February 2001 - Zope

HELP:File Path.
by Belen Ares-Paredes 19 Feb '01

19 Feb '01

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Re: [Zope] sql
by Spinwing 19 Feb '01

19 Feb '01

Hello in a previous message I read .... and then you can call it e.g. from a DMTL method 'createManyTable': <dtml-call "REQUEST.set('list',('table1','table2'))"> <dtml-in list> <dtml-call "REQUEST.set('myName',_['sequence-item'])"> <dtml-call createTable> </dtml-in> ..... the idea is nice, pushing values on top of the REQUEST to resolve them by the ZSQL method. However, suppose I have a method like: id: add_dummy_table create table <dtml-var table_name> ( dummy INTEGER ) Now, if I call it in the form <dtml-var standard_html_header> <dtml-call expr="add_dummy_table(table_name='test')"> <dtml-var standard_html_footer> It works as well. Now my question is, is it just a question of personal style, or there is a more subtle advantage in pushing values in the REQUEST object? Thanks and regards Stefano

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Webdav / ports
by Philippe J 19 Feb '01

19 Feb '01

[sorry, newbie kind of questions;-)] Hello, It's my first post on this list, so please excuse me if this has been asked 100 times. Voilà, I discovered zope, and was wondering how this webdav stuff works. read that it was possible to use webdav with zope, and with ie 5+ and ms office 2000, and some others clients. I installed zope (which of course rocks!), and didn't know how to setup webdav with it. Do I have to change something in the start.bat file? Any arguments? It seems that the right one is -W. I'm using zope 2.3 on a win32. Do you have any pointers about this? Anyone doing this on the same kind of machine? What should I type in the open box of ie5? And in office2000? Another question : why does zope runs by default on the port 8080? I saw some sites on the net with the url like this : www.domain.com:8080 . "It's quite a mess they didn't change the port of the server" did I say in my little brain. And I tried to change this behavior on my local zope and didn't find a way. How can I change the port to the standard 80? Thanks for your time ! A zope newbie very impressed by the work made here Philippe Jadin

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RE: www.pythonia.de
by Joris Nicolai Kalz 19 Feb '01

19 Feb '01

>Was spricht gegen www.zope.de? Ich sehe nicht ganz den Sinn für ein >weiteres Forum. Ich vermute doch stark, daß sich Beehive über jede >Mitarbeit an www.zope.de freut... Nichts spricht gegen www.zope.de , doch leider habe ich das Gefühl, dass sich die Plattform www.zope.de nicht weiterentwickelt. www.pythonia.de soll mehr als nur ein Forum werden, was mir da vorschwebt steht ja auf der ersten Seite und im ersten Beitrag des Forums. Ich denke, dass Zope mehr als nur Technologie ist. Zope ist auch Philosophie, und die muss gelebt werden können, damit sich die Technologie durchsetzen kann. Ich möchte mit www.pythonia.de eine Plattform schaffen, über die sowohl technische als auch betriebswirtschaftliche Themen diskutiert werden können. Das bedeutet aber auch, dass die Plattform über ein Forum hinaus wächst und die Community in Entwicklungsprozesse mit einbezieht. Leider nutzt www.zope.de meines Erachtens nicht alle Möglichkeiten von Zope aus, um wie auf Zope.org die Mitgestaltung von Themen durch Mitglieder EINFACH zu ermöglichen. Programmierer kann man leicht von Zope überzeugen, doch die treffen leider nicht immer die Entscheidungen. Daher ist es wichtig auch "Entscheidern" den betriebswirtschaftlichen Nutzen von Zope zu verdeutlichen. Ich habe den Eindruck, dass dies bisher vernachlässigt wurde und möchte mit www.pythonia.de eine Änderung herbeiführen. (www.pythonia.de soll einfach etwas bunter werden!) Auch ich freue mich über jede Zusammenarbeit :-) www.pythonia.de wird mehr als nur Forum! Gruß Joris PS: zope.de ist auch für mich eine der wichtigsten Quelle zum Thema Zope

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[Ann] ZDatabaseTool first code release
by Andreas Heckel 19 Feb '01

