RE: [Zope-dev] SQLAlias Memory Leak?

2000-12-08 Thread Brian Lloyd

 OK, I've put this into the Collector.  I'm intrigued as to what
 the operating procedure is with the Collector though - there appear
 to be a large number of Pending jobs.  Does that mean that Digital
 Creations haven't even looked at them, or that they just haven't
 done anything about them?

The current Collector is very poor about providing visibility 
of what gets done. Quite a few bugs get closed out - check out 
the CHANGES.txt for each release. Each entry under "bugs fixed" 
generally represents a closed Collector item.

I agree that it seems like there are a lot of things in the 
Collector, but realize that they are not all open and shut 
things. A fair number are feature requests rather than bugs, 
and some of the bug reports are in states that are not very 
visible from the public view (pending more info from the 
submitter, etc.) We hope to move to using Tracker in the 
future to make such things more visible.

That said, there is a finite amount of resources that can go 
into Collector management at any one time (though with recent 
growth that should improve over what it is now). I actively 
triage the Collector before each release looking for reports 
that are high-impact (like memory leaks) to make sure they 
get fixed. I do plan to get to this for 2.3. We can't, however, 
always get to each issue the day it is submitted :)


 http://classic.zope.org:8080/Collector/1772/view
 
 This is causing big problems with our site, and we need to resolve
 it pretty desperately.  I guess the another solution would be to ensure
 that all calls to SQL columns are the same case as in the database,
 but with around 500 ZSQLMethods - that is a daunting task.

I have a test suite written that verfies this - it actually 
appears to be some interaction with the Record extension 
class (as SQLAliases don't leak if you access them from a 
plain ExtensionClass.Base-derived class). Hopefully I'll 
have a patch or workaround for you today.



Brian Lloyd[EMAIL PROTECTED]
Software Engineer  540.371.6909  
Digital Creations  http://www.digicool.com 



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Re: [Zope-dev] Significance of the ZODB split?

2000-12-08 Thread John D. Heintz

The Sourceforge exposure gives people like me with an itch to scratch a 
place to work on a publicly visible branch of ZODB for my two proposals 
without breaking anything or relying on patch files continually.

John Heintz

PS My proposals are ExplicitTransactions and PersistentBlob ;-)

Michel Pelletier wrote:

 On Fri, 8 Dec 2000, Robin Becker wrote:
 
 
 Anyone know why AM Kuchling needs to split off a Sourceforge project
 based on ZODB?
 
 
 I don't think it's a "split", but AMK is using ZODB internally at his
 job, and externally with his own projects, so I can see him wanting to
 have some control over the distribution that he uses.  
 
 Other than that, there could be other reasons, we, for example, do not
 provide a mechanism for community checkin privledges, Sourceforge
 does.  I don't think we have a ZODB specific mailing list, sourceforge
 offers this.
 
 That being said, I'm pretty sure we've allways kept up with Andrew's
 patches and suggestions, and we'd be happy to create a mailing list.
 
 Andrew has also extended any developer at DC checkin privledges at the
 sourceforge project; although I suspect we'll just continue to check
 into our CVS and he'll "sync" with us that which he wants.  I am, in
 particular, barely not lazy enough to check stuff into branches, much
 less whole other repositories. ;)
 
 
 I really liked the ZEO examples, but where's this going?
 
 
 It's just open source.  More power to him in my opinion.  He's
 definatly taking Zope and ZEO to new levels and audiences.
 
 -Michel
 
 
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. . . . . . . . . . . . . . . . . . . . . . . .

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T 512.633.1198 | [EMAIL PROTECTED]

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[Zope-dev] problems with webdav MOVE and COPY

2000-12-08 Thread Joseph Wayne Norton


Hello.

I tried to use some of the webdav functions in zope but ran into some trouble
with the MOVE and COPY operations.  One issue seems to be that the
method "getSecurityManager" is not imported into the file
zope-2.2/lib/python/webdav/Resource.py.

 def dav__validate(self, object, methodname, REQUEST):
msg='strongYou are not authorized to access this resource./strong'
method=None
if hasattr(object, methodname):
method=getattr(object, methodname)
else:
try:method=object.aq_acquire(methodname)
except: method=None

if method is not None:
-- try: return getSecurityManager().validateValue(method)
except: pass

raise 'Unauthorized', msg

Secondly, the method try: parent._verifyObjectPaste(self) is failing even though the 
user is
authenticated as a manager. For example,

try: parent._checkId(name, allow_dup=1)
except: raise 'Forbidden', sys.exc_info()[1]
-- try: parent._verifyObjectPaste(self)
except: raise 'Forbidden', sys.exc_info()[1]

Lastly, where are properties that can be set and put using webdav.
Are these object attributes?  I was expecting to see this properties
show up in the "Properties" tab for a folder, for a dtml document
etc. but they did not show up.

Any pointers?

thanks,

- joe n.

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Re: [Zope-dev] Turning acquisition off selectively.

2000-12-08 Thread Jim Fulton

Chris Withers wrote:
 
 [EMAIL PROTECTED] wrote:
 
  That is, with a simple method, and not disabling the Acqusition class,
  something like self.aq_disabled('attribute') .
 
 So kindof the inverse of using Aquisition.Explicit and using the
 aq_acquire method?
 
 What you describe would be really cool...
 
 The only workaround for now is to use calls to ac_acquire() and provide
 a filter function, but this doesn't help when other code that you have
 no control over accesses an attribute that you'd rather not have
 acquired :-(

I'm inclined to think that in some future version of Zope, we
should switch to making explicit acquisition the norm.

Jim

--
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Technical Director   (888) 344-4332http://www.python.org  
Digital Creationshttp://www.digicool.com   http://www.zope.org

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Re: [Zope-dev] Turning acquisition off selectively.

2000-12-08 Thread matt

Surely you jest ?  I may be out of line, I am quite new to Zope and have
only made a few python products, but the nice thing I felt Acquisition.Implicit
gave was a sense of being able to put a method into an environment and let it
"discover" what was around it.  Aquisition.Explicit I thought was where you
knew specific things about your environment and wanted them from there instead
of what you had brought along yourself.

Matt

On Sat, 09 Dec 2000, Jim Fulton wrote:
 Chris Withers wrote:
  
  [EMAIL PROTECTED] wrote:
  
   That is, with a simple method, and not disabling the Acqusition class,
   something like self.aq_disabled('attribute') .
  
  So kindof the inverse of using Aquisition.Explicit and using the
  aq_acquire method?
  
  What you describe would be really cool...
  
  The only workaround for now is to use calls to ac_acquire() and provide
  a filter function, but this doesn't help when other code that you have
  no control over accesses an attribute that you'd rather not have
  acquired :-(
 
 I'm inclined to think that in some future version of Zope, we
 should switch to making explicit acquisition the norm.
 
 Jim
 
 --
 Jim Fulton   mailto:[EMAIL PROTECTED]   Python Powered!
 Technical Director   (888) 344-4332http://www.python.org  
 Digital Creationshttp://www.digicool.com   http://www.zope.org
 
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[Zope-dev] using SybaseDA to connect to MS SQL

2000-12-08 Thread Neil K

Thanks to everyone for their assistance yesterday. I feel like I'm really
close to making this work now, but I can't get the Product to connect. I
always get "Invalid connection string".

One thing that puzzles me is the distinction between 'Server' and
'Datasource'.
If Datasources are what we're defining in the interfaces file, that looks a
whole lot like Server. I've seen PHP help pages dealing with these Sybase
libs and MSSQL; somehow they only need to specify user, password, and
database.

TIA for any assistance you can offer.



What I've done:

I have successfully compiled the SybaseDA product, with Sybase libs, etc,
set SYBASE and LD_LIBRARY_PATH environment variables in Zope startup.

As far as I know, I have created a valid 'interfaces' file. It looks like
this:

spindler
master tcp eth0 xxx.xxx.xxx.xxx 1433
query tcp eth0 xxx.xxx.xxx.xxx 1433

where spindler is the hostname of my computer, xxx.xxx.xxx.xxx is the
dotted-quad of my sql server. On the windows side, the SQL Server has
Network Utility on, port 1433.
(it refers to itself as SPINDLER, does case matter?)

I created a test database with user/passwd and so on.



The output I get upon connection:
--
Invalid connection string: database: quux, password: x, server:
spindler, transactional: Y, user: neilk


Traceback (innermost last):
  File /home/neilk/Zope/Zope-2.2.4-src/lib/python/ZPublisher/Publish.py,
line 222, in publish_module
  File /home/neilk/Zope/Zope-2.2.4-src/lib/python/ZPublisher/Publish.py,
line 187, in publish
  File /home/neilk/Zope/Zope-2.2.4-src/lib/python/Zope/__init__.py, line
221, in zpublisher_exception_hook
  File /home/neilk/Zope/Zope-2.2.4-src/lib/python/ZPublisher/Publish.py,
line 171, in publish
  File /home/neilk/Zope/Zope-2.2.4-src/lib/python/ZPublisher/mapply.py, line
160, in mapply
(Object: manage_adddcSybaseConnection)
  File /home/neilk/Zope/Zope-2.2.4-src/lib/python/ZPublisher/Publish.py,
line 112, in call_object
(Object: manage_adddcSybaseConnection)
  File /home/neilk/Zope/Zope-2.2.4-src/lib/python/Products/SybaseDAv2/DA.py,
line 100, in manage_adddcSybaseConnection
  File
/home/neilk/Zope/Zope-2.2.4-src/lib/python/Shared/DC/ZRDB/Connection.py,
line 132, in __init__
(Object: RoleManager)
  File
/home/neilk/Zope/Zope-2.2.4-src/lib/python/Shared/DC/ZRDB/Connection.py,
line 161, in edit
(Object: RoleManager)
  File
/home/neilk/Zope/Zope-2.2.4-src/lib/python/Shared/DC/ZRDB/Connection.py,
line 240, in connect
(Object: RoleManager)
  File /home/neilk/Zope/Zope-2.2.4-src/lib/python/Products/SybaseDAv2/db.py,
line 147, in __init__
  File /home/neilk/Zope/Zope-2.2.4-src/lib/python/Products/SybaseDAv2/db.py,
line 306, in _error
BadRequest: (see above)

--
Neil Kandalgaonkar, ActiveState



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[Zope-dev] zope ftp site

2000-12-08 Thread Josh Zeidner

hi,

  This may be a redundant question, but how can I download zope products via 
FTP?

-josh

_
Get more from the Web.  FREE MSN Explorer download : http://explorer.msn.com


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Re: [Zope-dev] Significance of the ZODB split?

2000-12-08 Thread Robin Becker

In article [EMAIL PROTECTED], Jeremy
Hylton [EMAIL PROTECTED] writes
 "RB" == Robin Becker [EMAIL PROTECTED] writes:

  RB Anyone know why AM Kuchling needs to split off a Sourceforge
  RB project based on ZODB? I really liked the ZEO examples, but
  RB where's this going?

It is the most expedient way to start opening ZODB development,
including ZEO, up to a larger audience of developers.  Andrew's
project will focus primarily on packaging, testing, and
documentation.  In the short term, the easiest way to accommodate his
needs are to have his own SF project.

The plan is to have the two different CVS repositories integrated at
the level of working directories.  Developers will probably end up
with checkouts of both CVS trees, knit together so that Andrew's setup
scripts and the like encapsulates the source code from the DC tree.
(This setup makes the initial checkout a little complicated, but cvs
update should work normally.)

Andrew, Jim, and I and the rest of the PythonLabs team chatted about
these plans over Chinese food on Wednesday.  PythonLabs plans to get
much more involved in ZODB development.  One goal of that involvement
is to promote ZODB's use within the Python community, and Andrew's
work is an important part of that promotion.

Jeremy
...
Thanks! 
-- 
Robin Becker

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Re: [Zope] Using aquisition inside a dtml method of a product ?

2000-12-08 Thread Andreas Jung

On Thu, Dec 07, 2000 at 10:07:25PM -0500, Tres Seaver wrote:
 
 Could it be that you don't derive your product class (directly or
 indirectly) from Acquisition.Implicit?  Otherwise, I'm stumped.
 I use just the code you describe inside the PTK, for instance.

Yes, that was the problem. I took the ExternalMethod product
as example - this one uses explicit aquisition.

Andreas

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[Zope] ZPatterns terminology

2000-12-08 Thread Dario Lopez-Kästen

 From: "Cees de Groot" [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Sent: Friday, December 08, 2000 8:16 AM


 Chris Withers [EMAIL PROTECTED] said:
 ...I disagree, ZPatterns only major flaw is that its totally immersed in
 its own jargon which very few people understand :-(
 
 That said, my impression is that if you can wade through the b/s, it's
 more than worth the effort...
 
 Hmm, maybe it's the time for a translate-zPatterns-to-english effort?

Yes, I totally agree. It seems that Zpatterns is the thing I need to make
tru my vison of self-contained plugin-components for the site(s) I am
developing. However I since I am still strugglig with the concept of
aquisition, the Zpattersn terminology makes my head spin. :-)

/dario
still digging...

- 
Dario Lopez-Kästen Systems Developer  Chalmers Univ. of Technology
[EMAIL PROTECTED]  ICQ will yield no hitsIT Systems  Services


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Re: [Zope] New version of book uploaded

2000-12-08 Thread Holger Hoffmann

Hi,

Michel Pelletier wrote:
 
 Greetings,
 
 Read this carefully, you may end up with a free, signed copy of the Zope
 book.


Chapter 9: Searching and Categorizing Content
   Searching Catalogs
  Searching from Python

 Here is a Python Method called relevantSectionNews that accepts
   ^
 no parameters. This method queries the news Catalog with the
current
 folder's id:

... Holger

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Re: [Zope] New version of book uploaded

2000-12-08 Thread [EMAIL PROTECTED]

On Friday 08 December 2000 09:07, Michel Pelletier wrote:
 Greetings,

 Read this carefully, you may end up with a free, signed copy of the Zope
 book.

hee's a shot, don't know whether it's been pointed out or not
---8--

 Python MethodsYou can use Python, a scripting language, to script Zope 
objects and perform other tasks. Python methods give you general purpose 
programming facilities within Zope. Perl MethodsYou can use Perl, a powerful 
text processing language, to script Zope objects and access Perl libraries. 
Perl Methods offer similar benefits as Python Methods, but may be more 
appealing for folks who know Perl but not Python, or who want to use Perl 
libraries for which there are no Python equivalent
8-

-- 

http://www.kedai.com.my/kk 
http://www.kedai.com.my/eZine 

Just bring it!


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Re: [Zope] New version of book uploaded

2000-12-08 Thread [EMAIL PROTECTED]

On Friday 08 December 2000 09:07, Michel Pelletier wrote:
 Greetings,

 Read this carefully, you may end up with a free, signed copy of the Zope
 book.


as ypu said, this whole chapter still uses python methods.  not sure whther 
it's been pointed out or not.  sent earlier without the URL.  here it is 
again.  do i qualify?:")
http://www.zope.org/Members/michel/ZB/ScriptingZope.html
---8---
 Python MethodsYou can use Python, a scripting language, to script Zope 
objects and perform other tasks. Python methods give you general purpose 
programming facilities within Zope. Perl MethodsYou can use Perl, a powerful 
text processing language, to script Zope objects and access Perl libraries. 
Perl Methods offer similar benefits as Python Methods, but may b
---8-

and ..
8
 Zope methods are called from the web or from other methods. Almost any type 
of method can call any other type of method. You can call a Python Method 
from a DTML Method, or a built-in method from a Perl Method
--8-

there's more.. should i oint all occurrences of python method?


http://www.kedai.com.my/kk 
http://www.kedai.com.my/eZine 

use Zope?  then you got HOPE!


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Re: [Zope] New version of book uploaded

2000-12-08 Thread Michel Pelletier



On Fri, 8 Dec 2000, Bak@kedai wrote:

 On Friday 08 December 2000 09:07, Michel Pelletier wrote:
  Greetings,
 
  Read this carefully, you may end up with a free, signed copy of the Zope
  book.
 
 
 as ypu said, this whole chapter still uses python methods.  

Actually, the copy of the chapter in your browser cache still uses
Python Methods.  The copy on the website does not.  All of these you've
pointed out are old news...

Sorry!

-Michel



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[Zope] Strange Catalog problem.

2000-12-08 Thread Didier Georgieff

Hello,

I'm using a modified (french, adding programatically and new classes but 
the ground features are untouched) Yihaw on 2.2.4 (linux).

I've got a strange behaviours (YihawNews boxes don't show the new items) 
until i found that "old" (before upgrading to 2.2.2 + 2.2.4 update) items on 
the catalog don't start with "/" and the new ones does start with "/".

Reindexing gives me the same 2 categories and change nothing.

I'm puzzled with :
* what is the "correct behaviour / or no / ?
* why reindexing doesn't homogenize the / ?

The "new" items are now added programatically and the "old" ones where 
done thru Zope interface.

And sometimes i still get a "problem uncataloging before catalogging" 
message on the Zope console.

Am i missing some important change ?
Thanks in advance.


--
Didier Georgieff
DDAF du Bas-Rhin - Cellule SIG 
2, rue des Mineurs 67070 Strasbourg Cedex
tél : 03.88.25.20.33 - fax : 03.88.25.20.01
email : [EMAIL PROTECTED]
SIT du Bas-Rhin : http://www.bas-rhin.sit.gouv.fr
GéoWeb http://sertit10.u-strasbg.fr

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[Zope] dtml-var date fmt=Date does not work!

2000-12-08 Thread Thomas Volkmar Worm

Hi, 

trying the example  

dtml-var date fmt=Date 

from the DTML-Documentation, page 3, leads to the following result  
when viewing the page. Why? I am using Zope 2.2.4. I get the same 
 results on W98/WNT and Linux. Without this tag, the page works. 

Regards 
Thomas 

{PRIVATE}{PRIVATE "TYPE=PICT;ALT=Zope"} Zope 
Error 
Zope has encountered an error while publishing this resource.  
Error Type: KeyError
 Error Value: date 

Troubleshooting Suggestions 
Thisresource may be trying to reference a nonexistent  object 
or variable date. 
 
The URL may be incorrect. 
 
The parameters passed to this resource may be incorrect. 
 
A   resource that this resource relies on may be encountering  an 
error. 
 
For more detailed information about the error, please refer to  
the HTML source for this page.  
If the error persists please contact the site maintainer. Thank  
you for your patience.  

