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python-script to python-script XMLRPC
by Dennis Allison 11 Jan '04

11 Jan '04

I have a system which uses XMLRPC to execute zope methods remotely for administrative purposes. I shamelessly borrowed the xmlrpcBasicAuth code (thanks Amos and Chris) used by ZSyncer to provide a xmlrpc server proxy with BasicAuthTransport. To execute a method remotely, I first create a server server = Server( url, username='...', password='...') where url references the object upon which the method is to be applied or the object which contains the object to be executed. To execute a method with id of foo, on then executes getattr( server, 'foo')( [params] ) where params is a dictionary containing the name/value pairs needed by the method. This works for DTML methods, but fails for Python Scripts with diagnostics related to mismatched counts of parameters. For the moment, I've worked around the problem with a DTML method wrapper for my python script, but thats ugly! What's the right Python Script interface to be called by XMLRPC?

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MGMT Interface
by SDA 11 Jan '04

11 Jan '04

Hello: Newbie here to Zope. I recently installed Zope on Debian (Sarge), and from the get go there were some issues. Namely the 'default' setup was missing, so I couldn't get it started. A little reading of the docs helped get that sorted. Now, I can't get into my Management interface. I have set the password, both my using the 'zopectl -a access' switch, and by issuing 'python zpasswd.py access'. However no dice, still can't login with the pwd/log setup with either/or methods above. Any suggestions? Thank-you. -- Stephen

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Some installiation bug for zope-exuserfolder and related
by Federico Andrade 11 Jan '04

11 Jan '04

Hi, I dunno if this is the right place and if you already fixed this, and sorry if this is not the way to report a bug (I don't have the time to RTFM, I just want to do a quick install). Anyways, here's my two cents: I got this message when trying to install zope-exuserfolder (0.10.10-5), (and related stuff) using debian's dselect utlility on a debian 2.4.18-bf2.4 unstable: : Setting up zope-cmfplone (1.0.5.20030909-2) ... postinst cannot determine the version of python used in /usr/sbin/zope-z2 ... please file a bug report. dpkg: error processing zope-cmfplone (--configure): subprocess post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of plone: plone depends on zope-cmfplone (= 1.0.5.20030909-2); however: Package zope-cmfplone is not configured yet. dpkg: error processing plone (--configure): dependency problems - leaving unconfigured Setting up zope-exuserfolder (0.10.10-5) ... postinst cannot determine the version of python used in /usr/sbin/zope-z2 ... please file a bug report. dpkg: error processing zope-exuserfolder (--configure): subprocess post-installation script returned error exit status 1 Errors were encountered while processing: zope-cmfplone plone zope-exuserfolder E: Sub-process /usr/bin/dpkg returned an error code (1) Some errors occurred while unpacking. I'm going to configure the packages that were installed. This may result in duplicate errors or errors caused by missing dependencies. This is OK, only the errors above this message are important. Please fix them and run [I]nstall again Press enter to continue. : The problem seems to come from /usr/sbin/zope-z2 in this (only) line: exec python2.2 -O /usr/lib/zope/z2.py $@ should be: exec /usr/bin/python2.2 -O /usr/lib/zope/z2.py $@ based on the regular expression from postinst located at: /var/lib/dpkg/info/zope-exuserfolder.postinst After that it works fine. Regards, Federico.

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zope2.6.3 and zclass+property sheets+catalog aware
by Bakhtiar A Hamid 11 Jan '04

11 Jan '04

hi just upgraded my zope 2.6.1 to zope2.6.3 and went thru hell :P the setup: i have a CatalogAware ZClass (sorry, this has been in existence since early 2000) that uses propertysheets to store properties. this has worked since zope2.0 till zope 2.6.1(well, actually the zope version is between zope 2.6.1 and zope2.6.2, from cvs) last night i upgraded to zope2.6.3, and everything looked ok. but when users tried adding in the zclass instance, or updating older instance, the propertysheets never got changed! that makes users mad. this zclass also works on zope2.7.0b3, that i can be sure. i haven;t yet tried this on zope2.7.0b4 i also tried another simple zclass and that b0rked too. i then created a new zclass, that subclass ZClass: objectManager, nad put in two properties of string and text. adding an instance shows the same problem. no tracebacks. everything adds fine. just nothing in the properties :P the question: what might have cause this trouble? CHANGES.txt mentioned some changes with PropertyManager. but the affected fileds/types used in my ZClass are mostly text and string thanks for any hints and help

