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Making Product "Base Classable"
by Darin Lee 03 Nov '00

03 Nov '00

Zopistas, I would like to make a Zclass a baseclass of the Btree folder object. I installed Btree but it's not appearing in the list of base classes. Is there a way to get it in there? Any help would be greatly appreciated. Thanks in advance, -Darin Lee

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problem installing login manager
by Henny van der Linde 03 Nov '00

03 Nov '00

Hi, I just installed Zope 2.2.2 and tried to install the latest version of Login Manager. It failed: LoginManager Import Traceback Traceback (innermost last): File "C:\Program Files\WebSite22\lib\python\OFS\Application.py", line 397, in import_products product=__import__(pname, global_dict, global_dict, silly) File "C:\Program Files\WebSite22\lib\python\Products\LoginManager\__init__.py", line 1, in ? import LoginManager, LoginMethods, UserSources File "C:\Program Files\WebSite22\lib\python\Products\LoginManager\LoginManager.py", line 8, in ? from Products.ZPatterns.Specialists import Specialist File "C:\Program Files\WebSite22\lib\python\Products\ZPatterns\__init__.py", line 1, in ? import Rack, Specialists, Customizers, AttributeProviders, SheetProviders File "C:\Program Files\WebSite22\lib\python\Products\ZPatterns\Rack.py", line 9, in ? from DataSkins import DataSkin File "C:\Program Files\WebSite22\lib\python\Products\ZPatterns\DataSkins.py", line 1, in ? from DynPersist import DynPersist ImportError: No module named DynPersist What 's happening? Thanks Henny van der Linde

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zope book AppendixA error
by Didier Georgieff 03 Nov '00

03 Nov '00

Hello, I guess DC people is already aware, but i get an error since yesterday while pointing to ZB/AppendixA.html Document Template Parse Error invalid parameter: "="Expression"]...", for tag <dtml-let [Name=Variable][Name="Expression"]...>, on line 421 of AppendixA.html Didier.

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Obtaining just the filename for multiple file fields in an add form form
by Darin Lee 03 Nov '00

03 Nov '00

Zopistas, I have a form that has multiple file upload fields in it (5 to be exact). I am handling the upload via DTML. Essentially this is a "publication" item that can have multiple formats of a file attached (PDF, Powerpoint, Word, Excel, HTML). I would like the user to create the publication item (Zclass object), and then attach whatever format files they require to the add form. The Publication object is folderish and contains which of the files they uploaded. The problem comes in with naming the files. I can't figure a way to get the file name from the upload field without getting the entire local path on the user's machine. The following code works, if I manually delete the path out of the field in the browser (ie5) and just leave the filename: <dtml-call "manage_addFile(_.getattr(file1, 'filename'), REQUEST['file1'])"> However, I would rather get the filename, split it on the \'s, and then take a slice to get at the actual filename [:1] to pass to manage_addFile. The problem is, I'm not sure how to get this to work in DTML. This is also clumsy, because in this case there are 5 file upload fields on the form - the way I am approaching it would require the same code to be repeated 5 different times. Is there an array/list of the file fields I could loop through? Thanks in advance, -Darin Lee

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pluggable brains
by Philipp Auersperg 03 Nov '00

03 Nov '00

For ZSQL Methods it is possible to bind a ZClass to the records. These can be selected from te combo box labeled 'ZClass' in the 'advanced' tab of the SQLMethod's management screen, but there is always listed just one ZClass. My question: Why is there just one ZClass selectable, even if there are many ZClasses defined? Is that a bug or a feature? thanks phil

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Re: [Zope] Help wanted on Zope ZClasses/DTML please.
by chip johansen 03 Nov '00

