Re: [Zope] Generating products that perform a smart clone of a master site?

[Martijn Pieters]

On Tue, Jun 27, 2000 at 11:22:20PM +0100, Hamish Lawson wrote:
> Thanks for your reply. I hadn't thought of using ZWikiWeb, but given
> that I do need to make instances of a master site, do you think that
> this could be done using ZWikiWeb? Instead of inheritance for the
> folders, the mechanism I'm investigating now is prototypes (a la
> JavaScript and Self objects).

Chris ment for ZwikiWeb to be an example of how a copy could be made. The
ZwikiWeb implements such a construct.

-- 
Martijn Pieters
| Software Engineermailto:[EMAIL PROTECTED]
| Digital Creations  http://www.digicool.com/
| Creators of Zope   http://www.zope.org/
| ZopeStudio: http://www.zope.org/Products/ZopeStudio
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Re: [Zope] ZWiki/Structured Text formatting surprise

[Martijn Pieters]

On Tue, Jun 27, 2000 at 10:42:01PM +0200, Rik Hoekstra wrote:
> >Just noticed that (_.None,_, gets rendered as (.None,, in a structrued
> >text wiki. Not useful :/
> 
> Hm, in a structuredtextdtml Wiki (such as the Zope edu Wiki) this works. See
> the SandBox there http://www.zope.org/Wikis/zope-edu/SandBox. So I can't
> reproduce it now.

You are only testing _.None, not _.None,_, which is the problem, see below. I
changed your test to include the other underscore to illustrate the point.

> >I've got around this by doing ('_'.None,_, but that's not really the
> >right idea.
> >
> >Does anyone know of the proper way of escaping this?

The ZWiki tries to render anything between '_' (underscore) charaters as
underlined. So _.None,_ indeed gets rendered as .None,. Nowhere is the
ZWiki trying to interpret this as a WikiName. 

Indeed, the only thing I can thus think of (apart from quoting the
underscores), is quoting the whole sentence, '_.None,_'. This may be desirable
in this case, as it supposedly is a code example anyway. Doubly underscoring
the line (and live with the underlining), doesn't work, BTW.

I updated the above SandBox to illustrate.

-- 
Martijn Pieters
| Software Engineermailto:[EMAIL PROTECTED]
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Re: [Zope] Adding users via external method

[Timothy Grant]

I am specifying roles, however, it turns out that some of the roles don't
exist within the Zope framework yet, so I need to add the roles before I
attempt to add the user.

On Tue, Jun 27, 2000 at 09:36:55PM -0400, ethan mindlace fremen wrote:
> Timothy Grant wrote:
> 
> > I have come upon some situations where I also need to add Roles. I can find
> > nothing archived nor on the Zope site about programmatically adding Roles.
> > Can anyone assist me?
> 
> hmm.  I don't know how you're adding users without indicating their
> roles.
> 
> I do this:
> 
>   
> 
> where REQUEST includes these variables:
> 
> name
> password
> confirm
> roles
> 
> And roles is a list.

-- 
Stand Fast,
tjg.

Timothy Grant [EMAIL PROTECTED]
Chief Technology Officer  www.exceptionalminds.com
Red Hat Certified Engineer  (503) 246-3630
Avalon Technology Group, Inc.   fax (503) 246-3124
Linux...Because crashing isn't normal<


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Re: [Zope] ZCatalog counting?

[Steve Spicklemire]

OK.. how about one more little special case

There are 
 
   
 
0
  
items of type Folder.

untested of course. ;-)

-steve

RDM wrote:
--

On Tue, 27 Jun 2000, Rik Hoekstra wrote:
> To quote a mail by RD Murray from a gew days ago:
> 
>  How do I find the size of the results returned by the catalog?
>  
>   <-- the results' length -->
>  

Hmm.  That wasn't my code.  I'd suggest instead (untested, but I've
used similar code in my own products):


  There are  items of type Folder.


I'm not sure what the relative advantages of these two code
snippets would be, but the latter does stick purely to dtml.

--RDM


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[Zope] tree problem, addendum

[Walter A. Aprile]

Sorry, but I have more elements:

in the edit tab of the management view of any one of my Articles the Id
does not come out at all. In the HTML code it is substituted again by
the mysterious  thing.

if I try to rename (that's to say, change the Id) of an Article, Zope 
chokes with a traceback that goes like this:

Traceback (innermost last):
  File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 214, in publish_module
  File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 179, in publish
  File /usr/local/zope/lib/python/Zope/__init__.py, line 202, in 
zpublisher_exception_hook
(Object: ElementWithAttributes)
  File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 165, in publish
  File /usr/local/zope/lib/python/ZPublisher/mapply.py, line 160, in mapply
(Object: manage_renameObject)
  File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 102, in call_object
(Object: manage_renameObject)
  File /usr/local/zope/lib/python/OFS/CopySupport.py, line 250, in manage_renameObject
(Object: ElementWithAttributes)
  File /usr/local/zope/lib/python/OFS/ObjectManager.py, line 226, in _getOb
(Object: ElementWithAttributes)
AttributeError: (see above)

It appears I have messed up the Id propery, but I do not know how.

Thanks again,
W.

-- Vita brevis, ars longa, occasio celeris, experimentum periculosum,
judicium difficile. Attention: Un train peut en cacher un autre
-><- Eris aprueba este email ! -><- http://redescolar.ilce.edu.mx


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[Zope] the tree tag is driving this newbie up the wall

[Walter A. Aprile]

Hello,
I am trying to write a tree access to a hyerarchy of folders
containing custom objects, subclassed from the DTML Docuement. The 
inheritance path should be
 DTMLDocument -> Article (my custom class) -> every single article in the folders.

I would like only Articles and folders to appear in the tree, so
this is what I do:









The tree *looks* all right, and the folders expand and contract ok. But
the URLs in the HREF are mangled. For example, I have a folder called
abracadabra, that contains another folder named curiosidades, that
contains an article whose title is "las origines del ajedrez", and
that has in id of "ajedrez". The link comes out like this:

las origines del ajedrez

I hope this does not play hell with the guys that use HTML-aware mail
clients, but what happens is that instead the URL instead of being
bracadabra/curiosidades/ajedrez gets the last component of the path
substituted with 'string' between angle brackets.

If I modify the dtml-tree tag so that it takes in also DTML Documents,
*those* URLs work. So what is happening ? Shouldn't the id propery
be inherited from my Article class ?

It *almost* works, and it is driving me insane. 

Thanks in advance,
Walter


-- Vita brevis, ars longa, occasio celeris, experimentum periculosum,
judicium difficile. Attention: Un train peut en cacher un autre
-><- Eris aprueba este email ! -><- http://redescolar.ilce.edu.mx


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RE: [Zope] 2.2.0b2 and ZSQL method and Zcatalog

[Bak @ kedai]

On Tue, 27 Jun 2000, Brian Lloyd wrote:
hi brian,
> 
> > -ZSQL method.  got len() of unsized object.
> 
> beta 3 should resolve that.
> 
all my sql methods now work!  thanks
> 
> 
> I've attached an updated Lexicon.py - can you try dropping this 
> into your lib/python/SearchIndex directory, restarting your Zope 
> installation and let me know if this fixes the problem?
> 
both 2.2b2 and b3 wont spit traceback without your update.  

> Thanks!
> 
no, no .. thank you!

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


Content-Type: application/octet-stream; name="Lexicon.py"
Content-Transfer-Encoding: quoted-printable
Content-Description: 


-- 
--
http://www.kedai.com.my/kk
Am I Evil?


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Re: [Zope] Adding users via external method

[ethan mindlace fremen]

Timothy Grant wrote:

> I have come upon some situations where I also need to add Roles. I can find
> nothing archived nor on the Zope site about programmatically adding Roles.
> Can anyone assist me?

hmm.  I don't know how you're adding users without indicating their
roles.

I do this:

  

where REQUEST includes these variables:

name
password
confirm
roles

And roles is a list.

-- 
ethan mindlace fremen
Zopatista Community Liason

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Re: [Zope] Access object inside a folder

[Sin Hang Kin]

Error Type: AttributeError
Error Value: __getitem__
Traceback (innermost last):
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 222, in
publish_module
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 187, in
publish
  File C:\Program Files\Zope2\lib\python\Zope\__init__.py, line 221, in
zpublisher_exception_hook
(Object: ElementWithAttributes)
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 171, in
publish
  File C:\Program Files\Zope2\lib\python\ZPublisher\mapply.py, line 160, in
mapply
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 112, in
call_object
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\OFS\DTMLMethod.py, line 168, in
__call__
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_String.py, line
500, in __call__
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_In.py, line
691, in renderwob
(Object: _.getitem('tabledef').objectItems(['DTML Document']))
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_Var.py, line
278, in render
(Object: _['sequence-item'])
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_Util.py, line
333, in eval
(Object: _['sequence-item'])
(Info: _)
AttributeError: (see above)


> You note, that your examples have an essential difference:
> 1 uses "mapping", 2 does not.







Error Type: AttributeError
Error Value: __call__
Traceback (innermost last):
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 222, in
publish_module
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 187, in
publish
  File C:\Program Files\Zope2\lib\python\Zope\__init__.py, line 221, in
zpublisher_exception_hook
(Object: ElementWithAttributes)
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 171, in
publish
  File C:\Program Files\Zope2\lib\python\ZPublisher\mapply.py, line 160, in
mapply
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 112, in
call_object
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\OFS\DTMLMethod.py, line 168, in
__call__
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_String.py, line
500, in __call__
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_With.py, line
146, in render
(Object: tabledef)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_In.py, line
691, in renderwob
(Object: objectItems(['DTML Document']))
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_Util.py, line
339, in eval
(Object: _['sequence-item'])
(Info: _)
  File , line 0, in ?
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_Util.py, line
163, in careful_getitem
  File C:\Program Files\Zope2\lib\python\OFS\DTMLDocument.py, line 164, in
__call__
(Object: f1)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_String.py, line
500, in __call__
(Object: f1)
  File C:\Program Files\Zope2\lib\python\OFS\DTMLMethod.py, line 164, in
__call__
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_String.py, line
500, in __call__
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_With.py, line
132, in render
(Object: tabledef)
AttributeError: (see above)

If I add mapping:






Error Type: AttributeError
Error Value: __getitem__
Traceback (innermost last):
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 222, in
publish_module
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 187, in
publish
  File C:\Program Files\Zope2\lib\python\Zope\__init__.py, line 221, in
zpublisher_exception_hook
(Object: ElementWithAttributes)
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 171, in
publish
  File C:\Program Files\Zope2\lib\python\ZPublisher\mapply.py, line 160, in
mapply
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\ZPublisher\Publish.py, line 112, in
call_object
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\OFS\DTMLMethod.py, line 168, in
__call__
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_String.py, line
500, in __call__
(Object: addNew)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_With.py, line
146, in render
(Object: tabledef)
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_In.py, line
691, in renderwob
(Object: objectItems(['DTML Document']))
  File C:\Program Files\Zope2\lib\python\DocumentTemplate\DT_Util.py, line
333, in eval
(Object: _['sequence-item'])
(Info: _)
AttributeError: (see above)


I am using Zope 2.2b1

>  > Moreover, I would like to do the following:
>  >
>  > I have some properties of an object abc which have same name with the
object
>  > ids in the tabledef folder, I would a

Re: [Zope] Prototyped folders?