 {HYPERLINK "http://www.zope.org/Credits"}{PRIVATE 
"TYPE=PICT;ALT=Powered by Zope"}{HYPERLINK 
"http://www.zope.org/Credits"} 
Traceback (innermost last): 
  File  
D:\Programme\Zope\lib\python\ZPublisher\Publish.py
 , line 222, in publish_module 
  File  
D:\Programme\Zope\lib\python\ZPublisher\Publish.py
 , line 187, in publish 
  File  
D:\Programme\Zope\lib\python\Zope\__init__.py,  
line 221, in zpublisher_exception_hook 
(Object: ApplicationDefaultPermissions) 
  File  
D:\Programme\Zope\lib\python\ZPublisher\Publish.py
 , line 171, in publish 
  File  
D:\Programme\Zope\lib\python\ZPublisher\mapply.py,
  line 160, in mapply 
(Object: test) 
  File  
D:\Programme\Zope\lib\python\ZPublisher\Publish.py
 , line 112, in call_object 
(Object: test) 
  File  
D:\Programme\Zope\lib\python\OFS\DTMLDocument.py, 
 line 177, in __call__ 
(Object: test) 
  File  
D:\Programme\Zope\lib\python\DocumentTemplate\DT_S
 tring.py, line 528, in __call__ 
(Object: test) 
  File  
D:\Programme\Zope\lib\python\DocumentTemplate\DT_V
 ar.py, line 276, in render 
(Object: date) 
KeyError: (see above) 


Thomas Volkmar Worm
Diagonalstr. 25
D-20537 Hamburg
Tel.: +49 40 2198 2741
Fax.: +49 40 2198 2742

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Re: [Zope] New version of book uploaded

2000-12-08 Thread [EMAIL PROTECTED]

On Friday 08 December 2000 17:35, you wrote:
 On Fri, 8 Dec 2000, Bak@kedai wrote:
  On Friday 08 December 2000 09:07, Michel Pelletier wrote:
   Greetings,
  
   Read this carefully, you may end up with a free, signed copy of the
   Zope book.
 
  as ypu said, this whole chapter still uses python methods.

 Actually, the copy of the chapter in your browser cache still uses
 Python Methods.  The copy on the website does not.  All of these you've
 pointed out are old news...

 Sorry!

bugger!  kill the cache :)

 -Michel



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Re: [Zope] ZNavigator

2000-12-08 Thread Olaf Zanger



Jonas Juselius schrieb:
 
 Yes I have an idea... ;-)
 
 Due to some changes in Zope2, the ZNavigator broke... Try to get the latest
 version (2.02) from www.zope.org/Members/jonas/ZNavigator/ and install the
 examples from that distro instead.

thanks for the tip, but didn't help, sorry

navbar_dtml shows first icon right, second and third as "_"
on click to second i come to Foo, click to first and third "date-string
error"

i copy 
/simple_demo/foo/index_html
to
/simple_demo/bar/index_html
and it works

unfortunately i can not find any differences between 
/bar/index_html
and
/foo/index_html

what's up?

olaf

 
 -jonas-
 
 On Fri, Dec 08, 2000 at 07:59:57AM +0100, Olaf Zanger wrote:
  hi there,
 
  i installed ZNavigator2.00.tgz on zope 2.2.2
  if i try to use the examples i can install them
  i can edit the pages, but if i want to view them
  a error page "invalid date-time string"
 
  appears
 
  any idea?
 
  olaf
 
  --
  soli-con Engineering Zanger
  Dipl.-Ing. (FH) Olaf Zanger Nusch
  Lorrainestrasse 23
  3013 Bern / Switzerland
  Fon: +41-31-332 9782
  Mob: +41-76-572 9782
  mailto:[EMAIL PROTECTED]
  mailto:[EMAIL PROTECTED]
  http://www.soli-con.com
 Content-Description: Visitenkarte für Olaf Zanger
 
 --
 And what is good, Phaedrus,
 And what is not---
 Need we ask anyone to tell us these things?
 
 [ PGP public key: http://www.iki.fi/jonas/pubkey.asc ]

-- 
soli-con Engineering Zanger
Dipl.-Ing. (FH) Olaf Zanger Nusch
Lorrainestrasse 23
3013 Bern / Switzerland
Fon: +41-31-332 9782
Mob: +41-76-572 9782
mailto:[EMAIL PROTECTED]
mailto:[EMAIL PROTECTED]
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Re: [Zope] ZPatterns

2000-12-08 Thread Chris Withers

"Magnus Heino (Rivermen)" wrote:
 
 Are there any more docs or any examples available now than a couple of
 months ago?

Maybe

 I simple products that does things the ZPatterns way, and explains why and
 how would be just great.

The problem, and this I totally agree with PJE, Ty Sarna and the other
people who're using ZPatterns and fully understand it, is that they are
using it to do their jobs and so really haven't got the time to come up
with nice examples and finished docs. 

To be honest, I'm just glad they chose to open source it all :-)

cheers,

Chris

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Re: [Zope] New version of book uploaded

2000-12-08 Thread [EMAIL PROTECTED]

On Friday 08 December 2000 17:35, Michel Pelletier wrote:
 On Fri, 8 Dec 2000, Bak@kedai wrote:
  On Friday 08 December 2000 09:07, Michel Pelletier wrote:
   Greetings,
  
   Read this carefully, you may end up with a free, signed copy of the
   Zope book.
 
  as ypu said, this whole chapter still uses python methods.

 Actually, the copy of the chapter in your browser cache still uses
 Python Methods.  The copy on the website does not.  All of these you've
 pointed out are old news...

 Sorry!

if konquorer refreshes right, have a look see 
http://www.zope.org/Members/michel/ZB/ScriptingZope.html

the graphics used for example.  (pleeze make this one count!)
--8---
Python Method (Internal) at/hello
--8---

does it count? :)

-- 

http://www.kedai.com.my/kk 
http://www.kedai.com.my/eZine 

as you woke this morning, and open up your eyes, did you notice the tear 
stains lining your face were mine..


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[Zope] Zope newsgroups

2000-12-08 Thread Thomas Volkmar Worm

Hi,

are there newsgroups about zope?

Regards
Thomas


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[Zope] StructuredText with Metapublisher content

2000-12-08 Thread olpa


Hi,

when I render a DTML-Method abc containing structured text content with
dtml-var abc fmt=structured-text, the output is correctly rendered.

when I render the content of a MetaPublisher entry with
dtml-var "mp_entries..." fmt=structured-text, then the output is not
correctly rendered. Only constructs like **bold** are recognized. No
tables or lists or paragraphs.

Did anyone experience this with a solution ?

Regards,
 oliver

---
..you could spend *all day* customizing the title bar.  Believe me.  I
speak from experience."
(By Matt Welsh)
---
 Oliver Pabst .-.
 mailto:[EMAIL PROTECTED]: :
 phone :+49 681 56600600  :project department   :  SYBCOM GmbH
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Re: [Zope] Cut/copy/paste problems

2000-12-08 Thread Oleg Broytmann

Hi!

 i knew that!  :)  btw, there's currently sparse document on mod_pcgi2.  i'd
 like to change that, but i need info from you (the author ..straight from the
 horses mouth - so to speak) or snippets from your httpd.conf.  do i need to
 have Zope.cgi available?  i think i do since otherwise, there'll be no
 connection.  or am i missing something?

   You missed pcgi-wrapper :) If you look into Zope.cgi (it is just plain
text file) you'd found it is a script interpreted by pcgi-wrapper. That
very pcgi-wrapper is a binary file compiled from pcgi-wrapper.c during the
Zope installation process. The pcgi-wrapper binary is the program that
implements PCGI protocol.
   When I wrote mod_pcgi2, I borrowed a lot of code from pcgi-wrapper.c.
That way you do not need Zope.cgi or pcgi-wrapper - the PCGI code is
already in mod_pcgi2.

 how can i finetune the performance?  it seems that under heavy load, eg 100
 simultaneous apache connection, it'd get loger to contact the server.  in the
 browser, we'd see contacting the server, waiting for reply .. for about 3-4
 secs before we get any activity/reply from server.

   You'd need to finetune Zope, not the mod_pcgi2 module.
   When you connect to Zope-behind-Apache the process is going the
following path:
   1) browser sends a rquest to Apache
   2) Apache invokes the mod_pcgi2 handler
   3) the handler passes the request to Zope
   4) !!! here is the problem to finetune !!! If Zope's own pull
  requests handlers is empty - Zope does not handle the request, but
  queues the request and waits
   5) after Zope processes the request it passes the results back
   6) mod_pcgi2 passes the results to Apache
   7) Apache passess it back to browser.

   Ususally there are 4 threads in Zope, and 7 ZODB connections. The first
number - 4 threads - could be configured by passing parameter to z2.py. If
you raise the number much, you'd need to raise he seconf number somwhere
in the ZODB source code. These are points for finetuning.

   Actually you may need to tune more things, but these things are just
totally unrelated to mod_pcgi2. Tune ZODB cache, install and learn to use
cacheing Products (the are a number of caches for Zope), use squid, etc.

 when i do a packet dump, it seems that the machine needs a couple of SYN
 before getting and ACK from the server.  do you think it has anything to do
 with mod_pcgi2?  sorry  if it's not.

   I'm pretty sure it has nothing with mod_pcgi2. SYN/ACK are properties of
TCP/IP protocols, and PCGI protocol is much higher level.

Oleg.

 Oleg Broytmann http://www.zope.org/Members/phd/ [EMAIL PROTECTED]
   Programmers don't die, they just GOSUB without RETURN.




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[Zope] RE: Strange Catalog problem.

2000-12-08 Thread Søren Roug

I think you should do "Find Items to ZCatalog" and do a clean index of the
whole website. Apparently "Update Catalog" doesn't touch the old invalid
pointers in the index.

Also, for Yihaw you must find object of all types otherwise it won't catalog
the subclassed objects!

The correct behaviour in 2.2 is with a preceeding '/'.

|| -Original Message-
|| From: Didier Georgieff [mailto:[EMAIL PROTECTED]]
|| Sent: Friday, December 08, 2000 10:45
|| To: [EMAIL PROTECTED]
|| Cc: [EMAIL PROTECTED]
|| Subject: Strange Catalog problem.
|| 
|| 
|| Hello,
|| 
|| I'm using a modified (french, adding programatically and new 
|| classes but 
|| the ground features are untouched) Yihaw on 2.2.4 (linux).
|| 
|| I've got a strange behaviours (YihawNews boxes don't show 
|| the new items) 
|| until i found that "old" (before upgrading to 2.2.2 + 2.2.4 
|| update) items on 
|| the catalog don't start with "/" and the new ones does start 
|| with "/".
|| 
|| Reindexing gives me the same 2 categories and change nothing.
|| 
|| I'm puzzled with :
|| * what is the "correct behaviour / or no / ?
|| * why reindexing doesn't homogenize the / ?
|| 
|| The "new" items are now added programatically and the "old" 
|| ones where 
|| done thru Zope interface.
|| 
|| And sometimes i still get a "problem uncataloging before 
|| catalogging" 
|| message on the Zope console.
|| 
|| Am i missing some important change ?
|| Thanks in advance.
|| 
|| 
|| --
|| Didier Georgieff
|| DDAF du Bas-Rhin - Cellule SIG 
|| 2, rue des Mineurs 67070 Strasbourg Cedex
|| tél : 03.88.25.20.33 - fax : 03.88.25.20.01
|| email : [EMAIL PROTECTED]
|| SIT du Bas-Rhin : http://www.bas-rhin.sit.gouv.fr
|| GéoWeb http://sertit10.u-strasbg.fr
|| 

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RE: [Zope] ZPatterns

2000-12-08 Thread Magnus Heino (Rivermen)


  I simple products that does things the ZPatterns way, and 
 explains why and
  how would be just great.
 
 The problem, and this I totally agree with PJE, Ty Sarna and the other
 people who're using ZPatterns and fully understand it, is 
 that they are
 using it to do their jobs and so really haven't got the time 
 to come up
 with nice examples and finished docs. 
 
 To be honest, I'm just glad they chose to open source it all :-)

And so am I.

What I meant was that there seems to be more and more people that that start
to understand it, at least a small bit of it.

If all these people contributed their small part to a
HowToWriteASimpleAndGoodZPatternsProductZWiki, then the documentation bit
would be solved.

Maybe people like you? :)

/Magnus

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[Zope] RE: Strange Catalog problem.

2000-12-08 Thread Didier Georgieff

Le 8 Dec 2000, à 11:44, Søren Roug a écrit :

 I think you should do "Find Items to ZCatalog" and do a clean index of the
 whole website. 

Yes. But problem is to get the *whole* objects or nothing but can't get 
only the Yihaw objects and subclassed objects (see below).
I guess it's a ZCatalog problem (or a feature ?)

 Apparently "Update Catalog" doesn't touch the old invalid
 pointers in the index.

Yes. Is it a feature or a bug ? Because this causes a lot of trouble when 
you want to transfer a 2.1.6 to 2.2.x site (because of the lack of subclass 
objets proposal when you want to do a new clean index..

 Also, for Yihaw you must find object of all types otherwise it won't catalog
 the subclassed objects!

That's weird. It only shows the main Zclass. So doing that the catalog 
ends up with thousands of other objects !

Is this also a feature or a bug ?

Thanks for the help.
--
Didier Georgieff
DDAF du Bas-Rhin - Cellule SIG 
2, rue des Mineurs 67070 Strasbourg Cedex
tél : 03.88.25.20.33 - fax : 03.88.25.20.01
email : [EMAIL PROTECTED]
SIT du Bas-Rhin : http://www.bas-rhin.sit.gouv.fr
GéoWeb http://sertit10.u-strasbg.fr

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[Zope] RE: Strange Catalog problem.

2000-12-08 Thread Søren Roug



||  Apparently "Update Catalog" doesn't touch the old invalid
||  pointers in the index.
|| 
|| Yes. Is it a feature or a bug ? Because this causes a lot of 
|| trouble when 
|| you want to transfer a 2.1.6 to 2.2.x site (because of the 
|| lack of subclass 
|| objets proposal when you want to do a new clean index..
||

In my opinion ZCatalog should clean out invalid references. So I would
classify it as a bug.
 
||  Also, for Yihaw you must find object of all types 
|| otherwise it won't catalog
||  the subclassed objects!
|| 
|| That's weird. It only shows the main Zclass. So doing that 
|| the catalog 
|| ends up with thousands of other objects !
|| 
|| Is this also a feature or a bug ?

This is in my opinion also a bug. If they at least could catalog all derived
classes.
--
Sincerely yours/Med venlig hilsen
Søren Roug [EMAIL PROTECTED]
European Environment Agency
Kongens Nytorv 6
Tel: +45 3336 7212   Fax: +45 3336 7199  ICQ: 13804170

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Re: [Zope] New version of book uploaded

2000-12-08 Thread Jochen Knuth

Hi,

Michel Pelletier wrote:

 Greetings,
 
 Read this carefully, you may end up with a free, signed copy of the Zope
 book.
 
...

 
 So without further a-do here's the URL.  Have fun!
 
 http://www.zope.org/Members/michel/ZB/
 
 -Michel

ok, it's not in the book itself but linked from it (Status):

http://www.zope.org/Documentation/new/book.html

The book covers Zope 2.3 which has not been released yet. Therefore some 
things will be a little confusing. The main differences between Zope 2.3 
and Zope 2.2 is the lack of Python Methods and Perl Methods in Zope 2.2. 
You can use External Methods for restricted Python Methods.

Jochen

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IPRO GmbH Phone ++49-7152-93330
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Re: [Zope] ZPatterns

2000-12-08 Thread Rik Hoekstra



Cees de Groot wrote:
 
 Chris Withers [EMAIL PROTECTED] said:
 ...I disagree, ZPatterns only major flaw is that its totally immersed in
 its own jargon which very few people understand :-(
 
 That said, my impression is that if you can wade through the b/s, it's
 more than worth the effort...
 
 Hmm, maybe it's the time for a translate-zPatterns-to-english effort?
 
 --

In fact, IMHO the problem is not so much a translation (of concepts) to
English, because there are a few of those. 

See pje's own DropZone Example
http://www.zope.org//Members/pje/Wikis/ZPatterns/DropZoneExample

and Shane's more basic explanation of what is what
http://www.zope.org//Members/pje/Wikis/ZPatterns/RacksAndSpecialistsSimplified

The basic problem as I experience it is not so much the jargon, because
you get used to it. I'll add some more specific questions where my
understanding gets muddled to illustrate this

Where _I_ get stuck is:
1) How do Racks (and their associates) relate to normal propertysheets
and how to attributes. What is the relation to objects? 
2) What do I add to a Rack and what to a Specialist to get a) a property
b) a propertysheet c) an object
3) How do I switch from one implementation to another (for example from
persistent storage to non-persistent storage) and what parts do I have
to update
4) if I add a SkinScript, what does it really do? How does it relate to
my Rack, and how to the Specialist? How can I use it and where do I use
it - in the Rack or in the Specialist, or do they both have their own
domain?
5) How do I talk to a Specialists? What will it say back? For example,
if I have a 'virtual object' (let's say a person that gets its
properties from ad RDB and is accessed by its name), should I be able to
access it by direct URL traversal blabla/WhateverSpecialist/Name or do
I add a querystring blabla/WhateverSpecialist?name=Name

There should just be some annotated step by step guides. I'd like to add
some, but i first have to find out how ;-(

my 2 cents

Rik

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Re: [Zope] New version of book uploaded

2000-12-08 Thread Jochen Knuth

and another one:

http://www.zope.org/Members/michel/ZB/RelationalDatabases.html

Figure 10-5: The Add form for Z SQL Methods

As usual, you must specify an id and title for the ZSQL Method. In 
addition you need to select a Database Connection to use with
this Z SQL Methods. Give this new method the id hire_employee and select 
the gadfly_database_connection that you created in
the last section.

Next you can specify arguments to the Z SQL Method. Just like Python 
Methods, ZSQL Methods can take arguments. Arguments
^ ^

are used to construct SQL statement. In this case your method needs four 
arguments, the employee id number, the first name, the
last name and the employee's salary. Type "emp_id first last salary" 
into the Arguments field. Don't put a comma between the two
arguments.


