- Zope - Zope lists

Zope and PostgreSQL
by Cesar A. K. Grossmann 13 Jan '00

13 Jan '00

Hi! I'm a clueless newbie to this world of Zope, Python, etc. I need to deploy some reports to the Internet, from a PostgreSQL database. Where I can find some information about it, in the Internet? I need only the links, but if someone wants to post a howto or like, I will appreciate... I'm using the Conectiva Red Hat Linux (http://www.conectiva.com.br/ - a Red Hat 6.0 based distribution), and the PostgreSQL 6.4.2. I'm downloading the Zope 2.1.2 rpms. If someone is curious, I'm trying to do some kind of business to business app. I'm planning to use LDAP to help coordinate the users, groups and permissions. TIA, and sorry the bad english. -- Cesar A. K. Grossmann - AOLIM CesarAKG - ICQ# 53373705 http://members.xoom.com/ckant/ ...when you are obsessed with the enemy, you become the enemy.

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Zope vs J2EE
by Nemeth Miklos 13 Jan '00

13 Jan '00

In our department I have decided (as a CTO) to use Zope for an ecommerce application server. And I also would like to use it for another application for a customer. I will have a presentation about Zope and our plans in a 3-day technical conference of our corporation. Can I have some (primarily technical) arguments why Zope is better to some (especially Java-based) specific web application server tool (WebSphere, Oracle Application Server, Oracle8i, NetDynamics, etc)? I'd be very glad if some of you share his thoughts about the topic. NM

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RE: [Zope] Organizing Zope Content
by Michel Pelletier 13 Jan '00

13 Jan '00

> -----Original Message----- > From: James W. Howe [mailto:jwh@allencreek.com] > > I'm learning Zope in anticipation of using it on an upcoming > project. The > project involves development of a web site for a weekly news > publication. I've been experimenting with trying to recreate > a portion of > an existing web site which offers similar functionality to > what will be > needed for my new project. I've started with taking some > existing pages in > HTML and refactoring them into various Zope DTML methods. > I'm trying to > restructure things so that content is separated from > presentation. So far > I think I've been somewhat successful in building up a > presentation layer, > but I'm still using some hardwired content in places. What I > want to do > next is set up a structure for the content which can then be > plugged into > the presentation objects. Sounds like you're going about it the right way. > I'm looking for ideas on how to structure my content. For > example, one of > my pages needs to display headlines with little snippets of > the article > itself. Clicking the headline would cause the full article to > display. What I want to be able to do is build a structure > such that I > could iterate over items, pick up headlines, and generate the > headlines > page dynamically. When you have a collection of objects you want to iterate over, it is useful to put them in a container-like data structure, like a Folder. In your case, I think you can do everything you need by just placing all of your articles in a Folder. If the folder was called 'Articles' you could do very simple iterative manipulations using the <dtml-in> tag. <ul> <dtml-in Articles> <li><a href="<dtml-var absolute_url>"><dtml-var title_or_id></a><br> <dtml-var sequence-item size=200></li> </dtml-in> </ul> This will print a link to each article, showing 200 characters of the objects body (This assumes your article objects are DTML Documents). As an added hook point, you can write a DTML method that you pass the object to: <dtml-in Articles> <dtml-var "displayArticle(_['sequence-item'])"> </dtml-in> If you place Articles and displayArticle in your root folder, then they will be accessable from anywhere in your Zope, all objects in the root folder are acquireable from all objects in Zope (note, when you drop to python, you have to play by the rules of the Acquisition mechanism). > It is also a requirement of this site that it can > display previous editions of the web site. For that I would > like to be > able to invoke my headlines in such a way that it could > generate different > headlines depending on which issue of the news publication > was desired. Here the catalog can help you. If all of your article objects are cataloged in a ZCatalog object, then you can do a very fast range search over all of the objects' creation dates. This is used on the Zope site on the advanced search page when you pull down the combo box to do a range search of objects created after a certain fixed point in the past (day, week, month, year, ever). The problem is that as your articles change, you need to keep cataloging and recataloging them so that the catalog tracks any changes in the object. This is where things get tricky and you start developing an application, because you need your own kind of object to do that. This is when you should investigate ZClasses. There's a couple how-tos on the Zope site on how to make your own kind of catalog aware objects. In fact: http://www.zope.org/SiteIndex/search?date%3Adate=1969%2F12%2F31++16%3A00 %3A00+US%2FPacific&date_usage=range%3Amin&text_content=catalog+aware brings up about all of them (notice the 'date' and 'range' arguments to that URL? All objects created after 1969!). > Any tips on how I might structure my content (basically news > articles) and > how my presentation layer might be able to utilize the > content would be > appreciated. Make sure that all your major components are seperated from each other and use each other without strange dependencies (like assuming a path to a component, why assume when it can be acquired?). Keep collections of similar objects in folders by themselves. It is generally a good idea to keep methods related to certain types of objects in the same place as the folder that contains those objects. Use your root folder wisely, Luke. -Michel

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SQL: TEXT or BLOB columns
by darryl＠igor.penguinpowered.com 13 Jan '00

13 Jan '00

Is there an API or function to get Zope/python to successfully pass large text fields or blobs through DB 2 API standard database?

