February 2006 - Zope

workflow products
by Palermo, Tom 15 Feb '06

15 Feb '06

All, Are there any workflow products available for Zope 2.x that do not require either Plone or CMF? It looks like there aren't but I thought I'd ask first. Thanks, Tom

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context and URLs
by Ole Johan Tennvassås 14 Feb '06

14 Feb '06

Sorry for late reply - have been away. Cant get this to work! I hope I can avoid to use an absolute URL path. What i want is, as you say, to let the server generate as much of the URL as possible. To be more spesific, the zpt whith the calling href (located in "folderA") calls a script with a construct like this: <a tal:attributes="href string:folderB/scriptobject?Parameter=$variable">Text</a> The effect of this is that Zope generates a link to the URL http://myserver/application/folderA/folderB/scriptobject?... and after this link is used to call the script in folderB, the script calls a zpt in folderA again. Now, all links in this zpt gets /folderB added in their path! If you have some more tips about this, or could point me to some examples or documentation that could explain to me how this is supposed to work, it would be great! Regards Ole >Instead of writing links like this:: > > <a href="folderB/object">object</a> > >write them like this:: > > <a tal:attributes="href folderB/object/absolute_url_path">object</a> > >I know it's more typing but it will solve all your problems. I always >let the server have a part in generating URLs and I never suffer from >problems like this.

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MailDropHost on windows
by Erik Myllymaki 14 Feb '06

14 Feb '06

I'm trying to get MailDropHost running under windows, but it errors with: Traceback (most recent call last): File ".\maildrop.py", line 296, in ? pid = os.fork() AttributeError: 'module' object has no attribute 'fork' Altering it to run without threading seems to work quite well.

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Re: [Zope] proxy roles on Product methods
by Chris Withers 14 Feb '06

14 Feb '06

Tom, Please keep CC'ing in the list... last warning ;-) Palermo, Tom wrote: > edit_html just returns a dtml form edit_html.dtml. If you don't want to show us the *code* for edit_html, we can't help you... > I think the auth error is > happening when edit_html tries to load the wywiwyg editor. I thought you said edit_html is method on a disk-based python class?! cheers, Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk

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TextIndexNG extensions for Windows, please share if you have them
by Owen K 14 Feb '06

14 Feb '06

Do you have TextIndexNG (2 or 3) extensions for Windows that work with Python 2.3.5 ? If yes, please share them ! :) Although there are some files on sf.net that are labelled for python 2.3 (TextIndexNGExtensions-2.02.win32-py2.3.exe, python-Levenshtein-0.10.win32-py2.3.exe) one of these throws the following error error: Python was built with version 6 of Visual Studio, and extensions need to be built with the same version of the compiler, but it isn't installed. Or perhaps you are already using exactly those files with Python 2.3.5, in which case I would conclude that the error I see is somehow misleading. Thanks, Owen

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restricting permissions for direct access only
by Michael Shulman 14 Feb '06

14 Feb '06

Hi, I am new to Zope, and so far I like it very much. But I think I am confused about how security works, or is supposed to work. Specifically I want to know the following. Is there a way in Zope to restrict permissions for direct access only (i.e. calling an object through the web) but still allow indirect access (i.e. executing an object that was called by another object that was called through the web)? I have many Zope scripts but most of them are only auxiliary functions; only a few are designed to be accessed by a user through a URL. I don't want users to be able to call my auxiliary scripts directly, only the ones that are designed to be "published." But changing the security settings on the auxiliary scripts (e.g. removing "View" access from "Anonymous" role) prevents anonymous users from executing them even indirectly, so the public objects which depend on those auxiliary methods also stop working. Feel free to tell me that I am misunderstanding the way security works, or is supposed to work, in Zope, or that if this is something I need to do I am designing my site incorrectly from the point of view of Zope security (and if so, what is the correct way to design it?). Thanks!! Mike

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Method to return the properties of an object
by George 14 Feb '06

14 Feb '06

Is there a method to return the properties of an object? Sorry if it's sth obvious!* *

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zope+zms+java
by Irek M. 14 Feb '06

14 Feb '06

Haj I hope Someone can help me, i have a Problem recognizing JAVA from ZMS-Configuration. SDK is installed correctly on this System, Java Environment Variables are set. Zope is Restarted. But the ZMS Konfiguration dont List the Java environment in its config. My Config: SuSE 9.3 x64 Zope 2.7.4 r5 ZMS 2.3.2b45 Python 2.4.14 thanks iras ___________________________________________________________ Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de

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strange error in zcatalog search results
by Yuri 14 Feb '06

14 Feb '06

Zope Error Zope has encountered an error while publishing this resource. Error Type: KeyError Error Value: 1676126652 --- * Module Products.PageTemplates.ZRPythonExpr, line 47, in __call__ __traceback_info__: here.fai_ricerca() * Module Python expression "here.fai_ricerca()", line 1, in <expression> * Module Shared.DC.Scripts.Bindings, line 306, in __call__ * Module Shared.DC.Scripts.Bindings, line 343, in _bindAndExec * Module Products.PythonScripts.PythonScript, line 323, in _exec * Module None, line 8, in fai_ricerca *<PythonScript at /DigLib/MyApp/do_search>* *Line 8* * Module AccessControl.ZopeGuards, line 151, in next * Module Products.ZCatalog.Lazy, line 158, in __getitem__ * Module Products.ZCatalog.Catalog, line 540, in getScoredResult ---- I've textindexng2 index which search in PrincipiaSearchSource + some metadata. this error occours when I do this: results = context.MyCatalog({'global_query': context.REQUEST['gquery']}) for result in results: <- here (line 8 above) The catalog contains two types of objects: a container with metadata (derived from Folder) and a contained file (derived from File). Other strange thing is that if I reindex some objects, the indexes content for that object change every time flipping from empty metadata and filled PrincipiaSearchSource to metadata filled and empty PrincipiaSearchSource. N.B. if I search with gquery='' I get all the cataloged object correctly. :-/

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Re: [Zope] restricting permissions for direct access only
by Michael Shulman 14 Feb '06

14 Feb '06

Thanks Lennart! Proxy roles do sound like the answer, but I cannot get them working. When I restrict my private script so that only Managers have View permissions and give my public script Manager proxy roles, I am still prompted for a login box when I try to view the public script. When I cancel, I get the following error: Error Type: Unauthorized Error Value: You are not allowed to access 'meta_type' in this context This is different from the standard "You are not authorized to access this resource. No Authorization header found." error which I get when I try to access the private script directly, but conveys little to me. What does it mean and how do I fix it? On 2/11/06, Lennart Regebro <regebro(a)gmail.com> wrote: > On 2/11/06, Michael Shulman <shulman(a)mathcamp.org> wrote: > > Is there a way in Zope to restrict permissions for direct access only > > (i.e. calling an object through the web) but still allow indirect > > access (i.e. executing an object that was called by another object > > that was called through the web)? > > Yes. If that "other object" is disk-based python, it is most likely > able to do it already. If it is a python-script, you can set it up to > have a proxy role. That way your auxiliary scripts can all require > manager roles, and you can give the scripts that need to call them the > Manager proxy-role > > > Feel free to tell me that I am misunderstanding the way security > > works, or is supposed to work, in Zope, or that if this is something I > > need to do I am designing my site incorrectly from the point of view > > of Zope security (and if so, what is the correct way to design it?). > > No you seem to have got it. Although the next time you do something > that complex you might want to look into making a disk-based prodct > instead. It's often easier for complex features. > > -- > Lennart Regebro, Nuxeo http://www.nuxeo.com/ > CPS Content Management http://www.cps-project.org/ > >

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