Re: [Zope] Product creation difficulty

2005-04-08 Thread Chris Withers
Pete Taylor wrote:
Error Type: Fault
Error Value: Fault 1: 'exceptions.Exception:method
echo.__roles__.__contains__ is not supported'
Yeah, that's Zope's security mechanisms kicking in.
Don't use a python script for this code. Remove your allow_module anduse 
an external method, like you're supposed to ;-)

Either that, or build a python product to do what you want, or use the 
one that Michael pointed to :-)

cheers,
Chris
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[Zope] The Zope Book

2005-04-08 Thread Chris Withers
Dieter Maurer wrote:
When will they feature in *the* Zope Book?
Which The Zope Book are you referring to?
The 2.6 one on Zope.org?
The 2.7 one on Plope.com?
The 3.whatever one somewhere-I-don't-know?
It's the age old documentation problem coming back to bite us again :-S
cheers,
Chris
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Re: [Zope] Re: Does anyone care whether we deprecate ZClasses?

2005-04-08 Thread Chris Withers
Jim Fulton wrote:
I wish they were gone, but they are still there.
Someday, I'd like to se a TALES-based DTML, but I doubt
I'll ever have time to do it.
You know that means you want to deprecate it really ;-)
I still maintaining ofrcing users to learn two templating languages, one 
of which is one of the oldest things in the whole framework, is pretty 
cruel, but then we as a community, do seem to like inflicting new 
languages on our end users *grinz*

Chris
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Re: [Zope] Re: login page problem

2005-04-08 Thread Chris Withers
Dieter Maurer wrote:
You are probably right  -- but SimpleUserFolder is really simple (which
sometimes is good).
Simpler is ALWAYS good, as the name of my company kinda gives away ;-)
Nothing should ever be less simple than is absolutely necessary!
Had *you* used all these reusable components to provide the functionality
in SUF, standard users could have used then out of the box -- with just
sumitting a configuration page. As it is now, they have to think
about (e.g.) cache management and invalidation.
All the components I've mentioned so far have been standard Zope 
components. If their documentation isn't so good, that's a seperate 
problem. If I provide work-a-likes, then I have to be responsible for 
that documentation too, which isn't great ;-) That said, maybe I should 
provide more examples of how to get things like caching and cookie auth 
working with SUF?

I would like to stress that I do not think SUF were bad.
I just defend my statement that exUserFolder is something
like a big brother to SUF.
A bloated fat cousin maybe ;-)
cheers,
Chris
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Re: [Zope] Re: login page problem

2005-04-08 Thread Chris Withers
Dieter Maurer wrote:
The RAMCacheManager is associated with (what I call) site building
objects (those have an identifying URL, for example).
Why do you think that?
User objects are not site building.
But in zope, they should always have a url ;-)
The UserFolder is but usual implementations do not inherit
ZCachable -- and therefore cannot (directly) use the
RAMCacheManager.
SUF doesn't need to inehrit from ZCacheable...
When an object supports transparent caching (which would be necessry
for a UserFolder), then it must contain code interfacing with
a cache manager. I doubt that SUF contains such code...
I think transparency (ie: magic, automagical, and other such bullshit) 
is bad. Explicit is better that implicit and all that ;-)

But hopefully you see that the questions are difficult for a standard user.
Only if the standard user needs caching, in which case they should 
understand the choices they're making ;-)

  When he uses SUF and determines that caching is needed because
  authentication and authorization are too costly, he may learn
  that Z SQL Methods can be cached.
  Later, he changes some user properties and has to observe
  that they take effect with a delay (as stale values are cached)
  and there is no reliable way to flush/invalidate the cache.
  He may learn that there are CCZSQLMethods the cache of which
  can be flushed, but he may have had long hours of problems.
That seems entirely natural to me. At any time, he can make choices 
depending on his current needs without being penalised for previous 
choices...

