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submitting queies
by Stephan Richter 24 Jan '00

24 Jan '00

I have the following problem: <form action="."> <input name="add:method" type="submit" value="Add"> <input name="index_html:method" type="submit" value="Cancel"> </form> The above Form works just fine (this is how Zope handles their object tree as well). But, <form action="."> <input name="add:method" type="image" src="Images/add" > <input name="index_html:method" type="submit" value="Cancel"> </form> does not work. Therefore the :method attribute works only for submit types. Is this assumption correct? Anyone knows a fix and/or hack? I am aware that there are other solutions to the problem, but I want to do it this way if at all possible. Regards, Stephan -- Stephan Richter iXL - Software Designer and Engineer CBU - Physics, Computer Science and Chemistry Student

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get_transaction().commit() having no effect?
by Benno Rice 24 Jan '00

24 Jan '00

Hi, I've got a situation where if I make a change and then call get_transaction().commit() in the monitor, it works. No problems. However, if I call it from my python code, nothing happens. Well, it commits until I shut the Zope instance down and restart it. Once I restart it, all the changes I made to those objects have vanished. This is really confusing me. Any ideas? -- Benno Rice "No, no. We're *sweet* and XNFP Aries Dark Subculture- *innocent* evil bastards." friendly Internet Geek benno(a)netizen.com.au "Defend your joy"

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Re. PTK thoughts
by Jerry.Spicklemire＠IFLYATA.COM 23 Jan '00

23 Jan '00

Just to second Andrew's suggestions regarding the need for workflow features to be applied to the Web Content Management process, perhaps as part of the Portal Tool Kit. >Andrew M. Kuchling wrote > > For example, our workflow would look like this: > > * Member creates a Run object > * An MX staff member looks at the Run, makes some comments, and > bounces it back to the member, who revises it. > * MX staffer looks at the run again, and approves the revised > version. > * 3 other Members with a certain role look at the run and > approve it. Various other people get notified about this. The mind boggles at the covolutions that perfectly computer literate folks, programmers, admins, dbas, etc., come up with. A casual observer might conclude that the intention were to add as many steps and people into this process as possible. It's as if they've forgotten we have computers and messaging systems involved that might be able to help us build this Web thingy! I don't pretend to understand the UML Zen needed to map out the ideal solution, but as for nailing the problem, Andrew has done that. Thanks for keeping on, Jerry S.

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Programatically determining access controls?
by Benno Rice 23 Jan '00

23 Jan '00

Hi, I've got a set up where I'd like to have Zope call an object method when someone tries to access the object to determine if they're allowed to do whatever it is they're trying to do. Is this possible? Or do I need to stick with __ac_permissions__ and friends? If so, what's the way of specifying which permissions a role has within the class definition? Thanks. -- Benno Rice "No, no. We're *sweet* and XNFP Aries Dark Subculture- *innocent* evil bastards." friendly Internet Geek benno(a)netizen.com.au "Defend your joy"

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Re: [Zope-dev] Zope Futures discussion: your input
by Anthony Baxter 22 Jan '00

22 Jan '00

>>> Chris McDonough wrote ^^^^^^^^^^^^^^^^ > > Talking about external methods I have a little problem with them: every > > time a method outputs to stdout zope bombs and you have to restart it. > > So we have to put try/except clauses around anything when an exception > > logged somewere would be much better in debugging the method. It is a > > problem of my installation, a known one or a feature? > > I don't think it's a known issue (at least by me)... can you reliably > reproduce it? Make sure you redirect stdout and stderr if you're running from, e.g. /etc/rc.d python z2.py > var/zope.stdout 2> var/zope.stderr Otherwise, on some systems, you will get a bomb either a) as soon as you write to stdout b) as soon as you fill whatever your stdio buffer size is, and it tries to flush. Anthony

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Distribution panel
by Tres Seaver 21 Jan '00

21 Jan '00

I noted your lament that no one seemed to know of the Distribution Panel in the standard Product. I had looked at it, but couldn't remember why I hadn't liked it -- I think it is that it is a "binary" distribution, while I expect most of my Products may need tailoring after installation. ExternalMethods, for instance, are shipped along only in pickled format -- their Python modules aren't in the lib/python/Products/FooProduct/Extensions directory. Perhaps it could be extended to allow inclusion of selected files from the Product tree? Best, Tres. -- ========================================================= Tres Seaver tseaver(a)palladion.com 713-523-6582 Palladion Software http://www.palladion.com

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Re: Zope Futures discussion: ZCatalog Query Facility?
by Butch Landingin 21 Jan '00

