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Building a server for Zope
by Jimmie Houchin 22 May '99

22 May '99

Hello, I am in the process of researching my options for building a server to host my Zope website. The server will be running RedHat Linux 6.x and either ZAP or ZServer if it's ready. I know that Linux is SMP capable. If I am running Zope and ZServer, will Zope 2.x benefit from a multiprocessor system? I am working on a tight budget so for an example here are a few options. single PII 400 or 450 or K6-3 450 or dual PII 300 or 333 or dual PPro 200 (talking to a friend who might have one available) Jimmie Houchin

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FYI: News from the front, part 2
by Paul Everitt 22 May '99

22 May '99

Day One definately exceeded expectations. LinuxExpo has about the number of booths that I expected, but the quality of booths is pretty high. However, there are probably twice the number of attendees that I expected. The good news is that our booth is definately in the top half of "getting mobbed" booths. I nearly talked my voice out in the morning giving presentations at a feverish pace, then Chris nearly lost his in the afternoon. The plan was to have enough people at the show to have half in the booth and half walking around. Instead, the we've needed everybody around the booth. In case I didn't say it yesterday, the portal toolkit demo is awesome! We started with a nice surprise: copies of the new Linux Magazin with Zope on the cover! It is a really well produced magazine. We definately feel more credible being associated with something so well done. Jon Corbet from LWN came by for a demo and a one-on-one talk. He also had a nice surprise: a "Product Review", written by him, about Zope 1.10.2 in a new Linux magazine. Tom Jenkins and crew dropped by in the afternoon and spent about an hour with us, I believe. Saw the demo, then did some behind the scenese peeking at the code with Brian Lloyd. The highlight was at the very end, a couple of quite antagonistic folks came over and started taunting Zope. One of the guys was a Domino zealot. By then end, Jim was writing his application on the spot. They left with a grudging kudo. The Object Domain folks are here, need to get out of the booth and make some rounds. Paul Everitt Digital Creations paul(a)digicool.com 540.371.6909 ----------------------------------------- The Open Source Zope application server http://www.zope.org/ -----------------------------------------

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RE: [Zope] getting  sections to 'render' from an external method...
by Tony McDonald 21 May '99

21 May '99

> > > I want the  DTML to be left alone by the >> make_html external method so that Zope can get given it and then do >> all its good stuff. >> > Thanks for the reply, >Um, I don't know if I understand it quite right. > >If the question was concerning what the method should return, then you could >either pass 'REQUEST' or 'self' (Depending on where the conference variable >is:in REQUEST, in a Folder) to you method and have it return something like > >'For the following exercise, use the conferencing system. %s' >%REQUEST['conference'], tagtype='text' Would this allow Zope to 'render' the returned value from the external method (eg '...use the conferencing system  ...') so that the #var is expanded? >If the question was concerning the way to pass a variable to an external >method, then the problem is that you can't use DTML inside an expression. >Change it to something like: >'For the following exercise, use the conferencing system. %s' %conference, >tagtype='text' I see what you mean. I don't want to pass a variable to the external method, I want the external method to put a 'wrapper' around the content I send it (in this case HTML) and then pass that back to the Zope system which will then do any further substitutions/acquisitions etc. based upon any DTML that *may* be returned. Thanks tone ------ Dr Tony McDonald, FMCC, Networked Learning Environments Project The Medical School, Newcastle University Tel: +44 191 222 5888 Fingerprint: 3450 876D FA41 B926 D3DD F8C3 F2D0 C3B9 8B38 18A2

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RE: [Zope-dev] complex zope applications
by Rob Page 21 May '99

