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conceptual problem with acquisition
by Oliver Frommel 05 Mar '01

05 Mar '01

Hello, although I already created some sites with Zope I now encountered a problem that I am not able to solve with acquisition, i.e. to make a parent subfolder work as a fallback resource. Directories look like this: /pics/logo.gif /dir/subdir1/pics/logo.gif /dir/subdir1/index_html (subdir1 is a zclass and index_html a method of it) /dir/subdir2/pics/logo.gif /dir/subdir2/index_html (subdir2 is a zclass and index_html a method of it) /dir/subdir3/pics/ (empty!) /dir/subdir3/index_html (subdir3 is a zclass and index_html a method of it) The index_html contains a reference to the pic: <img src="pics/logo.gif"> Now when the subdirX/pics/ doesn't not contain a logo.gif, acquisition also does not work because it stops on finding the pics folder in the subdirX. This is exactly the scenario, Rik Hoekstra describes in http://www.zope.org/Members/Hoekstra/ChangingZopeContexts. Unfortunately non of the workarounds he mentions are appropriate because a) I need an image folder for each subdir (see below) b) I can't reference images from the parent c) the pic directories need to have the same name this all because the rationale behind this is to enable index_html to look differently _dependent_ on the existence of logo.gif. the site designers are meant to be able to change index_html's appearance just by uploading a new logo.gif. If this is not present, the one of the parent should be used. I think it would work if I put the images directly in subdirX and in the root dir but this is pretty ugly and should only serve as a last ressort IMHO. is there any way / product / trick to make this concept work with subdirs?? thanks for your help --Oliver

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.. cannot be owned by the emergeny user (bug?)
by Oliver Frommel 05 Mar '01

05 Mar '01

another thing that occurred recently .. trying to add a python script. the funny thing is I am _not_ logged in as the emergency user but as a user I created called "manager", with only the Manager role. I am running Zope 2.3.0 on Linux 2.2.16 Error Type: EmergencyUserCannotOwn Error Value: Objects cannot be owned by the emergency user traceback: File /home/oliver/Zope2/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /home/oliver/Zope2/lib/python/ZPublisher/Publish.py, line 187, in publish File /home/oliver/Zope2/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook File /home/oliver/Zope2/lib/python/ZPublisher/Publish.py, line 171, in publish File /home/oliver/Zope2/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: manage_addPythonScript) File /home/oliver/Zope2/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: manage_addPythonScript) File /home/oliver/Zope2/lib/python/Products/PythonScripts/PythonScript.py, line 121, in manage_addPythonScript File /home/oliver/Zope2/lib/python/OFS/ObjectManager.py, line 289, in _setObject (Object: LockableItem) File /home/oliver/Zope2/lib/python/AccessControl/Owned.py, line 276, in manage_fixupOwnershipAfterAdd (Object: findimage) EmergencyUserCannotOwn: (see above) what can I do do fix this?? thanks --Oliver

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Getting client browser type
by Etienne Labuschagne 05 Mar '01

05 Mar '01

Hi there How do I get the client's browser type (IE, Navigator, etc). I know how to do it in JavaScript, but does not know how to communicate this with Zope. Thanks Etienne Tel: (012) 348 4586 Cel: 082 442 8981 Fax: (012) 361 8355

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strange behaviour with zclass method and emacs
by Oliver Frommel 05 Mar '01

05 Mar '01

Hi, while editing Zope content with Emacs I discovered the following strange behaviour: There's a ZClass (base classes ZObject, ZDTMLDocument and container, which itself has the base classes ZObject, CatalogAwareBase, ZObjectManager) containing three DTML documents at this moment. Now I can edit two of them with no problem, while opening index_html always tells me (New File). However this file already exists and is editable via the management interface. The former version of index_html, now called index_html_simple is editable normally, also the other DTML document. The index_html of the ZClass "container" is also editable from Emacs with no problems. Is this a bug? I am running Zope 2.3.0 and Linux on the Server, GNU Emacs 20.7.1 (i386-suse-linux) as a client. --Oliver

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Zope on FreeBsd
by Patrick 05 Mar '01

05 Mar '01

Hi, I am a zope newbie and have just managed to get zope server running on port 8080 on FreeBsd. I read the zope book and it helped alot only that I still do not know how to: 1- Do virtual hosting- (name based virtual hosting) 2- I have not been able to get pcgi running properly with apache which is my default webserver especially as Bsd does not seem to pass authentication via the <location> directive. I have tried using the <directory> directive with the directory containing my Zope.cgi as the script aliased directory and what happens is that I get authenticated by apache but after that, I get an HTTP 404 error response. Can someone help me out here or point me to any Howto's that are Bsd oriented? Thanx in advance. And, I think that Zope is a great product, especially as it is so powerful and yet avalable as open source. Patrick.