[Jeff Hoffman]

On Tue, 27 Jun 2000, [iso-8859-1] Hamish Lawson wrote:

> If a folder doesn't itself contain a required object or method, I'd
> like to have another folder looked in instead. The fall-back folder
> won't necessarily (and often can't) be higher in the hierarchy, so
> acquisition doesn't seem to be a solution. 

We do something very similar with our customers, and are in the process of
figuring out the best way to do this kind of thing in Zope. I assume your
aim is to create a 'baseline' site with a number of customized copies. If
you change the baseline, the changes are reflected in its instances,
unless the instance has overloaded the changed aspect.

We have a site (actually 109), built on our proprietary middleware that
do exactly this (check out http://www.pgdc.net).

> Inheritance from a folderish class seems to be one solution, but I fear
> this might lead to an explosion of classes.

Indeed, I believe the same.

> The answer I think I need is to have a protoype mechanism (similar to
> that used in JavaScript and Self). A folder with the requirement to have
> its missing methods looked for elsewhere would be created as an instance
> of (say) PrototypedFolder with a pointer to the folder it wanted to use
> as a prototype. Does such a mechanism exist for Zope?

I achieved something similar to this by using a ZClass mix-in. My mix-in
basically overloaded ObjectManager._checkId to allow me to overload
aspects of a ZClass on an instance-by-instance basis. If the instance did
not overload the method, Zope would fall back to the ZClass's method
definition.

Unfortunately, my attention has been focused elsewhere, lately, and I
haven't had time to flesh this idea out. Getting this to work isn't the
hard part. Getting it to work well, in a way that allows web developers to
(easily) visualize what's going on is, unfortunately, much harder.

I would be interested in pursuing and contributing to an effort to do the
Hard Thinking this will require, done correctly.

> Hamish Lawson
> University of St Andrews, Scotland

--Jeff

---
Jeff K. Hoffman   704.849.0731 x108
Chief Technology Officer  mailto:[EMAIL PROTECTED]
Going Virtual, L.L.C. http://www.goingv.com/


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Re: [Zope] PowerMac 7500 with LinuxPPC and Zope?

[Curtis Maloney]

On Wed, 28 Jun 2000, Daniel Muller wrote:
> Hi,
>
> I would like to turn an old Mac 7500 into a Zope server.  LinuxPPC installs
> on the Mac PowerPC using the Red Hat 6.1 linux distribution.  Does anyone
> have any experience with Zope with this type of set up?
>
Hmm.. sounds like fun.  If pyton runs on that distribution (and it almost 
cerainly will) you should have no problems running ZOPE.  I am currently 
running zope on a RH6.1 i386 install, so unless there are some major 
differnces (apart from the CPU, of course :) it should run like a dream.

> Should I consider a different linux distribution than PPC?

Well, aside from Yellow Dog, are there really any other Linux distros suited 
to the PPC?

>
> Thanks,  Daniel
>
Have a better one,
Curtis



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[Zope] ZODB/FSSession TransactionError

[Brian McClain]

Well, I got a second installation of Zope running OK in another directory
after correcting some group/permission errors on my part.  It seems I can 
now use FSSession with this second installation with no problems
(fingers crossed "Oh please please please").

In my original Zope installation, I'm still getting the same EOFError when I
try to view a document containing .  I have been unable
to reproduce the original TransactionError in the original Zope.  I have mucked
around with the 1st Zope since receiving this initial TransactionError - mostly
removing var/Data.fs, etc.. and reinstalling FSSession etc... so that I could 
start "fresh". 

If I get the original Zope to behave I'll describe the procedure...
Thanks,
Brian



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Re: [Zope] How to retrieve content of a document?

[Ben Leslie]

On Tue, 27 Jun 2000, Luke Tymowski wrote:

> Hello,
> 
> Yet another question. I've gone through the DTML Reference Guide but
> couldn't find the answer.
> 
> How do I display the content of a DTML Document through a query?
> 
> For example:
> 
> 
>   
>
>   
> 
> 
> Displays the document's name and title. But how do i display the content of
> that document within that query?
> 
> I apologise if it's obvious.
> 

If it's obvious you wouldn't be asking the question ;).

I think what you need is  which will display the content
of the document, iirc. Of course you probably _don't_ want to do this because it
will likely have standard_html_header and standardh=_html_footer embedded in there.

Cheers,

Benno

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Re: [Zope] how to get email delivery errors

[Ben Leslie]

On Tue, 27 Jun 2000, Dan Rusch wrote:

> Our site allows supervisors to email orders back to sales reps. We have
> this working very well. The problem is if the supervisor types in an
> non-existant email address we aren't getting Mail System Error -
> Returned Mail messages like you would from other email apps such as
> Netscape Messenger. Does anyone know how to accomplish this.
> 
> Thanks,
>  DR


AFAIK Returned Mail messages are generated by the SMTP server, not by the
email client application. 

The reason you might not be recieving these _could_ be because the headers 
are being incorrectly genereated. You probably want to check what you set
the "From:" header as, this would usually be the address that any errors
are sent to (unless you state a "Sender:" header in which case that is used
IIRC, you can always check RFC822 ;).

I would suggest checking the smtp server logs to see what is actually happening
here.

Cheers,

Benno

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Re: [Zope] ZODB/FSSession TransactionError

[Pavlos Christoforou]

On Wed, 28 Jun 2000, Dieter Maurer wrote:

> 
> That's strange, because Python usually indicates EOF by returning
> an empty string and not by raising EOFError.

cPickle returns EOFError which is confusing since the Python docs state
that only input and raw_input return this exception.

The problem is actually deeper than I previously thought. I am still not
sure whether it is FSSession that is causing it or Zope's transaction
manager. I will spend more time on it tomorrow. In any case if you delete
the offending FSSession file on the filesystem and restart Zope it should
be fine for now.

Pavlos 


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Re: [Zope] Adding users via external method

[Timothy Grant]

Following up on my own message...

OK, so now I have a lovely external method that reads a datafile, returns a
list of tuples that I can then use in a DTML Method to add my users. So far
so good.

I have come upon some situations where I also need to add Roles. I can find
nothing archived nor on the Zope site about programmatically adding Roles.
Can anyone assist me?

Thanks.

On Wed, Jun 21, 2000 at 12:45:27PM -0700, Timothy Grant wrote:
> Hi all,
> 
> I'm working on a project where it would be very nice to add all the original
> users via a script.
> 
> I'm working with an external method that should--I believe use manage_user()
> to add the users.
> 
> My confusion comes from where does the external method go in the hierarchy?
> >From my reading it appears that to act on a folder, you need to be operating
> within that folder (e.g., I can add folders and stuff to my current folder
> all day). I haven't yet figured out how to operate on the acl-users folder
> that is the child of my current folder.
> 
> As always, thanks for any assistance that you can provide.

-- 
Stand Fast,
tjg.

Timothy Grant [EMAIL PROTECTED]
Chief Technology Officer  www.exceptionalminds.com
Red Hat Certified Engineer  (503) 246-3630
Avalon Technology Group, Inc.   fax (503) 246-3124
Linux...Because crashing isn't normal<

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[Zope] Prototyped folders?

[Hamish Lawson]

If a folder doesn't itself contain a required object or method, I'd
like to have another folder looked in instead. The fall-back folder
won't necessarily (and often can't) be higher in the hierarchy, so
acquisition doesn't seem to be a solution. Inheritance from a folderish
class seems to be one solution, but I fear this might lead to an
explosion of classes. The answer I think I need is to have a protoype
mechanism (similar to that used in JavaScript and Self). A folder with
the requirement to have its missing methods looked for elsewhere would
be created as an instance of (say) PrototypedFolder with a pointer to
the folder it wanted to use as a prototype. Does such a mechanism exist
for Zope?

Hamish Lawson
University of St Andrews, Scotland



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Re: [Zope] Zclass and acquisition

[Dieter Maurer]

=?iso-8859-1?q?Brown=20Fox?= writes:
 > is there a way to know the parent of a file saved in a
 > zclass?
 > The PARENTS stuff is useful also for zclasses?
 > I have tried but without any results!
The parent chain is build up during URL traversal.
Thus, it contains the ancestors in your Zope hierarchy.
It does not depend on any ZClass relationships.



Dieter

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Re: [Zope] Re: embed an SQL method inside a tag

[Dieter Maurer]

[EMAIL PROTECTED] writes:
 > Any one try to call a ZSQL Method without using a form ? I had tried to do
 > this for a lot of times, and this is what I got :
 > 
 > 
 >  Zope Error
 > 
 >  Zope has encountered an error while publishing this resource.
 > 
 >  Error Type: AttributeError
 >  Error Value: 'string' object has no attribute 'get'
Z SQL Methods require the first *positional* argument to
be a mapping object.
In your case, it got a string instead.

You should either use a Z SQL Method with a single
mapping object parameter or (exclusive) with keyword parameters.


Dieter

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Re: [Zope] ZODB/FSSession TransactionError

[Dieter Maurer]

Brian McClain writes:
 > After playing around successfully with FSSession for a while, I ran into the
 > following error when calling FSSession:
 >  
 > Error Type: TransactionError
Zope could not commit a change made in the transaction.

This may have several reasons:

  * cannot append to the ZODB file (var/data.fs),
  * commit to a database failed (e.g. of an SQL database)
  * FSSession information could not be updated
  * ???

Somehow, your log lacks some info about the actual problem.
I would add "import traceback; traceback.print_exc()"
at line 279 of "ZODB/Transaction.py" and look at
the output. This should give you more detailed information
about the problem.


 > I also get the following error on occassion when calling FSSession:
 > Error Type: EOFError
 > Error Value: 
It seems that FSSession wants to read past the end of the file
and gets an EOFError.

That's strange, because Python usually indicates EOF by returning
an empty string and not by raising EOFError.

I do not have FSSession sources.
I would probably look at line 142 of "FSSession.py" to
determine which operation raised the exception.


Dieter

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Re: [Zope] ZODB performance: reads to writes

[Ty Sarna]

In article <000d01bfddfb$4546f070$[EMAIL PROTECTED]>,
Evan Simpson <[EMAIL PROTECTED]> wrote:
> - Original Message -
> From: Jimmie Houchin <[EMAIL PROTECTED]>
> 
> > Will an app as described above still suffer from problems with high
> writes?
> 
> Possibly, but only if there are hidden hotspots.  For example, in your
[...]> 
> 2. Implement the application-level conflict handling you read about, so that
> Folders and Catalogs can decide that two writes don't conflict after all,
> and merge them into a single update.

Unfortunately, this doesn't deal with cases where the conflicting state
is contained in many objects (see note by PJE in the ZODB Wiki).

Also, there is a whole other area of difficulty for high-write-volume
ZODBs, which is the ammount of IO that needs to be done.  First, by
nature ZODB can't rewrite a single attribute of an object, it has to
rewrite the entire thing.