Ciao,
Jochen
-- 
--
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IPRO GmbH Phone ++49-7152-93330
Steinbeisstr. 6   Fax ++49-7152-933340
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Re: [Zope] New version of book uploaded

2000-12-08 Thread Jochen Knuth

Hi,

Jochen Knuth wrote:

 and another one:
 
 http://www.zope.org/Members/michel/ZB/RelationalDatabases.html
 


sorry, another cache bug.

Jochen
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Re: [Zope] ZNavigator

2000-12-08 Thread Olaf Zanger

well, 


i installed navigator_demo.zexp and the ZNavigator folder from 2-00 and
2-01 respectively that i downloaded yesturday

didn't help, but

solution solution:

delete 
navigator_demo/simple_demo/infobar/nonsens
and simple_demo works

your selection of objekt names, bar entries and the respective
differences does unfortunately not really support bugtracking :-(

since the complex_demo does not give any positive sign i give up here
i would love to understand the complex_demo too, in case you have the
correct version feel free to email it to me.

thanks for your help and your product anyway

olaf

Jonas Juselius schrieb:
 
 Did you _install_ the code for ZNavigator 2.02 _and_ the examples in that
 dist? (Remove the old ZNavigator and the examples...). When did you download
 the ZNavigator from the Zope site? When I fixed the ZNav, I managed to upload
 a faulty version, which was up for a day or two before I noticed... ;(
 Unfortunately I didn't change the version numbers when I corrected my mistake.
 I corrected my mistake a couple of months ago, so if your 2.02 is newer than
 that it should be OK. It's important for me to know, before I start hacking...
 
 The problem is that (if I remember correctly, I have not looked at the code
 for some time...) the DateTime stuff in Zope changed at some point. I had to
 change the ZNavigator, so that it now uses Date _strings_ internally,
 instead of DateTime objects... The problems arise because old NavItems (although
 you cannot see it), have their date and expire data stored as DateObjects
 instead of as strings. What you can try to do to fix the problems is to walk
 through (either by hand or by DTML) your NavItems, open them and _save_ them
 back without any modification. This should fix the problems. Another thing you
 can look at is the precision of the date. The date should have a precision of
 one day, not in seconds... (This was one of the problems the the new DateTime
 objects, and the easiest way to fix it was to make dates strings and convert
 strings to DTObjects when date comparison/algebra is needed...)
 Of course it is possible that there is a bug somewhere, but I and a number of
 people have been using the current version for months without problems.
 
 Let me hear how it went,
 take care,
 
 -jonas-
 
 On Fri, Dec 08, 2000 at 10:51:30AM +0100, Olaf Zanger wrote:
 
 
  Jonas Juselius schrieb:
  
   Yes I have an idea... ;-)
  
   Due to some changes in Zope2, the ZNavigator broke... Try to get the latest
   version (2.02) from www.zope.org/Members/jonas/ZNavigator/ and install the
   examples from that distro instead.
 
  thanks for the tip, but didn't help, sorry
 
  navbar_dtml shows first icon right, second and third as "_"
  on click to second i come to Foo, click to first and third "date-string
  error"
 
  i copy
  /simple_demo/foo/index_html
  to
  /simple_demo/bar/index_html
  and it works
 
  unfortunately i can not find any differences between
  /bar/index_html
  and
  /foo/index_html
 
  what's up?
 
  olaf
 
  
   -jonas-
  
   On Fri, Dec 08, 2000 at 07:59:57AM +0100, Olaf Zanger wrote:
hi there,
   
i installed ZNavigator2.00.tgz on zope 2.2.2
if i try to use the examples i can install them
i can edit the pages, but if i want to view them
a error page "invalid date-time string"
   
appears
   
any idea?
   
olaf
   

-- 
soli-con Engineering Zanger
Dipl.-Ing. (FH) Olaf Zanger Nusch
Lorrainestrasse 23
3013 Bern / Switzerland
Fon: +41-31-332 9782
Mob: +41-76-572 9782
mailto:[EMAIL PROTECTED]
mailto:[EMAIL PROTECTED]
http://www.soli-con.com

begin:vcard 
n:Zanger;Olaf Marc
tel;cell:+41-76-572 9782
tel;work:+41-31-332 9782
x-mozilla-html:FALSE
url:www.soli-con.com
org:soli-con Engineering Zanger
adr:;;Lorrainestrasse 23;Bern;BE;3013;Switzerland
version:2.1
email;internet:[EMAIL PROTECTED]
title:Dipl.-Ing.
note;quoted-printable:IT-Consulting=0D=0AEmbedded Systems=0D=0AEnergy Systems=0D=0AOpen Source Solutions=0D=0A
x-mozilla-cpt:;-32176
fn:Olaf Zanger
end:vcard



Re: [Zope] New version of book uploaded

2000-12-08 Thread Jochen Knuth

(this time after several attempts to reload)

Michel Pelletier wrote:

 Greetings,
 
 Read this carefully, you may end up with a free, signed copy of the Zope
 book.

http://www.zope.org/Members/michel/ZB/AppendixA.html

return: Returns data

The return tag stops executing DTML and returns data. It mirrors the 
Python return statement.

Syntax

return tag syntax:

 dtml-return ReturnVariable|expr="ReturnExpression"

Stops execution of DTML and returns a variable or expression. The DTML 
output is not returned. Usually a return expression is
more useful than a return variable. Python Methods largely obsolete this
  ^^^ ^^
  tag.


Jochen
-- 
--
Jochen Knuth  WebMaster http://www.ipro.de
IPRO GmbH Phone ++49-7152-93330
Steinbeisstr. 6   Fax ++49-7152-933340
71229 LeonbergEMail: [EMAIL PROTECTED]


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[Zope] Is it Possible 2: Get resolution!

2000-12-08 Thread Stoonsdesign



Quote: "ASP Sux, Php isOK, but ZOPE 
RULEZ!"
  
   Stoons (me) friday 8th 
dec. 2000.


Q: Is it posible to get the current users 
SCREEN-RESOLUTION (without using Javascript!)..?


Stoons = )


Re: [Zope] Authentication Problem : External method returning object

2000-12-08 Thread Sean McGrath

  
  Here is the external method "testexternal":
 
  class AClass:

[Dieter Maurer]
 You will need (or something like this):
__access_to_unprotected_subobjects__= 1
  def __init__(self):


It works a treat. Thanks!

Sean


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Re: [Zope] Using aquisition inside a dtml method of a product ?

2000-12-08 Thread Tres Seaver

On Fri, 8 Dec 2000, Andreas Jung wrote:

 On Thu, Dec 07, 2000 at 10:07:25PM -0500, Tres Seaver wrote:
  
  Could it be that you don't derive your product class (directly or
  indirectly) from Acquisition.Implicit?  Otherwise, I'm stumped.
  I use just the code you describe inside the PTK, for instance.
 
 Yes, that was the problem. I took the ExternalMethod product
 as example - this one uses explicit aquisition.

Explicit can be helpful in some cases.  For instance, you 
could add these lines to your class to solve the immediate
problem without opening it up to acquire anything:

 standard_html = standard_html_footer = Acquisition.Acquired

Tres.
-- 
===
Tres Seaver[EMAIL PROTECTED]
Digital Creations "Zope Dealers"   http://www.zope.org


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Re: [Zope] FW: [Zope] FTP for ZClass hierarchies

2000-12-08 Thread Tres Seaver

M. Adam Kendall" [EMAIL PROTECTED] wrote:

 ARGH.. Spoke too soon.. just figured out how to override it
 so it actually WILL let you get to methods of inner Zclasses.
 And yes, I have tried to save back to the methods and they
 save fine.. The next thing to try to tackle is how to make
 FTP create a DTML Method instead of DTML Document as the 
 default when creating new files.

I just checked in a pair of features for 2.3a1 which make
it possible to hook the "figure out what kind of thing to create
when handling a PUT to a new object" strategy.

See the "hookable PUT creation fishbowl proposal",
  http://dev.zope.org/Wikis/DevSite/Proposals/HookablePUTCreation

 Hope this helps.
 
  In the past few days I have been working on a patch that will
  let you edit ZClasses via FTP without the need for typing in
  actual pathnames to get to the methods (mainly so I can edit
  ZClasses with HTML-Kit).  Strangely enough, even with the 
  modifications, I see this same thing.

Tres.
-- 
===
Tres Seaver[EMAIL PROTECTED]
Digital Creations "Zope Dealers"   http://www.zope.org

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[Zope] Microsoft IIS 4.0 and Zope

2000-12-08 Thread Petter Enholm

Hi,

This may be more of a Microsoft IIS questions than Zope question, but I give
it a shot!

I have installed Zope (on port 8080) on a Windows NT 4.0 server with IIS
4.0, followed to Howto that explains how to set up PCGI with IIS, and all
works very well. I can access Zope through
http://localhost/scripts/zope.pcgi

Next step: I want to access the Zope site through a given DNS name, f eks
www.mydomain.com. How can I do this with IIS 4.0? I find no way to redirect
a virtual host and at the same time rewrite the URL so that the user gets
http://www.mydomain.com in the browser, not .../scripts/zope.pcgi.

Anybody out there with knowledge on this issue?

Best regards

Petter Enholm
Snapper as


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Re: [Zope] Is it Possible 2: Get resolution!

2000-12-08 Thread Stephan Richter

Q: Is it
posible to get the current users SCREEN-RESOLUTION (without using
Javascript!)..?
Since Zope is a server-side application, it is completely ignorant to
client settings. It can get only variables from the HTTP environment
settings. Since Javascript is a client side language, it can get
client-specific information.

Regards,
Stephan


--
Stephan Richter
CBU - Physics and Chemistry Student
Web2k - Web Design/Development  Technical Project Management


[Zope] ZEXP filesize

2000-12-08 Thread peter bengtson

How (and if) is it possible to deduce the total size of a website from the
filesize of Exported ZEXP files in Zope?
If it's not possible to find a formula for the ratio of zopestuff and
htmlstuff, is there any other way of getting a good estimate of "how big a
site is"?

Cheers, Peter


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[Zope] HELP! - DTML Variables

2000-12-08 Thread Mohan Baro



In the 
code segment :

dtml-in 
expr="find_employee(employee_id='XXX')" size=50 
start=query_start dtml-if 
sequence-start

How do 
I declare a variable such as

intEmployee='123456'


so 
that I can use it as:

dtml-in expr="find_employee(employee_id=dtml-var 
intEmployee)" size=50 start=query_start dtml-if 
sequence-start


What I 
am really tring to do is:

dtml-in expr="find_employee(employee_id='dtml-var 
"AUTHETICATED_USER.getUserName()"')" size=50 
start=query_start dtml-if 
sequence-start
But I 
keep on getting syntax errors.



Mohan.


  


[Zope] Re: sorry to bother you again

2000-12-08 Thread Chris McDonough

- Original Message -
From: "Matt" [EMAIL PROTECTED]
To: "Chris McDonough" [EMAIL PROTECTED]
Sent: Friday, December 08, 2000 4:46 AM
Subject: sorry to bother you again

No problem... I'd like to keep it on the mail list, so other folks can get
the benefit.

 Chris,
 I found the following in the mailing lists, it was one of your replies to
a
 persistence question, I think it could finally clarify some things for me.

 Now if I understand what you have been saying in the following and before
then
 if I used self.a[0] = b then this will only be committed if I had called
the
 function that calls this within my product.  If I called the function
outside
 of this, say using a dtmlMethod or an external method, then it would not
 persist and instead I should really use

 tmp = self.a
 tmp[0] = b
 self.a = tmp

The main question to ask yourself when trying to persist things is "is the
__setattr__ of a persistent object getting called"?  In the above example,
the answer is yes.

 I feel I am missing something.  The boringplus product I made uses
self.a[0] =
 b type referencing, but on a dictionary, and works well.  Where would my
 product fail?

It would not show your mutations of the 'self.a' dictionary:

  - after the server is stopped and restarted

-or-

  - after the object referenced by 'self' was flushed from the RAM
cache during normal operations




 thanks for your help
 regards
 Matt


   Message 29479 of 46695

[ Reply ]
  [ Forward ]
[ View
 Source ]




 From: Chris McDonough  [EMAIL PROTECTED]
 Date: Tue May 2, 2000 3:05am
 Subject: Re: [Zope-dev] Zope/Python Object Persistence


 Chimezie is right... one clarification:  you don't
necessarily
 need to
 make the counter an attribute of the object the
getNextCount()
 method is
 implemented on, but it needs to be an attribute of some
object
 that
 sublclasses Persistence.Persistent (any standard Zope
object).

 Note also that you will undoubtedly be bitten at some
point
 during the
 writing of code in Zope by the somewhat unobvious fact
that you
 need to
 treat mutable Python objects that are attributes of
persistent
 objects
 as immutable.  So instead of (for example):

 self.a[0] = b

 You'd need to do something like:

 tmp = self.a
 tmp[0] = b
 self.a = tmp

 Doing this triggers the persistence machinery.  A
different,
 short-hand
 way to do this is:

 self.a[0] = b
 self.a._p_changed=1


 Chimezie Thomas-Ogbuji wrote:
 
  If you make the dictionary an attribute of the zope
object
 the
  getNextCount() method is called on, it should be pickled
 automatically
  by ZODB. You'll need this logic in the beggining of
 getNextCount:
 
  if (attribute exists):
  increment count attribute
  else:
  set attribute to default value (0) and increment
 
  This solution assumes you want a per-object persistent
 counter. If what
  you want is a class-wide counter (common to all
instances)
 then I'm not
  sure how you'd do this besides:
  1) using ZPickle product (might be overkill)
  2) using Persistent List product (might be more
appropriate)
 
   Adam Pawliuk wrote:
  
   Hi,
  
   Is there a way that I can maintain persistent python
 objects in
   memory through the Zope Server?
  
   As a simple example if I create a counter in a python
 module and
   access it through an external method, the module seems
to
 get reloaded
   every so often, so the counter will get reset. Can I
avoid
 this?
   Basically I just want to keep a persistent
 hashtable/Dictionary.
  
   MODULE:
  
 *
   __persist = {};
   __persist['count'] = 0;
  
   def getNextCount():
  __persist['count'] = int( __persist['count'] )+1
  return __persist['count']
  
 
   

Re: [Zope] persistence and dictionaries

2000-12-08 Thread Chris McDonough


 Thanks for the reply, that is really useful.  There are a couple of things
 though that still don't add up.  Firstly, you say below, as do all the
ZODB
 documents that "Custom" classes can certainly persist, they just need to
mix in
 the "Persistence.Persistent" class as a base class.  Well, in my example I
 attached in my first email, my product certainly has
Persistence.Persistent,
 but my second class that I add to this one does not, yet it still
persists.
 There was an email sometime ago on the mailing list that told someone that
this
 was why their product instances disappearing from the ZODB.
 (the ref for the original email is :
http://www.egroups.com/message/zope/44263
 ... I can't find the reply again.)



You can put instances which do not inherit from Persistence.Persistent in
your database.  They just won't "stick".  They'll hang around until the
server is restarted or for an undetermined amount of time during normal
operations.

 So my current understanding would be that any classes you want to add in
do not
 need to derive from Persistence.Persistent, and if it is pickleable then
all
 should be fine if you call on instances of that object within you product.

No.  It'll work for "a while" or until the server is restarted.  :-)

 The next part that worried me came from the "python product tutorial"
 http://www.zope.org/Members/hathawsh/PythonProductTutorial

 This stated that the class dictionary self.votes = {} needed to be changed
to
 self._votes = Globals.PersistentMapping()  so that updates to it persist.
 Hence my query about dictionaries.

This was for convenience, I'd imagine.

  I also noticed your comment about __setstate__ .  What is it about this
that is
 dangerous.

Nothing implicitly dangerous, but it can get confusing if you have multiple
revisions of your product and you use variables caused by __setstate__.
Also, once you add a __setstate__ which modifies the object in-place,
there's a likelihood that it can never go away (you're can never be sure if
all instances have been updated).

 Recently I built a product out of some python classes I wrapped
 around 4DOM, and since 4DOM documents do not seem to persist(well the
document
 does, but it loses all its children), then I persisted them to the local
file
 system, since I needed to do that anyway for what I was doing.  Setstate
seemed
 to work nicely to bring them back, though watching its behaviour I noticed
that
 it was called very often by zope.

Sure, that works... although at that point you're creating your own object
database.  :-)


 Chris McDonough wrote:

  All pickleable Python primitive types (strings, dictionaries, lists,
Nones,
  integers, floats, longs, etc.) can live in the ZODB.  They can persist
just
  like instances that inherit from the Persistent class.
 
  I think you read a little too much in to the fact that you need to
"treat
  mutable objects immutably" when working with them in the ZODB.  This
  statement doesn't mean that these kinds of objects can't be saved in the
  ZODB, it just means you need to treat them specially when putting them
in
  the database.
 
  For instance, if you were doing this inside of an external method:
 
  def amethod(self):
 self.mydict = {}
 self.mydict['a'] = 1
 
  (where self is the persistent object that is usually the external
method's
  "container")
 
  It wouldn't work as you expected.  Although you'd see an 'a' in mydict
for a
  little while in further accesses to it, 'mydict' would eventaully show
up as
  an empty dictionary on the first access of it after it was expired from
the
  RAM cache (after it was 'ghosted'), because the last thing that the ZODB
  "saw" (via the __setattr__ on 'self' and a subsequent transaction) was
you
  setting a empty dictionary.
 
  Persistent objects (like "self" in the above example) are only smart
enough
  to notice changes to themselves that happen through their __setattr__
(e.g.
  self.mydict = {} calls self's __setattr__).  Mutating the attribute
'mydict'
  above "in-place" (via self.mydict['a'] = 1) does not trigger self's
  __setattr__, so the ZODB never notices that "mydict" got changed.
 
  There are two ways to handle this.  The first is to treat mutable
attributes
  "immutably" via assigning to a temporary variable and then making sure
the
  persistent container's __setattr__ gets called:
 
  def amethod(self):
 dict = {}
 dict['a'] = 1
 self.mydict = dict # trigger persistence mechanism implicitly
 
  The second is to use the _p_changed attribute of the persistent object
on
  which the primitive is set.  This explcitly tells the persistence system
to
  include the object on which it's set into the current transaction:
 
  def amethod(self):
 self.mydict = {}
 self.mydict['a'] = 1
 self._p_changed = 1 # trigger persistence mechanism manually
 
  Variations on this theme extend to list methods too (e.g. list.append,
  list.pop, etc.)
 