19 Feb '01

This is the first ZDatabaseTool source code release . Two new Zope objects are provided. ZDatabaseDiagram shows the structure and relations between tables of your database based on referential integrity definitions. So you get a quick view over tables views and column definitions. A ZDatabaseExplore shows all entities of your database. Features: - show available databases - show database owners and users - show all database tables - show all database views - show all columns of a table - show column type length default values modifiers ... - show index definitions - show rule definitions - show constraint definitions - show trigger definitions - show reference integrity definitions - perform more powerful test queries then ZSQLMethod (no SQL skills needed) The Query Wizards you can see at the online demo are NOT included but it is on the TODO list for this week :-) http://www.easyleading.de/easyhome/index_html?content=downloads -- _______________________________________________________________________ Andreas Heckel andreas(a)easyleading.org LINUX is like a wigwam...no gates...no windows and an apache inside ;-)

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wampum example
by Jeremy Howard 19 Feb '01

19 Feb '01

Good evening everyone, I've searched the web and have looked at the examples provided with the wampum product but cannot find a real world example. Is there anyone out there that is using this product and can offer some help. The only thing I need to know is how one gets the results back after making a call to the processorder method. TIA Jeremy Howard jeremyh(a)flashcom.net

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Addendum: unexplained hang
by Leichtman, David J 19 Feb '01

19 Feb '01

The error I described earlier seesm to be caused by a LocalFS access.

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unexplained hang
by Leichtman, David J 19 Feb '01

19 Feb '01

I'm running Zope 2.1.6 on Solaris. I have a sudden, unexplained hang that doesn't seem to be tied to any modifications. The server will hang indefinitely, after throwing this error: 2001-02-19T01:17:11 ERROR(200) ZServer uncaptured python exception, closing channel <FCGIChannel connected 127.0.0.1:49676 at 8c3b88> (socket.error:(32, 'Broken pipe') [/opt/zope/ZServer/medusa/asynchat.py|initiate_send|211] [/opt/zope/ZServer/medusa/asyncore.py|send|274]) But runs fine in debug mode. Any ideas?

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Fiber Optic cable connectors needed !!!
by pmilea＠oo.net 19 Feb '01

19 Feb '01

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CoreSessionTracking: Initializing a new berkeley storage
by Randall F. Kern 18 Feb '01

18 Feb '01

My goal is robust session storage, using CoreSessionTracking 0.7. I've got (all running on a single linux box): ZEO, providing two storages: 1. FileStorage (with the name 'main') 2. BerkelyStorage (named 'session') Zope 2.3.0: With a custom_zodb.py file, which uses a ClientStorage to connect to ZEO using the 'main' storage. External Method: Inside the Extensions directory of my Product directory, I've got a SessionMount.py, with a function that returns a ZODB.DB() on another ClientStorage talking to the same ZEO but using the 'session' storage. Now I try to add an External Method Mount. I give it the module ZSpoke.SessionMount (my product is named ZSpoke- this seems to work fine.) I set the function to createSessionDB(), also works. The path is set to /session_storage. This results in an error from MountPoint._getMountRoot: "No 'Application' object exists in the mountable database." So... I started python and made an application object and a session_storage folder: Python 1.5.2 (#2, Nov 14 2000, 17:28:06) [GCC egcs-2.91.66 19990314/Linux (egcs- on linux2 Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam >>> import Zope Applying TransparentFolders patch version 0.3. >>> from Products.ZSpoke.Extensions.SessionMount import createSessionDB >>> db = createSessionDB() >>> conn = db.open() >>> root = conn.root() >>> from OFS.Application import Application >>> app = Application() >>> root['Application'] = app >>> get_transaction().commit() >>> from OFS.Folder import Folder >>> folder = Folder() >>> folder.id = 'session_storage' >>> folder.title = 'Session Storage' >>> app._setObject('session_storage', folder) 'session_storage' >>> get_transaction().commit() >>> conn.close() Then I added an External Session Data Container inside the session_storage folder, and changed my Session Data Manager to use it. Everything seems to work, but I'm very unsure :) One small problem I've noticed is the 'Data object timeout value in minutes' property on the Manage tab of the External Session Data Container is always 0, even if I try to change it. Anyone have any ideas, confirmation, I'm stupid, etc? Thanks! -Randy

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