Indexing is also a bear from an IO perspective.  First, BTrees currently
keep a count at each level, so every change to a btree changes a node at
each level of the BTree.  For a ZCatalog, there are a lot of btrees
(something like 2n+4 for n indexes, I think -- don't quote me on that,
it's been a while), and each one changes (last I looked, every index was
updated even if the value indexed in a particular one hadn't changed. 
This may have been improved since).  Not only is this bad from a hotspot
point of view (always a conflict on the root node of the tree), but you
end up doing a *lot* of IO.  During my experiments that led to
BerkeleyStorage, I was watching the Data.fs grow by 47K per transaction
for adding indexed objects of ~1K in size.  Watching this with
tranalyzer, this turns out to be 1K of object, and 46K of updated btree
pages :).  Note that BerkeleyStorage only prevents the file from growing
that much -- it still has to do all that IO (in fact, it has to do ~2-3
times that much IO, due to the nature of BerkeleyDB.  A relational
storage would have similar issues.  For ammount of IO done, FileStorage
is about as efficient as you can possibly be -- it's just that it trades
that off against space reclamation). 

Also, with any kind of Berkeley or Relational storage, there is a second
hidden IO and storage penalty: you're storing a btree inside a btree. In
other words, the lower-level DB uses btrees to store your objects,
including interior nodes of the higher-level ZODB btree. Every interior
node of the ZODB Btree needs a leaf node (and supporting interior nodes)
in the DB's btrees. so you get taxed twice, on both I/O and storage
space used.

Not to discourage anyone from using ZODB, necessarily.  There are a lot
of things it's fantastic for, and without a doubt ZODB is getting better
at handling higher write ratios. Over time there will be more and
more applications that previously would have required an external SQL or
other kind of database that can be done in ZODB instead.  However, there
will also IMHO always be applications that ZODB just isn't as suitable
for. You have to thing long and hard before committing to one or ther
other. And then there's the worry of what happens if you chose wrong.

We were faced with exactly these issues, and the extremes of them, to
boot.  We have a *large*, *very* high write ratio, lots of indexes type
of application based on ZPublisher/DTML that we'd like to port
to/replace with something Zope based.  Yet we might need to make another
instance of this same type of application used by only a few people with
a small ammount of data -- it would really suck to have to have to have
another instance of the same expensive database system to support a
miniscule ammount of data, because everything was coded only with SQL in
mind). 

This is what led ultimately to ZPatterns -- you can write applications
and not have to decide up front on ZODB or SQL.  And you can change your
mind later (Seen that TV commercial? suddenly your online store is
selling a zillion items per month instead of the 1000 you planned for. 
oops!).  You can even decide on an instance by instance basis.  You
configure with ZODB for a small department or client, and Oracle or
Sybase for a huge one -- and the small guy doesn't have to pay for the
DB license and DBA!). Since then, we've discovered a number of other
benefits to the model.

Hmmm... I didn't intend to write a ZPatterns advertisement when I
started, honest! But this seems to have turned into one nonetheless :^)

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Re: [Zope] mod_rewrite rule to close managment screens fromoutsiders

[Bill Anderson]

Ragnar Beer wrote:
> 
> >  > I'm trying to deny external access to zope maintainance from elsewhere
> >>  (just for  sure), with Zope behind apache. However, It
> >>  just doesn't seem work... Sure It's more apache's problem, but I guess
> >>  someone around there has a working solution?
> >>
> >>  #
> >>  dule mod_rewrite.c>
> >>  RewriteEngine on
> >>  RewriteCond %{HTTP:Authorization}  ^(.*)
> >>  RewriteRule ^/Zope(.*) /usr/lib/cgi-bin/Zope/$1
> >[e=HTTP_CGI_AUTHORIZATION:%1,t=application/x-httpd-cgi,l]
> >>
> >>  RewriteCond %{REMOTE_ADDR} !^193\.143\.156\.(.*)
> >>  RewriteRule ^/Zope.*manage - [F]
> >>  #
> >>
> >  > --
> 
> I'm using
> 
> 
> Deny from all
> 
> 
> to block any request from my virtual server on port 80 that is under
> the /ssl directory or has "manage" in it. You could then allow from
> localhost.
> 
> I was thinking about extending this idea to protect myself from
> possible seccurity-holes in zope by denying everything and allowing
> only requests ending in _html or _img. Any opinions on that?

What about callable objects that don't end in either of these?

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Re: [Zope] Generating products that perform a smart clone of a master site?

[Hamish Lawson]

Chris

Thanks for your reply. I hadn't thought of using ZWikiWeb, but given
that I do need to make instances of a master site, do you think that
this could be done using ZWikiWeb? Instead of inheritance for the
folders, the mechanism I'm investigating now is prototypes (a la
JavaScript and Self objects).

Hamish Lawson




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[Zope] How to retrieve content of a document?

[Luke Tymowski]

Hello,

Yet another question. I've gone through the DTML Reference Guide but
couldn't find the answer.

How do I display the content of a DTML Document through a query?

For example:


  
   
  


Displays the document's name and title. But how do i display the content of
that document within that query?

I apologise if it's obvious.

thanks,

Luke


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[Zope] Data.fs.lock?

[addyd]

The tech that does backups on my new NT server (IIS) tells me that
everything backs up ok except the \var\Data.fs.lock file.
Is that normal or a problem?

Darren Addy
Internet Specialist and
Interim Web Presence Coordinator
Office of Information Technology Services
University of Nebraska at Kearney


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[Zope] DTML question

[Luke Tymowski]

Hello,

I want to retrieve the last 3 filenames from a subfolder and display them in
a document. If I set the size of the retrieval to 1, I get just 1 name
returned. If I set the size to 3, I get everything in the folder. (if I use
2 I also get everything in the subfolder )

Here is my code (using 2.2b2):


  
   
  


thanks,

Luke


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Re: [Zope] ZODB/FSSession TransactionError

[Pavlos Christoforou]

On Tue, 27 Jun 2000, Brian McClain wrote:

>  
> Error Type: TransactionError


Ooouch ... I am not sure I can diagnose the problem but it is certainly a
serious issue. Your email indicates two problems. The first trace
(TransactionError) does not mention FSSession anywhere so I do not know
where to start. Did you have any other indications that the error was
raised because of FSSession? Is it reproducible? 

The second trace indicates an EOFError which indicates that cPickle is
trying to unpickle a file with 0 length. So I guess you tried to store
objects in FSSession that were unPicklable and looking at the code I can
see that FSSession does not do a proper cleaning after such an event. I
will correct the second problem now and post the new version soon.


Thanks

Pavlos 


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Re: [Zope] STUPID_FILE_LOGGER

[Evan Simpson]

- Original Message -
From: Andy McKay <[EMAIL PROTECTED]>
> Im trying to run Zope on Win2k and use the stupid_file_logger. No matter
> what I seem to do to the command line or z2.py I still get the logs going
to
> stderr (ie ms-dos console). Can anyone help?
>
> "C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D
> STUPID_FILE_LOGGER="c:\\zope.log" %1 %2 %3 %4 %5 %6 %7 %8 %9
> "C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D
STUPID_FILE_LOGGER="c:\Zope.log"
> %1 %2 %3 %4 %5 %6 %7 %8 %9
> "C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D
"STUPID_FILE_LOGGER=c:\zope.log"
> %1 %2 %3 %4 %5 %6 %7 %8 %9

Lose the "-D".  Debug mode *always* logs to stderr, regardless of any other
logging arrangements.

Cheers,

Evan @ digicool & 4-am


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[Zope] Still Problem with LocalFS

[jensebaer]

- Original Message -
From: jensebaer <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, June 24, 2000 6:52 PM
Subject: Re: [Zope] Re: Problem with LocalFS


Ok now I placed the dtml files (savefile.dtml upload.dtml) in the LocalFS
Folder but the problem is still the same:
When I use manage_addImage (now from inside LocalFS) the new image is
created in the folder above.
I don´t no how but there must be a way to add an Image to LocalFS by using
another addimage form then the given.
My I have to use another manage function?
Or is there a special sytax to do this?
You wrote that it works from inside LocalFS so may you can give me an
example.

Thank you

Jens


- Original Message -
From: Jonothan Farr <[EMAIL PROTECTED]>
To: jensebaer <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Friday, June 23, 2000 2:35 AM
Subject: [Zope] Re: Problem with LocalFS


This is a known problem with LocalFS. The only workaround I know of is to
put
your dtml code into a file, give it a .dtml extension, and place it in the
directory you want to upload to. This problem will be addressed in the next
version of LocalFS.

--jfarr

"Perl is worse than Python because people wanted it worse."
Larry Wall, 14 Oct 1998

- Original Message -
From: jensebaer <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, June 22, 2000 5:23 PM
Subject: [Zope] Problem with LocalFS


Hello,

I want to upload files to LocalFS.
I created a LocalFS with the id: images

I don´t want to use the existing addImageForm to create a new Image in the
LocalFS.

I want to use two DTML Methods

uploadform

  
  File
  


but this do not create a new image in the LocalFS.
It creates an image in the Folder in which the the LocalFS exists.

I do not understand why 

Jens



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Re: [Zope] ZCatalog counting?

[Rik Hoekstra]

>
>On Tue, 27 Jun 2000, Alexander Limi wrote:
>
>> Is there an easy way to count the number of occurences of a certain meta
>> type in a Catalog? E.g: I want a dtml snippet that outputs:
>
>Couldn't you do:
>
>
>
>
>  
>
>
>This folder (
>number of objects with the meta type DTML Document.


um, not to be nitpicking, but if you'd want to know the number of objects
with a certain meta-type in a folder, the following is a bit shorter and
saves you an iteration:

 


This folder (
 number of objects with the meta type DTML Document.


   This folder (
   number of objects with the meta type DTML Document.


 not entirely sure of the dtml-let syntax, but you get the idea

Rik



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Re: [Zope] ZCatalog counting?

[R. David Murray]

On Tue, 27 Jun 2000, Rik Hoekstra wrote:
> To quote a mail by RD Murray from a gew days ago:
> 
>  How do I find the size of the results returned by the catalog?
>  
>   <-- the results' length -->
>  

Hmm.  That wasn't my code.  I'd suggest instead (untested, but I've
used similar code in my own products):


  There are  items of type Folder.


I'm not sure what the relative advantages of these two code
snippets would be, but the latter does stick purely to dtml.

--RDM


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RE: [Zope] ZClass question?

[Webmaster]

I am using DTML methods on all.

> -Original Message-
> From: Erik Enge [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, June 27, 2000 4:37 PM
> To:   Webmaster
> Cc:   [EMAIL PROTECTED]
> Subject:  Re: [Zope] ZClass question?
> 
> On Tue, 27 Jun 2000, Webmaster wrote:
> 
> > First when I try and create a new instance remotely I get a zope error
> > "unauthorized" no matter what username and password I type. If I try and
> 
> Are you using DTML Methods or Documents?  I've heard other talking
> about creating roles, but I switched from DTML Documents to DTML
> Methods and tde 'unauthorized' message went away.  Don't know why :-(.

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Re: [Zope] ZWiki/Structured Text formatting surprise

[Rik Hoekstra]

>Hi,
>
>Just noticed that (_.None,_, gets rendered as (.None,, in a structrued
>text wiki. Not useful :/


Hm, in a structuredtextdtml Wiki (such as the Zope edu Wiki) this works. See
the SandBox there http://www.zope.org/Wikis/zope-edu/SandBox. So I can't
reproduce it now.

