December 2000 - Zope

Re: [Zope] Authentication Problem : External method returning object
by Sean McGrath 08 Dec '00

08 Dec '00

>> .... >> Here is the external method "testexternal": >> >> class AClass: [Dieter Maurer] >You will need (or something like this): > __access_to_unprotected_subobjects__= 1 >> def __init__(self): > > .... It works a treat. Thanks! Sean

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RE: Strange Catalog problem.
by Søren Roug 08 Dec '00

08 Dec '00

|| > Apparently "Update Catalog" doesn't touch the old invalid || > pointers in the index. || || Yes. Is it a feature or a bug ? Because this causes a lot of || trouble when || you want to transfer a 2.1.6 to 2.2.x site (because of the || lack of subclass || objets proposal when you want to do a new clean index.. || In my opinion ZCatalog should clean out invalid references. So I would classify it as a bug. || > Also, for Yihaw you must find object of all types || otherwise it won't catalog || > the subclassed objects! || || That's weird. It only shows the main Zclass. So doing that || the catalog || ends up with thousands of other objects ! || || Is this also a feature or a bug ? This is in my opinion also a bug. If they at least could catalog all derived classes. -- Sincerely yours/Med venlig hilsen Søren Roug <soren.roug(a)eea.eu.int> European Environment Agency Kongens Nytorv 6 Tel: +45 3336 7212 Fax: +45 3336 7199 ICQ: 13804170

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RE: Strange Catalog problem.
by Didier Georgieff 08 Dec '00

08 Dec '00

Le 8 Dec 2000, à 11:44, Søren Roug a écrit : > I think you should do "Find Items to ZCatalog" and do a clean index of the > whole website. Yes. But problem is to get the *whole* objects or nothing but can't get only the Yihaw objects and subclassed objects (see below). I guess it's a ZCatalog problem (or a feature ?) > Apparently "Update Catalog" doesn't touch the old invalid > pointers in the index. Yes. Is it a feature or a bug ? Because this causes a lot of trouble when you want to transfer a 2.1.6 to 2.2.x site (because of the lack of subclass objets proposal when you want to do a new clean index.. > Also, for Yihaw you must find object of all types otherwise it won't catalog > the subclassed objects! That's weird. It only shows the main Zclass. So doing that the catalog ends up with thousands of other objects ! Is this also a feature or a bug ? Thanks for the help. -- Didier Georgieff DDAF du Bas-Rhin - Cellule SIG 2, rue des Mineurs 67070 Strasbourg Cedex tél : 03.88.25.20.33 - fax : 03.88.25.20.01 email : didier.georgieff(a)agriculture.gouv.fr SIT du Bas-Rhin : http://www.bas-rhin.sit.gouv.fr GéoWeb http://sertit10.u-strasbg.fr

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RE: [Zope] ZPatterns
by Magnus Heino (Rivermen) 08 Dec '00

08 Dec '00

> > I simple products that does things the ZPatterns way, and > explains why and > > how would be just great. > > The problem, and this I totally agree with PJE, Ty Sarna and the other > people who're using ZPatterns and fully understand it, is > that they are > using it to do their jobs and so really haven't got the time > to come up > with nice examples and finished docs. > > To be honest, I'm just glad they chose to open source it all :-) And so am I. What I meant was that there seems to be more and more people that that start to understand it, at least a small bit of it. If all these people contributed their small part to a HowToWriteASimpleAndGoodZPatternsProductZWiki, then the documentation bit would be solved. Maybe people like you? :) /Magnus

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Re: [Zope] Cut/copy/paste problems
by Oleg Broytmann 08 Dec '00

