May 2001 - Zope - Zope lists

manage permissions
by dave＠kovach.com 12 May '01

12 May '01

Each time I go to access the ZMI - it automatically logs in as annonymous user. Thusly, anyone who knows my site address and goes to /manage - can see the insides of my zope instance - though the annon. priveleges dont allow them to do anything. This wasnt happening when I first installed. Now, everytime from inside and outside my network its doing this... Anyone have any ideas how to fix?? Thanks David

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ZEO-based Linda?
by cg＠cdegroot.com 11 May '01

11 May '01

Before I spend a lot of time researching this, I just want to ask the community whether this would be possible: I like Linda tuplespaces a lot, especially when they're distributed and persistent. What I was thinking was that I could use ZEO (with a dbm storage) for this: the "out" operation would just write the tuple to the storage, while "in" and "rd" would try to grab a tuple, but if no matching tuples would be found the thread would be put on hold, and a special dummy Connection would listen to the invalidate messages back from ZEO (idea: subclass Connection, override invalidate()), trying to match the requests again on every promising ZEO update (for some value of promising). What to do with "eval" is something different, but I could envision some load-balancing scheduler here... Would this (ab)use of ZEO work? Any suggestions?

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Re: [Zope] External method default arg weirdness
by Dieter Maurer 11 May '01

11 May '01

Nils Kassube writes: > * Dieter Maurer <dieter(a)handshake.de> [2001-05-09 22:02]: > > > This magic works only, if the method is called with > > precisely one parameter less then the required > > arguments. It breaks very likely, when there are > > default parameters. In this case, you need to pass > > the "self" parameter explicitly and can not count on > > the magic. > > Nice. So http://www.zope.org/Documentation/How-To/ExternalMethods > is wrong in claiming that > > --cut-- > Argument semantics for External Methods are identical to those for > normal Python methods. You can define External Methods with default or > keyword arguments just as you can in Python. > --cut-- It depends, how you read it: Of course, you can define External Methods with default and keyword arguments. It will work fine, when you pass the object argument explicitly. It will also work fine, if called through the Web (as ZPublisher uses different magic). Only the automatic passing of the object argument when called from DTML will not work. Dieter

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RE: [Zope] log files
by Dunigan, Craig 11 May '01

11 May '01

Hi Fritz, > is this the only way to use stupid_log_files? > > " > $ python1.5.2 z2.py ZSYSLOG_SERVER="syslog.mydomain.com:514" \ > STUPID_FILE_LOGGER=var/Zope.log" > " > > i got this from: http://www.zope.org/Documentation/Misc/LOGGING.txt > or can i put this in a config file? i looked inside z2.py and > found no place > to put it. > Well, sort of. First of all, as noted here http://lists.zope.org/pipermail/zope/2000-February/103384.html, STUPID_FILE_LOGGER is incorrect (somebody really ought to fix that). The correct environment variable name is STUPID_LOG_FILE. Secondly, I'm not sure it makes sense to turn on both local and remote logging as (it seems to me) this example does. I'll address the local logging, since that's the only one I'm sure of. Since you don't want to turn it on all the time (eats up resources and slows down your production server), the best way to enable it is to set this environment variable somewhere, like perhaps your ./start script, something like: #! /bin/sh reldir=`dirname $0` PYTHONHOME=`cd $reldir; pwd` export PYTHONHOME STUPID_LOG_FILE=/$PYTHONHOME/var/Zope.log export STUPID_LOG_FILE exec /$PYTHONHOME/bin/python \ $PYTHONHOME/z2.py "$@" then when you want to start debug logging, run zope like this: ./start -D & For more logging options, there's also a -M switch for verbose logging in z2.py, with a nice (wow, brand new as I was writing this!) utility available here http://www.zope.org/Members/mcdonc/HowTos/DEBUG-LOG, for analysis. > what am i supposed to expect here? i tried the command line > approach but i > was looking for the file and i don't think it create the > file. or is it > gonna be create when the first error comes? You got nothing for two reasons. One, you followed instructions and unfortunately set the wrong environment variable. Two, you probably didn't turn on debugging by launching zope with the -D switch. Don't forget to background it with the &, because -D causes zope _not_ to detach from the console when starting. And at the risk of sounding repetitious, running a production site with the -D switch is not recommended procedure. Do it to collect information, then turn it off when you have enough. > > > Fritz Mesedilla > Systems Administrator > > Summit Interactive, Inc. > FHM | Seventeen | Candy | Cosmopolitan | Preview | Good Housekeeping > femalenetwork.com | candymag.com | fhm.com.ph | cosmo.com.ph > -------------------------------------------------------------- > -------------- > http://contemplation401.tripod.com +Basta > Ikaw Lord > > > _______________________________________________ > 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 ) > Craig Dunigan Web Programmer Esker Software - Extending the Reach of Information mailto:craig.dunigan@esker.com Ph. 608.273.6000 Fax 608.273.8227 http://www.esker.com