>
>I've got around this by doing ('_'.None,_, but that's not really the
>right idea.
>
>Does anyone know of the proper way of escaping this?
>

Won't the !_.None help?

Rik



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Re: [Zope] ZCatalog counting?

[Andy McKay]

But that assumes that they are all in the same folder... a ZCatalog query
where meta-type = 'DTML Document' followed by a simple sequence-length would
get around that. And I think (but dont quote me on this) that a ZCatalog
search is quicker than objectValues.

- Original Message -
From: "Erik Enge" <[EMAIL PROTECTED]>
To: "Alexander Limi" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Tuesday, June 27, 2000 1:35 PM
Subject: Re: [Zope] ZCatalog counting?


>
> On Tue, 27 Jun 2000, Alexander Limi wrote:
>
> > Is there an easy way to count the number of occurences of a certain meta
> > type in a Catalog? E.g: I want a dtml snippet that outputs:
>
> Couldn't you do:
>
> 
>
> 
>   
> 
>
> This folder (
> number of objects with the meta type DTML Document.
>
>
>
>
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Re: [Zope] ZClass question?

[Erik Enge]

On Tue, 27 Jun 2000, Webmaster wrote:

> First when I try and create a new instance remotely I get a zope error
> "unauthorized" no matter what username and password I type. If I try and

Are you using DTML Methods or Documents?  I've heard other talking
about creating roles, but I switched from DTML Documents to DTML
Methods and tde 'unauthorized' message went away.  Don't know why :-(.


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Re: [Zope] ZCatalog counting?

[Erik Enge]

On Tue, 27 Jun 2000, Alexander Limi wrote:

> Is there an easy way to count the number of occurences of a certain meta
> type in a Catalog? E.g: I want a dtml snippet that outputs:

Couldn't you do:




  


This folder (
number of objects with the meta type DTML Document.




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Re: [Zope] ProxyPass

[T.J. Mannos]

I don't know, but I've been trying to figure it out for a week.  Any ideas??

Here's what I've read so far:
1. Use ProxyVia.
Problem: All ProxyVia does is create a header called "HTTP_Via" with the
value of "1.1 mysite.com"
Worthless.

2. Use custom headers.
Problem: Zope doesn't seem to recognize the custom headers.  If I do:
Header set MyHeader "My Custom Header"
then MyHeader never shows up in the REQUEST namespace.

Maybe I'm doing it wrong -- I'm new to all this stuff.  But if I can't find
a good solution, I might just hack the Apache source code to have ProxyVia
pass the IP address instead of the site calling it.

- T.J.

- Original Message -
From: RC Compaan <[EMAIL PROTECTED]>
To: Zope <[EMAIL PROTECTED]>
Sent: Tuesday, June 20, 2000 7:50 AM
Subject: [Zope] ProxyPass


> Is there anyway to get around the fact that the remote ip is the server's
ip
> if you use Apache's ProxyPass directive to pass requests on to Zope?
>
> Roché
>
>
>
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[Zope] SV: [Zope] Newbie: String work

[peter be]

Hello Andy

the syntax should be 

let string = "fred~~bloggs~aardvark"

_.string.split(string,'~~')[-1]
i.e.


Should work.

In python, it's the same thing. 

- Original Message - 
From: Andy Gates <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, June 27, 2000 12:39 PM
Subject: [Zope] Newbie: String work


> Simple stuff from the simple people today: string manipulation.
> 
> I have a string variable which has various chunks delimited by double 
> tildes ~~. In order to do what I need to do, I need to extract the 
> section of the string after the last double-tilde, so that
> 
> "fred~~bloggs" returns "bloggs"
> "fred" returns "fred"
> "fred~~bloggs~aardvark" returns "aardvark"
> 
> I can see that rfind is the thing I need to use, but as usual (gah! 
> newbie!) I'm stuck on the syntax.  Help!
> --
> Andy Gates, Learning and Research Technology
> [EMAIL PROTECTED] - ICQ#74362415
> 
> 
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Re: [Zope] mod_rewrite rule to close managment screens fromoutsiders

[Ragnar Beer]

>  > I'm trying to deny external access to zope maintainance from elsewhere
>>  (just for  sure), with Zope behind apache. However, It
>>  just doesn't seem work... Sure It's more apache's problem, but I guess
>>  someone around there has a working solution?
>>
>>  #
>>  dule mod_rewrite.c>
>>  RewriteEngine on
>>  RewriteCond %{HTTP:Authorization}  ^(.*)
>>  RewriteRule ^/Zope(.*) /usr/lib/cgi-bin/Zope/$1
>[e=HTTP_CGI_AUTHORIZATION:%1,t=application/x-httpd-cgi,l]
>>
>>  RewriteCond %{REMOTE_ADDR} !^193\.143\.156\.(.*)
>>  RewriteRule ^/Zope.*manage - [F]
>>  #
>>
>  > --

I'm using


Deny from all


to block any request from my virtual server on port 80 that is under 
the /ssl directory or has "manage" in it. You could then allow from 
localhost.

I was thinking about extending this idea to protect myself from 
possible seccurity-holes in zope by denying everything and allowing 
only requests ending in _html or _img. Any opinions on that?

--Ragnar

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Re: [Zope] ZCatalog counting?

[Rik Hoekstra]

>A presumably simple question:
>
>Is there an easy way to count the number of occurences of a certain meta
>type in a Catalog? E.g: I want a dtml snippet that outputs:
>
>There are 123 DTML Documents in the Catalog.
>
>I've browsed the howto's, but didn't find anything like this. Can anybody
>offer me some assistance?
>
>

To quote a mail by RD Murray from a gew days ago:

 How do I find the size of the results returned by the catalog?
 
  <-- the results' length -->
 

Also at the zdp site:

http://zdp.zope.org/projects/zsnippet/snippets/DTMLContent/CatalogResLength

Rik


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Re: [Zope] DTML/ZClass question

[Andy McKay]

You are correct, you're ZClass is not rendering the dtml and it wont. The
easiest way I found is simply not to try and find another solution. I came
across the same problem a while ago when I was just starting out with Zope.

I have solved the problem now, its written in python and derives from
DTMLDocument and its based on the ZWiki code which accomplishes rendering
quite well.

- Original Message -
From: "James W. Howe" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, June 27, 2000 11:50 AM
Subject: [Zope] DTML/ZClass question


> I have a ZClass that I created to hold information about a person.  The
> object has two attributes at the moment, name and bio.  Elsewhere I have a
> page layout which makes reference to a "pageContents" value.  I want to
> display my person objects using this layout but the object doesn't have a
> pageContents attribute.  I added a pageContents method to the ZClass which
> references my "bio" property.  The bio information appears, but if the bio
> text contains any dtml, the raw dtml code is displayed (actually it's not
> visible except if you do a "View Source").  I'm assuming that what is
> happening is that somehow my "bio" information isn't being rendered, but
is
> being returned intact as a string which ultimately gets stuck in my
browser
> page.  My question is this, what is the recommended way to create an
> "alias" for a property defined in a ZClass?
>
> Thanks.
>
> James W. Howe mailto:[EMAIL PROTECTED]
> Allen Creek Software, Inc. pgpkey: http://ic.net/~jwh/pgpkey.html
> Ann Arbor, MI  48103
>
>
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Re: [Zope] Kinterbasdb

[Chris Beaumont]

Hi David,

Thank you for the thoughtful response..
I agree that having KInterbasdb would not solve our DA problem, but at
least it would let me use the new Interbase Storage option..

A few people have been successful doing this, (compiling KInterbasdb
with IB6beta) perhaps one of them could write up a HowTO?

Thank you.
Chris Beaumont

David Trudgett wrote:
> 
> At 2000-06-23 11:40 -0700, you wrote:
> >Hello..
> >
> >I hope this isn't asking too much...
> >
> >Can someone who has successfully compiled Kinterbasdb for use with Zope
> >make non-programmer-friendly information on how to compile it for the
> >current glibc and Version of Interbase (6.0 beta) available? I haven't
> >been having any luck and my email to the author has bounced..
> 
> Even having Kinterbasdb compiled would not be the end of our problems. I
> believe a DA (Database Adapter) for Zope would still need to be written,
> and that would be a reasonably onerous task (even though there's a howto
> that says it's easy -- all things are relative I suppose). Given that
> you're a non-programmer, the task is well-nigh impossible. (I'm a
> programmer myself, but I don't think I have the required experience in
> database API programming/Zope/Python to make it reasonably feasible for me
> to do it (though I would like to, because I would like to access InterBase
> database(s) from within Zope).
> 
> I understand that the InterBase people are interested in getting InterBase
> working with Zope, and there is/was even an initiative to bring Zope and
> InterBase close together so that InterBase could serve the function that
> the ZODB currently fulfills. The InterBase people themselves are, of
> course, flat out at present getting version 6 ready for release within the
> next few days (unless they break their stated deadline of the end of June).
> 
> A possible work-around until an InterBase DA is available, might be to use
> IBPerl and Perl CGI or mod_Perl under Apache to read the InterBase database
> and output the required results, but wrap those results with Zope stuff
> (using SiteAccess, i believe). I'm only just starting to think about doing
> this myself, so don't ask me for any more detail than that! (Unfortunately,
> that suggestion may be a bit difficult if you don't program in Perl.)
> 
> Good luck.
> 
> David Trudgett

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[Zope] Re: Slow File Access With LocalFS

[Jonothan Farr]

It sounds to me like the Apache server is just writing the data directly to the
HTTP connection as it is read. I believe that's how HTTP "streaming" works. I
also believe this is possible to do using the Zope HTTPResponse object. Does
anyone have any ideas?

--jfarr

"Perl is worse than Python because people wanted it worse."
Larry Wall, 14 Oct 1998

- Original Message -
From: Rob Pratt <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, June 27, 2000 10:56 AM
Subject: Re: Slow File Access With LocalFS


> Hey, thanks for the quick reply.
>
> > No, it just takes a while to read a very large file and construct the
> ZObject
> > (performance patches accepted ;)). It can also take a while to download
> them
> but
> > that should be obvious. How is it that you're "streaming" the mp3 files?
>
> Sorry. Streaming is not exactly the right word I think. What I have set up
> is that Zope delivers a playlist (*.m3u), which is opened by a player on
> the
> local machine (assuming there's one installed), and the player app in turn
> makes a request for the actual mp3 file, which starts playing as soon as
> it's properly buffered in the player app. That avoids having to download
> each mp3 before playing it.
>
> I had the collection stashed behind an Apache rewrite rule, but when I
> checked out LocalFS, I decided to try to move it into Zope under a LocalFS
> object (which I can use to control access to the files more easily than in
> Apache). Using Apache rewrite, requests for mp3 files just bypassed Zope,
> and "streaming" was immediate. But handled as a LocalFS object, mp3 file
> requests (I guess from your reply) have to wait to create the ZObject
> before
> they start "streaming."
>
> Is there a way to get LocalFS to serve up the file without creating a
> ZObject?
>
> Wish I knew more about Python and programming. (I'm workin' on it, but it's
> a steep learning curve for a newbie like me.) I'd jump in and see if I
> could
> come up with a performance patch.
>
> Anyway, I've just started learning Zope, and I see that it has immense
> possibilities for automating a lot of what I do in my day job (I'm an
> editor
> for an alternative newsweekly in Santa Cruz, Calif., USA). The application
> I
> envision will probably make heavy use of the LocalFS product.
>
> I was hoping that it would be easy to digitize our extensive demo library
> on touring
> bands so that I wouldn't have to lend CDs to writers who never seem to
> return them ;) I could just get an intern to rip CDs into mp3s and post
> them
> on a password-protected mp3 server, and all the writers could have 24-7
> access.
>
> That's just one feature. Many, many others that I can think of (not
> involving mp3s ;)) could take hours and hours of work off of my weekly
> workload.
>


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Re: [Zope] ZODB/FSSession TransactionError

[Brian McClain]

>On Tue, Jun 27, 2000 at 02:40:49PM -0400, Brian McClain wrote:
>[...]
>> I have plenty of disk space and have tried reinstalling FSSession/Zope, 
>> rebooting, etc... 
>> 
>> I am running Zope 2.1.0 and FSSession 0.3.1
>
>What operating system do you use ? Have you checked the partition on 
>which Zope resides for filesystem errors ?
>
>-Petru

I'm using linux 2.0.36 (redhat 5.2).  When rebooting, fsck checked the 
partition Zope resides in and gave it a clean bill of health.

