( 'Anonymous', 'Authenticated', 'Manager', 'Owner', 'Editor' ) I've noted two different methods for declaring security in a class. The first is to use __ac_permissions__ to declare a tuple of tuples that declares a permission name, a tuple of method names, and a list of roles. For example: __ac_permissions__ = ( ('View', ('manage', 'manage_menu'), ['Manager', 'Editor']) ) The second method, which I believe to be the most recent, is to: 1. Declare the security object: security = AccessControl.ClassSecurityInfo() 2. Set the default security access to 'deny': security.setDefaultAccess('deny') 3. Declare each permission: security.setPermissionDefault( 'View', ['Authenticated', 'Manager', 'Editor']) 4. Assert that each method or subobject is protected by a particular permission: security.declareProtected( 'View', 'manage_menu') 5. Initialize the the class' security: InitializeClass(MyClass) The first method seems to work, although I have not tested to ensure that all of the methods inherited from the parent classes are protected. I have a sneaking suspicion that this is an older mechanism for Zope security. The second method seems to be the newest and most logical approach. The being exception that the default security access to 'deny' does not permit me to access attributes from my class that are basic Python types such as strings (e.g. meta_type from a DTML Method). I could declare the default security access to 'allow', but that seems inherently dangerous from a security standpoint. Thanks, Michael -- Michael R. Schwab

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prevent printing?
by baiewola＠netscape.net 13 Mar '03

13 Mar '03

Does Zope offer a way to prevent people from printing privileged pages that I want certain people to be able to view but not distribute? Many thanks. __________________________________________________________________ The NEW Netscape 7.0 browser is now available. Upgrade now! http://channels.netscape.com/ns/browsers/download.jsp Get your own FREE, personal Netscape Mail account today at http://webmail.netscape.com/

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TAL + <select> + record modifier
by Ruslan Spivak 13 Mar '03

13 Mar '03

Hello, zope users! I have script getServiceMapping that return a list of dictionaries, like: [{'type_name' : 'xxx', 'title' : 'ccc', 'groupname' : 'vvv' }, {'type_name' : 'xxx1', 'title' : 'ccc1', 'groupname' : 'vvv' }, ] I want user to be able to use <select> staement, and i need to pass three variables to form handler, how to implement that? Maybe 'record' modifier? But i can't make it working with select properly. Here i can get only one varibale - type_name, and how to pass another 2(title and groupname)? <form name="client_addservice_form" method="post" action="folder_object" tal:define="types here.getServiceMapping(); no_types python:len(types);" tal:attributes="action here/absolute_url"> <select name="type_name"> <option value="Select">Select</option> <metal:block tal:repeat="ctype types"> <option value="Document" tal:attributes="value ctype/type_name" tal:content="ctype/tilte" i18n:translate="">Document</option> </metal:block> </select> </form> Thanks in advance, Ruslan

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How to convert string to object?
by Lubos Culen 13 Mar '03

13 Mar '03

Hi! Maybe this is more Python question, but because I'm using it with Zope, I'm posting it here. Let's suppose I have DTML Method called e.g. 'index_html' . It has one input parameter 'obj' which contains name of existing file object inside the directory tree. For example, the index_html file would be called as: www.mysite.com/path/index_html?obj=path.to.object.file Then in folder www.mysite.com/path/path/to/object/file in this example would be the DTML document I'd like to be displayed. I have to make proper code in the index_html file do do this. I tried do following in index_html: <dtml-var obj> But this echoes only plain text ('path.to.object.file') and not the object's content. I need to find some way how to convert this string to object, so Zope (or Python) can understand it as an object and display its content. Is there some way? Thanks a lot for any answer! -- Regards, Mirsoft

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Adding new product in Zope - creating file in subfolder problem
by Lubos Culen 13 Mar '03

13 Mar '03

Hello! A simple problem: I'd to create new object, which will inherit the Zope 'Folder' behavior and inside the folder will create some 'content' DTML document (or other document type), which I can edit. I followed these steps: I have created new product (let's call it 'New product' and new ZClass inside it (let's call it 'New object'). For 'New object', I used base classes 'ZClasses: Object Manager' and 'OFS: Folder', so now it inherits all folder behavior right (it can contain files, etc.). Now it creates successfully my new object as a folder, but I want to copy the default "content" file inside it automatically. I created some DTML document called "template" inside "New product" folder in Zope products, and I want modify the "new_object_add" Python script, to do this: - copy the "template" file to file "content" inside the "New object" folder - run some editing onto this "content" file, so user can edit it. I know I need to add something to "new_object_add" python script, but I don't know how, because using "context.manage_clone(container.template, instance.content) " (slightly modified step from the Chapter 14 in Zope book) doesn't work when creating object inside the Folder. Can anybody help? Thanks a lot for any answer! -- Regards, Mirsoft

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