  "Custom" classes can certainly persist, they just need 

Re: [Zope] Is it Possible 2: Get resolution!

2000-12-08 Thread Oleg Broytmann

On Fri, 8 Dec 2000, Stoonsdesign wrote:
 Q: Is it posible to get the current users SCREEN-RESOLUTION (without
 using Javascript!)..?

   You can't, and you don't need. Even if you get the resolution, you'd
have hard times generating HTML for that resolution: HTML is very bad
concerning strict screen positioninig. HTML is not "publishing".

Oleg.

 Oleg Broytmann http://www.zope.org/Members/phd/ [EMAIL PROTECTED]
   Programmers don't die, they just GOSUB without RETURN.


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RE: [Zope] dtml-var date fmt=Date does not work!

2000-12-08 Thread Mohan Baro


this is what I use to get the current time.

dtml-var "_.DateTime()" fmt=Date


Mohan.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Thomas Volkmar Worm
Sent: Friday, December 08, 2000 4:42 AM
To: [EMAIL PROTECTED]
Subject: [Zope] dtml-var date fmt=Date does not work!


Hi,

trying the example

dtml-var date fmt=Date

from the DTML-Documentation, page 3, leads to the following result
when viewing the page. Why? I am using Zope 2.2.4. I get the same
 results on W98/WNT and Linux. Without this tag, the page works.

Regards
Thomas

{PRIVATE}{PRIVATE "TYPE=PICT;ALT=Zope"} Zope
Error
Zope has encountered an error while publishing this resource.
Error Type: KeyError
 Error Value: date

Troubleshooting Suggestions
Thisresource may be trying to reference a nonexistent  object
or variable date.

The URL may be incorrect.

The parameters passed to this resource may be incorrect.

A   resource that this resource relies on may be encountering  an
error.

For more detailed information about the error, please refer to
the HTML source for this page.
If the error persists please contact the site maintainer. Thank
you for your patience.

 {HYPERLINK "http://www.zope.org/Credits"}{PRIVATE
"TYPE=PICT;ALT=Powered by Zope"}{HYPERLINK
"http://www.zope.org/Credits"}
Traceback (innermost last):
  File
D:\Programme\Zope\lib\python\ZPublisher\Publish.py
 , line 222, in publish_module
  File
D:\Programme\Zope\lib\python\ZPublisher\Publish.py
 , line 187, in publish
  File
D:\Programme\Zope\lib\python\Zope\__init__.py,
line 221, in zpublisher_exception_hook
(Object: ApplicationDefaultPermissions)
  File
D:\Programme\Zope\lib\python\ZPublisher\Publish.py
 , line 171, in publish
  File
D:\Programme\Zope\lib\python\ZPublisher\mapply.py,
  line 160, in mapply
(Object: test)
  File
D:\Programme\Zope\lib\python\ZPublisher\Publish.py
 , line 112, in call_object
(Object: test)
  File
D:\Programme\Zope\lib\python\OFS\DTMLDocument.py,
 line 177, in __call__
(Object: test)
  File
D:\Programme\Zope\lib\python\DocumentTemplate\DT_S
 tring.py, line 528, in __call__
(Object: test)
  File
D:\Programme\Zope\lib\python\DocumentTemplate\DT_V
 ar.py, line 276, in render
(Object: date)
KeyError: (see above)


Thomas Volkmar Worm
Diagonalstr. 25
D-20537 Hamburg
Tel.: +49 40 2198 2741
Fax.: +49 40 2198 2742

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Re: [Zope] Another Zope E-Commerce Site Online

2000-12-08 Thread Brad Clements

On 8 Dec 2000, at 8:14, Cees de Groot wrote:

 The nice thing about the checkout sequence is that you can move 
 backwards at any time without losing the entered data. Also you can 
 jump out to shop more, jump to the privacy, shipping and returns policy
 and your entered data isn't lost.
 
 As my ebusiness site has trouble with exactly that point, would you care to
 elaborate on how you accomplished that? It'd be nice to peek at someone
 else's solution before running off and reinventing wheels :-)

When users proceed from Shopping Cart to Checkout, we create an 
SQL record for the order. This record holds their billing and shipping 
information, charge card result code (not the credit card number of 
course).

If you examine the checkout sequence, you'll see that the only way you 
can leave it (other than by the nav bar, which will soon be fixed too) is 
by clicking on an image.

All of these images are part of the form.

Clicking on any image causes the contents of the form to populate the 
database record. If you clicked on 'next', we also validate your inputs.

If your input passes validation, we increment a "nextPageAllowed" 
SQLSession integer. This controls which page you can move to.. So 
naturally you can move backwards to any page you've completed, we 
retrieve the data from the SQL record to populate the form.

When you hit page 3, we populate a LINEITEMS table by dumping the 
contents of your shopping cart (which is an SQLSession dict). During 
the population of LINEITEMS, we calculate sales tax, shipping costs, 
etc and record all the costs in the ORDER record.

We then display on step 3 the LINEITEMS records and the costs from 
the ORDER record, since this is what the actual cc charge will be 
based on.




Brad Clements,[EMAIL PROTECTED]   (315)268-1000
http://www.murkworks.com  (315)268-9812 Fax
netmeeting: ils://ils.murkworks.com   AOL-IM: BKClements

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[Zope] Why I Love Zope: Success Stories (BEWARE: sappy stuff inside)

2000-12-08 Thread J. Atwood

I run at least 7 or 8 Zope sites of varying shapes and sizes for 
about a year now and everyone once in awhile I just have to take a 
moment and reflect upon how much easier Zope has made my "web" life. 
There are some of my stories (que the music)


- Recently someone took notice of a FAQ on one of my sites (thank you 
KnowledgeKit) and was trying to figure out how I kept it updated and 
allowed for user submissions. As I told them about the process 
(submit, email, edit, approve, go live and added to "new FAQs") I 
just realized how cool the system really is and how much easier it 
had all been to do in Zope. The kicker was when I mentioned I had the 
same system for the links (Thank you SimpleURL). They were stunned, 
to say the least. Go Zope.

- My Brother recently had a child and not only was I able to set my 
new niece up with a area on the family site but gave my Father a 
username and password and about five minutes of instructions on how 
to get images into the photo album (thank you ZPhotoAlbum). I went to 
bed while he scanned away and published a series of pictures all by 
himself. Not only was he totally impressed with the system but in the 
content management features. Of course a link went out to all the 
family to come and take a look. Zope can now add a new tag line 
"Father Friendly."

- I have been slowly getting Zope into more and more projects at 
work. We are now at about 5 Zope sites. This really shouldn't seem 
that amazing except for the fact that I in order to build the very 
first site in Zope I had to battle for about two weeks with 
arguments, case studies and ultimately putting my job on the line. 
Now, when building a new site they don't even question what I will 
build it in. Zope is CEO friendly as well.

- Two of our sites at work were built at the same time. One in Zope 
one in JSP. Everyone worried about the Zope and how it compared to 
JSP (Tomcat). Fast forward a few months when the consultants who 
built the JSP site are gone and the two sites need content management 
and updating. I spent a little time with one user teaching them how 
to update some stuff with versions etc and they have been happily 
doing so ever since. The person who is responsible for keeping the 
JSP site updated has been struggling with code, FTP issues, compiling 
problems, etc. After about a month of struggling with her updates and 
changes she noticed the other user easily go in through his browser, 
do a quick change and make it go live. Fireworks erupted. She had a 
TIZZY! "DID YOU JUST CHANGE THE HOMEPAGE THAT EASILY? HOW CAN YOU DO 
THAT? WHY CAN'T I DO THAT?! OH MY GOD!!" To which he simply replied, 
"I don't know... I think it is cause it is Zope" (not really knowing 
what Zope was at all).

(last one)

- We were building a new brochure site (simple, graphic, etc) and the 
graphic artist who knows a bit of HTML but mostly works in 
DreamWeaver and has done a few Zope updates and image uploads in Zope 
before is heading the project. I set up a Zope server for him, gave 
him a username and password and basically went on to another project. 
A few weeks go by and I went to check to see how things had been 
going thinking that he would probably need me to get the data up 
there and start building the site in Zope. Not only was the site 
already built with DTML navigation that he had put in for location 
specific buttons but he was working on the second version of the 
entire site in a version. I was totally stunned.

Just a nice set of stories for you to share with your peers when they 
ask you why you should/would or do use Zope.

If anyone else has similar stories it would be nice to hear them.

Cheers,
J

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RE: [Zope] Microsoft IIS 4.0 and Zope

2000-12-08 Thread Menard . Jean-Francois

Hi Petter,

I have the same problem.  Could you tell me if you find a way?  I
hope someone on this list have an answer!



-Message d'origine-
De : Petter Enholm [mailto:[EMAIL PROTECTED]]
Envoyé : vendredi 8 décembre 2000 07:53
À : [EMAIL PROTECTED]
Objet : [Zope] Microsoft IIS 4.0 and Zope


Hi,

This may be more of a Microsoft IIS questions than Zope question, but I give
it a shot!

I have installed Zope (on port 8080) on a Windows NT 4.0 server with IIS
4.0, followed to Howto that explains how to set up PCGI with IIS, and all
works very well. I can access Zope through
http://localhost/scripts/zope.pcgi

Next step: I want to access the Zope site through a given DNS name, f eks
www.mydomain.com. How can I do this with IIS 4.0? I find no way to redirect
a virtual host and at the same time rewrite the URL so that the user gets
http://www.mydomain.com in the browser, not .../scripts/zope.pcgi.

Anybody out there with knowledge on this issue?

Best regards

Petter Enholm
Snapper as


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Re: [Zope] Microsoft IIS 4.0 and Zope

2000-12-08 Thread Petter Enholm

The easiest thing to do (for me now) is to add Apache as front-end
web-server for both IIS and Zope. The access to documentation, well tested
and documented rules for rewriting, lots of HOW-TO's, mailing lists etc
makes this a good choice  - open source rules!

Any comments on running Apache as front-end for IIS 4.0 and Zope? I would
gladly throw out the IIS server, but my customers has software that relies
on this server.

Best regards
Petter Enholm

- Original Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Friday, December 08, 2000 4:05 PM
Subject: RE: [Zope] Microsoft IIS 4.0 and Zope


 Hi Petter,

 I have the same problem.  Could you tell me if you find a way?  I
 hope someone on this list have an answer!



 -Message d'origine-
 De : Petter Enholm [mailto:[EMAIL PROTECTED]]
 Envoyé : vendredi 8 décembre 2000 07:53
 À : [EMAIL PROTECTED]
 Objet : [Zope] Microsoft IIS 4.0 and Zope


 Hi,

 This may be more of a Microsoft IIS questions than Zope question, but I
give
 it a shot!

 I have installed Zope (on port 8080) on a Windows NT 4.0 server with IIS
 4.0, followed to Howto that explains how to set up PCGI with IIS, and all
 works very well. I can access Zope through
 http://localhost/scripts/zope.pcgi

 Next step: I want to access the Zope site through a given DNS name, f eks
 www.mydomain.com. How can I do this with IIS 4.0? I find no way to
redirect
 a virtual host and at the same time rewrite the URL so that the user gets
 http://www.mydomain.com in the browser, not .../scripts/zope.pcgi.

 Anybody out there with knowledge on this issue?

 Best regards

 Petter Enholm
 Snapper as


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Re: [Zope] HELP! - DTML Variables

2000-12-08 Thread peter bengtson

You can't have DTML inside DTML.
The dtml- stuff is to tell Zope that this is not HTML.

The correct answer is:
dtml-in expr="find_employee(employee_id=AUTHETICATED_USER.getUserName())"
size=50 start=query_start

cheers, peter
- Original Message -
From: Mohan Baro
To: [EMAIL PROTECTED]
Sent: Friday, December 08, 2000 1:53 PM
Subject: [Zope] HELP! - DTML Variables


In the code segment :

dtml-in expr="find_employee(employee_id='XXX')" size=50
start=query_start
   dtml-if sequence-start


How do I declare a variable such as

intEmployee='123456'


so that I can use it as:

dtml-in expr="find_employee(employee_id=dtml-var intEmployee)" size=50
start=query_start
   dtml-if sequence-start


What I am really tring to do is:

dtml-in expr="find_employee(employee_id='dtml-var
"AUTHETICATED_USER.getUserName()"')" size=50 start=query_start
   dtml-if sequence-start

But I keep on getting syntax errors.



Mohan.


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Re: [Zope] Why I Love Zope

2000-12-08 Thread Ivan Cornell


 If anyone else has similar stories it would be nice to hear them.


Well, I've only been using Zope for 6 weeks now,  I've already launched
one site based totally on it in my spare time: http://www.noonsite.com ,
a site for cruising sailors.
Early days for it, but I've already got my father  sister inputting all
the information via the web in different countries, using versions not
to break the live site, etc.

I've forgotten how many times zope's blown me away, having spent my
first week fighting acquisition  the usual newbie things, I now find I
can answer about 50% of questions on this list - a very steep learning
curve (ie going from zero to zen quickly!).

Now I've just got to get to grips with it at work - I'm currently
working on converting a 500,000 row postgresql/php media database over
using ZPatterns...

Regards,

Ivan


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Re: [Zope] DTML-LET problems

2000-12-08 Thread Ivan Cornell

Mohan Baro wrote:

 Why doesn't the following code work?
 How do I achieve the desired functionality?

 dtml-let the_current_user="dtml-var "AUTHENTICATED_USER.getUserName()""
 dtml-var the_current_user
 /dtml-let

 Mohan.

You can't embed dtml within dtml. Try:
dtml-let the_current_user="AUTHENTICATED_USER.getUserName()"
dtml-var the_current_user
/dtml-let

Ivan

PS, I would have replied to your previous post if it hadn't been in HTML!


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Re: [Zope] ZEXP filesize

2000-12-08 Thread Shane Hathaway

peter bengtson wrote:
 
 How (and if) is it possible to deduce the total size of a website from the
 filesize of Exported ZEXP files in Zope?
 If it's not possible to find a formula for the ratio of zopestuff and
 htmlstuff, is there any other way of getting a good estimate of "how big a
 site is"?

The size of a ZEXP should be a pretty good estimate.  Its structure is
quite similar to the object database.  The differences are the lack of
history, versions, and database index information in the ZEXP.

However, it would also be possible to write an external method which
computes directly the size of all pickles in a branch.  In fact, here's
a start:

def compute_size(self):
oid = self._p_oid
jar = self._p_jar
p, serial = jar._storage.load(oid, jar._version)
size = len(p)
for subob in self.objectValues():
size = size + compute_size(subob)
return size

It won't work at the root of a site, but it will work most other places.

Shane

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Re: [Zope] Why I Love Zope: Success Stories (BEWARE: sappy stuff inside) (you're not alone)

2000-12-08 Thread peter bengtson

Well done J.
I've almost been struggling to convince my tech. dir. about Zope. By now
I've almost given up, and I just say. "Zope is better. That's it. Take it or
leave it."
I was asked to build a intranet site for my company. I installed a Squishdot
and changed the logo in the top lefthand corner.

Don't give up. After xmas I will have recharged batteries for my propaganda
so, I won't give up.

cheers, Peter


- Original Message -
From: "J. Atwood" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, December 08, 2000 2:20 PM
Subject: [Zope] Why I Love Zope: Success Stories (BEWARE: sappy stuff
inside)


 I run at least 7 or 8 Zope sites of varying shapes and sizes for
 about a year now and everyone once in awhile I just have to take a
 moment and reflect upon how much easier Zope has made my "web" life.
 There are some of my stories (que the music)


 - Recently someone took notice of a FAQ on one of my sites (thank you
 KnowledgeKit) and was trying to figure out how I kept it updated and
 allowed for user submissions. As I told them about the process
 (submit, email, edit, approve, go live and added to "new FAQs") I
 just realized how cool the system really is and how much easier it
 had all been to do in Zope. The kicker was when I mentioned I had the
 same system for the links (Thank you SimpleURL). They were stunned,
 to say the least. Go Zope.

 - My Brother recently had a child and not only was I able to set my
 new niece up with a area on the family site but gave my Father a
 username and password and about five minutes of instructions on how
 to get images into the photo album (thank you ZPhotoAlbum). I went to
 bed while he scanned away and published a series of pictures all by
 himself. Not only was he totally impressed with the system but in the
 content management features. Of course a link went out to all the
 family to come and take a look. Zope can now add a new tag line
 "Father Friendly."

 - I have been slowly getting Zope into more and more projects at
 work. We are now at about 5 Zope sites. This really shouldn't seem
 that amazing except for the fact that I in order to build the very
 first site in Zope I had to battle for about two weeks with
 arguments, case studies and ultimately putting my job on the line.
 Now, when building a new site they don't even question what I will
 build it in. Zope is CEO friendly as well.

 - Two of our sites at work were built at the same time. One in Zope
 one in JSP. Everyone worried about the Zope and how it compared to
 JSP (Tomcat). Fast forward a few months when the consultants who
 built the JSP site are gone and the two sites need content management
 and updating. I spent a little time with one user teaching them how
 to update some stuff with versions etc and they have been happily
 doing so ever since. The person who is responsible for keeping the
 JSP site updated has been struggling with code, FTP issues, compiling
 problems, etc. After about a month of struggling with her updates and
 changes she noticed the other user easily go in through his browser,
 do a quick change and make it go live. Fireworks erupted. She had a
 TIZZY! "DID YOU JUST CHANGE THE HOMEPAGE THAT EASILY? HOW CAN YOU DO
 THAT? WHY CAN'T I DO THAT?! OH MY GOD!!" To which he simply replied,
 "I don't know... I think it is cause it is Zope" (not really knowing
 what Zope was at all).

 (last one)

 - We were building a new brochure site (simple, graphic, etc) and the
 graphic artist who knows a bit of HTML but mostly works in
 DreamWeaver and has done a few Zope updates and image uploads in Zope
 before is heading the project. I set up a Zope server for him, gave
 him a username and password and basically went on to another project.
 A few weeks go by and I went to check to see how things had been
 going thinking that he would probably need me to get the data up
 there and start building the site in Zope. Not only was the site
 already built with DTML navigation that he had put in for location
 specific buttons but he was working on the second version of the
 entire site in a version. I was totally stunned.