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RE: [Zope] Namespace problem with folders starting with numbers
by sean.upton＠uniontrib.com 11 May '01

11 May '01

But it seems that workaround is not that difficult, assuming that you use the: _['1']['2']['3'] type of syntax when directly traversing, and just _[id] when traversing in an automated fasion. I am not seeming to have a problem, and I have a new project (online classfied ad system) I am working on where I have a hierarchy of 10,000 - 20,000 manageable objects, 3 levels/folders deep, and all of them have 'numeric' (that is strings like '671012374') ids. Are there any other problems from using numeric ids? Sean -----Original Message----- From: andres(a)corrada.com [mailto:andres@corrada.com] Sent: Friday, May 11, 2001 1:29 PM To: Ausum; zope(a)zope.org Subject: Re: [Zope] Namespace problem with folders starting with numbers That's right. It makes for simpler development if you never have to worry about ids that start with numbers. We encountered this problem in our development of a major e-commerce site and decided to prohibit ids starting with numbers. By the way, we also disallowed spaces in the ids. On Fri, May 11, 2001 at 02:39:27PM -0500, Ausum wrote: > Thank you, Sean. > > Yes, eventually using <dtml-with> enables me to reach the property value, by > placing a method (using your logic), at the same folder where it finds a folder > with numbers as names. That means I'd need at least three methods, but guess > this isn't a clean way of retrieving simple property values. > > How does the community faces this? Do you just don't use numbers as folder > names? > > > > Ausum > ------------------------------------------------------ Andres Corrada-Emmanuel Email: andres(a)corrada.com Internet Programming http://www.mamey.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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CoreSessionTracking timeout question
by Joh Johannsen 11 May '01

11 May '01

I've got an Internal Session Data Container timeout set 30 minutes, but occasionally I will start a new session, and all the session data disappears after a couple minutes. The way I understand it, any time I access session data, that 30 minute timer starts again. Is there something I'm doing wrong here? Thanks, JJ

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RE: [Zope] Namespace problem with folders starting with numbers
by sean.upton＠uniontrib.com 11 May '01

11 May '01

Ok. Sorry to jump to quickly on that one; I am partially wrong. <dmtl-var expr="_['2000'].id"> will work; so will <dtml-in expr="_['2000'].objectValues()"> (returns a sequence). However, in the case of something like this: <dtml-var expr="_['5000']._['5100'].id"> Zope has some security/permissions issue with that (when I try to run a method with code like this as a manager, I get a basic auth box?). I assume that the workaround would have to be using dtml-with one namespace at a time... That is, unless someone has a better way to do this. Sean -----Original Message----- From: Upton, Sean Sent: Friday, May 11, 2001 8:50 AM To: 'Ausum'; zope(a)zope.org Subject: RE: [Zope] Namespace problem with folders starting with numbers use: <dtml-var expr="folder1._['2000']... etc to reference an object with an id; should work, though I think this only works in an expr within dtml-var and not name=... Sean -----Original Message----- From: Ausum [mailto:augusto@artlover.com] Sent: Friday, May 11, 2001 8:19 AM To: zope(a)zope.org Subject: [Zope] Namespace problem with folders starting with numbers I need to retrieve a property nested at a document placed within folders whose names start with numbers. Like this: <dtml-var "folder1.2000.12345.dtmldoc.this_property"> This sintax is invalid because there are object names that are starting with numbers, within the Python expression. Is there a workaround? (I've tried the usual ones, unsuccessfully). Ausum _______________________________________________ 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] Namespace problem with folders starting with numbers
by Dieter Maurer 11 May '01