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Organizing Zope Content
by James W. Howe 13 Jan '00

13 Jan '00

I'm learning Zope in anticipation of using it on an upcoming project. The project involves development of a web site for a weekly news publication. I've been experimenting with trying to recreate a portion of an existing web site which offers similar functionality to what will be needed for my new project. I've started with taking some existing pages in HTML and refactoring them into various Zope DTML methods. I'm trying to restructure things so that content is separated from presentation. So far I think I've been somewhat successful in building up a presentation layer, but I'm still using some hardwired content in places. What I want to do next is set up a structure for the content which can then be plugged into the presentation objects. I'm looking for ideas on how to structure my content. For example, one of my pages needs to display headlines with little snippets of the article itself. Clicking the headline would cause the full article to display. What I want to be able to do is build a structure such that I could iterate over items, pick up headlines, and generate the headlines page dynamically. It is also a requirement of this site that it can display previous editions of the web site. For that I would like to be able to invoke my headlines in such a way that it could generate different headlines depending on which issue of the news publication was desired. Any tips on how I might structure my content (basically news articles) and how my presentation layer might be able to utilize the content would be appreciated. Thanks. James W. Howe mailto:jwh@allencreek.com Allen Creek Software, Inc. pgpkey: http://ic.net/~jwh/pgpkey.html Ann Arbor, MI 48103

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Fwd: [Python4linux] Something I forgot
by Patrick Phalen 13 Jan '00

13 Jan '00

---------- ## Forwarded Message ## ---------- Subject: [Python4linux] Something I forgot Date: Thu, 13 Jan 2000 15:04:17 +0100 From: Oliver Andrich <oli(a)rz-online.net> Hi, the mentioned web site is currently located in Germany on one of my servers. The connection is very good (1 34 MBit and 2 2 MBit lines), but I like to setup a mirror in the US too. Does anyone host a Zope server with SiteAccess and so on, so that he/she can host another domain on this machine?

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Fwd: [Python4linux] Some interim information on what I am doing
by Patrick Phalen 13 Jan '00

13 Jan '00

---------- ## Forwarded Message ## ---------- Subject: [Python4linux] Some interim information on what I am doing Date: Thu, 13 Jan 2000 15:02:41 +0100 From: Oliver Andrich <oli(a)rz-online.net> Hi, today I registered the domain python4linux.org which is a Zope server. At the beginning of the next week we will have a pre-release of the web page with updated RPM packages running. But this is not all I intend to do. So I like to post some infos on the further steps: - create a nice community site - provide web space on the Zope server for community members - create a howto section - the site will be fully searchable - squishdot news forum Any more hints? I like to provide a central for Python users on Linux systems. At first we will have only RPM stuff but I hope we will have stuff for the other systems too. As soon as I have the basic up and running I will inform the python.org webmaster about it and announce it in c.l.p.a So long and thanks for the fish, Oliver Andrich -- Oliver Andrich, KEVAG Telekom GmbH, Cusanusstrasse 7, D-56068 Koblenz Telefon: 0261-3921027 / Fax: 0261-3921033 / Web: http://rhein-zeitung.de _______________________________________________ Python4linux maillist - Python4linux(a)starship.python.net http://starship.python.net/mailman/listinfo/python4linux -------------------------------------------------------

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RE: [Zope] Zope and SSL
by Rob Page 13 Jan '00

13 Jan '00

Hi Joachim: > In http://www.egroups.com/group/medusa/47.html I read about > using "STunnel" > (http://mike.daewoo.com.pl/computer/stunnel/) to add SSL > functionality to Medusa. > > As ZServer is derived from Medusa, this should work for Zope, too. > > Has anyone tried to use this combination? Any experience? I'm > asking because I like the idea of having ONLY ZServer running as a web server, > not a combination of ZServer and Apache. The only thing I'd need Apache (or > Roxen) for, would be the SSL support. > > BTW: Is native SSL support planned for ZServer? Chris Petrilli, our local security story manager is working on a number of different projects. Lest this go unanswered I'll pipe in.... If you want to ask a question, ask him! :^) Historically, incorporating encryption into Zope has been a real obstacle for us for the following reasons: (1) it ain't easy, (2) US export restrictions on the cryptographic software/tools With yesterday's significant announcement by the US Govt: http://www.infobeat.com/stories/cgi/story.cgi?id=2563227804-a95 it looks like (2) will no longer be an issue. However, (1) still is... and (1) is a BIGGIE. To really use SSL for both server AND client identification/authentication there is a LOT to do. I'm not sure that we've got the bandwidth (funded or not) to do this in the foreseeable future. Naturally, if there was a funded effort we could at least look at what it would take. Alternatively, we could provide advice and guidance to any person or group that wanted to take this project on (with a serious intent to finish). --Rob

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smushed download
by Darrell 13 Jan '00

13 Jan '00

This file shows up as one line full of python, hard to fix on my end. http://www.zope.org/Members/tsarna/Tranalyzer/tranalyzer.py/view Any ideas ? --Darrell

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[ANN] DTML Repository Patch 0.1.0 Available
by LEE, Kwan Soo 13 Jan '00

13 Jan '00

This "patch" enables one to choose the text of the newly added DTML Document/Method from the templates *at the server* instead of the hard-coded default_dd/dm_html texts. Please see, http://www.zope.org/Members/kslee/DTML_Repository_Patch for more infomation.

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