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Re: [Zope] Adding a ZPT when adding product instance
by Lee Harr 10 Jan '04

10 Jan '04

> >I use something like this to add a DTML Method inside of my folderish > >product: > > > > # Add default interface > > index_html = HTMLFile('dtml/index_html', globals()) > > text = index_html.read_raw() > > ob.manage_addDTMLMethod(id='index_html', title='') > > idx = ob.index_html > > idx.manage_edit(text, title='') > > > > > >the source for the index_html file is in the dtml folder in my product, > >and is called index_html.dtml > > > >Is this the correct Zope idiom? > >How can I do something similar for ZPT? > >It is similar for ZPT. > >ZPT use the "official" creation method (not an abbreviated form >like DTML). It looks like: > > ob.manage_addProduct['PageTemplates'].manage_addPageTemplate( > id, title, text) > >"PageTemplateFile" is the correspondence for "HTMLFile". >However, I would directly read the file content (with Python's >"open" followed by "read") and pass it as "text" to the >constructor. > Ok. That was actually my first thought, but how do I find the directory in which my product? This is how I have done it ... dirname = os.path.dirname(__file__) zpt = os.path.join(dirname, 'zpt') index_html = open(os.path.join(zpt, 'index_html.zpt')) text = index_html.read() ob.manage_addProduct['PageTemplates'].manage_addPageTemplate( 'index_html', '', text) I could not find PageTemplateFile from my script... it is not in Globals with HTMLFile. I also found package_home in Globals while looking through ZopePageTemplate.py but I am not quite sure how to use it. Thank you for your time. _________________________________________________________________ MSN 8 helps eliminate e-mail viruses. Get 2 months FREE*. http://join.msn.com/?page=features/virus

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how to define a class for use in scripts
by Istvan Albert 10 Jan '04

10 Jan '04

Hello Folks, here is a problem that I was so far unable to make any notable progress. I want to be able to use a custom class in my python scripts. in python I would create a file say User.py and put in it: class User: set(self, user_id): self.user_id = user_id In my scripts I want to be able to do a: import User user = User.User() user.set(1) I do not need a product! I think I understood how do those work and I have made some simple products myself. But those need to be added individually. ZCLasses seem to be no good either. These also seem to be static objects that are instantiated once and then only their properties change. This user class needs to be created as an instance and multiple instances may be present if there are multiple users. I've read a lot of documentation and still have no clue whether it is possible to do this without tinkering with the internals of the system. I have full access to any part of Zope, what I'm hoping is to be able to put this file in a place that allows Zope to use it. Is there such a place? thanks for the help folks, Istvan.

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OT:looking for info/ideas on "Open Source Business Models"
by robert 10 Jan '04

10 Jan '04

Hi all, I am going to give a speech on "Open Source Business Models" for which I am searching ideas and concepts. What I would like to show is why and where OSS provides a better base to make business than closed source. A main focus should not be how to provide "big" software packages like Zope/ Mysql/et al but on what business could be buildt around them. Any Ideas and pointers would be greatly appreciated. Robert

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psyco and zope?
by Marc Lindahl 10 Jan '04

10 Jan '04

has anyone checked out psycho (http://psyco.sourceforge.net) for speeding up zope?

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no upgrade binary?
by Stephan Goeldi 10 Jan '04

10 Jan '04

Is there no upgrade binary available for Zope 2.6.3?