11 May '01

Ausum writes: > I need to retrieve a property nested at a document placed within folders whose > names start with numbers. Like this: > > <dtml-var "folder1.2000.12345.dtmldoc.this_property"> The general solution: "computed attribute access" "_.getattr(<object>,<expression evaluating to attribute name>)" This general solution will give you a monstrous expression.... Folders expose their content through subscription (and through attributes). This means, you can use: "<folder>[<expression evaluation to the content item name>]" That is quite readable. Finally, you can use "restrictedTraverses". Dieter

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Re: [Zope] French language problems
by Dieter Maurer 11 May '01

11 May '01

Peter Bengtsson writes: > I want to "filter" the user input a bit. > If somebody submits name="éèà", in the end I want: name="eea" > > So I tried this: > > <pseudo atr="filling in the input name='é'"> > print self.REQUEST['name'], 'é' > print self.REQUEST['name'] == 'é' > </pseudo> > > This returns > '\303\251', 'é' > 0 > > Basically, how do I compare self.REQUEST['name'] with 'é' and get true? > (assuming the name variable is set to "é". (you understand what I mean) Your REQUEST variables seem to be "UTF-8" encoded: '\303\251' is the UTF-8 code of 'é'. You have different options: * convince your browser to send "iso-8859-1" encoded data. I think, it uses the encoding that he found in the form constructing page. But others made different experiences. Please look into the (searchable) mailing list archives for the relevant threads. * handle encoding in your own code (DTML or Script). Dieter

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RE: [Zope] Namespace problem with folders starting with numbers
by sean.upton＠uniontrib.com 11 May '01

11 May '01

I would use the syntax that Oliver specified earlier: <dtml-var expr="_['5000']['5100'].id"> I think that will work... Sean -----Original Message----- From: Ausum [mailto:augusto@artlover.com] Sent: Friday, May 11, 2001 12:39 PM To: sean.upton(a)uniontrib.com; zope(a)zope.org Subject: Re: [Zope] Namespace problem with folders starting with numbers Thank you, Sean. Yes, eventually using <dtml-with> enables me to reach the property value, by placing a method (using your logic), at the same folder where it finds a folder with numbers as names. That means I'd need at least three methods, but guess this isn't a clean way of retrieving simple property values. How does the community faces this? Do you just don't use numbers as folder names? Ausum sean.upton(a)uniontrib.com wrote: > > Ok. Sorry to jump to quickly on that one; I am partially wrong. > > <dmtl-var expr="_['2000'].id"> will work; so will <dtml-in > expr="_['2000'].objectValues()"> (returns a sequence). > > However, in the case of something like this: > <dtml-var expr="_['5000']._['5100'].id"> > > Zope has some security/permissions issue with that (when I try to run a > method with code like this as a manager, I get a basic auth box?). I assume > that the workaround would have to be using dtml-with one namespace at a > time... > > That is, unless someone has a better way to do this. > > Sean > > -----Original Message----- > From: Upton, Sean > Sent: Friday, May 11, 2001 8:50 AM > To: 'Ausum'; zope(a)zope.org > Subject: RE: [Zope] Namespace problem with folders starting with numbers > > use: > > <dtml-var expr="folder1._['2000']... > > etc to reference an object with an id; should work, though I think this only > works in an expr within dtml-var and not name=... > > Sean > > -----Original Message----- > From: Ausum [mailto:augusto@artlover.com] > Sent: Friday, May 11, 2001 8:19 AM > To: zope(a)zope.org > Subject: [Zope] Namespace problem with folders starting with numbers > > I need to retrieve a property nested at a document placed within folders > whose > names start with numbers. Like this: > > <dtml-var "folder1.2000.12345.dtmldoc.this_property"> > > This sintax is invalid because there are object names that are starting with > numbers, within the Python expression. > > Is there a workaround? (I've tried the usual ones, unsuccessfully). > > Ausum > > _______________________________________________ > 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 ) > > _______________________________________________ > 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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