 Just a nice set of stories for you to share with your peers when they
 ask you why you should/would or do use Zope.

 If anyone else has similar stories it would be nice to hear them.

 Cheers,
 J

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Re: [Zope] Is it Possible 2: Get resolution!

2000-12-08 Thread Marcin Kasperski

Oleg Broytmann wrote:
 
 On Fri, 8 Dec 2000, Stoonsdesign wrote:
  Q: Is it posible to get the current users SCREEN-RESOLUTION (without
  using Javascript!)..?
 
You can't, and you don't need. Even if you get the resolution, you'd
 have hard times generating HTML for that resolution: HTML is very bad
 concerning strict screen positioninig. HTML is not "publishing".

I can imagine webpage which uses some Javascript to append information
about resolution to the request as some parameter. Then you could use
it, but it does not make too much sense. What if some people use your
page through caching proxy, which serves it to a few guys without
refetching it (yes, you can forbid caching). What if someone dynamically
changes resolution (as I do with Ctrl-Alt-+ working on my XWindows
Linux)? What if the client disables JavaScript?

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RE: [Zope] DTML-LET problems

2000-12-08 Thread Mohan Baro

Thanks Ivan  Peter,

It work!.


Mohan.


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
Behalf Of Ivan Cornell
Sent: Friday, December 08, 2000 10:25 AM
To: Mohan Baro
Cc: [EMAIL PROTECTED]
Subject: Re: [Zope] DTML-LET problems


Mohan Baro wrote:

 Why doesn't the following code work?
 How do I achieve the desired functionality?

 dtml-let the_current_user="dtml-var
"AUTHENTICATED_USER.getUserName()""
 dtml-var the_current_user
 /dtml-let

 Mohan.

You can't embed dtml within dtml. Try:
dtml-let the_current_user="AUTHENTICATED_USER.getUserName()"
dtml-var the_current_user
/dtml-let

Ivan

PS, I would have replied to your previous post if it hadn't been in HTML!


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[Zope] DTML-LET problems

2000-12-08 Thread Mohan Baro

Why doesn't the following code work?
How do I achieve the desired functionality?


dtml-let the_current_user="dtml-var "AUTHENTICATED_USER.getUserName()""
dtml-var the_current_user
/dtml-let

Mohan.

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RE: [Zope] DTML-LET problems

2000-12-08 Thread Andy Dawkins

Mohan
try this,

dtml-let the_current_user="REQUEST.AUTHENTICATED_USER.getUserName()"
dtml-var the_current_user
/dtml-let

-AndyD

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Mohan
 Baro
 Sent: 08 December 2000 14:41
 To: [EMAIL PROTECTED]
 Subject: [Zope] DTML-LET problems
 
 
 Why doesn't the following code work?
 How do I achieve the desired functionality?
 
 
 dtml-let the_current_user="dtml-var 
 "AUTHENTICATED_USER.getUserName()""
 dtml-var the_current_user
 /dtml-let
 
 Mohan.
 
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Re: [Zope] Why I Love Zope: Success Stories (BEWARE: sappy stuffinside)

2000-12-08 Thread Bak @ kedai


-Original Message-
From: J. Atwood [EMAIL PROTECTED]
To: [EMAIL PROTECTED] [EMAIL PROTECTED]
Date: Friday, December 08, 2000 10:35 PM
Subject: [Zope] Why I Love Zope: Success Stories (BEWARE: sappy stuff
inside)


I run at least 7 or 8 Zope sites of varying shapes and sizes for
about a year now and everyone once in awhile I just have to take a
moment and reflect upon how much easier Zope has made my "web" life.

 ---8---snipped a lot of great stuff.  search the mailing list if you want
to know :)---

oOo Zope ..
how do i love thee.. let me count the ways
-i can now give something out, instead of sucking everything in.  the
community is really a helpful lot.  if i don't chance upon zope (twice -
once during 1.1.13 i left screaming for not able to run it, then 2.0b1 - i
left screaming for being able to put up a site in a month), i will still be
the head who'll use your code and don't give anything in return :)

-zclass - despite what Chrisw, TheJester, and all you real developers out
there say :), is really a hook in mouth.  without it i won't procede, and
without it, i wont try to learn python.

-i'll stop now until i can't count higher then 2, or get that free zope book
:)

what say others?



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[Zope] acl_users glitch?

2000-12-08 Thread Anthony Monta

Is anyone else running into this problem with 2.2.4?  I've created a role 
called "Faculty" that has all the powers of "Manager" except "Change 
Permissions."  However, when a user with this role tries to open an 
acl_users folder (say, in a subfolder) while using the management screen, 
there's a long delay... and then a message appears saying "There are no 
transactions that can be undone."  What could be the problem?

Cheers,
Anthony

Dr. A. B. Monta
Coordinator of Curricular Assessment  Academic Reporting
Louisiana Board of Regents
150 Third Street, Suite 129
Baton Rouge, LA 70801-1389
225.342.4253, ext. 143
[EMAIL PROTECTED]


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[Zope] security - am I going crazy ?

2000-12-08 Thread Aleksander Salwa


Few days ago I found that on site that I'm currently working on,
everybody can add DTMLMethods and Documents (and maybe do more, I haven't
checked yet, but I think it's bad enough !) by simply entering URL
http://www.mysite.com/manage_addDTMLMethod?id=q1title=qq1file=qqq1

After that Zope sends 'Location' header to redirect user to 'manage_main'.
That (manage_main) causes 'Unauthorized' exception.
But that object 'q1' was added !!!

I was thinking that it's a bug in Product. (I use LoginManager, LocalFS,
SiteAccess). I decided to upgrade my Zope from 2.2.1 to 2.2.4 and upgrade
all Products (one good thing so far ;)). No success.
So I did fresh install of Zope 2.2.4, without additional Products, with
with brand new Data.fs. Problem persists !
I have default security settings, so Anonymous can't "Add Documents,
Images, and Files".

Of course user can put any DTML in this object - you know the
consequences... (and if the folder where this object is located is owned
by high-privileged user, then this object is owned by that user too
(through acquisition)).
I just checked: I can't add Folders this way.

What's going on ?!? Have I found very big security hole, or just
I'm going crazy ? :(

P.S.
Just take a look at object with id "haveIFoundABug" in root level
of www.zope.org that I created few seconds ago...

[EMAIL PROTECTED]

/--\
| `long long long' is too long for GCC |
\--/


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Re: [Zope] security - am I going crazy ?

2000-12-08 Thread Shane Hathaway

Aleksander Salwa wrote:
 Few days ago I found that on site that I'm currently working on,
 everybody can add DTMLMethods and Documents (and maybe do more, I haven't
 checked yet, but I think it's bad enough !) by simply entering URL
 http://www.mysite.com/manage_addDTMLMethod?id=q1title=qq1file=qqq1

You're right.  It's because of a "legacy" issue.  Here's a quick patch
that plugs the hole:

Index: ProductContext.py
===
RCS file: /cvs-repository/Zope2/lib/python/App/ProductContext.py,v
retrieving revision 1.27
diff -u -r1.27 ProductContext.py
--- ProductContext.py   2000/11/20 15:36:35 1.27
+++ ProductContext.py   2000/12/08 18:46:38
@@ -195,7 +195,7 @@
 else: name=method.__name__
 if not OM.__dict__.has_key(name):
 setattr(OM, name, method)
-setattr(OM, name+'__roles__', pr)
+setattr(OM, method.__name__+'__roles__', pr)
 
 if type(initial) is tt: name, initial = initial
 else: name=initial.__name__  

This is not perfect, however.  I'm working on a better solution.

Shane

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[Zope] Failed upgrade to 2.2.4 - solutions?

2000-12-08 Thread Luke Tymowski

Hello,

I've just tried and failed to upgrade to 2.2.4 from 2.2.2.  A python 
instance  starts up and slowly swallows the CPU,  ending with 99% of the 
CPU. A second python instance starts and doesn't do anything naughty.

If I issue a ./stop, the second python instance ends properly, but the 
first continues to consume all CPU resources.

I've tried recompiling it several times, reinstalling Python, but no go. 
It did once start up properly, but as soon as I tried logging into Zope, 
python took over the CPU.

I'm using OpenBSD 2.8, python 1.5.2, x86, 196MB of RAM, GBs of free disk 
space.

I've been using Zope since 2.0 and have never had this much trouble 
upgrading.  the only Zope product I'm using is SiteAccess (the same 
setup as the old Zope.org before the cluster upgrade).

Any ideas?

thanks,

Luke


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Re: [Zope] Failed upgrade to 2.2.4 - solutions?

2000-12-08 Thread Michel Pelletier



On Fri, 8 Dec 2000, Luke Tymowski wrote:

 Hello,
 
 I've just tried and failed to upgrade to 2.2.4 from 2.2.2.  A python 
 instance  starts up and slowly swallows the CPU,  ending with 99% of the 
 CPU. A second python instance starts and doesn't do anything naughty.
 
 If I issue a ./stop, the second python instance ends properly, but the 
 first continues to consume all CPU resources.
 
 I've tried recompiling it several times, reinstalling Python, but no go. 
 It did once start up properly, but as soon as I tried logging into Zope, 
 python took over the CPU.
 
 I'm using OpenBSD 2.8, python 1.5.2, x86, 196MB of RAM, GBs of free disk 
 space.
 
 I've been using Zope since 2.0 and have never had this much trouble 
 upgrading.  the only Zope product I'm using is SiteAccess (the same 
 setup as the old Zope.org before the cluster upgrade).
 
 Any ideas?

Try turning on the profiler.  Quothe the control panel:

  To enable profiling, restart the Zope process with the environment
  variable PROFILE_PUBLISHER defined. The value of this variable should be
  the full system path to a file that will be used to dump a profile report
  when the process restarts or exits.

And kill the process.  Maybe this will create a profile report that tells
you where it's spinning.

Are you sure your waiting long enough?  If you have a large Data.fs and you
just move it over to a new install, Zope needs to take some time to build
the initial database index file.

-Michel


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[Zope] Adding users to acl_users

2000-12-08 Thread Mike Kelland



Hi everyone, 

I tried to add the manage_users thing that someone 
referred me to (sorry that I don't remember who) and got the following 
error:

Error Type: KeyErrorError Value: 
__cmp__

my code is as follows:

table width="600" border="0" cellpadding="3" 
cellspacing="1"tr class="one"td style="text-align:left" 
colspan="2"User Name: brinput 
name="name"/td/tr

tr class="two"td 
style="text-align:left"Password:brinput 
name="password"/tdtd 
style="text-align:left"Confirm Password: brinput 
name="confirm"/td/tr

tr class="one" td 
style="text-align:left" colspan="2"Role: brSELECT 
NAME="roles:list" SIZE="5" 
MULTIPLE OPTION 
VALUE="Manager"Manager 
OPTION VALUE="Owner"Owner 
OPTION VALUE="User"User/SELECTbrINPUT 
TYPE="TEXT" NAME="domains:tokens" VALUE="" 
SIZE="40"/td/tr

tr class="two"td 
colspan="2"input type="submit" name="submit" 
value="Add"/table
-END-
to get the information and I'm using the 
code:

dtml-with acl_usersdtml-call 
expr="manage_users(REQUEST)"/dtml-with
to process it. I've taken the code pretty 
much directly from the acl_users folder's Add form... Anyone know what's 
going on? 

Thanks again for everyone's help. The 
_.str(date) thing worked perfectly with my Access date problem... 

Mike Kelland
[EMAIL PROTECTED]



[Zope] image resize

2000-12-08 Thread Leichtman, David J


Is there a way to do a dynamic image resize in Zope? I know PHP has that
ability, and I was hoping that Zope had something similar.
And I'm not talking about height and width atributes in the img tag. I mean
actually creating, on-the-fly, a new duplicate of the image that's a
different size.

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Re: [Zope] strange ZClass method problem

2000-12-08 Thread Bill Anderson

Didier Georgieff wrote:
 
 Hello,
 
 * I have 2 Folders (Yihaw ZClass instances)
 * both folders have News objects (cataloged)
 
 I put the news on the front page via (this is taken from Yihaw, simplified for the
 demonstation, but still have the problem) this code
 
 dtml-in "Catalog(
   meta_type='Yihaw News Item',
   sort_on='bobobase_modification_time',
   sort_order='reverse')" size=30 start=query_start
 
 dtml-with "Catalog.getobject(data_record_id_)"
  dtml-var absolute_url html_quote -
  dtml-var title_or_id html_quotebr
 /dtml-with
 
 /dtml-in
 
 Problem is that some news items are OK and some raise an exeption on dtml-var
 title_or_id told to be missing (!!??)
 
 It puzzle me because all news items are same ZClass instance and can be accesed
 normally via the zope interface, or directly, works well on view etc ...


Did you index title_or_id in the catalog? When you do a search on a
catalog, you only have the variables that you indexed available, as you
are working out of the catalog, not the actual object.

Bill


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Re: [Zope] acl_users glitch?

2000-12-08 Thread Shane Hathaway

Anthony Monta wrote:
 
 Is anyone else running into this problem with 2.2.4?  I've created a role
 called "Faculty" that has all the powers of "Manager" except "Change
 Permissions."  However, when a user with this role tries to open an
 acl_users folder (say, in a subfolder) while using the management screen,
 there's a long delay... and then a message appears saying "There are no
 transactions that can be undone."  What could be the problem?

1) You have a lot of old transactions.  Zope scans through all
transactions, looking for something that can be undone from the given
context.  If there aren't any, it will end up scanning the entire
database.

2) The user is not allowed (because of security settings) to access the
other tabs normally available, so Zope shows you the first available
tab: undo.

This is not specific to 2.2.4.

Does this user have the correct permissions *in the context of the user
folder*?

Shane

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[Zope] strange ZClass method problem

2000-12-08 Thread Didier Georgieff

Hello,

* I have 2 Folders (Yihaw ZClass instances)
* both folders have News objects (cataloged)

I put the news on the front page via (this is taken from Yihaw, simplified for the 
demonstation, but still have the problem) this code

dtml-in "Catalog(
  meta_type='Yihaw News Item',
  sort_on='bobobase_modification_time',
  sort_order='reverse')" size=30 start=query_start

dtml-with "Catalog.getobject(data_record_id_)"
 dtml-var absolute_url html_quote - 
 dtml-var title_or_id html_quotebr
/dtml-with

/dtml-in

Problem is that some news items are OK and some raise an exeption on dtml-var 
title_or_id told to be missing (!!??)

It puzzle me because all news items are same ZClass instance and can be accesed 
normally via the zope interface, or directly, works well on view etc ...

An other strange thing is when i supress the html_quote option, an authentication 
windows show up and gives an other traceback (see below).

So when i put the missing option, to the dtml-var title_or_id it works well except 
nothing shows on the  dtml-var title_or_id, and the right absolute_url is 
correctly 
shown for ALL the news item (including the b"bad" ones.

In the context of both Yihaw Folder i have access content, view authorisation and view 
(via a local role).

Only difference is :
* in the folder with problem
access content, view authorisation, view are given by hand at this level (without 
permission acquisition for those 3 for anonymous restriction)
* in the folder without problem
it's acquired from above (no anonymoiyus restriction)

It happens even when i'm "manager".

So i suspect some strange security problem, or more sure something i didn't 
understood on the acquisition/security machinery.
And I'm not sure if it has relation with the fact those items are custom ZClass 
instances

I hope this was clear and not too cryptic.

The 2 traceback :

1- WITHOUT html_quote

Unauthorized
You are not authorized to access title_or_id. 
Traceback (innermost last):
  File /zope/2-2-2/lib/python/ZPublisher/Publish.py, line 222, 
in publish_module
  File /zope/2-2-2/lib/python/ZPublisher/Publish.py, line 187, 
in publish
  File /zope/2-2-2/lib/python/ZPublisher/Publish.py, line 171, 
in publish
  File /zope/2-2-2/lib/python/ZPublisher/mapply.py, line 160, 
in mapply
(Object: yihaw_test1)
  File /zope/2-2-2/lib/python/ZPublisher/Publish.py, line 112, 
in call_object
(Object: yihaw_test1)
  File /zope/2-2-2/lib/python/OFS/DTMLMethod.py, line 172, in 
__call__
(Object: yihaw_test1)
  File /zope/2-2-2/lib/python/DocumentTemplate/DT_String.py, 
line 528, in __call__
(Object: yihaw_test1)
  File /zope/2-2-2/lib/python/DocumentTemplate/DT_In.py, line 
611, in renderwb
(Object: Catalog(meta_type='Yihaw News Item',
  sort_on='bobobase_modification_time',
  sort_order='reverse'))
  File /zope/2-2-2/lib/python/DocumentTemplate/DT_With.py, 
line 146, in render
(Object: Catalog.getobject(data_record_id_))
  File /zope/2-2-2/lib/python/OFS/DTMLMethod.py, line 194, in 
validate
(Object: yihaw_test1)
  File /zope/2-2-
2/lib/python/AccessControl/SecurityManager.py, line 139, in 
validate
  File /zope/2-2-
2/lib/python/AccessControl/ZopeSecurityPolicy.py, line 209, in 
validate
Unauthorized: (see above)


2 - WITH html_quote
KeyError
Sorry, a Zope error occurred.

Traceback (innermost last):
  File /zope/2-2-2/lib/python/ZPublisher/Publish.py, line 222, 
in publish_module
  File /zope/2-2-2/lib/python/ZPublisher/Publish.py, line 187, 
in publish
  File /zope/2-2-2/lib/python/Zope/__init__.py, line 221, in 
zpublisher_exception_hook
(Object: ApplicationDefaultPermissions)
  File /zope/2-2-2/lib/python/ZPublisher/Publish.py, line 171, 
in publish
  File /zope/2-2-2/lib/python/ZPublisher/mapply.py, line 160, 
in mapply
(Object: yihaw_test1)
  File /zope/2-2-2/lib/python/ZPublisher/Publish.py, line 112, 
in call_object
(Object: yihaw_test1)
  File /zope/2-2-2/lib/python/OFS/DTMLMethod.py, line 172, in 
__call__
(Object: yihaw_test1)
  File /zope/2-2-2/lib/python/DocumentTemplate/DT_String.py, 
line 528, in __call__
(Object: yihaw_test1)
  File /zope/2-2-2/lib/python/DocumentTemplate/DT_In.py, line 
611, in renderwb
(Object: Catalog(meta_type='Yihaw News Item',
  sort_on='bobobase_modification_time',
  sort_order='reverse'))
  File /zope/2-2-2/lib/python/DocumentTemplate/DT_With.py, 
line 146, in render
(Object: Catalog.getobject(data_record_id_))
  File /zope/2-2-2/lib/python/DocumentTemplate/DT_Var.py, line 
276, in render
(Object: title_or_id)
KeyError: title_or_id

--
Didier Georgieff
DDAF du Bas-Rhin - Cellule SIG 
2, rue des Mineurs 67070 Strasbourg Cedex
tél : 03.88.25.20.33 - fax : 03.88.25.20.01
email : [EMAIL PROTECTED]
SIT du Bas-Rhin : http://www.bas-rhin.sit.gouv.fr
GéoWeb http://sertit10.u-strasbg.fr

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Re: [Zope] security - am I going crazy ?

