February 2001 - Zope

Re: [Zope] OT: Using images to post a form
by Dieter Maurer 19 Feb '01

19 Feb '01

Paul Zwarts writes: > A slight off-topic request. I want to replace buttons with images to > post a form (for more than just cosmetic reasons), does anyone know how > it would be done? Can something like an onClick=document.Form.submit() > work here and tell zope to read the request? You may look at the Collector. I posted a patch there, that allows to use ":method" suffixes even for image buttons. The patch was for Zope 2.1.6. Now (Zope 2.3), there is an alias ":action" for ":method". The patch would need to be extended accordingly. Dieter

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Programmers Awards
by Andy McKay 19 Feb '01

19 Feb '01

I can think of a few Zope gurus who could fall into this category: ActiveState is delighted to kick off the first annual Programmers' Choice and Activators' Choice Awards. We'd like to honor those unnamed heroes who've *actively* contributed to making Perl and Python the most popular open source programming languages. Accordingly we'd like your input for the Programmers' Choice http://www.ActiveState.com/Awards for Perl and Python. Know someone whose code design rocks? We'd like to hear from you! We're also acknowledging those we deem worthy for their accomplishments with Perl and Python in an Activators' Choice award. Following a month long discussion period of late caffeine-filled nights, our dev team will through a rigorous evaluation process cast their votes for one deserving Perl and Python programmer. Here's how it works: - Fill out the nomination form to make your nominations NOW. Programmers' Choice http://www.ActiveState.com/Awards - Check back on Feb. 20, 2001 to see the list of the top nominees. - Vote for one of the finalists from Feb. 21 to March 5, 2001. Get out the vote and stay tuned. Winners will receive a cool trophy and will be announced March 6, 2001. -- Andy McKay. ActiveState.

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Re: [Zope] sql
by Dieter Maurer 19 Feb '01

19 Feb '01

Spinwing writes: > ... parameter passing to Z SQL methods: > in REQUEST or explicitly? > ... You will choose what better fits your needs: * sometimes, most arguments are already packaged in "REQUEST". Then you would add the few missing ones to REQUEST * if you have lots of paramters, they may be easier put and carried around in REQUEST * if the method has few parameters, I usually use explicit parameter passing as it is clearer Dieter

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Starting a hosting business
by tim haines 19 Feb '01

19 Feb '01

Hi there, I've developed a few zope applications for various clients now, and I'm looking at offering them hosting facilities. I'm trying to get a handle on the best way to run multiple 'sites' from one computer. What I'd like to do is run x.com, y.com, and z.com from 3 different data.fs files. My research over the last couple of hours points me to running a master data.fs, and using the siteaccess/siteroot products to redirect incoming requests to folders which are actually external storages. Does anyone else use this approach? If so, and there any tricks or traps I should watch out for? If I wanted to replace the z.com data.fs with a new one, would I have to shut down the master.fs, or just copy the old one over the new one? Does anyone run more than one instance of zope at once to serve multiple data.fs's? What are the other approaches in use? Suggestions? Cheers! Tim.

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RE: [Zope] adding zclass instance dynamically
by Menard.Jean-Francois＠hydro.qc.ca 19 Feb '01

19 Feb '01

Correction Oliver, I RECEIVED a response from Dieter (thanks!) <quote> Try "_.getitem(type)". "_[type]" calls the object, if it happens to be callable. This can easily result in a string, at least in a different object type. </quote> I tried it, and it works! -----Message d'origine----- De : Oliver Frommel [mailto:oliver@aec.at] Envoyé : lundi 19 février 2001 11:49 À : zope(a)zope.org Objet : [Zope] adding zclass instance dynamically Hello, how can I add a ZClass depending on a form value? I have a form variable called "type" which contains the type of ZClass I want to add: the "static" way is (working): <dtml-with "manage_addProduct['MyObjects']"> <dtml-with "article1.createInObjectManager(id, REQUEST)"> <dtml-call "propertysheets.Basic.manage_editProperties(REQUEST)"> </dtml-with> </dtml-with> now the form variable "type" either contains the string "article1" or "article2". but calling <dtml-with "_[type].createInObjectManager(id, REQUEST)"> doesn't work. what's the right way to do this? thanks --Oliver _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )

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RE: [Zope] parsing a textfile line by line
by sean.upton＠uniontrib.com 19 Feb '01