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RE: [Zope] Weighing catalog searches per index ?
by Jean-Francois.Doyon＠CCRS.NRCan.gc.ca 10 Jan '04

10 Jan '04

Casey, Ahhh, so it just multiplies the score. Which also means the scoring is applied to each field, instead of merging the fields and THEN scoring. But doesn't that mean that even if not restricting the search to specific fields, the scrow coming out of one of our indexes could be different than a pure ZCTextIndex which scores on just one big "blob" of textual content, instead of several small ones ... At least with Okapi that would presumably make a difference sincepart of the cosring is based on the totoal number of words in the document ? But then that's not too big a deal, so long as whatever differences are explained/documented :) I can help with that if you'd like. As for the syntax of the querying, I'm really indifferent, so long as it works :) I guess your suggestion does have advantages over mine indeed though ! Thanks for getting this done ! Let me know as soon as you've got it and I'll gladly try it out. Since this can be made into a transparent extension of ZCTextIndex, I'd really suggest that if/when this is deemed mature enough, it replace the current ZCTextIndex. This searching fucntionalty is kind of invaluable and extremely powerful, and I'm sure would be of great use to many once they find out about it ! Thanks for the great help! J.F. -----Original Message----- From: Casey Duncan [mailto:casey@zope.com] Sent: Thursday, January 08, 2004 4:54 PM To: Jean-Francois.Doyon(a)CCRS.NRCan.gc.ca Cc: zope(a)zope.org Subject: Re: [Zope] Weighing catalog searches per index ? On Thu, 8 Jan 2004 16:24:58 -0500 Jean-Francois.Doyon(a)CCRS.NRCan.gc.ca wrote: > Casey, > > Thanks for pointing out this product, I'll have to give it a try, as I > can foresee many useful applications for it ! Cool. Its new and I'm eager to get feedback from the field on it (no pun intended). [...] > > Your product seems to have a good base to start with. The problem > now, and one that stopped me in my tracks, is how to > define/calculate/configure this"weighing" concept. You suggest > there's some underlying functionality for weighing already, maybe it'd > just be a matter of taking advantage of it, and documenting how to use > it ? The big question would be what does a weight of"1" MEAN versus a > weight of "2" or "5" ? ZCTextIndex calculates document and word scores. When queries are performed these scores are combined as intermediate results are combined (using unions and intersections). The weighted versions of these commands allow you to weight one set differently than another. The weight multiplies the score by some factor as the set operation is performed. > The other is how it gets purely implemented. Does the weight need to > be known at indexing time, or can it be provided at search time ? My > hunch is the weighing should be applied at search time, so your > product could be modified to take as input the weights to apply to > each index that is being search through ? Could be done either way. Weighing at index time might be more efficient, but would not allow different weights to be applied for different queries. I doubt that query-time weighting would slow things down at all since it is already being done (only the weight factors are always 1). All of the set operations are implemented in C. > Something like: > > result = catalog(dc_fields={"query":"Some search string", > "fields":["Title","Description"]}) > > could become: > > result = catalog(dc_fields={"query":"Some search string", > "fields":["Title","Description"], "weights":[5,1]}) Sure or maybe: result = catalog(dc_fields={"query":"Some search string", "weighted_fields":{'title':5, 'description':1}) This might be slightly less error prone (otherwise you need to match up the lists}, if slightly less readable. :record marshalling for weighted_fields could also be supported for queries from web forms. Either spelling would work though and I'm open to input. > Meaning apply a weight of 5 to Title, and 1 to Description. Which I > would in turn interpret as meaning Title is 5 times more important > than Description (Not knowing any better right now). Yes, scores for words found in the title would get multiplied by 5. Scores for description would get multiplied by 1. > Personally I'm using the Okapi algorithm. When I started > investigating this, I came to the (admitedly uneducated) conclusion > that to do proper, fast weighing, then the Okapi implementation would > have to be modified to support this feature (Maybe it does already > ??), which is over my head, especially with the okascore module being > Python/C. Doing it in python would mean doing a second pass over the > results that have already been scored once, which is innefficient it > seems, and computationally intensive(Especially as I envision th efact > that really really nice weighing algorythms would need to have all > content in memory in order to do relational work between records). I don't think the scoring algorithm would be affected what you propose. I'd need to dig in a little deeper to be sure though. > Anyways, that's what I've been thinking about ... But the benefits of > having such a beast seem really tentalizing, so I thought I'd ask > anyways ... Besides maybe I'm way out to left field on this and it's > easier than I make it out to be ?! :) I think this is a very compelling addition to the product. I'm going to look at implementing it this weekend. Thanks for the idea! -Casey

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