-Brian

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[Zope] ZOracleDA and Zope 2.2?

[Christian Scholz]

Hi!

I am encountering the following problem when using ZOracleDA 2.2.0b1
and Zope 2.2b2/3:

When creating a ZOracle Connection and giving the wrong connection string
then whole Zopes crashs with

OCI_ERROR at oci_8.c:283
ORA-12541: TNS:no listener
OCI_ERROR at oci_8.c:283
ORA-12154: TNS:could not resolve service name

(this is just a test with no Oracle running).

Sometimes it automatically restarts but sometimes not (after the second try).

I cannot remember to have this seen in 2.1, so a new bug?

(When you give the right string everything is ok)


regards,
  Christian



-- 
COM.lounge  http://comlounge.net/
communication & design [EMAIL PROTECTED]

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[Zope] standard_html_header/footer for Help system in 2.2

[Ron Bickers]

The help system in 2.2 is looking great, with a minor annoying "feature".
The left-side navigational window uses my standard_html_header and footer,
which is not at all appropriate for a navigational window (it includes
navigational bars of its own and causes a big horizontal scrolling
situation).

The right-side topic window has its own very basic header and footer. Is
there a way (short of me modifying the help system) to get it to use a more
plain header/footer?  Maybe it should not use mine at all, but use its own
as does the Zope management interface itself.

___

Ron Bickers
Logic Etc, Inc.
[EMAIL PROTECTED]


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Re: [Zope] (no subject)

[Bill Anderson]

"Jay, Dylan" wrote:
> 
> > -Original Message-
> > From: Marco Mariani [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, June 26, 2000 6:39 PM
> > To: Jay, Dylan
> > Subject: Re: [Zope] (no subject)
> >
> >
> > On Mon, Jun 26, 2000 at 02:56:39PM +1000, Jay, Dylan wrote:
> >
> > > > 
> > > >
> > > >link text
> > > >
> > > > 
> > > >link text
> > > >(no link...)
> > > > 
> > >
> > > yes but the repitition of "link text" could be a real pain
> > if "link_text" is
> > > big. Repitition is always a maintance nightmare.
> >
> > So is dtml-always.
> 
> No thats not the same thing. If I have a complex expression for X and it
> needs to be changed then it will have to be changed in two places. If I
> forget to update it in both places I would create a bug. My proposal
> elegently avoids this problem.

Personally, if I have a complicated expression I use in multiple places,
I make it into it's own method, and call that from wherever I need it.
But then again, I am rather lazy like that. ;-)

Bill

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[Zope] ZCatalog counting?

[Alexander Limi]

Hi,

A presumably simple question:

Is there an easy way to count the number of occurences of a certain meta
type in a Catalog? E.g: I want a dtml snippet that outputs:

There are 123 DTML Documents in the Catalog.

I've browsed the howto's, but didn't find anything like this. Can anybody
offer me some assistance?

Thanks in advance,


Alexander.



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[Zope] how to get email delivery errors

[Dan Rusch]

Our site allows supervisors to email orders back to sales reps. We have
this working very well. The problem is if the supervisor types in an
non-existant email address we aren't getting Mail System Error -
Returned Mail messages like you would from other email apps such as
Netscape Messenger. Does anyone know how to accomplish this.

Thanks,
 DR


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[Zope] Making ZCatalog catalog the results from a ZSQL query

[Ivan Raikov]

Greetings,

How can I make a ZCatalog object to catalog the result set produced
from a ZSQL method?

I'm subclassing ZCatalog and replacing the default manage_catalogFind
with a DTML method which in turn invokes a ZSQL method, but I get an
error, "You are not authorized to access SQLPatientSearch."
(SQLPatientSearch is the ZSQL method). I think I've set all
permissions right, so I don't know why I get this, but I was wondering
if someone can come up with an easier way to do this.

Thank you very much,
Ivan Raikov

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Re: [Zope] PowerMac 7500 with LinuxPPC and Zope?

[Jens Vagelpohl]

hi daniel,

zope should build and run just fine with that setup if you get the source
distribution and compile it yourself.

i am running zope on a pismo powerbook using Yellow Dog myself.

jens


on 6/27/00 14:22, Daniel Muller at [EMAIL PROTECTED] wrote:

> Hi,
> 
> I would like to turn an old Mac 7500 into a Zope server.  LinuxPPC installs
> on the Mac PowerPC using the Red Hat 6.1 linux distribution.  Does anyone
> have any experience with Zope with this type of set up?
> 
> Should I consider a different linux distribution than PPC?
> 
> Thanks,  Daniel 


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[Zope] DTML/ZClass question

[James W. Howe]

I have a ZClass that I created to hold information about a person.  The 
object has two attributes at the moment, name and bio.  Elsewhere I have a 
page layout which makes reference to a "pageContents" value.  I want to 
display my person objects using this layout but the object doesn't have a 
pageContents attribute.  I added a pageContents method to the ZClass which 
references my "bio" property.  The bio information appears, but if the bio 
text contains any dtml, the raw dtml code is displayed (actually it's not 
visible except if you do a "View Source").  I'm assuming that what is 
happening is that somehow my "bio" information isn't being rendered, but is 
being returned intact as a string which ultimately gets stuck in my browser 
page.  My question is this, what is the recommended way to create an 
"alias" for a property defined in a ZClass?

Thanks.

James W. Howe   mailto:[EMAIL PROTECTED]
Allen Creek Software, Inc.  pgpkey: http://ic.net/~jwh/pgpkey.html 
 
Ann Arbor, MI  48103


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Re: [Zope] PowerMac 7500 with LinuxPPC and Zope?

[Serge Stinckwich]

On Tue, Jun 27, 2000 at 02:22:36PM -0400, Daniel Muller wrote:
> Hi,
> 
> I would like to turn an old Mac 7500 into a Zope server.  LinuxPPC installs
> on the Mac PowerPC using the Red Hat 6.1 linux distribution.  Does anyone
> have any experience with Zope with this type of set up?
> 
> Should I consider a different linux distribution than PPC?

You should consider the PPC Gnu/Linux Debian distro : 

http://www.debian.org/ports/powerpc/

There is already a Debian Zope 2.1.6 package at the following URL :
ftp://ftp.debian.org/pub/debian/dists/potato/main/binary-powerpc/web/zope_2.1.6-5.deb

-- 
Serge Stinckwich   -< )  Debian GNU/Linux 2.2 (frozen)
CNRS UPRESA 6072>GREYC>I3>SMILE /~\  http://debian.org/   
Université de Caen>IUT de Caen>Campus 3>Dept Info  (/  | http://zope.org/ 
http://www.iutc3.unicaen.fr/~stincs_|_/  http://zschool.org/  

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[Zope] ZODB/FSSession TransactionError

[Brian McClain]

After playing around successfully with FSSession for a while, I ran into the
following error when calling FSSession:
 
Error Type: TransactionError
Error Value: A serious error, which was probably a system error, occurred
in a previous database transaction. This application may be in an invalid
state and must be restarted before database updates can be allowed. Beware
though that if the error was due to a serious system problem, such as
a disk full condition, then the application may not come up until you
deal with the system problem. See your application log for information
on the error that lead to this problem.

Traceback (innermost last):
  File /usr/local/dc2/Zope-2.1.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 
214, in publish_module
  File /usr/local/dc2/Zope-2.1.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 
179, in publish
  File /usr/local/dc2/Zope-2.1.0-linux2-x86/lib/python/Zope/__init__.py, line 202, in 
zpublisher_exception_hook
(Object: short9_panic2)
  File /usr/local/dc2/Zope-2.1.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 
169, in publish
  File /usr/local/dc2/Zope-2.1.0-linux2-x86/lib/python/ZODB/Transaction.py, line 209, 
in commit
TransactionError: (see above)

And from the log file:

2000-06-27T16:33:19 PANIC(300) ZODB A storage error occurred in the last 
phase of a two-phase commit.  This shouldn't happen. The application may 
be in a hosed state, so we will not allow transactions to commit from here on

I also get the following error on occassion when calling FSSession:
Error Type: EOFError
Error Value: 

Traceback (innermost last):
  File /usr/local/dc/Zope-2.1.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 214, 
in publish_module
  File /usr/local/dc/Zope-2.1.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 179, 
in publish
  File /usr/local/dc/Zope-2.1.0-linux2-x86/lib/python/Zope/__init__.py, line 202, in 
zpublisher_exception_hook
(Object: ApplicationDefaultPermissions)
  File /usr/local/dc/Zope-2.1.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 165, 
in publish
  File /usr/local/dc/Zope-2.1.0-linux2-x86/lib/python/ZPublisher/mapply.py, line 160, 
in mapply
(Object: short9_panic2)
  File /usr/local/dc/Zope-2.1.0-linux2-x86/lib/python/ZPublisher/Publish.py, line 102, 
in call_object
(Object: short9_panic2)
  File /usr/local/dc/Zope-2.1.0-linux2-x86/lib/python/OFS/DTMLDocument.py, line 166, 
in __call__
(Object: short9_panic2)
  File /usr/local/dc/Zope-2.1.0-linux2-x86/lib/python/DocumentTemplate/DT_String.py, 
line 502, in __call__
(Object: short9_panic2)
  File /usr/local/dc/Zope-2.1.0-linux2-x86/lib/python/Products/FSSession/FSSession.py, 
line 116, in __call__
(Object: FSSession)
  File /usr/local/dc/Zope-2.1.0-linux2-x86/lib/python/Products/FSSession/FSSession.py, 
line 142, in load
(Object: FSSession)
EOFError: (see above)
 

I have plenty of disk space and have tried reinstalling FSSession/Zope, 
rebooting, etc... 

I am running Zope 2.1.0 and FSSession 0.3.1

Any advice would be greatly appreciated,
Brian McClain

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Re: [Zope] STUPID_FILE_LOGGER

[Andy McKay]

The document by Amos (http://www.zope.org/Documentation/Misc/LOGGING.txt)
says set the
"STUPID_FILE_LOGGER" variable. That doesnt work but STUPID_LOG_FILE does. I
just set it in the command line:

"C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D STUPID_LOG_FILE="C:\zope.log"

Thanks.