With exUserFolder, he visits the configuration tab
and selects with caching for XXX minutes -- that's
it (unless he uses ZEO).
...which case he gets core confused and is locked into a caching setup 
which he'd have to recode at the python level to get anywhere with ;-)

cheers,
Chris
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Re: [Zope] Plone/Zope on Debian Sarge

2005-04-08 Thread Chris Withers
Robert (Jamie) Munro wrote:
There is no standard start up script (as far as I have seen), 
Then you haven't been looking very hard ;-)
zopectl has been standard as of 2.7.0, it can be symlinked right into 
/etc/init.d and works prettymuch perfectly.

to the same port. There's a patch here:
http://www.zope.org/Collectors/Zope/1733
If that provides a commandline options to specify a port range, then 
it's a good patch :-)

cheers,
Chris
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Re: [Zope] The Zope Book

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 8:48 AM, Chris Withers [EMAIL PROTECTED] wrote:
 Dieter Maurer wrote:
  When will they feature in *the* Zope Book?
 
 Which The Zope Book are you referring to?
 
 The 2.6 one on Zope.org?
 The 2.7 one on Plope.com?
 The 3.whatever one somewhere-I-don't-know?

I would expect it to be featured, that is mentioned as a recommended
practice, in a Zope2.9 book, should one appear. I also thonk that with
2.8 a 2.8 book should be released, which main feature could be to move
the ZClass part to an appendix.

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CPS Content Management http://www.cps-project.org/
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Re: [Zope] Does anyone care whether we deprecate ZClasses?

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 12:15 AM, Andreas Pakulat [EMAIL PROTECTED] wrote:
 Hmm, could you (just for my own interest) point out the difference
 between PropertySheets and ProperyManager (which I used to define
 properies for my own product-classes)? IIRC PropertySheets allow to
 have multiple groups of properties on the same Object, but is there
 more?

If I remember correctly, it also allows you do have the property
definition stored somewhere else than on the object itself, and is
allows you to store the properties somewhere else than as attributes.

It's a bit complex to use, and the property types definitions are too
inflexible for practical use, which is why archetypes, CPSSchemas and
Zope3 schemas exists now. :-)
-- 
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CPS Content Management http://www.cps-project.org/
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[Zope] Persistent Objects

2005-04-08 Thread Roy S. Rapoport
A coworker of mine wrote his own web server framework from scratch for an
internal application.  We're looking to migrate this application to Zope
(thank God!).  The only question we need to deal with is:  

The reason he wrote his own webserver rather than use CGIs is that there
was some processing that needed to happen to initialize a system state --
basically, create an object that knows about the configuration of some
things.  In his model, this object is created at the beginning and is
simply shared among the various Python objects/modules that are invoked when
responding to user requests.

How can I create such a persistent object that, say, a python script object
or a page template could access?

(Sure, handholding on this would be nice, but what I'm actually expecting
is answers along the lines of look into foo)

-roy
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Re: [Zope] Persistent Objects

2005-04-08 Thread bruno modulix
Roy S. Rapoport wrote:
A coworker of mine wrote his own web server framework from scratch for an
internal application.  We're looking to migrate this application to Zope
(thank God!).  The only question we need to deal with is:  

The reason he wrote his own webserver rather than use CGIs is that there
was some processing that needed to happen to initialize a system state --
basically, create an object that knows about the configuration of some
things.  In his model, this object is created at the beginning and is
simply shared among the various Python objects/modules that are invoked when
responding to user requests.
How can I create such a persistent object that, say, a python script object
or a page template could access?
Just write a Python product (there's a bit of boilerplate code, but 
that's pretty easy) that inherit from persitence.Persistant and can 
handle all that stuff, and instantiate one at the root of the 
application. ZODB will take care of the persistence, and acquisition 
magic will make this object accessible from all the application.

(Sure, handholding on this would be nice, but what I'm actually expecting
is answers along the lines of look into foo)
Look into Product, ZODB, and acquisition !-)
--
Bruno Desthuilliers
Développeur
[EMAIL PROTECTED]
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[Zope] best practices Zope filesystem development

2005-04-08 Thread Milos Prudek
Hi,
What are the best, most effective practices in leveraging filesystem 
when developing in Zope?

