March 2004 - Zope - Zope lists

ALERT!! Infected mail sent by you!
by postmaster＠hibox.hinet.net 16 Mar '04

16 Mar '04

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Re: [Zope] Searching a FieldIndex by ZPT
by Chris Withers 16 Mar '04

16 Mar '04

(keep it on the list) Andre Meyer wrote: > sequence_length is a "hidden feature" of Batch and gives the length of > the total list. I'm sure it is documented somewhere, just nto sure where ;-) Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk

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How do I enter data into ZODB?
by CLIFFORD ILKAY 16 Mar '04

16 Mar '04

Hi, I know how to use ZSQL methods to enter data into PostgreSQL. I want to create and save a Person object with the following attributes: firstName, middleName, lastName into ZODB with Zope. How would I do that? I know Zope stores the objects that I can see with the ZMI in the ZODB. I would think it would be good practice to keep those objects separate from objects that I create and save, like the Person objects mentioned above. How would I keep them separate? Regards, Clifford Ilkay Dinamis Corporation 3266 Yonge Street, Suite 1419 Toronto, Ontario Canada M4N 3P6 Tel: 416-410-3326

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Newbie Q: Error creating LocalFS
by Jock Coats 16 Mar '04

16 Mar '04

Hi, I'm new hereabouts, and though I have found a few references to similar problems in the archives and so on, still nothing is working for me. I wonder if anyone can shed any light on this, or point me in a different direction. I am really new to Zope, so forgive me if I'm doing something really obvious, or perhaps impossible. I want to use ZServer as a DAV server to my users' OS filestores (/home/user - FreeBSD 5.2). In the root of my Zope (2.7) I add a folder called dav, and I point my virtualhostmonster at it as 'dav.domain.com/dav/' (but I'm not getting this far so that shouldn't matter). Then in the dav folder I create a Local File System object (downloaded today from http://zope.org/Members/SmileyChris/LocalFS_Patched/0.3) called 'username' with a base of '/home/username/dav/' (a directory I just created and gave my Zserver process user ownership of). And when I click 'Add', it all goes horribly wrong and I get the error: "Site Error An error was encountered while publishing this resource. Resource not found Sorry, the requested resource does not exist. Check the URL and try again. Resource: __replaceable__ Troubleshooting Suggestions • The URL may be incorrect. • The parameters passed to this resource may be incorrect. • A resource that this resource relies on may be encountering an error. For more detailed information about the error, please refer to error log. If the error persists please contact the site maintainer. Thank you for your patience." And from then on whenever I try to access the dav folder from the root I get a similar error. (Note, I tried adding the self.isAnObjectManager=1 test as detailed in a post of Thu Jan 8 12:26:24 EST 2004 to this list, but unless I have missed some step in editing a .py file, it hasn't had any effect) Help!!! Thanks in advance, Jock Coats -- J1e Morrell Hall, OXFORD, OX3 0BP, United Kingdom T: +44 1865 485019 F: +44 845 1275714 M: +44 7769 695767

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hasattr in tal:condition
by Andre Meyer 16 Mar '04

16 Mar '04

Dear Zopers Is it the case that it is not possible to make use of hasattr within a tal:condition statement? In a ZPT I need to test whether an attribute of here/request is set or not. Unfortunately, this raises an exception, which is exactly what I want to prevent... Here is what the test looks like: span Is there a better way to achieve the same? thanks and regards Andre PS in the full version the statement looks as follows: <body tal:define="results python:test(hasattr(request, results), request.results, here.Catalog()); ... >

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Norton AntiVirus detected a virus in a message you sent. The infected attachment was deleted.
by NAVEX 16 Mar '04

16 Mar '04

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Adding an External Method
by John Poltorak 16 Mar '04

16 Mar '04

I have been following a worked example which shows how to add an External Method - something I have never done previously and it isn't working out as described in the article. Could someone suggest what is wrong? Here is the actual article:- http://www.zopemag.com/Issue006/Section_Articles/article_IntroToArchteypes.… I followed it religiously as far as this:- Now, give it a try: * Restart Zope * Make sure the product got imported just fine * Create a Plone Site * Create an External Method: id: install_article module: MyArticle.Install function: install * Run the External Method * Check that it worked by looking inside portal_types to see if it contains a type named "Article". Instead of it working when I run it, it fails with:- Traceback (innermost last): * Module ZPublisher.Publish, line 150, in publish_module * Module Products.PlacelessTranslationService.PatchStringIO, line 45, in new_publish * Module ZPublisher.Publish, line 114, in publish * Module Zope.App.startup, line 202, in zpublisher_exception_hook * Module ZPublisher.Publish, line 98, in publish * Module ZPublisher.mapply, line 88, in mapply * Module ZPublisher.Publish, line 39, in call_object * Module Products.ExternalMethod.ExternalMethod, line 59, in manage_addExternalMethod * Module Products.ExternalMethod.ExternalMethod, line 110, in __init__ * Module Products.ExternalMethod.ExternalMethod, line 133, in manage_edit * Module Products.ExternalMethod.ExternalMethod, line 140, in getFunction * Module App.Extensions, line 145, in getObject __traceback_info__: ('C:/USR/local/zope/lib/python/Products/MyArticle/Extensions/Install.py', 'MyArticle.Install') * Module C:/USR/local/zope/lib/python/Products/MyArticle/Extensions/Install.py, line 1, in ? ImportError: cannot import name GLOBALS (Also, an error occurred while attempting to render the standard error message.) This is what Install.py contains:- from Products.MyArticle.config import PROJECTNAME, GLOBALS from Products.Archetypes.public import listTypes from Products.Archetypes.Extensions.utils import installTypes from StringIO import StringIO def install(self): out = StringIO() installTypes(self, out, listTypes(PROJECTNAME), PROJECTNAME) print >> out, "Successfully installed %s." % PROJECTNAME return out.getvalue() I have no idea what GLOBALS pertains to and whether it is some sort of keyword in Python and it may well be due to an incorrect install of Python, but as I see it, I have followed the instructions in the article but it hasn't worked. Can anyone suggest what the cause might be and what I need to change to fix it? -- John

