May 2000 - Zope - Zope lists

One line patch for rename
by Paolo Bizzarri 11 May '00

11 May '00

Hi everybody, I have found pretty useful the following change in the zope OFS/renameForm.dtml Change the line <INPUT TYPE="TEXT" NAME="new_id" SIZE="20"> to <INPUT TYPE="TEXT" NAME="new_id" VALUE="<dtml-var id>" SIZE="20"> In this way, you do not have to rewrite the name of an object, only to correct it. Just my two cents. Paolo

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Fix for SiteAccess bug affecting ZCatalog users
by Evan Simpson 11 May '00

11 May '00

There's a subtle bug in current and older versions of SiteAccess which can cause ZCatalog and dependent Products to fail. If you use an Access Rule in your root folder which alters REQUEST.path (for virtual hosting purposes, for example) then all ZCatalogs will return incorrect objects. In Products/SiteAccess/ChangeBehaviors.py, delete lines 68 and 69, or comment them out so that they look like: #if allow_btr: self.before_traverse(object, response) #entry_name = '' This ought to fix the problem. Please let me know if it doesn't. If nobody says anything, this will become SiteAccess v0.2.1 Also, a word of warning: Since ZCatalog doesn't store information (such as the request's hostname and port) used to determine object access paths under virtual hosting, you should avoid adding objects to a Catalog via one virtual host (or raw access) and retrieving them via another. Cheers, Evan @ 4-am

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Newbie questions and discussion
by Gary Wong 11 May '00

11 May '00

Hi all, I've just discovered Zope and have successfully installed it on WinNT platform. I've played with it, and had successfully created a searchable job board system and other quick and dirty tasks by using the great HOWTO articles submitted by Zope users. However, I still have some issues that perhaps you guys can help me with: 1) Our designers are big Dreamweaver fans. How would we use it in conjunction with Zope? I know there is a current thread about this. Perhaps some users can shed some light on how to use third party web publishing/design/layout tools such as Dreamweaver, Frontpage (God forbid), Allair Homesite, etc, with Zope. Many of these tools have their own way of managing websites. Does this mean we have to "disable/ignore" these features, and just treat Dreamweaver/Frontpage/etc as a layout and design tool, and thus not benefit from the "libraries" or "template" functions? 2) I am bidding for a project that I think will be PERFECT for Zope (diehard Zope users will probably say that every project is Zopeable!) It is an intranet site that has areas where users can log in, read articles and news for the department they are in, and also submit news and articles as well. Now, the hard part is that not only do I need to promote my company and sell them on our skills, we need to sell them on the idea of using Zope. Can someone suggest some highlights of Zope that will make a non-technical reader of this proposal go goo-goo over Zope? All the stuff I've read on why Zope is great is mostly technical in nature (OO based, Extensible, blah blah blah geek talk). Anyone know of a place that describes the benefits of Zope from a high-level, "Zope for dummies" language? If we come up with some Marketing spiff on this list and share it, then everyone on the list who develops with Zope and bid for jobs can benefit from it. 3) Here's a more technical question. I use Oreilly Website Pro (WSP) to host my sites using virtual servers. I know I can "front end" Zope with WSP by using pzope.cgi. I am still looking into how to do this correctly, since WSP may not be passing authentication information. Anyone done this already with WSP? 4) How do I manage multiple projects/websites with Zope? Do I need a new instance of Zope running for each site? Or, do I just make folders for each project and start them from there? If I do this, then how do I set up my virtual servers? I wouldn't want each of my site's home page to have to be: http://www.clientsite.com/clientsite/ (Where clientsite would be the folder in zope). In Apache there is rewrite rules, but not WSP. Any hints? Thanks for any input! Gary Wong +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Gary Wong gary.wong(a)spingroup.com The Spin Group, Inc. 2000 S. 4th Street Milwaukee, WI 53204 p.414-672-8888 f.414-672-8183

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Transparent Folders cause import fail
by Didier Georgieff 11 May '00

11 May '00

Hello, i'm switching from 2.1.6 on NT to 2.1.6 on Linux (and have added the "transparent folder" on the new machine). And i was trying to import existing documents via xml It failed with messages below. I ended up trying to import a single image object without success. Same error. When i deleted the TF product it was back to normal and import was working fine. Checked again with the TF product installed and failed again. Any idea on what's going on ? Thanks in advance. Didier Georgieff. Traceback (innermost last): File /Zope216/lib/python/ZPublisher/Publish.py, line 214, in publish_module File /Zope216/lib/python/ZPublisher/Publish.py, line 179, in publish File /Zope216/lib/python/Zope/__init__.py, line 202, in zpublisher_exception_hook (Object: ApplicationDefaultPermissions) File /Zope216/lib/python/ZPublisher/Publish.py, line 165, in publish File /Zope216/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: manage_importObject) File /Zope216/lib/python/ZPublisher/Publish.py, line 102, in call_object (Object: manage_importObject) File /Zope216/lib/python/OFS/ObjectManager.py, line 488, in manage_importObject (Object: ApplicationDefaultPermissions) File /Zope216/lib/python/OFS/ObjectManager.py, line 231, in _setObject (Object: ApplicationDefaultPermissions) File /Zope216/lib/python/Products/TransparentFolders/TransparentFolder Patch.py, line 138, in _checkId (Object: ApplicationDefaultPermissions) File /Zope216/lib/python/OFS/ObjectManager.py, line 199, in _checkId (Object: ApplicationDefaultPermissions) Bad Request: (see above)

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uniqueValuesFor from only part of the catalog?
by Jonathan Cheyne 11 May '00