08 Dec '00

Hi! > i knew that! :) btw, there's currently sparse document on mod_pcgi2. i'd > like to change that, but i need info from you (the author ..straight from the > horses mouth - so to speak) or snippets from your httpd.conf. do i need to > have Zope.cgi available? i think i do since otherwise, there'll be no > connection. or am i missing something? You missed pcgi-wrapper :) If you look into Zope.cgi (it is just plain text file) you'd found it is a script interpreted by pcgi-wrapper. That very pcgi-wrapper is a binary file compiled from pcgi-wrapper.c during the Zope installation process. The pcgi-wrapper binary is the program that implements PCGI protocol. When I wrote mod_pcgi2, I borrowed a lot of code from pcgi-wrapper.c. That way you do not need Zope.cgi or pcgi-wrapper - the PCGI code is already in mod_pcgi2. > how can i finetune the performance? it seems that under heavy load, eg 100 > simultaneous apache connection, it'd get loger to contact the server. in the > browser, we'd see contacting the server, waiting for reply .. for about 3-4 > secs before we get any activity/reply from server. You'd need to finetune Zope, not the mod_pcgi2 module. When you connect to Zope-behind-Apache the process is going the following path: 1) browser sends a rquest to Apache 2) Apache invokes the mod_pcgi2 handler 3) the handler passes the request to Zope 4) !!! here is the problem to finetune !!! If Zope's own pull requests handlers is empty - Zope does not handle the request, but queues the request and waits 5) after Zope processes the request it passes the results back 6) mod_pcgi2 passes the results to Apache 7) Apache passess it back to browser. Ususally there are 4 threads in Zope, and 7 ZODB connections. The first number - 4 threads - could be configured by passing parameter to z2.py. If you raise the number much, you'd need to raise he seconf number somwhere in the ZODB source code. These are points for finetuning. Actually you may need to tune more things, but these things are just totally unrelated to mod_pcgi2. Tune ZODB cache, install and learn to use cacheing Products (the are a number of caches for Zope), use squid, etc. > when i do a packet dump, it seems that the machine needs a couple of SYN > before getting and ACK from the server. do you think it has anything to do > with mod_pcgi2? sorry if it's not. I'm pretty sure it has nothing with mod_pcgi2. SYN/ACK are properties of TCP/IP protocols, and PCGI protocol is much higher level. Oleg. ---- Oleg Broytmann http://www.zope.org/Members/phd/ phd(a)phd.pp.ru Programmers don't die, they just GOSUB without RETURN.

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RE: Strange Catalog problem.
by Søren Roug 08 Dec '00

08 Dec '00

I think you should do "Find Items to ZCatalog" and do a clean index of the whole website. Apparently "Update Catalog" doesn't touch the old invalid pointers in the index. Also, for Yihaw you must find object of all types otherwise it won't catalog the subclassed objects! The correct behaviour in 2.2 is with a preceeding '/'. || -----Original Message----- || From: Didier Georgieff [mailto:Didier.GEORGIEFF@agriculture.gouv.fr] || Sent: Friday, December 08, 2000 10:45 || To: soren.Roug(a)EEA.eu.int || Cc: zope(a)zope.org || Subject: Strange Catalog problem. || || || Hello, || || I'm using a modified (french, adding programatically and new || classes but || the ground features are untouched) Yihaw on 2.2.4 (linux). || || I've got a strange behaviours (YihawNews boxes don't show || the new items) || until i found that "old" (before upgrading to 2.2.2 + 2.2.4 || update) items on || the catalog don't start with "/" and the new ones does start || with "/". || || Reindexing gives me the same 2 categories and change nothing. || || I'm puzzled with : || * what is the "correct behaviour / or no / ? || * why reindexing doesn't homogenize the / ? || || The "new" items are now added programatically and the "old" || ones where || done thru Zope interface. || || And sometimes i still get a "problem uncataloging before || catalogging" || message on the Zope console. || || Am i missing some important change ? || Thanks in advance. || || || -- || Didier Georgieff || DDAF du Bas-Rhin - Cellule SIG || 2, rue des Mineurs 67070 Strasbourg Cedex || tél : 03.88.25.20.33 - fax : 03.88.25.20.01 || email : didier.georgieff(a)agriculture.gouv.fr || SIT du Bas-Rhin : http://www.bas-rhin.sit.gouv.fr || GéoWeb http://sertit10.u-strasbg.fr ||