21 May '99

> hi folks, Hi Scott! > i originally planned to use ASP, but couldn't find any tools i was > happy with. already a little behind, i gambled and decided to use > zope. not knowing any python, i went the DTML/SQL method > route. this part of the application is working well. I'm a little biased but if the application is complicated for Zope it would have been, um, MUCH more complicated with ASP.</$0.02> > here's the problem. the full (larger) scope of the project is now > becoming clear. to model all the data will probably require 18-20 > tables. working with the data will require 3 or 4 separate > applications. Aaahh, isn't that fun. Of course, before anyone told you the full scope of the project you'd committed (and they'd written down) cost and timeline objectives, right?! Incremental software requirements discovery is about as certain as the speed of light, no? :^) > any ideas on how to develop this in zope in a manageble way? the > first application is composed of a LOT objects: DTML input forms, > DTML form handlers, SQL methods, etc. i'm afraid if i keep going > this route things will spiral out of control. > > what seems like a better structure is 3 tier: python business > objects talk to (encapsulate) the database. zope controls the > business objects. the main reason i switched to zope is that it > seems like zope is set up for this. > > before i jump into this, is there anyone who has done something > similar? can you offer any advice or moral support? sorry for the > broad questions, but i guess i'm looking for feedback at a higher > level. over the next few months i'll have 1000s of more specific > questions :) Yes.. we've done some pretty complicated apps. We've also taken a fancy to modelling the apps with UML. The whole notion of Actors in a system provides a very nice functional decomposition and DRASTICALLY simplifies security. I'd suggest a main application folder with at least one subfolder for Actors. In the Actors folder create a subfolder for each Actor. \TrainingRegistry \UserFolder (for security on the app) \Actors \Trainer \TrainingManager \TrainingEventManager \TrainingLocationManager \AppAdministrator Odds are you'll have some SQLMethods like: o sqlSelectTrainers o sqlSelectTrainingEvents o sqlSelectTrainingLocations which will probably be used ALL over the app. Put those on the Actors folder -- that way you can use them (often overloaded with Acquired variables) in all of the Actor folders without duplicating them (ooh, baad). Another pattern that's been useful is (as shown above) to put the lookup table care-and-feeding functions in a separate folder (AppAdministrator). This person adds, edits, and deletes new Locations, Counties, etc.. Of course your analysis may show that a Trainer might also need to add a Location -- in that case put the forms in Actors and acquire them. IMNHO, the BEST way to model this is with a UML Use Case diagram (it connects Actors with Use Cases). The need to use/reuse/acquire methods jumps right out at you. Note that ZClasses will likely cause us to evolve this approach. HTH, Rob

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statistics-n-nnn tags
by kent＠tiamat.goathill.org 21 May '99

21 May '99

From the DTML manual : variance-nnn : The variance of numeric values computed with a degrees of freedom equal to the (count - 1). variance-n-nnn : The variance of numeric values computed with a degrees of freedom equal to the count. standard-deviation-nnn : The standard deviation of numeric values computed with a degrees of freedom equal to the (count - 1). standard-deviation-n-nnn : The standard deviation of numeric values computed with a degrees of freedom equal to the count. So I try:  which works, however,  provides: Traceback (innermost last): File "<stdin>", line 1, in ? File "pedsys.py", line 218, in summary return HTML(html)(self) File "./DT_String.py", line 513, in __call__ File "/usr/pkg/zope/lib/python/DocumentTemplate/DT_In.py", line 678, in renderwob try: append(render(section, md)) KeyError: standard-deviation-2-EGO All statistics-n-nnn forms result in a key error regardless of how/ where I use them. Am I misreading the manual on how to use them? I'm running Zope 1.10.2 but I peeked at 1.11.0pr1 and saw that there have been no changes to DT_InSV.py between the two versions (1.10.2 and 1.11.0pr1). Thanks Kent

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RE: [Zope] Copy database or part of database
by Rob Page 21 May '99

21 May '99

> Is it possible to copy the Zope database (or just a part, ie. from a > certain folder) of a Zope application to another Zope application? Yes, via files... not (yet?) through the web. Click Import/Export... --Rob

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Copy database or part of database
by Tom Deprez 21 May '99

21 May '99

Hi, Is it possible to copy the Zope database (or just a part, ie. from a certain folder) of a Zope application to another Zope application? How? tom.

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Zope 1 -> Zope2 import/export
by Chad McDaniel 21 May '99

21 May '99

I tried to copy my new project to from Zope 1 to Zope 2, but Zope 2 gives the error: ---  --- has anyone managed to get this to work? -- -chad

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Needs some ammunition.
by Chad M. Townsend 21 May '99

21 May '99

My damn Art Director wants to use TeamSite by http://www.interwoven.com/, of course we're not. We are going to use Zope. I was wondering if anyone has had any experience with TeamSite so when I speak with them on the phone I can put them in their place. It seems all it is, is CVS with added work flow control. I don't have that much experience with Zope yet, does it have some sort of work flow control? Any help is as always, greatly appreciated. -chad

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Re: [Zope] FYI: News from the front, part 2
by Chad McDaniel 21 May '99

21 May '99

Martijn Pieters <mj(a)antraciet.nl> writes: > At 13:53 21/05/99 , Robert O'Connor wrote: > >Is there a picture of the magazine cover on the net? > > > >-Bob OConnor bob(a)rocnet.com > >"May the source be with you." > >(Later today the whole family gets to see THE movie.) > > Yup: http://www.linux-magazin.de/ > > It looks like their new site is online. I understood from Thomas Riedl (the > author of the article) that the site is now running on Zope. That is to > say: he said they were converting, and I assume the new look means they are > done. > The easiest way to test is to just stick "/manage" at the end of any URL and see if it asks you to login. So, yep, it's running on Zope. -- -chad

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