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Re: [Zope] ZRoundup?
by Tim Couper 16 Mar '04

16 Mar '04

Thanks for the response. The reason for wanting to use ZRoundup is to have an instance of Zope in use in the organisation (which is a python shop). I'm particularly interested in seeing how far it's possible in Zope to separate the various elements of web apps in general - zpts have done it largely for the content side, and I'd like to have the app in python, with a Zope "front end", which was the model being shown here. So if I'm developing a python app for the web, I can put all the functionality in, say, the App class, and have a ZApp class as front-end which inherits all the functionality from App by subclassing, and itself only handles the Zope interface elements. The only fly-in-the-ointment I've found to date is that writing a Zope app with an RDBMS from scratch I'd probably want to use ZSQLMethods (as the framework handles them "naturally") and so the python App class has to know about it's frontend and the elegance goes away. Or maybe I'm approaching this Zope-with-SQL problem from the wrong end. What's your experience? Finally, the answer to your question as to why is: "learning, while broadening the general python and python-related base and expertise". Tim --- Chris Withers <lists(a)simplistix.co.uk> wrote: > Hi Tim, > > Tim Couper wrote: > > > Has anyone successfully deployed the issue > tracking > > system Product ZRoundup? > > The guys at Upfront Systems > (http://www.upfrontsystems.co.za/) said that it was > pretty half baked when they tried it and recommended > just using Roundup on it's > own behind Apache. > > Why the particular interested in ZRoundup over > Roundup? ___________________________________________________________ Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now http://uk.messenger.yahoo.com/download/index.html

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Zope install
by John Poltorak 16 Mar '04

16 Mar '04

I'm attempting to install Zope 2.7.0 and it is getting copied to /usr/local/python/lib/python. --prefix is not set. Is this where I should expect it to be installed? Can someone give me an idea of the normal directory layout for this release? -- John

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RE: [Zope] hasattr in tal:condition
by Jean-Francois.Doyon＠CCRS.NRCan.gc.ca 15 Mar '04

15 Mar '04

Well, the thing about duplicating HTML in a ZPT due to the condition handling isn't new ... I've had to do that duplication thing myself a few times, not very elegant, but a small price to pay for the coolness of ZPT's otherwise :) Using PythonScripts is one idea, but the more ZPT'ish way to go about this might be to use METAL macros ... In fact someday I'll have to go look at my code to see if that wouldn't make much more sense. One other option is to tal:define the result of the condition, and then use the variable to do further conditional testing in your body or span. But like you said, that could clutter the whole thing with lots of tests, in which case the duplication is actually more efficient logic-wise ... It really depens on how much your true/false HTML has in common ... J.F. -----Original Message----- From: zope-bounces(a)zope.org [mailto:zope-bounces@zope.org]On Behalf Of Troy Farrell Sent: Monday, March 15, 2004 3:54 PM To: Andre Meyer Cc: zope List Subject: Re: [Zope] hasattr in tal:condition I haven't been following this thread, but your suggestion seems silly. Use two lines in one Page Template: Even better, write a python script which returns what you want to display and use one line in the ZPT: Sorry if my suggestions are irrelevant. I'm trying to keep you from doing unnecessary work. Troy Andre Meyer wrote: > Thanks for the hint. > > After some experimentation I realise that "exists:" does not help, > because it does not have an "else" branch. If I set the exists condition > on the body or a span tag, the defined results are visible only within > that tag. An else branch must me simulated by a second condition on a > tag, but that means that the whole content of the previous one needs to > be repeated. However, the whole point of the test was to re-use all the > content except for a single statement at the beginning that determines > where the results come from. As a result, a neater solution seems to be > to have two ZPTs with a single different line (maintenance problem). > > regards > Andre > > > Jean-Francois.Doyon(a)CCRS.NRCan.gc.ca wrote: > >> Yes, use the "exists:" TAL expression. So you would do: >> >> >> >> or something like that ... >> >> More info in the ZPT reference ... >> >> J.F. _______________________________________________ Zope maillist - Zope(a)zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )

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