11 May '00

How can I prefilter the catalog so that the list of unique values only comes from records containing a specific keyword? I set up a keywords index as per one of the howtos whic works well and I can extract a unique values list with <dtml-in "Catalog.uniqueValuesFor('keywords')"> but I only want to see part of the catalog ... how? (this is a follow up to my earlier rather rambling plea :-) Jonathan

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Removing all vestiges of Zope
by John R. Hillman 11 May '00

11 May '00

Help! I want to completely remove Zope from my development server, then reinstall the whole thing from scratch (Linux system, BTW). I did and 'rm -rf' on the /usr/local/Zope directory, but upon reinstall, all of the old stuff is still there! YIKES! How do I do this? Any help most appreciated! Regards, -- John R. Hillman Multimedia Developer/System Administrator Educational Systems Room 2118-G, Curtice-Mott Complex Mott Community College Flint, MI 48503 Telephone: 810-762-0467

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newbie - force frame update for multiple users?
by Brian McClain 11 May '00

11 May '00

Hello Please forgive my ignorance, but is the following possible? I'll have about 10 users viewing the same dtml document which displays a frameset. Anyone of the users can supply input via a form in one of the frames. The submitted data is used to update the other frames. Is it possible to get the server to update all the users and not just the single submitter? How would I get a reference to the other users? Any tips would be appreciated. Thanks, Brian

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FW: [Zope] This is completely bogus but..
by Coleman, Bryan 11 May '00

11 May '00

> Something which I have been tossing around in my head and am about to jump > into with both feet is a Zope like archetecture for distributing user > interfaces anywhere. Zope like functionality would be a sub set of the > project. Display could be within a browser or within X or under Windows > even. I would be extending the concetp of the user interface to include > just about any output/input. I am thinking of tying it in alot more > closely with XML as opposed to dtml or some simmiler construct. This would > allow for easy extention of the definition language ie if there were not > already a dtml-unless you could make one. If anyone is interested let me > know. I have a site registered at sourceforge but am still working on the > project plan. The primary development language will be python, but I want > it to be open so components can be written in any language and I am > considering forth for speed ups. ( I wonder if you could write a python > interpriter in forth, hmmm...) > > - Bryan Patrick Coleman > > -----Original Message----- > From: Mike Fletcher [SMTP:mfletch@tpresence.com] > Sent: Thursday, May 11, 2000 7:35 AM > To: zope(a)zope.org > Subject: RE: [Zope] This is completely bogus but.. > > There is little in the way of indirection or encapsulation within Zope. > That is, most products reach directly into other products to find > classes/functions. When you reload a product, to properly reload, you will > need to reload every product which is dependent on that product. > Furthermore, you'll need to track down every class and instance reference > which uses the product's elements (which may be, for instance, stored in > some global registry of available classes (which might be built by a given > product), or might be in the object cache etc.) and rebuild/replace those > items. > > You could try clearing the object cache, scanning the global registries > for > potentially dependent instances or classes, then re-loading all products > (in > case some have global registries). I don't think this will be an enormous > amount better (time-wise) than restarting. Nothing is particularly > impossible, but the process is unlikely to be simple or straightforward > given the current architecture. > > You could try re-architecting Zope so that it uses more of a traditional > plug-in API, that is, some set of methods are registered/watched on an > object, all interaction between the object and the system goes through > that > API. Not sure about how you do stand-alone objects in that model, likely > have to simply rebuild all objects when a product is rebuilt. > > No simple solutions, but at least I'm not the one planning to work on it > :) > , > Mike > > > -----Original Message----- > From: news-list.zope(a)innominate.de [mailto:news-list.zope@innominate.de] > Sent: Thursday, May 11, 2000 8:06 AM > To: zope(a)zope.org > Subject: Re: [Zope] This is completely bogus but.. > > > Chris Withers wrote: > > > > > This could be a good thing if we want to hotpatch a server of some > sort. > > > > > > -Morten > > > > There was a thread on this a while back but I don't think there was any > > conclusive outcome. > > > > I'd love so see Zope provide a facility for updating of products without > > restarting the server. It'd make python product development time a lot > > quicker and besides, restarting the server every time you rev a python > > product or two isn't really the sort of thing you want in a production > > system... > > > > To be honest, I don't really see why you should need to restart the > > server anyway... > > > > Comments? > > agree 100%. > -- > heiko.stoermer(a)innominate.de > innominate AG > networkingpeople > fon: +49.30.308806-0 fax: -77 web: http://innominate.de > > _______________________________________________ > 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 ) > > _______________________________________________ > 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 )

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variable
by josh on 11 May '00

11 May '00

Hello, I have a line of code which is meant to tkae an integer variable (vchildren) passed to the page through a hidden form. I have a line of code which goes: <dtml-var "_.chr(vchildren+97)"> and it returns an error message of which this is part: File C:\Program Files\ZopeJosh01\lib\python\DocumentTemplate\DT_Util.py, line 335, in eval (Object: _.chr(vchildren+97)) (Info: vchildren) File <string>, line 0, in ? TypeError: (see above) The value of the variable is 0 josh

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RE: [Zope] Dreamweaver UltraDev
by Jeffrey Shell 11 May '00

11 May '00

> From the news and the Macromedia site I find it dificult to judge if > it will be able to extend Dreamweaver UltraDev to work with Zope. I > guess the solution will still use ftp as access method wich is not > the correct way to work with Zope. > > I guess it needs WebDav and if even if that were there, there would > probably be problems in working with Zope. FWIW, Adobe GoLive 5.0 (due out in June, I believe) will support WebDAV. It's also supposed to be more extendable, ala Dreamweaver. Over the past couple of years, I've usually found myself having to use both tools for various tasks. :/

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