19 Feb '01

Try an external method using regsub (regular exp. subsitutions, split, etc); search for regsub.py in your Zope install to see a list of functions... You could pass the text of your object to a custom method to parse the text... Sean -----Original Message----- From: Thomas =?UNKNOWN?Q?M=FChlens?= [mailto:tomeins@yahoo.com] Sent: Saturday, February 17, 2001 4:58 AM To: Joh Johannsen Cc: zope(a)zope.org Subject: Re: [Zope] parsing a textfile line by line Dear Joh, thank you v e r y much for your help. Zope happily swallowed the code you suggested without complaining. We seem to get along a lot better now :) Originally I wanted to use the textfile as a zope Object because I can't access the filesystem on the server (yep, it's http://freezope.nipltd.net) Of course it was no problem to parse the data locally and import the results to the zope instance on the server. Just out of curiosity --> even though my problem was solved I wonder how this task would be accomplished when the textfile is a zope object. Regards, tom --- Joh Johannsen <jojo(a)farm9.com> wrote: > Hi Thomas, > > I do this using an external python method: > > > def LoadFile(filename): > try: > filein = open(filename, 'r') > except IOError: > return [] > else: > result = filein.readlines() > filein.close() > return result > > Then from DTML, you get it line-by-line: > > <dtml-in > "LoadFile(filename='/var/zope/var/test.file')"> > <dtml-call > "REQUEST.set('entry',_['sequence-item'])"> > > ... at this point, you have a dtml-var called > "entry", one for each > line of your file > </dtml-in> > > NOTE: the above is a stripped-down, untested version > of what I have, so > it may not work exactly as is, (though I think it > does -- yes, I'm > naively optimistic..) > > Also, if you are reading the line in from the > external method, it might > be easier to parse the line there. The list that is > returned could be a > list-of-lists, then the above "entry" dtml-var would > be a single list, > and you can access the elements of the list from > dtml using entry[0], > etc. don't know exact syntax for this. > > Also, its kind of nice for running external programs > from an external > method: > > def runit(p1,p2): > result = os.popen( > "/usr/local/farm9/bin/someprogram %s %s" % (p1,p2) > ).readlines() > return result > > Then you can get the results line-by-line exactly > the same way as you do > from reading the file. > > Regards, > > JJ > > "Thomas Mühlens" wrote: > > > I stored a whole bunch of parameters in a textfile > > object (text/plain format) called params. How can > I > > read it into a string variable line by line, that > is, > > > > read line1 - parse line1 > > read line2 - parse line2 > > ... etc > > > > Is it memory efficient to do this with some  syntax? > > > > cheers, > > tom __________________________________________________ Do You Yahoo!? Get personalized email addresses from Yahoo! Mail - only $35 a year! http://personal.mail.yahoo.com/ _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )

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RE: [Zope] adding zclass instance dynamically
by Menard.Jean-Francois＠hydro.qc.ca 19 Feb '01

19 Feb '01

Hi Oliver, I posted the same question 3 days ago, with no response. If you find a way, I would be very interested to know it! Good luck! -----Message d'origine----- De : Oliver Frommel [mailto:oliver@aec.at] Envoyé : lundi 19 février 2001 11:49 À : zope(a)zope.org Objet : [Zope] adding zclass instance dynamically Hello, how can I add a ZClass depending on a form value? I have a form variable called "type" which contains the type of ZClass I want to add: the "static" way is (working): <dtml-with "manage_addProduct['MyObjects']"> <dtml-with "article1.createInObjectManager(id, REQUEST)"> <dtml-call "propertysheets.Basic.manage_editProperties(REQUEST)"> </dtml-with> </dtml-with> now the form variable "type" either contains the string "article1" or "article2". but calling <dtml-with "_[type].createInObjectManager(id, REQUEST)"> doesn't work. what's the right way to do this? thanks --Oliver _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )

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RE: [Zope] Stresstest
by Farrell, Troy 19 Feb '01

19 Feb '01

Check out apache bench (comes with apache AFAIK). It was used to do these tests a while back: http://www.zope.org/Members/BwanaZulia/benchmarks.html Troy -----Original Message----- From: Stephan Goeldi [mailto:stephan_goeldi@hotmail.com] Sent: Friday, February 16, 2001 6:50 AM To: zope(a)zope.org Subject: [Zope] Stresstest I would like to stress test Zope and Apache and to compare test results. The results should be as realistic as possible, e.g. combination of parallel accessing Zope/Perl/PHP/static Apache etc. What stress test software for Linux and WinNT can users of this list suggest? -goe- _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )

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RE: [Zope] Zclass
by Farrell, Troy 19 Feb '01

19 Feb '01

http://www.zope.org/Members/tazzzzz/addZClasses http://www.zope.org/Members/Mammux/removeZClasses -----Original Message----- From: Rubinstein Fredrik [mailto:fredrik.rubinstein@ivf.se] Sent: Friday, February 16, 2001 5:57 AM To: 'zope(a)zope.org' Subject: [Zope] Zclass Hi there. I have built a small application starting out from the "Searchable jobboard example". Everything is now up and running. However I want to build a form that deletes objects of my own class. Does anyone out there have an good example of this. Which functions to call, wich permission need to be set and so on. With kind regards. Fred R. _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )

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Matching a date that's in a Zcatalog field index
by Chris Muldrow 19 Feb '01

19 Feb '01

I've set a CreateDate property on a bunch of files--basically, i grab the ZopeTime at the time of the DTML Document's creation and write it to a CreateDate property of type date. Now I'm trying to pull individual dates out of the Catalog--for instance, to show all of the stories written today. What's the proper syntax for matching this stuff? This doesn't work: <dtml-in "NewsCatalog(CreateDate.Date()=_.ZopeTime().Date())"> </dtml-in> Thanks! - Chris

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