2000-12-08 Thread Aleksander Salwa

On Fri, 8 Dec 2000, Shane Hathaway wrote:

 You're right.  It's because of a "legacy" issue.  Here's a quick patch
 that plugs the hole:
 
[...]
 
 This is not perfect, however.  I'm working on a better solution.

Thanks a lot !
It works for me.

[EMAIL PROTECTED]

/--\
| `long long long' is too long for GCC |
\--/



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Re: [Zope] persistence and dictionaries

2000-12-08 Thread Chris McDonough

Huh.  If they do, it's by chance only.  I'd be hard-pressed to explain it.

Do they inherit from *anything*?

- Original Message -
From: "Matt" [EMAIL PROTECTED]
To: "Chris McDonough" [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Friday, December 08, 2000 2:30 PM
Subject: Re: [Zope] persistence and dictionaries


 Chris, this was my original confusion  the two places below where you
say

 "You can put instances which do not inherit from Persistence.Persistent in
 your database.  They just won't "stick".  They'll hang around until the
 server is restarted or for an undetermined amount of time during normal
 operations."

 "No.  It'll work for "a while" or until the server is restarted.  :-)"

 actually do persist after restarts ... that's what confused me, they
wouldn't
 go away and they should!!

 regards
 Matt

 Chris McDonough wrote:

   Thanks for the reply, that is really useful.  There are a couple of
things
   though that still don't add up.  Firstly, you say below, as do all the
  ZODB
   documents that "Custom" classes can certainly persist, they just need
to
  mix in
   the "Persistence.Persistent" class as a base class.  Well, in my
example I
   attached in my first email, my product certainly has
  Persistence.Persistent,
   but my second class that I add to this one does not, yet it still
  persists.
   There was an email sometime ago on the mailing list that told someone
that
  this
   was why their product instances disappearing from the ZODB.
   (the ref for the original email is :
  http://www.egroups.com/message/zope/44263
   ... I can't find the reply again.)
  
 
  You can put instances which do not inherit from Persistence.Persistent
in
  your database.  They just won't "stick".  They'll hang around until the
  server is restarted or for an undetermined amount of time during normal
  operations.
 
   So my current understanding would be that any classes you want to add
in
  do not
   need to derive from Persistence.Persistent, and if it is pickleable
then
  all
   should be fine if you call on instances of that object within you
product.
 
  No.  It'll work for "a while" or until the server is restarted.  :-)
 
   The next part that worried me came from the "python product tutorial"
   http://www.zope.org/Members/hathawsh/PythonProductTutorial
  
   This stated that the class dictionary self.votes = {} needed to be
changed
  to
   self._votes = Globals.PersistentMapping()  so that updates to it
persist.
   Hence my query about dictionaries.
 
  This was for convenience, I'd imagine.
 
I also noticed your comment about __setstate__ .  What is it about
this
  that is
   dangerous.
 
  Nothing implicitly dangerous, but it can get confusing if you have
multiple
  revisions of your product and you use variables caused by __setstate__.
  Also, once you add a __setstate__ which modifies the object in-place,
  there's a likelihood that it can never go away (you're can never be sure
if
  all instances have been updated).
 
   Recently I built a product out of some python classes I wrapped
   around 4DOM, and since 4DOM documents do not seem to persist(well the
  document
   does, but it loses all its children), then I persisted them to the
local
  file
   system, since I needed to do that anyway for what I was doing.
Setstate
  seemed
   to work nicely to bring them back, though watching its behaviour I
noticed
  that
   it was called very often by zope.
 
  Sure, that works... although at that point you're creating your own
object
  database.  :-)
 
  
   Chris McDonough wrote:
  
All pickleable Python primitive types (strings, dictionaries, lists,
  Nones,
integers, floats, longs, etc.) can live in the ZODB.  They can
persist
  just
like instances that inherit from the Persistent class.
   
I think you read a little too much in to the fact that you need to
  "treat
mutable objects immutably" when working with them in the ZODB.  This
statement doesn't mean that these kinds of objects can't be saved in
the
ZODB, it just means you need to treat them specially when putting
them
  in
the database.
   
For instance, if you were doing this inside of an external method:
   
def amethod(self):
   self.mydict = {}
   self.mydict['a'] = 1
   
(where self is the persistent object that is usually the external
  method's
"container")
   
It wouldn't work as you expected.  Although you'd see an 'a' in
mydict
  for a
little while in further accesses to it, 'mydict' would eventaully
show
  up as
an empty dictionary on the first access of it after it was expired
from
  the
RAM cache (after it was 'ghosted'), because the last thing that the
ZODB
"saw" (via the __setattr__ on 'self' and a subsequent transaction)
was
  you
setting a empty dictionary.
   
Persistent objects (like "self" in the above example) are only smart
  enough
to notice changes to themselves that happen through their
__setattr__
  (e.g.
   

Re: [Zope] Zope 2.2.4 dying under Solaris 2.6

2000-12-08 Thread Michael Best

I'd like to thank everyone for the suggestions, we do have a C/Python
inhouse product that is attached to this Zope.

With the suggestions that were mentioned I should be able to confirm if
that is the source of the problem fairly shortly.  It is currently my
number one culprit.  I will have to get our developer to look at the
code for that soon.

-Mike

Tres Seaver wrote:
 
 Michael Best [EMAIL PROTECTED] wrote:
 
  I have had Zope 2.0.1, Zope 2.1.6 and Zope 2.2.4 running on Solaris 2.6
  and inexplicably, every so often (no definiate amount of time) the Zope
  dies.
 
  Any ideas?
 
  --
  A typical entry from STUPID_LOG is:
  2000-12-07T18:23:22 ERROR(200) zdaemon zdaemon: Thu Dec  7 11:23:22
  2000: Aiieee! 17564 exited with error code: 11
  --
 
 Error code 11 is almost certainly a SEGFAULT, which would typically
 mean a pointer bug in a "C" extension.  Can you arrange to get a
 core file created, and use xdb/gdb to figure out what code was running
 when the bug juice squirted?
 
 At a higher level, what add-on products are you using with Zope?
 
 Tres.


-- 
Michael Best
Systems Administrator   ph 780-413-6397 x230
Emergence By Designfax 780-433-7548
#200, 11209 Jasper Avenue toll 866-860-2666
Edmonton, Alberta, T5K 0L5

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Re: [Zope] image resize

2000-12-08 Thread J. Atwood

Check out Zphoto on Zope.org..

http://www.zope.org/Members/Drew/Photo

J

At 1:42 PM -0600 12/8/2000, Leichtman, David J wrote:
Is there a way to do a dynamic image resize in Zope? I know PHP has that
ability, and I was hoping that Zope had something similar.
And I'm not talking about height and width atributes in the img tag. I mean
actually creating, on-the-fly, a new duplicate of the image that's a
different size.

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[Zope] SECURITY alert and hotfix release

2000-12-08 Thread Brian Lloyd

Hi all,

  Aleksander Salwa has brought a security issue to our attention
  that affects all Zope versions up to and including Zope 2.2.4.
  We have released a Hotfix product to address the issue that can
  be downloaded from zope.org. (Thanks to Aleksander for finding
  this and to Shane Hathaway for his quick response in resolving
  it!)

  The issue involves security registration of "legacy" names for
  certain object constructors such as the constructors for DTML
  Method objects. Security was not being applied correctly for the
  legacy names, making it possible to call those constructors without
  the permissions that should have been required. This issue could allow
  anonymous users with enough internal knowledge of Zope to instantiate
  new DTML Method instances through the Web.

  The hotfix for this issue is available on the zope.org web site:

o
http://www.zope.org/Products/Zope/Hotfix_2000-12-08/Hotfix_2000-12-08.tgz

  We *highly* recommend that any Zope site running versions of
  Zope up to and including 2.2.4  have this hotfix product installed
  to mitigate the issue.

  The hotfix will work for all versions of Zope 2.2.0 and higher. A
  future version of Zope will contain the fix for this
  issue, and you will be able to uninstall the hot fix after upgrading.


Brian Lloyd[EMAIL PROTECTED]
Software Engineer  540.371.6909
Digital Creations  http://www.digicool.com




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[Zope] NIST meeting: Defining Standard, Scriptable Objects forCAD/CAE/CAM/PDMCAD/CAE/CAM/PDM

2000-12-08 Thread Steve Waterbury

"Defining Standard, Scriptable Objects for CAD/CAE/CAM/PDM"

Date:  December 13th 
Time:  10:00 AM - 4:00 PM
Location:  NIST, Building 225, Room A54
   - for directions and maps to NIST, see:
http://www.nist.gov/public_affairs/maps/nistmaps.html

* If you plan to come, you MUST contact Michael McLay, so that 
we are sure that the meeting room space is adequate:

   mailto:[EMAIL PROTECTED]
   - or call 301-975-4099

Background:

Roughly, PDM ("Product  Data  Management")  does for  CAD/CAE/CAM
models and related  objects  what Zope does for the objects  that
need to be managed in a typical Web site (HTML docs, etc.).

Problem Statement

The problem is to find an open  architecture  for integrating and
managing the configuration of  computer-aided  design,  analysis,
and manufacturing (CAD/CAE/CAM) tools, models, and data.

The purpose of the meeting is to  evaluate  technologies,  try to
define an approximate  roadmap for building an open architecture,
and establish a ROM guess of (1) how much work may be required to
implement  the  architecture  components  and  (2)  the  cost  of
developing and maintaining an instance of the architecture for an
engineering organization.

Agenda:

  * Engineering Tool/Data Integration Requirements
Steve Waterbury/NASA

  * GenCAM: a Standard API for Electronic Manufacturing Data
Michael McLay/NIST

  * The MEMS Exchange: Python and ZODB for Management of Complex Objects
Andrew Kuchling/CNRI

  * The CADScript/IScript Architecture (and Demo)
Doug Cheney/International TechneGroup, Inc.

  * Python and Zope: Architectures and Directions
Barry Warsaw/Python Labs

  * Group discussion
- How to incorporate interfaces to Python and Zope components 
  such as ZODB into a standard PDM architecture
- What enhancements to ZODB, ZCatalog, ZPatterns, etc., can 
  address functionality and interfaces needed for general PDM
- Which pieces of the architecture make the most sense as open 
  source products, which ones are most logical as commercial 
  products, and what interfaces should be standardized to 
  enable open source and commercial products to interoperate.  

Cheers,
-- Steve Waterbury
   NASA/Goddard Space Flight Center.

   oo _\o
\/\ \
  /
 oo _
"Sometimes you're the windshield; sometimes you're the bug."
- Knopfler

Stephen C. Waterbury   Component Technologies
Code 562, NASA/GSFC  and Radiation Effects Branch
Greenbelt, MD 20771   Engineering Web/Database Specialist
Tel: 301-286-7557  FAX:  301-286-1695
WWW:  http://misspiggy.gsfc.nasa.gov/people/waterbug.html
_

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Re: [Zope] Failed upgrade to 2.2.4 - solutions?

2000-12-08 Thread Michel Pelletier



On Fri, 8 Dec 2000, Luke Tymowski wrote:

 Hello
 
To enable profiling, restart the Zope process with the environment
variable PROFILE_PUBLISHER defined. The value of this variable should be
the full system path to a file that will be used to dump a profile report
when the process restarts or exits.
 
 PROFILE_PUBLISHER='/home/luke/sw/zopeProfile.txt'
 
 like so in my z2.py? it didn't do anything.

Nope, you need to set a process environment variable on your system, not
a python variable in your module. You do this before
staring Zope, you can do it in a start script (syntax depends on your
shell) you can do it from z2.py with os.eviron:

http://www.python.org/doc/current/lib/os-procinfo.html

Or you can do something like:

bash$: export PROFILE_PUBLISHER=/home/luke/sw/zopeProfile.txt
bash$: python z2.py -D

or something of the like...

  But I can get a python core dump!
 
 I tried just a basic install, without my Data.fs. Same result.
 I tried 2.2.2. Same result.
 
 Looks like an incompatibility with OpenBSD 2.8 (I was running 2.7 until 
 2 weeks ago.)
 
 Any ideas? C-compiler or Python incompatibility between what is on 
 OpenBSD 2.8 and Zope?

Don't know...

 
 OpenBSD 2.8 comes with Python 1.6. I removed all traces of Python and 
 reinstalled 1.52 from the source.

It's possible you have library missmatch.

-Michel


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Re: [Zope] persistence and dictionaries

2000-12-08 Thread Matt

Chris, this was my original confusion  the two places below where you say

"You can put instances which do not inherit from Persistence.Persistent in
your database.  They just won't "stick".  They'll hang around until the
server is restarted or for an undetermined amount of time during normal
operations."

"No.  It'll work for "a while" or until the server is restarted.  :-)"

actually do persist after restarts ... that's what confused me, they wouldn't
go away and they should!!

regards
Matt

Chris McDonough wrote:

  Thanks for the reply, that is really useful.  There are a couple of things
  though that still don't add up.  Firstly, you say below, as do all the
 ZODB
  documents that "Custom" classes can certainly persist, they just need to
 mix in
  the "Persistence.Persistent" class as a base class.  Well, in my example I
  attached in my first email, my product certainly has
 Persistence.Persistent,
  but my second class that I add to this one does not, yet it still
 persists.
  There was an email sometime ago on the mailing list that told someone that
 this
  was why their product instances disappearing from the ZODB.
  (the ref for the original email is :
 http://www.egroups.com/message/zope/44263
  ... I can't find the reply again.)
 

 You can put instances which do not inherit from Persistence.Persistent in
 your database.  They just won't "stick".  They'll hang around until the
 server is restarted or for an undetermined amount of time during normal
 operations.

  So my current understanding would be that any classes you want to add in
 do not
  need to derive from Persistence.Persistent, and if it is pickleable then
 all
  should be fine if you call on instances of that object within you product.

 No.  It'll work for "a while" or until the server is restarted.  :-)

  The next part that worried me came from the "python product tutorial"
  http://www.zope.org/Members/hathawsh/PythonProductTutorial
 
  This stated that the class dictionary self.votes = {} needed to be changed
 to
  self._votes = Globals.PersistentMapping()  so that updates to it persist.
  Hence my query about dictionaries.

 This was for convenience, I'd imagine.

   I also noticed your comment about __setstate__ .  What is it about this
 that is
  dangerous.

 Nothing implicitly dangerous, but it can get confusing if you have multiple
 revisions of your product and you use variables caused by __setstate__.
 Also, once you add a __setstate__ which modifies the object in-place,
 there's a likelihood that it can never go away (you're can never be sure if
 all instances have been updated).

  Recently I built a product out of some python classes I wrapped
  around 4DOM, and since 4DOM documents do not seem to persist(well the
 document
  does, but it loses all its children), then I persisted them to the local
 file
  system, since I needed to do that anyway for what I was doing.  Setstate
 seemed
  to work nicely to bring them back, though watching its behaviour I noticed
 that
  it was called very often by zope.

 Sure, that works... although at that point you're creating your own object
 database.  :-)

 
  Chris McDonough wrote:
 
   All pickleable Python primitive types (strings, dictionaries, lists,
 Nones,
   integers, floats, longs, etc.) can live in the ZODB.  They can persist
 just
   like instances that inherit from the Persistent class.
  
   I think you read a little too much in to the fact that you need to
 "treat
   mutable objects immutably" when working with them in the ZODB.  This
   statement doesn't mean that these kinds of objects can't be saved in the
   ZODB, it just means you need to treat them specially when putting them
 in
   the database.
  
   For instance, if you were doing this inside of an external method:
  
   def amethod(self):
  self.mydict = {}
  self.mydict['a'] = 1
  
   (where self is the persistent object that is usually the external
 method's
   "container")
  
   It wouldn't work as you expected.  Although you'd see an 'a' in mydict
 for a
   little while in further accesses to it, 'mydict' would eventaully show
 up as
   an empty dictionary on the first access of it after it was expired from
 the
   RAM cache (after it was 'ghosted'), because the last thing that the ZODB
   "saw" (via the __setattr__ on 'self' and a subsequent transaction) was
 you
   setting a empty dictionary.
  
   Persistent objects (like "self" in the above example) are only smart
 enough
   to notice changes to themselves that happen through their __setattr__
 (e.g.
   self.mydict = {} calls self's __setattr__).  Mutating the attribute
 'mydict'
   above "in-place" (via self.mydict['a'] = 1) does not trigger self's
   __setattr__, so the ZODB never notices that "mydict" got changed.
  
   There are two ways to handle this.  The first is to treat mutable
 attributes
   "immutably" via assigning to a temporary variable and then making sure
 the
   persistent container's __setattr__ gets called:
  
   

[Zope] Applying hotfix to running zope

2000-12-08 Thread Oliver Sturm

Hi,

is there a way to apply a patch like the current hotfix product to a
running zope without restarting the process?

MfG, 
Oliver Sturm

-- 
GUI (gooey): What your computer becomes after spilling your coffee on it.
-- 
Oliver Sturm / [EMAIL PROTECTED]

Key ID: 71D86996
Fingerprint: 8085 5C52 60B8 EFBD DAD0  78B8 CE7F 38D7 71D8 6996



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Re: [Zope] Applying hotfix to running zope

2000-12-08 Thread Shane Hathaway

Oliver Sturm wrote:
 is there a way to apply a patch like the current hotfix product to a
 running zope without restarting the process?

It might be possible with some future hotfixes, but not this one, since
it modifies the initialization procedure.