03 Nov '00

Instead of ... <dtml-call "manage_delObjects('REQUEST['id_to_delete']')"> try <dtml-call "manage_delObjects('REQUEST.id_to_delete')"> Chip Johansen >From: "Bowyer, Alex" <BowyerA(a)logica.com> >To: "'zope(a)zope.org'" <zope(a)zope.org> >Subject: [Zope] Help wanted on Zope ZClasses/DTML please. >Date: Fri, 3 Nov 2000 16:05:49 +1100 > >Hi, > >I have only just started developing in Zope over this last week. I like it >a >lot, but I am having problems finding solutions to some of my more specific >problems in the various zope documentations. I am hoping that if I describe >my problems, one of you more-experienced Zope users out there will be able >to help me. > >First some background: > >Basically I have written a news page which allows you to add/edit/delete >articles from it. It is similar in some ways to the Zope HowTo "Build a >searchable job board". It revolves around two classes: > >(UA stands for Update Australia, the name of the news page) > >UAArticle : A single article, to be included on the page. >--------- >Properties: > article_title,article_author and article_text (self-explanatory) >DTML Methods: > index_html - renders the data from the three properties into HTML ready >for >inclusion in the news page > edit - a page with a form to allow you to modify the content, submits to >"update" > update - processes the form results from "edit", updates the properties >and >redirects > >UAPage : the page itself, inherits from ObjectManager and has Add UAArticle >permission defined. Each instance contains 0 or more UAArticles. >------ >Properties: > issue_date, issue_number, intro_text (self-explanatory) >Methods: > index_html - renders the page to HTML, both from these properties and by >calling the index_html of each subcomponent UAArticle. > edit - a set of forms for modifications to edit the above three >properties >and add a new article, or select an article to edit or delete. > update - processes updates to the UAPage properties that have been made >on >the edit page. > edit_article - once an article is selected and the Edit button is >clicked, >this finds the article, calls the edit method and gives feedback. > add_article - a form to create a new article and add it to the UAPage. > create_article - processes the data from the add_article form and >actually >makes the object and adds it. > delete_article - once an article is selected and the Delete button is >clicked, this finds the article, deletes it and gives feedback. > >Now to the problems I have got: > >1) I cannot get my delete_article method to work. I figured I need to use >manage_delObjects, but I can't find a working example to copy from and my >code doesn't seem to do anything. The following code gets called by a form >with a field called article_to_delete which is the title of the article we >want to delete: > ><dtml-var standard_html_header> > ><dtml-call "REQUEST.set('id_to_delete','NULL')"> > ><dtml-let the_match="REQUEST['article_to_delete']"> > ><dtml-in objectValues> > <dtml-with sequence-item><dtml-with propertysheets><dtml-with >UAArticleClassPropertySheet> > <dtml-if expr="article_title==the_match"> > <dtml-call "REQUEST.set('id_to_delete',title_or_id)"> >  > </dtml-if> > </dtml-with></dtml-with></dtml-with> ></dtml-in> > ><dtml-if expr="REQUEST['id_to_delete']=='NULL'"> >  > <h2>Article not found</h2> > <P>Could not find the article to delete.</P><P><A HREF=edit>Return to >maintenance page</A></P> ><dtml-else> >  > <dtml-let the_id="REQUEST['id_to_delete']"> >  > <dtml-call "manage_delObjects('the_id')"> > <h2>Article deleted</h2> > <P>Deleted article '&dtml-the_match;' (id='&dtml-the_id;').</P><P><A >HREF=edit>Return to maintenance page</A></P> > </dtml-let> ></dtml-if> ></dtml-let> ><dtml-var standard_html_footer> > >This gets an error that the_id does not exist. But I can't put <dtml-call >"manage_delObjects('REQUEST['id_to_delete']')"> because that is quotes >within quotes within quotes. I also tried <dtml-with the_id><dtml-call >"manage_delObjects()"></dtml-with> but that doesn't seem to do anything. >What is the correct way to use manage_delObjects? > >2) I need to be able to make a "Back" button on the UAArticle's edit page >that will return to the UAPage's edit page. The problem is that if I use <A >HREF=edit> it just goes to the edit page of the object, because our current >location is within the UAArticle not the UAPage. Is there a way to get the >name of an object's parent (or its own name for that matter) and use it to >construct a URL? > >3) When redirecting or linking to a page I have already visited, how can I >force a refresh? I tried the JavaScript window.location.reload(true) but I >think that is only supported by Netscape. It didn't work in IE5 for me >anyway. > >4) What is the best way to handle security with ZClasses. In my example I >want the index_html pages to be public but everything else to require a >password. I managed to require a password for a particular instance of the >UAPage, but that affects both the index_html and the edit pages. > >Thanks very much for taking the time to read this - I hope someone can put >me out of my misery! - I have been fiddling around with the code for ages, >getting nowhere fast, and the documentation wasn't much help in these >areas. >It just seems to cover the basics of ZClasses. > >Regards, > >Alex > >================================== >Alex Bowyer >IT Contractor, Logica Australasia >Tel : +61 2 9202 8130 >Fax : +61 2 9922 7466 >E-mail : bowyera(a)logica.com >WWW : http://www.logica.com.au/ >================================== > >_______________________________________________ >Zope maillist - Zope(a)zope.org >http://lists.zope.org/mailman/listinfo/zope >** No cross posts or HTML encoding! ** >(Related lists - > http://lists.zope.org/mailman/listinfo/zope-announce > http://lists.zope.org/mailman/listinfo/zope-dev ) > _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. Share information about yourself, create your own public profile at http://profiles.msn.com.