21 Jan '00

brian lloyd <brian(a)digicool.com> wrote: original article:http://www.egroups.com/group/zope/?start=21460 > Hi all, > > I will be giving a talk at the Zope Track at IPC8 on the > future directions of Zope. The format will be about half > me babbling about our broad future plans and half Q & A. <snip> Since you asked ;^), Now that a lot of people are starting to use ZCatalog for retrieving data inside the ZODB, does DC have plans for enhancing ZCatalog with a full-functioned Query engine? Something like "OQL" or SQL3 (i.e. a "standard" query language with support for OODBMS) querying facility? IMHO, this will make the Zope/ZODB a real contender as full-featured OODBMS (along with support for transactions & CORBA support (IIRC, someone has started working with an ILU/Fnorb interface to Zope?)) If only from the *marketing* viewpoint, having a free, robust, and OpenSource OODBMS with support for transactions, CORBA, and OQL/SQL3 querying facility is a *kick-ass* application that even *commercial* (i.e. proprietary) OODBMS would find hard to match! Ideally this Querying facility could do something like : Query --> [QueryParser] --> [QueryOptimizer] ---> [QueryRuntimeEngine] --> ResultSet where the QueryParser translates a SQL3 or OQL query into a set of ZCatalog query atoms (i.e it translates the query into a series of ZCatalog method calls), then the QueryOptimizer (using some set of optimizing transformations & maybe even use data metrics) optimizes the query. Then something like a QueryManager can either store this "optimized" query or call on the QueryRuntimeEngine to execute it and return a Result set. By storing the "optimized" query (something like DB2's statically-bound queries) and just executing them at runtime, we don't incur the overhead of running the parser and optimizer each time we execute the query -- although we could also forgo the storage and just invoke the querying facility "dynamically" where all the processes (parsing, optimization, and execution) are done in sequence(with the intermediate products discarded) -- this is useful for "adhoc" type of queries... I know this will require a *BIG* effort... and the DC folks might not just consider it a priority right now... but could DC or at least the Zope Community consider it and give it a thought now and then? Regards, Butch P.S. I hope all the Zope presentors at IPC8 post an article or even a short update on papers/talks presented at the ZopeTrack so that those of us who can't make it would at least get a feel for whats going on there... __________________________________________________ Do You Yahoo!? Talk to your friends online with Yahoo! Messenger. http://im.yahoo.com

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CopySupport.py patch
by zope-dev＠pi.slcc.edu 21 Jan '00

21 Jan '00

I am creating a product and have a special situation where a certain object must not be pasted in certain places on the Zope hierarchy. The CopySource class in OFS/CopySupport.py provides a _notifyOfCopyTo mechanism but the mechanism isn't fully supported in the CopyContainer class. Please use the following patch which corrects the problem. I have simply copied the _notifyOfCopyTo call from another part of the file. This is derived from the Zope 2.1.1 sources, but hopefully the development version hasn't changed a lot. Shane Hathaway diff -Naur CopySupport.py.orig CopySupport.py --- CopySupport.py.orig Fri Jan 21 13:01:00 2000 +++ CopySupport.py Fri Jan 21 13:04:25 2000 @@ -203,7 +203,14 @@ # Copy operation for ob in oblist: if not ob.cb_isCopyable(): - raise CopyError, eNotSupported % absattr(ob.id) + raise CopyError, eNotSupported % absattr(ob.id) + try: + ob._notifyOfCopyTo(self, 0) + except: + raise CopyError, MessageDialog( + title='Paste Error', + message=sys.exc_value, + action ='manage_main') ob=ob._getCopy(self) ob.manage_afterClone(ob) id=self._get_id(absattr(ob.id))

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RE: Problem of compile ZMySQLDA.!
by Joachim Schmitz 21 Jan '00

21 Jan '00

Hi I just had the same problem, aparently the mysql.h was changed between MySQL V 3.22-22 and 3.22-30. If you remove the "&" in the lines 384,1125 and 1147 it compiles fine on RedHat 6.1. Victor.Zhai wrote: >When I compile the ZMySqlDa in Proucts/Mysql/src/. >....... >gcc -fPIC -I/home/zgx/mysql/include/mysql -I/usr/local/mysql/include >-I/usr/include/mysql -g -O2 -I/usr/include/python1.5 >-I/usr/include/python1.5 >-DHAVE_CONFIG_H -c ./MySQLmodule.c >./MySQLmodule.c: In function `pythonify_row': >./MySQLmodule.c:238: warning: assignment from incompatible pointer type >./MySQLmodule.c: In function `pythonify_res_fields': >./MySQLmodule.c:384: invalid lvalue in unary `&' >./MySQLmodule.c: In function `STH_fetchdict': >./MySQLmodule.c:1125: invalid lvalue in unary `&' >./MySQLmodule.c:1147: invalid lvalue in unary `&' >make: *** [MySQLmodule.o] Error 1 > > >What is the problem? >Thanks a lot! Mit freundlichen Grüßen Joachim Schmitz WWW-Consultant email: js(a)ac-copy.net tel: +49-241-89491-0 fax: +49-241-89491-29

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RE: [Zope-dev] LICENSE.txt: license has been certified as Open So urce(tm)?
by Michel Pelletier 21 Jan '00

21 Jan '00

> -----Original Message----- > From: Holger Blasum [mailto:holger@avendo.de] > Sent: Friday, January 21, 2000 5:58 AM > To: zope-dev(a)zope.org > Subject: [Zope-dev] LICENSE.txt: license has been certified as Open > Source(tm)? > > > Hi, > > zope is exciting. Closely before becoming too enamoured, let me ask > a newbie question (possibly FAQ) for clarification on this (obvious) > snippet... > > LICENSE.txt > > >Zope Public License (ZPL) Version 1.0 > >------------------------------------- > > > >Copyright (c) Digital Creations. All rights reserved. > > > >This license has been certified as Open Source(tm). > > (tm) - Uhh, well Open Source is not a trademark: You're right. > "``Open Source'' is not and cannot become a trademark." > Eric S. Raymond, President, President Board of Directors, OSI > (OSI had previously applied for it) 16 June 1999 > (http://www.opensource.org/press_releases/certified-open-source.html) > > But maybe this when LICENSE.txt was written in the dark ages where OSI > still applied for that trademark, so perhaps it was intended to mean > "certified by OSI" ? The license was written in Jan/Feb of 1999, a few months before it was determined that it was not a tm. > Or whom or what has been the certifier mentioned in the > license (I feel > not sure whether par. 5 would pass very strict criteria, but on the > other hand par. 7 alleviates it) ? Bruce Perens (the other half of OSI) was our 'certifier'. Our license should be corrected. -Michel

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