- Original Message -
From: "Loren Stafford" <[EMAIL PROTECTED]>
To: "Andy McKay" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Tuesday, June 27, 2000 11:04 AM
Subject: RE: [Zope] STUPID_FILE_LOGGER


> I develop on Win98 with MKS tools. Using the MKS shell, this is what works
> for me, but may not be relevnt to you:
>
>  C:/Zope220b3/bin/python.exe C:/Zope220b3/z2.py -D
> STUPID_LOG_FILE=C:/Zope220b3/var/stupidlog.txt
>
> Before I started using MKS shell, I just set STUPID_LOG_FILE in the
> environment before starting Zope:
>
>set STUPID_LOG_FILE=C:\Zope\var\zopeapp.log
>
> If you don't find another solution, try the FrozenLogger product, which
sets
> STUPID_LOG_FILE for you from inside Zope.
> http://www.zope.org/Members/lstaffor/FrozenLogger
>
> -- Loren
>
> > -Original Message-
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Andy
> > McKay
> > Sent: Tuesday, June 27, 2000 08:59
> > To: [EMAIL PROTECTED]
> > Subject: [Zope] STUPID_FILE_LOGGER
> >
> >
> > Hi,
> >
> > Im trying to run Zope on Win2k and use the stupid_file_logger. No matter
> > what I seem to do to the command line or z2.py I still get the
> > logs going to
> > stderr (ie ms-dos console). Can anyone help?
> >
> > Here are command lines I have tried:
> >
> > "C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D
> > STUPID_FILE_LOGGER="c:\\zope.log" %1 %2 %3 %4 %5 %6 %7 %8 %9
> > "C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D
> > STUPID_FILE_LOGGER="c:\Zope.log"
> > %1 %2 %3 %4 %5 %6 %7 %8 %9
> > "C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D
> > "STUPID_FILE_LOGGER=c:\zope.log"
> > %1 %2 %3 %4 %5 %6 %7 %8 %9
> >
> > etc..
> >
> > I was hoping to write my own Logger, but when they didnt work to well I
> > thought using the stupid_file_logger would suffice...
> >
> > Thanks.
> >
> >
> >
> > ___
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> > **   No cross posts or HTML encoding!  **
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> >
>


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[Zope] PowerMac 7500 with LinuxPPC and Zope?

[Daniel Muller]

Hi,

I would like to turn an old Mac 7500 into a Zope server.  LinuxPPC installs
on the Mac PowerPC using the Red Hat 6.1 linux distribution.  Does anyone
have any experience with Zope with this type of set up?

Should I consider a different linux distribution than PPC?

Thanks,  Daniel 

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RE: [Zope] STUPID_FILE_LOGGER

[Loren Stafford]

I develop on Win98 with MKS tools. Using the MKS shell, this is what works
for me, but may not be relevnt to you:

 C:/Zope220b3/bin/python.exe C:/Zope220b3/z2.py -D
STUPID_LOG_FILE=C:/Zope220b3/var/stupidlog.txt

Before I started using MKS shell, I just set STUPID_LOG_FILE in the
environment before starting Zope:

   set STUPID_LOG_FILE=C:\Zope\var\zopeapp.log

If you don't find another solution, try the FrozenLogger product, which sets
STUPID_LOG_FILE for you from inside Zope.
http://www.zope.org/Members/lstaffor/FrozenLogger

-- Loren

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Andy
> McKay
> Sent: Tuesday, June 27, 2000 08:59
> To: [EMAIL PROTECTED]
> Subject: [Zope] STUPID_FILE_LOGGER
>
>
> Hi,
>
> Im trying to run Zope on Win2k and use the stupid_file_logger. No matter
> what I seem to do to the command line or z2.py I still get the
> logs going to
> stderr (ie ms-dos console). Can anyone help?
>
> Here are command lines I have tried:
>
> "C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D
> STUPID_FILE_LOGGER="c:\\zope.log" %1 %2 %3 %4 %5 %6 %7 %8 %9
> "C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D
> STUPID_FILE_LOGGER="c:\Zope.log"
> %1 %2 %3 %4 %5 %6 %7 %8 %9
> "C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D
> "STUPID_FILE_LOGGER=c:\zope.log"
> %1 %2 %3 %4 %5 %6 %7 %8 %9
>
> etc..
>
> I was hoping to write my own Logger, but when they didnt work to well I
> thought using the stupid_file_logger would suffice...
>
> Thanks.
>
>
>
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Re: [Zope] ZPatterns: Deleting objects from a Rack?

[Chris Withers]

Ty Sarna wrote:
> call the manage_delete() method on the object. That is, you ask the
> object to delete itself.

This seems unnecessarily long-winded to me. What are the reasons for it
being like this? (examples are good... ;-)

> However, once you have the object, operations on the object should be
> done as methods on the object.

I'm sure it's against Demeter's Law (I've read the Wiki ;-) to work this
way. You should ask the rack to delete an object and it can process this
how it wants... most often this would be by asking the object to delete
itself, but maybe it's be more efficient for the rack to just delete the
object (for example, if the object is actually a row in an SQL table)

cheers,

Chris

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Re: [Zope] ZPatterns: Deleting objects from a Rack?

[Ty Sarna]

In article ,
Jeff Hoffman  <[EMAIL PROTECTED]> wrote:
> However, search as I might, I cannot figure out how to delete an item
> once it's been created. On gut instinct, I figured there would be a
> deleteItem() to complement the newItem() method. No such luck.
> 
> What am I missing? Is there a management tab I'm not clicking on 
> somewhere? A method I haven't found? A clue I don't have? :-)

call the manage_delete() method on the object. That is, you ask the
object to delete itself.

getItem() and newItem() aren't methods of the objects because it doesn't
make sense...  if you have the item, you don't need to get it.  And you
can't ask an object that doesn't exist yet to create itself :-). 
However, once you have the object, operations on the object should be
done as methods on the object. 

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Re: [Zope] Can't override standard_error_message on NotFound?

[Chris Withers]

"R. David Murray" wrote:
> On Mon, 26 Jun 2000, matt wrote:
> > I'm having some problems with standard_error_message on 2.2.0b2.  According to the 
>mailing list archives I should be able to override NotFound errors (I even 
>cut-n-pasted http://www.zope.org/standard_error_message/view_source into my own 
>standard_error_message in case I was missing something) but requesting a nonexistent 
>object still gets me what appears to be a built-in page.

standard_error_message is also notoriously buggy in the way it handles
things unless you're using Zope 2.2. I have lost significant hair in
this area ;-)

> Usually this means your standard_error_message is throwing an exception,
> in which case Zope use the one hardcoded in the source.

The way to check this is to look at the error. If your error message is
throwing an exception, the origin of the error will be your error page.
If it's still showing the original Not Found error then you're suffering
from bugginess.

HTH,

Chris

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[Zope] Re: Slow File Access With LocalFS

[Jonothan Farr]

> I'm using LocalFS to reference a large collection of mp3 files. (I figured
> it was probably a good idea not to upload the whole shebang to the ZODB, so
> I just added a LocalFS object to reference the top directory of the
> collection.) When I try to download a file by calling the Zope object (for
> instance, http://zopeserver/LocalFSObject/mp3file.mp3) it takes 30 seconds
> for the average mp3 file to start streaming. Other files, i.e., way smaller
> ones, like 4K playlist files, download very quickly.
>
> Is Zope or LocalFS choking on the large files? Is there some work-around
> I'm missing?

No, it just takes a while to read a very large file and construct the ZObject
(performance patches accepted ;)). It can also take a while to download them but
that should be obvious. How is it that you're "streaming" the mp3 files?

--jfarr



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Re: [Zope] Can't override standard_error_message on NotFound?

[R. David Murray]

On Mon, 26 Jun 2000, matt wrote:
> I'm having some problems with standard_error_message on 2.2.0b2.  According to the 
>mailing list archives I should be able to override NotFound errors (I even 
>cut-n-pasted http://www.zope.org/standard_error_message/view_source into my own 
>standard_error_message in case I was missing something) but requesting a nonexistent 
>object still gets me what appears to be a built-in page.

Usually this means your standard_error_message is throwing an exception,
in which case Zope use the one hardcoded in the source.

--RDM


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[Zope] database connection in zope

[ethan mindlace fremen]

Mohideen,

The zope mailing lists are the best place to answer these sorts of
questions.
To subscribe, go to http://lists.zope.org/mailman/listinfo/zope .

In the mean time, I am forwarding this message to the list, perhaps they
can help:

Forwarded message:

hi
 thanks for your replay
 
 from the zope documentation, i cannot get  the
relevent information(datbase connection method)

 sorry for the distrub?
 can i discuss my project wiht you
 now i discuss the my project(i,e sample project)
documentation
  i created a table in demo gadfly database (table
name is login table  and field is userid and pass)
  i have three page  and all three pages under the
MakSampleProject folder
 (1)index.html page ,it contains username field and
pass word field  and 'submit' and 'new user register'
button(i.e., two field and two button)
 if i am new user and i press the 'new user register'
button,registration page will display
 (2)registerpage.html page contains three field (i.e
username,password and confirmation) and submit button
 when you click the submit button ,at that time the
3rd page is call
 (3)fieldcheck.html page,this page contains both
validation code and insert value part code
 i have code to validate three field is not empty ,if
any one field is empty i will through the exception. 
if three field values are correct i go to write the
values in login table
 validation part is
 
 
 
 
 
 
 if any one field is empty ,just i call the
registerpage by using form acion method
 "http://localhost:8080/makhomepage/registerpage
 if all the field is not empty just i print the page
 "thnaks for registeration"
 and i goto insert the value to login table(i have no
idea about this part)
 ?there is a problem in that area i dodn't no idea
about how can i write the values in  login table
 pls help me how can i connect the database  and get
the value and give the sample

if In java 
 just write the follwing code
 Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
 Connection con=DriverManager("Jdbc:Odbc:login","","")
 Statement stmt=con.createStatement();
 ResultSet rs= stmt.execute("slect * from login");
 ResultSetMetaData rsmd= rs.getMetaData();
 while(rs.nex())
 {
 }
 
 pls give the python sample its help for me
 
 if i am using sqlserver database, for the all above
prodecure,how can i do in sqlserver?
 
 i think,in india it is the first time to use the zope
server technology,in chennai i am first man to use the
server

waiting for reply???
bye
MAK
Precious Microtech Private Limited
Chennai-34
Phone -8210977/6
www.preciousmicrotech.com


__
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[Zope] ZWiki/Structured Text formatting surprise

[Chris Withers]

Hi,

Just noticed that (_.None,_, gets rendered as (.None,, in a structrued
text wiki. Not useful :/

I've got around this by doing ('_'.None,_, but that's not really the
right idea.

Does anyone know of the proper way of escaping this?

cheers,

Chris

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[Zope] STUPID_FILE_LOGGER

[Andy McKay]

Hi,

Im trying to run Zope on Win2k and use the stupid_file_logger. No matter
what I seem to do to the command line or z2.py I still get the logs going to
stderr (ie ms-dos console). Can anyone help?