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Check for JavaScript:
by Daniel Rusch 03 Nov '00

03 Nov '00

Hey all, Is there a way from zope to check to see if a user has Javascript enabled???? Thanks, Dan

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redirect on Authorization
by Spicklemire, Jerry 03 Nov '00

03 Nov '00

Daniel says: > We have a very large site and many of Users bookmark pages. > This can cause several problems especially if the site layout > changes, security changes at different levels and a user > bookmarks a result pages that depends on previous page(s) > submissions. Yes, it's easy to redirect to a "front page" upon authentication, but what's to keep the user from hitting the bookmark again, after signing on? The real question is, "How can we keep users from bookmarking dynamic pages?". It may be frustrating, but this is something that will haunt us as long as browsers have a bookmark button. Worse, the browser cache, and higher levels of caching (e.g. Squid), are clueless and will obliviously serve up expired pages. You need to be very diligent to include metatags on every dynamic page to explicitly prevent caching! The only answer I can come up with is to include checking for valid prerequisites, and redirect the user to the starting point of each process when they ask for the last page first. An interesting problem, which I haven't got a canned answer for. Later, Jerry S.

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CMS/publishing system
by Spicklemire, Jerry 03 Nov '00

03 Nov '00

Pete asked: > How well does Zope integrate applications/cgi's written in ASP, > Cold Fusion, Perl, etc...? As we've got a number of things we'd > prefer to keep as is, and run alongside Zope. and added: > Is it possible? I'm thinking that with Apache and mod_rewrite > it would be doable (using file extensions to map the request), > but I'm not sure how that might work under IIS or within Zope... Yes, the mod_rewrite approach is a very common way to serve from both Apache and Zope, e.g. static pages / images from Apache, dynamic stuff from Zope. In fact, that's how Zope.org was set up for quite awhile, and may still be (don't know the details). There are many refernces to this topic in the mail list archives. Try searching at : http://zope.nipltd.com/public/lists.html For more intimate integration with existing Perl stuff, see: http://lists.zope.org/pipermail/zope-perl/ CMS is the latest buzzword for Web Application Development, AKA WorkFlow, Distributed Applications, etc. Zope is perfectly at home with this paradigm, whatever the nom du jour! Later, Jerry S.

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Authorization Question
by Terry Babbey 03 Nov '00

03 Nov '00

I have been unable to figure out how to let only certain people access a method. I have a method setup for people to modify our online phonebook but I want to restrict access to this method for obvious reasons. Any ideas how to accomplish this? I am also wondering if anyone has been able to tie authentication into a unix passwd file? Thanks again, Terry -- __________________________________________________________________ Terry Babbey Technical Support Specialist Lambton College, Sarnia, Ontario, Canada __________________________________________________________________

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