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Zope newsgroups
by Thomas Volkmar Worm 08 Dec '00

08 Dec '00

Hi, are there newsgroups about zope? Regards Thomas

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RE: [Zope] ZPatterns
by Magnus Heino (Rivermen) 08 Dec '00

08 Dec '00

> ...I disagree, ZPatterns only major flaw is that its totally > immersed in > its own jargon which very few people understand :-( > > That said, my impression is that if you can wade through the b/s, it's > more than worth the effort... Are there any more docs or any examples available now than a couple of months ago? I tried it back then, but really didn't understand it all :-P I simple products that does things the ZPatterns way, and explains why and how would be just great. /Magnus

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Re: [Zope] ZNavigator
by Olaf Zanger 08 Dec '00

08 Dec '00

Jonas Juselius schrieb: > > Yes I have an idea... ;-) > > Due to some changes in Zope2, the ZNavigator broke... Try to get the latest > version (2.02) from www.zope.org/Members/jonas/ZNavigator/ and install the > examples from that distro instead. thanks for the tip, but didn't help, sorry navbar_dtml shows first icon right, second and third as "_" on click to second i come to Foo, click to first and third "date-string error" i copy /simple_demo/foo/index_html to /simple_demo/bar/index_html and it works unfortunately i can not find any differences between /bar/index_html and /foo/index_html what's up? olaf > > -jonas- > > On Fri, Dec 08, 2000 at 07:59:57AM +0100, Olaf Zanger wrote: > > hi there, > > > > i installed ZNavigator2.00.tgz on zope 2.2.2 > > if i try to use the examples i can install them > > i can edit the pages, but if i want to view them > > a error page "invalid date-time string" > > > > appears > > > > any idea? > > > > olaf > > > > -- > > soli-con Engineering Zanger > > Dipl.-Ing. (FH) Olaf Zanger Nusch > > Lorrainestrasse 23 > > 3013 Bern / Switzerland > > Fon: +41-31-332 9782 > > Mob: +41-76-572 9782 > > mailto:info@soli-con.com > > mailto:olaf.zanger@soli-con.com > > http://www.soli-con.com > Content-Description: Visitenkarte für Olaf Zanger > > -- > And what is good, Phaedrus, > And what is not--- > Need we ask anyone to tell us these things? > > [ PGP public key: http://www.iki.fi/jonas/pubkey.asc ] -- soli-con Engineering Zanger Dipl.-Ing. (FH) Olaf Zanger Nusch Lorrainestrasse 23 3013 Bern / Switzerland Fon: +41-31-332 9782 Mob: +41-76-572 9782 mailto:info@soli-con.com mailto:olaf.zanger@soli-con.com http://www.soli-con.com

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Strange Catalog problem.
by Didier Georgieff 08 Dec '00

08 Dec '00

Hello, I'm using a modified (french, adding programatically and new classes but the ground features are untouched) Yihaw on 2.2.4 (linux). I've got a strange behaviours (YihawNews boxes don't show the new items) until i found that "old" (before upgrading to 2.2.2 + 2.2.4 update) items on the catalog don't start with "/" and the new ones does start with "/". Reindexing gives me the same 2 categories and change nothing. I'm puzzled with : * what is the "correct behaviour / or no / ? * why reindexing doesn't homogenize the / ? The "new" items are now added programatically and the "old" ones where done thru Zope interface. And sometimes i still get a "problem uncataloging before catalogging" message on the Zope console. Am i missing some important change ? Thanks in advance. -- Didier Georgieff DDAF du Bas-Rhin - Cellule SIG 2, rue des Mineurs 67070 Strasbourg Cedex tél : 03.88.25.20.33 - fax : 03.88.25.20.01 email : didier.georgieff(a)agriculture.gouv.fr SIT du Bas-Rhin : http://www.bas-rhin.sit.gouv.fr GéoWeb http://sertit10.u-strasbg.fr

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