Shane

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Re: [Zope] Re: [Zope-Annce] SECURITY alert and hotfix release

2000-12-08 Thread Shane Hathaway

Andrew Kuchling wrote:
 
 On Fri, Dec 08, 2000 at 03:48:52PM -0500, Brian Lloyd wrote:
   The hotfix will work for all versions of Zope 2.2.0 and higher. A
   future version of Zope will contain the fix for this
   issue, and you will be able to uninstall the hot fix after upgrading.
 
 A slight modification to the patch makes it work (meaning, "run
 without raising an exception") on Zope 2.1.6; patch below.  Can
 someone at DC confirm that this patched version fixes the problem for
 2.1.x and doesn't break anything else?  (If you want to privately send
 me an exploit, that would be quite helpful.)

AFAICT 2.1.6 is not vulnerable.

Shane

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Re: [Zope] persistence and dictionaries

2000-12-08 Thread Matt

Ok, here are some of the offending bits out of my boringplus product
 which I can send again if people want.  I have
another product that keeps a dictionary of cookies so I can see how many
times someone uses the back button to
access the same forms page again.  This worked as expected, where I had
to issue an _p_changed=1 to get them to
persist.  But I am doing a similar thing below, or so I thought, once
with a dictionary in the product and once in a
dictionary within a class that does not inherit Persistent.  This is
what is confusing.  Through restarts etc, everything
perisists


class Boring(
OFS.SimpleItem.Item,   # A simple Principia object. Not Folderish.
Persistent,# Make us persistent. Yaah!
Acquisition.Implicit,  # Uh, whatever.
AccessControl.Role.RoleManager # Security manager.
):


def __init__(self, id, title=''):
 self._things = {}
 self._more = myClass.MoreStuff()


def manage_edit(self, title, REQUEST=None):
   if REQUEST is not None:
  if REQUEST.has_key('thing'):
 self._things[REQUEST['thing']] = REQUEST['thing_value']
  self.addToMore(REQUEST['thing'],REQUEST['thing_value'])


def addToMore(self,name,value):
self._more.addStuff(name,value)
return ""


class MoreStuff:

def __init__(self):
self._stuff = {'animal':'monkey'}

def addStuff(self,stuff_name,stuff_item):


On Sat, 09 Dec 2000, Jonothan Farr wrote:
 Maybe I'm mistaken, but it seems like you can put an instance of an
object that
 doesn't inherit from Persistent into the ZODB just fine, but its
contents won't
 persist, so you'll always end up with a copy of the object as it was
first added
 to the database.

 --jfarr

 - Original Message -
 From: "Chris McDonough" [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Cc: [EMAIL PROTECTED]
 Sent: Friday, December 08, 2000 11:57 AM
 Subject: Re: [Zope] persistence and dictionaries


  Huh.  If they do, it's by chance only.  I'd be hard-pressed to
explain it.
 
  Do they inherit from *anything*?
 
  - Original Message -
  From: "Matt" [EMAIL PROTECTED]
  To: "Chris McDonough" [EMAIL PROTECTED]
  Cc: [EMAIL PROTECTED]
  Sent: Friday, December 08, 2000 2:30 PM
  Subject: Re: [Zope] persistence and dictionaries
 
 
   Chris, this was my original confusion  the two places below
where you
  say
  
   "You can put instances which do not inherit from
Persistence.Persistent in
   your database.  They just won't "stick".  They'll hang around
until the
   server is restarted or for an undetermined amount of time during
normal
   operations."
  
   "No.  It'll work for "a while" or until the server is restarted.
:-)"
  
   actually do persist after restarts ... that's what confused me,
they
  wouldn't
   go away and they should!!
  
   regards
   Matt
  
   Chris McDonough wrote:
  
 Thanks for the reply, that is really useful.  There are a
couple of
  things
 though that still don't add up.  Firstly, you say below, as do
all the
ZODB
 documents that "Custom" classes can certainly persist, they
just need
  to
mix in
 the "Persistence.Persistent" class as a base class.  Well, in
my
  example I
 attached in my first email, my product certainly has
Persistence.Persistent,
 but my second class that I add to this one does not, yet it
still
persists.
 There was an email sometime ago on the mailing list that told
someone
  that
this
 was why their product instances disappearing from the ZODB.
 (the ref for the original email is :
http://www.egroups.com/message/zope/44263
 ... I can't find the reply again.)

   
You can put instances which do not inherit from
Persistence.Persistent
  in
your database.  They just won't "stick".  They'll hang around
until the
server is restarted or for an undetermined amount of time during
normal
operations.
   
 So my current understanding would be that any classes you want
to add
  in
do not
 need to derive from Persistence.Persistent, and if it is
pickleable
  then
all
 should be fine if you call on instances of that object within
you
  product.
   
No.  It'll work for "a while" or until the server is restarted.
:-)
   
 The next part that worried me came from the "python product
tutorial"
 http://www.zope.org/Members/hathawsh/PythonProductTutorial

 This stated that the class dictionary self.votes = {} needed
to be
  changed
to
 self._votes = Globals.PersistentMapping()  so that updates to
it
  persist.
 Hence my query about dictionaries.
   
This was for convenience, I'd imagine.
   
  I also noticed your comment about __setstate__ .  What is it
about
  this
that is
 dangerous.
   
Nothing implicitly dangerous, but it can get confusing if you
have
  multiple
revisions of your product and you use variables caused by
__setstate__.
Also, once you add a __setstate__ which modifies the object
in-place,

Re: [Zope] Disabling Services : WebDAV

2000-12-08 Thread ethan mindlace fremen

Chris Withers wrote:


 Great :-(
 
 Any other way to turn WebDAV off? Not sure about Zopes supprot and not
 sure if I like the protocol on production servers anyway ;-)

As I'm sure someone has explained, WebDAV is just HTTP on crack.  HTTP 
requests go like so:

GET / HTTP/1.0

Webdav requests are *exactly the same* except sometimes it has something 
in lieu of 'GET'.

~ethan


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Re: [Zope] Failed upgrade to 2.2.4 - solutions?

2000-12-08 Thread Luke Tymowski

Hello

   To enable profiling, restart the Zope process with the environment
   variable PROFILE_PUBLISHER defined. The value of this variable should be
   the full system path to a file that will be used to dump a profile report
   when the process restarts or exits.

PROFILE_PUBLISHER='/home/luke/sw/zopeProfile.txt'

like so in my z2.py? it didn't do anything.
But I can get a python core dump!

I tried just a basic install, without my Data.fs. Same result.
I tried 2.2.2. Same result.

Looks like an incompatibility with OpenBSD 2.8 (I was running 2.7 until 
2 weeks ago.)

Any ideas? C-compiler or Python incompatibility between what is on 
OpenBSD 2.8 and Zope?

OpenBSD 2.8 comes with Python 1.6. I removed all traces of Python and 
reinstalled 1.52 from the source.

Luke


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Re: [Zope] persistence and dictionaries

2000-12-08 Thread Jonothan Farr

Maybe I'm mistaken, but it seems like you can put an instance of an object that
doesn't inherit from Persistent into the ZODB just fine, but its contents won't
persist, so you'll always end up with a copy of the object as it was first added
to the database.

--jfarr

- Original Message -
From: "Chris McDonough" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Friday, December 08, 2000 11:57 AM
Subject: Re: [Zope] persistence and dictionaries


 Huh.  If they do, it's by chance only.  I'd be hard-pressed to explain it.

 Do they inherit from *anything*?

 - Original Message -
 From: "Matt" [EMAIL PROTECTED]
 To: "Chris McDonough" [EMAIL PROTECTED]
 Cc: [EMAIL PROTECTED]
 Sent: Friday, December 08, 2000 2:30 PM
 Subject: Re: [Zope] persistence and dictionaries


  Chris, this was my original confusion  the two places below where you
 say
 
  "You can put instances which do not inherit from Persistence.Persistent in
  your database.  They just won't "stick".  They'll hang around until the
  server is restarted or for an undetermined amount of time during normal
  operations."
 
  "No.  It'll work for "a while" or until the server is restarted.  :-)"
 
  actually do persist after restarts ... that's what confused me, they
 wouldn't
  go away and they should!!
 
  regards
  Matt
 
  Chris McDonough wrote:
 
Thanks for the reply, that is really useful.  There are a couple of
 things
though that still don't add up.  Firstly, you say below, as do all the
   ZODB
documents that "Custom" classes can certainly persist, they just need
 to
   mix in
the "Persistence.Persistent" class as a base class.  Well, in my
 example I
attached in my first email, my product certainly has
   Persistence.Persistent,
but my second class that I add to this one does not, yet it still
   persists.
There was an email sometime ago on the mailing list that told someone
 that
   this
was why their product instances disappearing from the ZODB.
(the ref for the original email is :
   http://www.egroups.com/message/zope/44263
... I can't find the reply again.)
   
  
   You can put instances which do not inherit from Persistence.Persistent
 in
   your database.  They just won't "stick".  They'll hang around until the
   server is restarted or for an undetermined amount of time during normal
   operations.
  
So my current understanding would be that any classes you want to add
 in
   do not
need to derive from Persistence.Persistent, and if it is pickleable
 then
   all
should be fine if you call on instances of that object within you
 product.
  
   No.  It'll work for "a while" or until the server is restarted.  :-)
  
The next part that worried me came from the "python product tutorial"
http://www.zope.org/Members/hathawsh/PythonProductTutorial
   
This stated that the class dictionary self.votes = {} needed to be
 changed
   to
self._votes = Globals.PersistentMapping()  so that updates to it
 persist.
Hence my query about dictionaries.
  
   This was for convenience, I'd imagine.
  
 I also noticed your comment about __setstate__ .  What is it about
 this
   that is
dangerous.
  
   Nothing implicitly dangerous, but it can get confusing if you have
 multiple
   revisions of your product and you use variables caused by __setstate__.
   Also, once you add a __setstate__ which modifies the object in-place,
   there's a likelihood that it can never go away (you're can never be sure
 if
   all instances have been updated).
  
Recently I built a product out of some python classes I wrapped
around 4DOM, and since 4DOM documents do not seem to persist(well the
   document
does, but it loses all its children), then I persisted them to the
 local
   file
system, since I needed to do that anyway for what I was doing.
 Setstate
   seemed
to work nicely to bring them back, though watching its behaviour I
 noticed
   that
it was called very often by zope.
  
   Sure, that works... although at that point you're creating your own
 object
   database.  :-)
  
   
Chris McDonough wrote:
   
 All pickleable Python primitive types (strings, dictionaries, lists,
   Nones,
 integers, floats, longs, etc.) can live in the ZODB.  They can
 persist
   just
 like instances that inherit from the Persistent class.

 I think you read a little too much in to the fact that you need to
   "treat
 mutable objects immutably" when working with them in the ZODB.  This
 statement doesn't mean that these kinds of objects can't be saved in
 the
 ZODB, it just means you need to treat them specially when putting
 them
   in
 the database.

 For instance, if you were doing this inside of an external method:

 def amethod(self):
self.mydict = {}
self.mydict['a'] = 1

 (where self is the persistent object that is usually the external
   method's
 "container")

[Zope] Weird ZCatalog problem... bug?

2000-12-08 Thread sean . upton

On my developmet box, I'm using Zope 2.2.1 and ZCatalog to index
ZClass-based classified ad objects; for some reason on sort="title" in the
dtml-in Catalog ... I get inconsistent results.  I perform a search and get
incorrect results.  I then click refresh, get results sorted differently,
then click refresh again, and it's messed up again.  Anyone seen anything
like this?  Thoughts?

Other info about setup:
Globbing vocabulary
Catalog and indexed objects are in BTree folder
ZClasses catalog aware
Other sort= values seem to work.

Here is a DTML snippet...
dtml-var expr="REQUEST.get('fieldsort')"
dtml-in Catalog size=50 start=query_start sort="REQUEST['fieldsort']"
...
/dtml-in

URL looks like
results?title=AdBody=par*WeightWords=fieldsort=titleSUBMIT=Submit+Query

Thanks,
Sean

=
Sean Upton
Senior Programmer/Analyst
SignOnSanDiego.com
The San Diego Union-Tribune
619.718.5241
[EMAIL PROTECTED]
=

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Re: [Zope] Failed upgrade to 2.2.4 - solutions?

2000-12-08 Thread Luke Tymowski

Michel Pelletier wrote:

 bash$: export PROFILE_PUBLISHER=/home/luke/sw/zopeProfile.txt
 bash$: python z2.py -D

Tried that. Nothing written to the text file.
But I did get this after doing a control-c ...

---
File "z2.py", line 537, in ?
Traceback (innermost last):
  File "z2.py", line 719, in ?
   asyncore.loop()
zdaemon.run(sys.argv, os.path.join(CLIENT_HOME, Zpid))
  File "/home/luke/sw/zope224/lib/python/zdaemon.py", line 208, in run
   p,s = os.waitpid(pid, 0)
  File "/home/luke/sw/zope224/ZServer/medusa/asyncore.py", line 138, in loop
KeyboardInterrupt
   luke$ poll_fun (timeout, map)
  File "/home/luke/sw/zope224/ZServer/medusa/asyncore.py", line 66, in poll
   r,w,e = select.select (r,w,e, timeout)
---
With the python 1.5.2 source I did a make test, and it failed on test_fcntl.
With the python 2.0 source I did a make test, and Python core dumped on 
test_poll.

I'm guessing, but it looks like Zope on my box has a poll issue.

 It's possible you have library missmatch.

Python library or C library?

I made pretty certain that I'd removed all traces of Python from the box 
before reinstalling.
/usr/local/bin
/usr/local/lib
/usr/local/include

Luke




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Re: [Zope] Microsoft IIS 4.0 and Zope

2000-12-08 Thread Phil Harris

That's exactly what I do, use Apache and ProxyPass to provide a unified
URLspacebetween IIS and Zope.

Works well!

- Original Message -
From: "Petter Enholm" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Friday, December 08, 2000 3:17 PM
Subject: Re: [Zope] Microsoft IIS 4.0 and Zope


 The easiest thing to do (for me now) is to add Apache as front-end
 web-server for both IIS and Zope. The access to documentation, well tested
 and documented rules for rewriting, lots of HOW-TO's, mailing lists etc
 makes this a good choice  - open source rules!

 Any comments on running Apache as front-end for IIS 4.0 and Zope? I would
 gladly throw out the IIS server, but my customers has software that relies
 on this server.

 Best regards
 Petter Enholm

 - Original Message -
 From: [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Cc: [EMAIL PROTECTED]
 Sent: Friday, December 08, 2000 4:05 PM
 Subject: RE: [Zope] Microsoft IIS 4.0 and Zope


  Hi Petter,
 
  I have the same problem.  Could you tell me if you find a way?  I
  hope someone on this list have an answer!
 
 
 
  -Message d'origine-
  De : Petter Enholm [mailto:[EMAIL PROTECTED]]
  Envoyé : vendredi 8 décembre 2000 07:53
  À : [EMAIL PROTECTED]
  Objet : [Zope] Microsoft IIS 4.0 and Zope
 
 
  Hi,
 
  This may be more of a Microsoft IIS questions than Zope question, but I
 give
  it a shot!
 
  I have installed Zope (on port 8080) on a Windows NT 4.0 server with IIS
  4.0, followed to Howto that explains how to set up PCGI with IIS, and
all
  works very well. I can access Zope through
  http://localhost/scripts/zope.pcgi
 
  Next step: I want to access the Zope site through a given DNS name, f
eks
  www.mydomain.com. How can I do this with IIS 4.0? I find no way to
 redirect
  a virtual host and at the same time rewrite the URL so that the user
gets
  http://www.mydomain.com in the browser, not .../scripts/zope.pcgi.
 
  Anybody out there with knowledge on this issue?
 
  Best regards
 
  Petter Enholm
  Snapper as
 
 
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[Zope] Re: [Zope-Annce] SECURITY alert and hotfix release

2000-12-08 Thread Andrew Kuchling

On Fri, Dec 08, 2000 at 03:48:52PM -0500, Brian Lloyd wrote:
  The hotfix will work for all versions of Zope 2.2.0 and higher. A
  future version of Zope will contain the fix for this
  issue, and you will be able to uninstall the hot fix after upgrading.

A slight modification to the patch makes it work (meaning, "run
without raising an exception") on Zope 2.1.6; patch below.  Can
someone at DC confirm that this patched version fixes the problem for
2.1.x and doesn't break anything else?  (If you want to privately send
me an exploit, that would be quite helpful.)

--amk

--- __init__.py Fri Dec  8 15:25:48 2000
+++ /home/akuchlin/__init__.py  Fri Dec  8 17:09:05 2000
@@ -107,13 +107,14 @@
 # and make sure the roles are set correctly.
 
 import OFS
+from OFS import DTMLMethod, DTMLDocument
 from AccessControl.PermissionRole import PermissionRole
 OM = OFS.ObjectManager.ObjectManager
 
 legacy = (
-('manage_addDocument', OFS.DTMLMethod.addDTMLMethod),
-('manage_addDTMLMethod', OFS.DTMLMethod.addDTMLMethod),
-('manage_addDTMLDocument', OFS.DTMLDocument.addDTMLDocument),
+('manage_addDocument', DTMLMethod.addDTMLMethod),
+('manage_addDTMLMethod', DTMLMethod.addDTMLMethod),
+('manage_addDTMLDocument', DTMLDocument.addDTMLDocument),
 )
 
 permission = 'Add Documents, Images, and Files'

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Re: [Zope] persistence and dictionaries

2000-12-08 Thread Jonothan Farr

Oops. You snipped the contents of MoreStuff.addStuff(). No way to tell what's
going on without that!
--jfarr

- Original Message -
From: "Matt" [EMAIL PROTECTED]
To: "Jonothan Farr" [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Friday, December 08, 2000 2:39 PM
Subject: Re: [Zope] persistence and dictionaries


 Ok, here are some of the offending bits out of my boringplus product
  which I can send again if people want.  I have
 another product that keeps a dictionary of cookies so I can see how many
 times someone uses the back button to
 access the same forms page again.  This worked as expected, where I had
 to issue an _p_changed=1 to get them to
 persist.  But I am doing a similar thing below, or so I thought, once
 with a dictionary in the product and once in a
 dictionary within a class that does not inherit Persistent.  This is
 what is confusing.  Through restarts etc, everything
 perisists


 class Boring(
 OFS.SimpleItem.Item,   # A simple Principia object. Not Folderish.
 Persistent,# Make us persistent. Yaah!
 Acquisition.Implicit,  # Uh, whatever.
 AccessControl.Role.RoleManager # Security manager.
 ):


 def __init__(self, id, title=''):
  self._things = {}
  self._more = myClass.MoreStuff()


 def manage_edit(self, title, REQUEST=None):
if REQUEST is not None:
   if REQUEST.has_key('thing'):
  self._things[REQUEST['thing']] = REQUEST['thing_value']
   self.addToMore(REQUEST['thing'],REQUEST['thing_value'])


 def addToMore(self,name,value):
 self._more.addStuff(name,value)
 return ""


 class MoreStuff:

 def __init__(self):
 self._stuff = {'animal':'monkey'}

 def addStuff(self,stuff_name,stuff_item):


 On Sat, 09 Dec 2000, Jonothan Farr wrote:
  Maybe I'm mistaken, but it seems like you can put an instance of an
 object that
  doesn't inherit from Persistent into the ZODB just fine, but its
 contents won't
  persist, so you'll always end up with a copy of the object as it was
 first added
  to the database.
 