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ZSQL: ValueError, Duplicate column name
by Andreas Hölzl 05 Mar '01

05 Mar '01

hi, i have the following problem when using ZSQL with special SQL-queries: When creating a simple ZSQL-method for quering two different tables with both a column of the same name like SELECT person.last_changed, work.last_changed FROM person, work a ValueError "Duplicate column name" occurs. I located the "problem" in "lib/python/Shared/DC/ZRDB/Results.py": 123: if schema.has_key(name): 124: raise ValueError, 'Duplicate column name, %s' % name I made a workaround with an external python method directly quering the database. But my question is: Is there also a workaround with dtml/ZSQL? I do not think that it is a good idea to force unique table column names for a complex database. Whats the reason for this limitation? dtml-var ? Thanks in advance, Andreas Hölzl Freiburg, Germany

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RE: BOF at Python Conference
by paul 05 Mar '01

05 Mar '01

FYI, I've put up the various comments for possible discussion points on an Enterprise Zope BOF: http://www.zope.org/Members/paul/EnterpriseZopeBOF.html As for date and time...dunno. How about 7PM, just after the CMF BOF, same location? Alternatively, 6PM Wed night? --Paul > -----Original Message----- > From: Spicklemire, Jerry [mailto:Jerry.Spicklemire@IFLYATA.COM] > Sent: Friday, March 02, 2001 10:34 AM > To: 'zope(a)zope.org' > Cc: 'tseaver(a)digicool.com'; 'mindlace(a)digicool.com'; > 'paul(a)digicool.com' > Subject: BOF at Python Conference > > > Hi Zope and Python Fans, > > So far there have been two topics proposed for Zope > "Birds of a Feather" gatherings: > > Content Management Framework (CMF, aka PTK) > > ZEO and Mission Critical Zope > > Can anyone hazard a guess as to when these might take place, > for those of us who just can't manage a four day trip this > time? > > Thanks, > Jerry S. > >

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Some doubt about how to best assign user rights.
by Max Møller Rasmussen 05 Mar '01

05 Mar '01

I have the following hierachy: school class 1 student 1 student 1 content student 2 content etc. student 2 student 3 etc. class 2 class 3 etc. And basically there is three different typs of users: Administrators Teachers Students My problem is that I want to give each student the right to edit the content in their own folder. Their folder is a zClass that subclasses objectmanager, and they can only add certain other classes. Now how do I best set out to do that? It should also be easy for the teacher to administer his students. The options I can see: - Make an acl_users folder in each student folder, and give the student the admin role in that folder. That would work but seems a bit longwinded. - Make a student an owner of a folder? (I am not really shure what consequences that would have) Regards Max M

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Importing external document
by ASHISHRANJAN_V 05 Mar '01

05 Mar '01

For that I used external method : import urllib def fetch_url(self, url): return urllib.urlopen(url).read() And called it in index_html file as : <dtml-var standard_html_header>    <dtml-var standard_html_footer> Problem is when it fetches the html page , it also changes the relative links in html page . Is there a way I can make the links point to respective resource at orignal site. Ie use the parameter url to be embedded in html link Like href="/help" Converted to href="url/help" Ashish R Vidyarthi mailto:ashishranjan_v@infy.com

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(no subject)
by K H Subrahmanyan 05 Mar '01

05 Mar '01

hi, I will create a file using python method and it will be in root directory of Linux server. Now I would like to add it to Zope as a file. file means as we add from "Add available Objects"(here it will ask us to browse from windows machine.) I would like to add by writing Dtml method.(it must take from the Linux machine.) How to do that. subrahmanya.

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