Here are command lines I have tried:

"C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D
STUPID_FILE_LOGGER="c:\\zope.log" %1 %2 %3 %4 %5 %6 %7 %8 %9
"C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D STUPID_FILE_LOGGER="c:\Zope.log"
%1 %2 %3 %4 %5 %6 %7 %8 %9
"C:\Zope\bin\python.exe" "C:\Zope\z2.py" -D "STUPID_FILE_LOGGER=c:\zope.log"
%1 %2 %3 %4 %5 %6 %7 %8 %9

etc..

I was hoping to write my own Logger, but when they didnt work to well I
thought using the stupid_file_logger would suffice...

Thanks.



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Re: [Zope] Can not add Zope Tutorial with 2.2: Solved

[Martijn Pieters]

On Tue, Jun 27, 2000 at 10:14:59AM -0400, Brian Lloyd wrote:
> > One "aesthetic" problem i see now: The order of the Tutorial 
> > lessons in
> > the "menu" frame is wrong. 
> 
> Yes, I noticed that too. I don't know if Amos will get to this
> by 2.2 final - I'll forward this to him though.

I already sent him a patch for this. It should be incorporated by the next
version I think.

-- 
Martijn Pieters
| Software Engineermailto:[EMAIL PROTECTED]
| Digital Creations  http://www.digicool.com/
| Creators of Zope   http://www.zope.org/
| ZopeStudio: http://www.zope.org/Products/ZopeStudio
-

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Re: [Zope] Generating products that perform a smart clone of a master site?

[Chris Withers]

Hamish Lawson wrote:
> I envisaged turning a tutor's site into a product that could be
> instantiated.

Hi Hamish,

I'd suggest downloading the ZWikiWeb product from:
http://www.zope.org/Members/chrisw/ZWikiWeb

It does pretty much exactly what you're talking about. It's doesn't take
very long to knock up a product like this and I don't think I even used
ZClasses. My basis was the example stuff from the Zope Content Managers
Guide.

I'm guessing this is what you're trying to do. If you're looking into
using inheritence (so for example, your tutor changes his example, which
causes all the instances to be updated) then you'll need to use
ZClasses. I have vague memories of the Zope Developers Guide covering
this, if not, try BeeHive's ZClass guide.

cheers,

Chris

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Re: [Zope] mod_rewrite rule to close managment screens from outsiders

[Marcel Preda]

- Original Message -
From: Riku Voipio <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, June 27, 2000 4:05 PM
Subject: [Zope] mod_rewrite rule to close managment screens from outsiders


> I'm trying to deny external access to zope maintainance from elsewhere
> (just for  sure), with Zope behind apache. However, It
> just doesn't seem work... Sure It's more apache's problem, but I guess
> someone around there has a working solution?
>
> #
> dule mod_rewrite.c>
> RewriteEngine on
> RewriteCond %{HTTP:Authorization}  ^(.*)
> RewriteRule ^/Zope(.*) /usr/lib/cgi-bin/Zope/$1
[e=HTTP_CGI_AUTHORIZATION:%1,t=application/x-httpd-cgi,l]
>
> RewriteCond %{REMOTE_ADDR} !^193\.143\.156\.(.*)
> RewriteRule ^/Zope.*manage - [F]
> #
>
> --


I didn't use ,  the `rewrite' module for something like this,
but I remember that the order of the rules is VERY important.
I suppose that when the first Cond is matched the last doesn't matter

So maybe is better to invert the rules...

PM




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Re: [Zope] embed an SQL method inside a tag

[jpenny]

On Tue, Jun 27, 2000 at 12:05:56PM +1000, Andrew Kenneth Milton wrote:
> +[ Dieter Maurer ]-
> | Andrew Kenneth Milton writes:
> |  > 
> |  > So...
> |  > 
> | Alternatively, you could place the values from "abc_sql_statement"
> | into the "REQUEST" object:
> | 
> | 
> | 
> 
> Except you get one line per variable you want to set... It's ok if you've
> only got one variable and you want to use it outside the loop, setting
> four or five would get messy I think.

Actually this is not so bad.

Set up a DTML-method that has all of these calls in it.  I like to call 
mine currySomethingArgs

For example, if you have a SQL method Foo requiring args a,b,c,d,e,f,g
then curryFooArgs would have body

 .
 .
 .


and your calling sequence to Foo looks like




This also makes the nested SQL call problem easier to read.

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Re: [Zope] Generating products that perform a smart clone of a master site?

[Hamish Lawson]

David

Thank you for your reply.

> With ZClasses you can use the Zope security support to control who
> updates what.  However, currently ZClasses can only go in the
> Control_Panel/Products folder.  This means that all tutors will see
> the products/classes used by all other tutors, which you say you wish
> to avoid.

I may have misled you about what I meant by the alien stuff that I
wanted tutors to avoid seeing.

I envisaged turning a tutor's site into a product that could be
instantiated. In order not to make copies of static files, I reckoned
that each folder in the tutor's original site would have to be made
into its own ZClass in order that the static files that were missing
from instances of the site could be found through inheritance. I'm
happy with a tutor's site being moved into the Products folder; the
stuff I wanted tutors to avoid seeing wasn't other products, since I
think it should be possible to provide them with an interface that
takes them straight to their own product. Rather I wasn't sure whether
it was possible to turn a tutor's site into a product that used
folderish ZClasses instead of ordinary folders, yet still have it feel
like their old site.

One issue with what I'm suggesting is this idea of every folder in the
tutor's productised site really being a folderish ZClass. I'm bothered
by this profusion of ZClasses. I think what I really need is the
concept of prototype folders, whereby if a folder in an instance of the
site didn't itself contain the required object, its prototype folder
would be looked in instead; the folders in the product would be just
ordinary folders rather than individual ZClasses, and folders within
the product instances would all be instances of a single
PrototypedFolder class (though obviously pointing to different folders
as their prototype), thus drastically reducing the number of classes
required. But I don't know whether such a prototype mechanism exists
for Zope.

Hamish Lawson
University of St Andrews, Scotland



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[Zope] ZClass question?

[Webmaster]

I am running 2.2.0b2 on a RH linux and have created a simple ZClass. All of
my modified constructor objects work perfect however when I created a
separate dtml method to add instances I get some weird errors.

First when I try and create a new instance remotely I get a zope error
"unauthorized" no matter what username and password I type. If I try and
create a new instance locally on the same box (or within the internal
network) I get a KeyError and then at the bottom of the same page is a
second included page with a 404 file not found error. If I change the method
from "post" to "get" so I can see if the new_goLiveDate is being passed I
get the "unauthorized" error.

Any idea what is going on?
Here is my "add_instance_html" code.


 
 



  

  



Let me know if you need more info.

-Jamey

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RE: [Zope] Can not add Zope Tutorial with 2.2: Solved

[Brian Lloyd]

> the last updates for DA.py and/or TutorialTopic.py  have solved the
> problem for me.

good! :)


> One "aesthetic" problem i see now: The order of the Tutorial 
> lessons in
> the "menu" frame is wrong. 

Yes, I noticed that too. I don't know if Amos will get to this
by 2.2 final - I'll forward this to him though.

Thanks!


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



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[Zope] mod_rewrite rule to close managment screens from outsiders

[Riku Voipio]

I'm trying to deny external access to zope maintainance from elsewhere
(just for  sure), with Zope behind apache. However, It 
just doesn't seem work... Sure It's more apache's problem, but I guess 
someone around there has a working solution?

#
dule mod_rewrite.c>
RewriteEngine on
RewriteCond %{HTTP:Authorization}  ^(.*)
RewriteRule ^/Zope(.*) /usr/lib/cgi-bin/Zope/$1 
[e=HTTP_CGI_AUTHORIZATION:%1,t=application/x-httpd-cgi,l]

RewriteCond %{REMOTE_ADDR} !^193\.143\.156\.(.*)
RewriteRule ^/Zope.*manage - [F]
#

-- 
Riku Voipio
[EMAIL PROTECTED]
09-862 60764


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[Zope] problem testing permissions

[Jerome Alet]

Hi,

I've created a folder in which there's a dtml method index_html which
displays a calendar of events found in the ZCatalog.

In this folder I've created several folders, one for each event type
(e.g. courses, exams, etc...)

each subfolder acquire the index_html method when it is displayed.

In each subfolder I've created a user folder and created an user who has a
manager role (I've also given the user a local role of manager for the
subfolder, but I don't now if it is useful or not): this person should be
able to add whatever she wants, especially events, in her folder, but
nowhere else. 

here's the tree:

Events
|-- index_html
|-- Courses
|   |-- acl_users
|   |   |-- jerome (can add events in Courses only)
|   |-- event 1
|   |-- event 2
|   |-- ...
|   |-- event n
|-- Exams
|-- acl_users
|   |-- fred (can add events in Exams only)
|-- event 1
|-- ...
|-- event n   


If I log in as superuser (Zope 2.1.6 with patches) then no problem, I can
add events wherever I want. 

If I log in as a user I've created in one of the subfolders then my test
seems to be wrong (see below).

here's my code which should create an html link to the add form if the
logged in user is a manager for the subfolder (e.g. jerome for Courses),
or just display the day number if not

---CUT---

  
  
  

  

  

  
  

  

  

 
---CUT---  

it seems just like if the  does nothing.

Does anyone have an idea ?

thanks in advance.

Jerome ALET - [EMAIL PROTECTED] - http://cortex.unice.fr/~jerome
Faculte de Medecine de Nice - http://noe.unice.fr - Tel: 04 93 37 76 30 
28 Avenue de Valombrose - 06107 NICE Cedex 2 - FRANCE


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Re: [Zope] Newbie: String work

[Andy Gates]

Message-ID: <[EMAIL PROTECTED]>
Priority: NORMAL
X-Mailer: Execmail for Win32 5.1 Build (9) 
MIME-Version: 1.0
Content-Type: Text/Plain; charset="us-ascii"

> 
> 
> this is documented at
> http://www.zope.org/Documentation/Guides/DTML-HTML/DTML.4.4.2.3.html
>  - but not very newbie-friendly

Perfecto!  Thank you!

AndyG

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Re: [Zope] ProxyPass Problems

[Peter Sabaini]

i dont know much about ssl but wouldn't you want to pass / -->
https:// instead of / --> http:// ?
but then again i dont know a thing about ssl...
peter


On Mon, 26 Jun 2000, Baker, Dennis [sjmr] wrote:

:I'm having a problem with getting ProxyPass and SSL to work.  I followed the
:How-to on Using Apache with ZServer,  and unfo's How-To on
:Apache+ZServer+SSL.  And my setup is nearly identical to the one listed on
:the howto.  I have my main site in the root of my Zope Setup,  and My SSL
:site is in a subdirectory of the root called SecureSite.  
:
:After setting up the ProxyPass Directives in Apache (I have the httpd.conf
:section attached below) and Adding the SiteRoot objects on Zope I can access
:the main Site at http://mysite.org,  but if I try to access
:https://mysite.org my web browser hangs until it times out.  Also,  it
:becomes impossible to browse the SecureSite Folder unless I delete the
:SiteRoot Object. 
:
:It appears to be some kind of Apache issue,  however I can't figure out why
:it won't connect,  the directives are almost identical to the ones on the
:Howto.  Any Suggestions ??
:
:  Snippet from httpd.conf  ---
:NameVirtualHost 206.171.167.101:80
:
:
:ServerAdmin [EMAIL PROTECTED]
:ServerName mysite.org
:ProxyPass / http://mysite.org:8080/
:ProxyPassReverse / http://mysite.org:8080/
:ProxyPass /misc_ http://mysite.org:8080/misc_
:ProxyPass /p_ http://mysite.org:8080/p_
:
:
:NameVirtualHost 206.171.167.101:443
:
:
:ServerAdmin [EMAIL PROTECTED]
:ServerName mysite.org
:ProxyPass / http://mysite.org:8080/SecureSite/
:ProxyPassReverse / http://mysite.org:8080/SecureSite/
:ProxyPass /misc_ http://mysite.org:8080/misc_
:ProxyPass /p_ http://mysite.org:8080/p_
:
:
:  End Snippet 
:
:Dennis Baker
:Information Systems Manager, St. Joseph's Medical Resources 
:
:
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-- 

_
peter sabaini, mailto: [EMAIL PROTECTED]
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[Zope] Zclass and acquisition

[Brown Fox]

Hello,
is there a way to know the parent of a file saved in a
zclass?
The PARENTS stuff is useful also for zclasses?
I have tried but without any results!