  --jfarr
 
  - Original Message -
  From: "Chris McDonough" [EMAIL PROTECTED]
  To: [EMAIL PROTECTED]
  Cc: [EMAIL PROTECTED]
  Sent: Friday, December 08, 2000 11:57 AM
  Subject: Re: [Zope] persistence and dictionaries
 
 
   Huh.  If they do, it's by chance only.  I'd be hard-pressed to
 explain it.
  
   Do they inherit from *anything*?
  
   - Original Message -
   From: "Matt" [EMAIL PROTECTED]
   To: "Chris McDonough" [EMAIL PROTECTED]
   Cc: [EMAIL PROTECTED]
   Sent: Friday, December 08, 2000 2:30 PM
   Subject: Re: [Zope] persistence and dictionaries
  
  
Chris, this was my original confusion  the two places below
 where you
   say
   
"You can put instances which do not inherit from
 Persistence.Persistent in
your database.  They just won't "stick".  They'll hang around
 until the
server is restarted or for an undetermined amount of time during
 normal
operations."
   
"No.  It'll work for "a while" or until the server is restarted.
 :-)"
   
actually do persist after restarts ... that's what confused me,
 they
   wouldn't
go away and they should!!
   
regards
Matt
   
Chris McDonough wrote:
   
  Thanks for the reply, that is really useful.  There are a
 couple of
   things
  though that still don't add up.  Firstly, you say below, as do
 all the
 ZODB
  documents that "Custom" classes can certainly persist, they
 just need
   to
 mix in
  the "Persistence.Persistent" class as a base class.  Well, in
 my
   example I
  attached in my first email, my product certainly has
 Persistence.Persistent,
  but my second class that I add to this one does not, yet it
 still
 persists.
  There was an email sometime ago on the mailing list that told
 someone
   that
 this
  was why their product instances disappearing from the ZODB.
  (the ref for the original email is :
 http://www.egroups.com/message/zope/44263
  ... I can't find the reply again.)
 

 You can put instances which do not inherit from
 Persistence.Persistent
   in
 your database.  They just won't "stick".  They'll hang around
 until the
 server is restarted or for an undetermined amount of time during
 normal
 operations.

  So my current understanding would be that any classes you want
 to add
   in
 do not
  need to derive from Persistence.Persistent, and if it is
 pickleable
   then
 all
  should be fine if you call on instances of that object within
 you
   product.

 No.  It'll work for "a while" or until the server is restarted.
 :-)

  The next part that worried me came from the "python product
 tutorial"
  http://www.zope.org/Members/hathawsh/PythonProductTutorial
 
  This stated that the class dictionary self.votes = {} needed
 to be
   changed
 to
  self._votes = Globals.PersistentMapping()  so that 

[Zope] PythonMethod (0.1.6) ZEO weirdnesss

2000-12-08 Thread Dyon Balding

Hi,

We've got a 2 client ZEO cluster working fine,
with a number of PythonMethods (ver 0.1.6).

When I tried adding a 3rd ZEO client, which
I am pretty sure is set up in the same way as
the other clients, PythonMethods created via
the original clients barf when viewed on the
new client.

Wierdly, PythonMethods created in the new client
work fine on all three.

Any idea what is happening here?

thanks
d

The traceback is as follows:

Traceback (innermost last):
File D:\dyon\DYONZO~1\lib\python\ZPublisher\Publish.py, line 222, in publish_module
File D:\dyon\DYONZO~1\lib\python\ZPublisher\Publish.py, line 187, in publish
File D:\dyon\DYONZO~1\lib\python\Zope\__init__.py, line 221, in 
zpublisher_exception_hook
  (Object: Traversable)
File D:\dyon\DYONZO~1\lib\python\ZPublisher\Publish.py, line 171, in publish
File D:\dyon\DYONZO~1\lib\python\ZPublisher\mapply.py, line 160, in mapply
  (Object: pytest)
File D:\dyon\DYONZO~1\lib\python\ZPublisher\Publish.py, line 112, in call_object
  (Object: pytest)
File D:\dyon\dyonzope224\lib\python\Products\PythonMethod\PythonMethod.py, line 
163, in __call__
  (Object: pytest)
File D:\dyon\dyonzope224\lib\python\Products\PythonMethod\PythonMethod.py, line 
144, in makeFunction
  (Object: pytest)
File D:\dyon\dyonzope224\lib\python\Products\PythonMethod\PythonMethod.py, line 
126, in _newfun
  (Object: pytest)
File 
D:\dyon\dyonzope224\lib\python\Products\PythonMethod\zbytecodehacks\VSExec.py, line 
344, in UntupleFunction
File 
D:\dyon\dyonzope224\lib\python\Products\PythonMethod\zbytecodehacks\code_editor.py, 
line 260, in __init__
File 
D:\dyon\dyonzope224\lib\python\Products\PythonMethod\zbytecodehacks\code_editor.py, 
line 267, in __init__
  (Object: pytest)
File 
D:\dyon\dyonzope224\lib\python\Products\PythonMethod\zbytecodehacks\code_editor.py, 
line 287, in init_tuple
  (Object: pytest)
File 
D:\dyon\dyonzope224\lib\python\Products\PythonMethod\zbytecodehacks\code_editor.py, 
line 162, in __init__
File 
D:\dyon\dyonzope224\lib\python\Products\PythonMethod\zbytecodehacks\code_editor.py, 
line 177, in __init__
File 
D:\dyon\dyonzope224\lib\python\Products\PythonMethod\zbytecodehacks\code_editor.py, 
line 217, in init_tuple
  ValueError: unpack tuple of wrong size






-- 
Dyon Balding [EMAIL PROTECTED]

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[Zope] Submit your software to BlueChillies.com

2000-12-08 Thread Joseph Hadinata

Hi,

We are pleased to inform you that we have launched a new website containing
shareware, freeware and demoware resources. We have invested a great deal of
time and money in making BlueChillies.com the best shareware and freeware
website. BlueChillies.com lists Windows, Macintosh, BeOS, DOS, Windows CE,
Palm OS, and Linux/UNIX software which are organized to more than 200
categories including Games, Utilities, Drivers, MP3 and Audio, Multimedia,
Internet, Business, HTML and more!

For this purpose, please submit your shareware and freeware to BlueChillies.
Listing your software with BlueChillies.com gives your software global
exposure! To submit a software, you must have a BlueChillies ID and Password
that can be obtained by filling out our registration form at
http://BlueChillies.com/join.php. This is for security reason so that your
software details cannot be modified by someone else. Afterward, you can
start to submit software by clicking "Add a Listing" at the bottom of the
page.

We also accept PAD files! Just go to http://BlueChillies.com/pad.php and
submit your PAD files. You don't need to register first. It's very simple
and easy.

I would be very grateful if you could submit your software at your earliest
convenience. Should you have any questions, please do not hesitate to
contact us at [EMAIL PROTECTED]


Your faithfully,

Joseph Hadinata
President  CEO
BlueChillies.com
http://BlueChillies.com





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Re: [Zope] persistence and dictionaries

2000-12-08 Thread Matt

um, nope, that's all there is to that class  I'll attach  the whole product

Matt


Jonothan Farr wrote:

 Oops. You snipped the contents of MoreStuff.addStuff(). No way to tell what's
 going on without that!
 --jfarr

 - Original Message -
 From: "Matt" [EMAIL PROTECTED]
 To: "Jonothan Farr" [EMAIL PROTECTED]; [EMAIL PROTECTED]
 Sent: Friday, December 08, 2000 2:39 PM
 Subject: Re: [Zope] persistence and dictionaries

  Ok, here are some of the offending bits out of my boringplus product
   which I can send again if people want.  I have
  another product that keeps a dictionary of cookies so I can see how many
  times someone uses the back button to
  access the same forms page again.  This worked as expected, where I had
  to issue an _p_changed=1 to get them to
  persist.  But I am doing a similar thing below, or so I thought, once
  with a dictionary in the product and once in a
  dictionary within a class that does not inherit Persistent.  This is
  what is confusing.  Through restarts etc, everything
  perisists
 
 
  class Boring(
  OFS.SimpleItem.Item,   # A simple Principia object. Not Folderish.
  Persistent,# Make us persistent. Yaah!
  Acquisition.Implicit,  # Uh, whatever.
  AccessControl.Role.RoleManager # Security manager.
  ):
 
 
  def __init__(self, id, title=''):
   self._things = {}
   self._more = myClass.MoreStuff()
 
 
  def manage_edit(self, title, REQUEST=None):
 if REQUEST is not None:
if REQUEST.has_key('thing'):
   self._things[REQUEST['thing']] = REQUEST['thing_value']
self.addToMore(REQUEST['thing'],REQUEST['thing_value'])
 
 
  def addToMore(self,name,value):
  self._more.addStuff(name,value)
  return ""
 
 
  class MoreStuff:
 
  def __init__(self):
  self._stuff = {'animal':'monkey'}
 
  def addStuff(self,stuff_name,stuff_item):
 
 
  On Sat, 09 Dec 2000, Jonothan Farr wrote:
   Maybe I'm mistaken, but it seems like you can put an instance of an
  object that
   doesn't inherit from Persistent into the ZODB just fine, but its
  contents won't
   persist, so you'll always end up with a copy of the object as it was
  first added
   to the database.
  
   --jfarr
  
   - Original Message -
   From: "Chris McDonough" [EMAIL PROTECTED]
   To: [EMAIL PROTECTED]
   Cc: [EMAIL PROTECTED]
   Sent: Friday, December 08, 2000 11:57 AM
   Subject: Re: [Zope] persistence and dictionaries
  
  
Huh.  If they do, it's by chance only.  I'd be hard-pressed to
  explain it.
   
Do they inherit from *anything*?
   
- Original Message -
From: "Matt" [EMAIL PROTECTED]
To: "Chris McDonough" [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Friday, December 08, 2000 2:30 PM
Subject: Re: [Zope] persistence and dictionaries
   
   
 Chris, this was my original confusion  the two places below
  where you
say

 "You can put instances which do not inherit from
  Persistence.Persistent in
 your database.  They just won't "stick".  They'll hang around
  until the
 server is restarted or for an undetermined amount of time during
  normal
 operations."

 "No.  It'll work for "a while" or until the server is restarted.
  :-)"

 actually do persist after restarts ... that's what confused me,
  they
wouldn't
 go away and they should!!

 regards
 Matt

 Chris McDonough wrote:

   Thanks for the reply, that is really useful.  There are a
  couple of
things
   though that still don't add up.  Firstly, you say below, as do
  all the
  ZODB
   documents that "Custom" classes can certainly persist, they
  just need
to
  mix in
   the "Persistence.Persistent" class as a base class.  Well, in
  my
example I
   attached in my first email, my product certainly has
  Persistence.Persistent,
   but my second class that I add to this one does not, yet it
  still
  persists.
   There was an email sometime ago on the mailing list that told
  someone
that
  this
   was why their product instances disappearing from the ZODB.
   (the ref for the original email is :
  http://www.egroups.com/message/zope/44263
   ... I can't find the reply again.)
  
 
  You can put instances which do not inherit from
  Persistence.Persistent
in
  your database.  They just won't "stick".  They'll hang around
  until the
  server is restarted or for an undetermined amount of time during
  normal
  operations.
 
   So my current understanding would be that any classes you want
  to add
in
  do not
   need to derive from Persistence.Persistent, and if it is
  pickleable
then
  all
   should be fine if you call on instances of that object within
  you
product.
 
  No.  It'll work for "a while" or until the server is restarted.
  :-)
 
   The next part that 

Re: [Zope] persistence and dictionaries - new light

2000-12-08 Thread Matt

I tried a few things out it seems the following is happening :

the methods that seemed to be activating persistence when I thought they
shouldn't are called through my handle to the manage_edit ... i.e. in the
product I sent this was anything called within

 def manage_edit(self, title, REQUEST=None):
blah

If I call the same methods from another method in the product, and then call
that method from say a dtmlMethod then persotence failed unless I use
_p_changed.  This would go along with what Chris mentioned.

So it seems that def manage_edit has a special behaviour, possible linked to
it's binding to
manage_main = HTMLFile('boringEdit', globals()) # Management Interface
which is linked to
manage_options = (
{'label': 'Edit',   'action': 'manage_main'},

hopefully someone has an answer to that.

regards
Matt



Jonothan Farr wrote:

 Oops. You snipped the contents of MoreStuff.addStuff(). No way to tell what's
 going on without that!
 --jfarr

 - Original Message -
 From: "Matt" [EMAIL PROTECTED]
 To: "Jonothan Farr" [EMAIL PROTECTED]; [EMAIL PROTECTED]
 Sent: Friday, December 08, 2000 2:39 PM
 Subject: Re: [Zope] persistence and dictionaries

  Ok, here are some of the offending bits out of my boringplus product
   which I can send again if people want.  I have
  another product that keeps a dictionary of cookies so I can see how many
  times someone uses the back button to
  access the same forms page again.  This worked as expected, where I had
  to issue an _p_changed=1 to get them to
  persist.  But I am doing a similar thing below, or so I thought, once
  with a dictionary in the product and once in a
  dictionary within a class that does not inherit Persistent.  This is
  what is confusing.  Through restarts etc, everything
  perisists
 
 
  class Boring(
  OFS.SimpleItem.Item,   # A simple Principia object. Not Folderish.
  Persistent,# Make us persistent. Yaah!
  Acquisition.Implicit,  # Uh, whatever.
  AccessControl.Role.RoleManager # Security manager.
  ):
 
 
  def __init__(self, id, title=''):
   self._things = {}
   self._more = myClass.MoreStuff()
 
 
  def manage_edit(self, title, REQUEST=None):
 if REQUEST is not None:
if REQUEST.has_key('thing'):
   self._things[REQUEST['thing']] = REQUEST['thing_value']
self.addToMore(REQUEST['thing'],REQUEST['thing_value'])
 
 
  def addToMore(self,name,value):
  self._more.addStuff(name,value)
  return ""
 
 
  class MoreStuff:
 
  def __init__(self):
  self._stuff = {'animal':'monkey'}
 
  def addStuff(self,stuff_name,stuff_item):
 
 
  On Sat, 09 Dec 2000, Jonothan Farr wrote:
   Maybe I'm mistaken, but it seems like you can put an instance of an
  object that
   doesn't inherit from Persistent into the ZODB just fine, but its
  contents won't
   persist, so you'll always end up with a copy of the object as it was
  first added
   to the database.
  
   --jfarr
  
   - Original Message -
   From: "Chris McDonough" [EMAIL PROTECTED]
   To: [EMAIL PROTECTED]
   Cc: [EMAIL PROTECTED]
   Sent: Friday, December 08, 2000 11:57 AM
   Subject: Re: [Zope] persistence and dictionaries
  
  
Huh.  If they do, it's by chance only.  I'd be hard-pressed to
  explain it.
   
Do they inherit from *anything*?
   
- Original Message -
From: "Matt" [EMAIL PROTECTED]
To: "Chris McDonough" [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Friday, December 08, 2000 2:30 PM
Subject: Re: [Zope] persistence and dictionaries
   
   
 Chris, this was my original confusion  the two places below
  where you
say

 "You can put instances which do not inherit from
  Persistence.Persistent in
 your database.  They just won't "stick".  They'll hang around
  until the
 server is restarted or for an undetermined amount of time during
  normal
 operations."

 "No.  It'll work for "a while" or until the server is restarted.
  :-)"

 actually do persist after restarts ... that's what confused me,
  they
wouldn't
 go away and they should!!

 regards
 Matt

 Chris McDonough wrote:

   Thanks for the reply, that is really useful.  There are a
  couple of
things
   though that still don't add up.  Firstly, you say below, as do
  all the
  ZODB
   documents that "Custom" classes can certainly persist, they
  just need
to
  mix in
   the "Persistence.Persistent" class as a base class.  Well, in
  my
example I
   attached in my first email, my product certainly has
  Persistence.Persistent,
   but my second class that I add to this one does not, yet it
  still
  persists.
   There was an email sometime ago on the mailing list that told
  someone
that
  this
   was why their product instances disappearing from the ZODB.
   (the ref for the original email is :
  

Re: [Zope] Another Zope E-Commerce Site Online

2000-12-08 Thread Cees de Groot


[EMAIL PROTECTED] said:
 [ an awful lot on the workings of his ecommerce site ]

Thanks, Brad. A lot of very useful information, and it'll surely help me in 
building version 2 of our stuff (v1 was a quick 1.5wk hack because of 
deadlines, I can now take things "easy", like in 1.75wks :-)).



-- 
Cees de Groot   http://www.cdegroot.com [EMAIL PROTECTED]
GnuPG 1024D/E0989E8B 0016 F679 F38D 5946 4ECD  1986 F303 937F E098 9E8B



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Re: [Zope] ZPatterns

2000-12-08 Thread Cees de Groot


[EMAIL PROTECTED] said:
 The basic problem as I experience it is not so much the jargon,
 because you get used to it.

That's what they told me about Perl, too. And because I couldn't get used to 
that mess, I switched to Python (maybe zPatterns was written for the wrong 
language? ;-})
-- 
Cees de Groot   http://www.cdegroot.com [EMAIL PROTECTED]
GnuPG 1024D/E0989E8B 0016 F679 F38D 5946 4ECD  1986 F303 937F E098 9E8B



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