Thanks,
   Bruno


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[Zope] R: [Zope] Newbie: String work

[Marcel Preda]

- Original Message - 
From: Andy Gates <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, June 27, 2000 1:39 PM
Subject: [Zope] Newbie: String work


> Simple stuff from the simple people today: string manipulation.
> 
> I have a string variable which has various chunks delimited by double 
> tildes ~~. In order to do what I need to do, I need to extract the 
> section of the string after the last double-tilde, so that
> 
> "fred~~bloggs" returns "bloggs"
> "fred" returns "fred"
> "fred~~bloggs~aardvark" returns "aardvark"
> 
> I can see that rfind is the thing I need to use, but as usual (gah! 
> newbie!) I'm stuck on the syntax.  Help!

Maybe is a little strange , but should work (I hope:)






Or maybe is better to use split, is more readable




PM


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Re: [Zope] Newbie: String work

[Geir Bækholt]

on Tuesday, June 27, 2000 Andy Gates wrote :
AG> Simple stuff from the simple people today: string manipulation.

AG> I have a string variable which has various chunks delimited by double 
AG> tildes ~~. In order to do what I need to do, I need to extract the 
AG> section of the string after the last double-tilde, so that

AG> "fred~~bloggs" returns "bloggs"
AG> "fred" returns "fred"
AG> "fred~~bloggs~aardvark" returns "aardvark"

AG> I can see that rfind is the thing I need to use, but as usual (gah! 
AG> newbie!) I'm stuck on the syntax.  Help!

try something like :



this is documented at
http://www.zope.org/Documentation/Guides/DTML-HTML/DTML.4.4.2.3.html
 - but not very newbie-friendly

 took me a long time to figure out how to use :-)

--
Geir Bækholt
web-developer/designer
[EMAIL PROTECTED]
http://www.funcom.com



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Re: [Zope] Newbie: String work

[Rik Hoekstra]

Andy Gates wrote:
> 
> Simple stuff from the simple people today: string manipulation.
> 
> I have a string variable which has various chunks delimited by double
> tildes ~~. In order to do what I need to do, I need to extract the
> section of the string after the last double-tilde, so that
> 
> "fred~~bloggs" returns "bloggs"
> "fred" returns "fred"
> "fred~~bloggs~aardvark" returns "aardvark"
> 
> I can see that rfind is the thing I need to use, but as usual (gah!
> newbie!) I'm stuck on the syntax.  Help!


what about (in convoluted DTML very lightly tested):
)">



If you want the part after the ~~, you'll have to add +2 to the string
index, like instr[ix+2:]. Making this fit for the 'fred' case is left as
an exercise for the reader ;-=)

hth

Rik

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[Zope] Newbie: String work

[Andy Gates]

Simple stuff from the simple people today: string manipulation.

I have a string variable which has various chunks delimited by double 
tildes ~~. In order to do what I need to do, I need to extract the 
section of the string after the last double-tilde, so that

"fred~~bloggs" returns "bloggs"
"fred" returns "fred"
"fred~~bloggs~aardvark" returns "aardvark"

I can see that rfind is the thing I need to use, but as usual (gah! 
newbie!) I'm stuck on the syntax.  Help!
--
Andy Gates, Learning and Research Technology
[EMAIL PROTECTED] - ICQ#74362415


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[Zope] CalendarTag 0.9.15 + Wiki

[Jerome Alet]

Hi,

in the name of Juan David Iban~ez Palomar, I'm pleased to announce you the
availability of the CalendarTag 0.9.15 which includes a complete
internationalisation via the lang= attribute of the calendar tag. 

Available languages are Spanish, Catalan, English and French.

Please contribute translations in your own language.

A wiki was set up as well for the Calendar Tag product.

you can find all on http://www.zope.org/Members/jdavid/Calendar

thanks for reading.

Jerome ALET - [EMAIL PROTECTED] - http://cortex.unice.fr/~jerome
Faculte de Medecine de Nice - http://noe.unice.fr - Tel: 04 93 37 76 30 
28 Avenue de Valombrose - 06107 NICE Cedex 2 - FRANCE


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Re: [Zope] R: [Zope] range with variables

[Armin Wappenschmidt]

Marcel Preda wrote:
> 
> - Original Message -
> From: Armin Wappenschmidt <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, June 27, 2000 10:50 AM
> Subject: [Zope] range with variables
> 
> > Hi all,
> >
> > I've a problem using the following dtml construct:
> >
> >  # <-- that's the problem!!
> > 
> > 
> >
> >do something 
> >
> > 
> > 
> > 
> >
> >
> > How can I set the variable "start" from a user given input?
> >
> 
> 
> The problem is that in both cases the `startindex' is a string,
> you have tu convert it to int.
> 
> 
> 

The conversion from string to int was the problem. Now it works! :)

Thanks!

armin

-- 
Armin Wappenschmidt - Consultant Engineer

 SDRC Ford Program OfficeSDRC Software und Service GmbH
 Spessartstrasse (D-MD/PA-2) Martin-Behaim-Strasse 12
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[Zope] Re: embed an SQL method inside a tag

[wai]

Hi All,

Any one try to call a ZSQL Method without using a form ? I had tried to do
this for a lot of times, and this is what I got :


 Zope Error

 Zope has encountered an error while publishing this resource.

 Error Type: AttributeError
 Error Value: 'string' object has no attribute 'get'

Please help.

Cheers

Wai


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[Zope] R: [Zope] range with variables

[Marcel Preda]

- Original Message - 
From: Armin Wappenschmidt <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, June 27, 2000 10:50 AM
Subject: [Zope] range with variables


> Hi all,
> 
> I've a problem using the following dtml construct:
> 
>  # <-- that's the problem!!
> 
> 
>
>do something 
>
> 
> 
> 
> 
> 
> How can I set the variable "start" from a user given input?
> 


You can call
http://www.domain.com/index?startindex=101
or you can do this bay a usual FORM


...



The problem is that in both cases the `startindex' is a string, 
you have tu convert it to int.



ATENTION: If 'startindex' is not a valid number the `atoi' method will
rise an exception like:

Error Type: ValueError
Eror value: invalid literal for atoi():

So is better to check first, something like:




 Error message - INVALID NUMBER




Other way is to force `startindex' to be a int like:


...



But you could have problems, an exception like above could occur
(if someone will input an invalid number) and you can not do something.


That's the story.


PM 



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[Zope] Access object inside a folder

[Sin Hang Kin]

Hi,

I have put objects inside a folder tabledef and would like to refer them :





However, this does not work, But putting the objects in the current folder
works without problems:





I also try:



   


and some other combinations, all without success.

How can I access the objects (DTML DOCUMENTS) inside a folder?

Moreover, I would like to do the following:

I have some properties of an object abc which have same name with the object
ids in the tabledef folder, I would also lookup the objects' properties :


   
  
 
  


Assume abc have a property address, then there should be a dtmldoc call
address in tabledef, which have properties "help" and "tableorder". I would
like to retrieve them.

Can somebody help me with these?

Rgs,

Kent Sin
-
kentsin.weblogs.com
kentsin.imeme.net



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Re: [Zope] ZOracleDA

[Michal Bukovjan]

Avoid using Oracle 8.1.5 at all costs. It has mislinked executables and 
libraries, I can't believe Oracle could have released such a shit.

Instead, download and try Oracle 8.1.6 R2 - the current release.
It fixes a number of issues (though not all of them) and at least it works.

Michal Bukovjan

Citace Kiran Jonnalagadda <[EMAIL PROTECTED]>:

> Hi,
> 
> I'm trying to install ZOracleDA. I've managed to get DCOracle to build,
> but the test fails with this traceback:
> 
> -
> [root@balrog src]# python DCOracle_test.py 
> Traceback (innermost last):
>   File "DCOracle_test.py", line 1, in ?
> import Buffer, oci_, sys
> ImportError: /u01/app/oracle/product/8.1.5/lib/libordvir8.so: undefined
> symbol: __pure_virtual
> -
> 
> I'm running Zope 2.1.6 with Python 1.5.2 on Linux. DCOracle and
> ZOracleDA are both the stab;e releases. Oracle is 8.1.5 (needed the
> Setup file from this list).
> 
> I added -lordvir8 a couple of times extra to Setup to see if this
> problem went away, but it wouldn't.
> 
> nm on libordvir8.so says that it contains the __pure_virtual symbol.
> 
> Does anyone know how to get around this?
> 
> -- 
> 
> Kiran Jonnalagadda
> http://lunateks.com
> 
> baby.sh: while true; do echo "^G^G^G^G^G"; sed -e 's/food/poop/';
> sync; sync; sleep 15; done
> 
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Re: [Zope] (no subject)

[Graham Chiu]

In article <014501bfdf74$dce74e50$6200a8c0@longwy>, Luc Tonin  writes
>does anybody know how to have some statistic about each web pages 
>under zope?? each pages is da result of query on a mysql database !
>any id ???
>thx by advance
> 
>L.Tonin
> 

I have a sql method in my html header that saves the url, query, and the
remote ip address for any pages that I am interested into a table which
I can query at my leisure.

This way I get real time statistics from within Zope as opposed to
analysing the server logs outside of Zope.

-- 
Regards,  Graham Chiu
gchiucompkarori.co.nz
http://www.compkarori.co.nz/index.php
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[Zope] range with variables

[Armin Wappenschmidt]

Hi all,

I've a problem using the following dtml construct:

 # <-- that's the problem!!


   
   do something 
   





How can I set the variable "start" from a user given input?

Thanks!
armin

-- 
Armin Wappenschmidt - Consultant Engineer

 SDRC Ford Program OfficeSDRC Software und Service GmbH
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 D-50725 Koeln-Merkenich D-63263 Neu-Isenburg
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_/_/_/_/   _/_/_/ _/_/_/  _/_/_/_/
   _/ _/_/   _/_/_/
  _/_/_/_/   _/ _/  _/_/_/  _/
   _/   _/ _/  _/   _/ _/
_/_/_/_/   _/_/_/_/   _/ _/   _/_/_/_/
S O F T W A R E  U N D  S E R V I C E  G M B H


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