I'm looking for an approach that would let me use keyboard and leave the 
mouse alone as much as possible. In other words, minimum use of ZMI even 
if TTW Python Scripts are used extensively. Instead of ZMI/External 
editor I need vim, grep, mv and cp to manipulate Zope ZODB.

--
Milos Prudek
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Re: [Zope] best practices Zope filesystem development

2005-04-08 Thread Andreas Jung

--On Freitag, 8. April 2005 11:30 Uhr +0200 Milos Prudek [EMAIL PROTECTED] 
wrote:

Hi,
What are the best, most effective practices in leveraging filesystem when
developing in Zope?
I'm looking for an approach that would let me use keyboard and leave the
mouse alone as much as possible. In other words, minimum use of ZMI even
if TTW Python Scripts are used extensively. Instead of ZMI/External
editor I need vim, grep, mv and cp to manipulate Zope ZODB.
CFM + filesystem-based skin methods and templates. Or using ftp/webdav.
-aj

pgpDsnGXqdG79.pgp
Description: PGP signature
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[Zope] dtml-tree issue

2005-04-08 Thread Vangelis Mihalopoulos
Hello,
I want to use dtml-tree. I want to populate this tree using an external 
method that like this one:

getChildren(parent_id)  =  [child, child, child, ..]
where parent_id is a string and each child is a node (python object).
My problem is what kind of object must each node be, in order for the 
dtml-tree to work properly...
The dtml-method is like this (example, hierarchy of links):

dtml-tree id=LINK braches_expr=getChildren(LINK)
 a href=dtml-var LINKdtml-var TITLE/a
/dtml-tree
I tried a dictionary, but i cannot retrieve the LINK in the branches_expr.
I made a class in the External Method with attributes LINK and 
TITLE, but i get unauthorized exceptions...

Thanks for any help,
Vangelis
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Re: [Zope] Persistent Objects

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 11:05 AM, Roy S. Rapoport [EMAIL PROTECTED] wrote:
 A coworker of mine wrote his own web server framework from scratch for an
 internal application.  We're looking to migrate this application to Zope
 (thank God!).  The only question we need to deal with is:
 
 The reason he wrote his own webserver rather than use CGIs is that there
 was some processing that needed to happen to initialize a system state --
 basically, create an object that knows about the configuration of some
 things.  In his model, this object is created at the beginning and is
 simply shared among the various Python objects/modules that are invoked when
 responding to user requests.
 
 How can I create such a persistent object that, say, a python script object
 or a page template could access?

Is this persistent even among server restarts, or persistent per
request, or persistent per session? (the answer is different for all
of them, and usually, in Zope, persistent means persistent over
server restarts).

-- 
Lennart Regebro, Nuxeo http://www.nuxeo.com/
CPS Content Management http://www.cps-project.org/
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[Zope] how to set value of hidden form field by a cookie

2005-04-08 Thread prabuddha ray
I've to set the value of a hidden form field by a cookie value.

e.g; invalidval request/cookies/login|nothing;
 i tried this :
input name=invalid type=hidden value=string: ${invalidval}
and also this 
input name=invalid type=hidden tal:attributes=value invalidval

but it is rendering the text in quotes directly.
what is the correct way.

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RE: [Zope] Product creation difficulty

2005-04-08 Thread Pete Taylor
argh!  doing it the way i'm supposed to?  i don't have time for that!  i've
got perfectly good banging my head against a wall while ignoring the door
right next to me to do!

thanks again for the help :).  

-Original Message-
From: Chris Withers [mailto:[EMAIL PROTECTED]
Sent: Friday, April 08, 2005 2:45 AM
To: Pete Taylor
Cc: 'zope@zope.org'
Subject: Re: [Zope] Product creation difficulty


Pete Taylor wrote:

 Error Type: Fault
 Error Value: Fault 1: 'exceptions.Exception:method
 echo.__roles__.__contains__ is not supported'

Yeah, that's Zope's security mechanisms kicking in.
Don't use a python script for this code. Remove your allow_module anduse 
an external method, like you're supposed to ;-)

Either that, or build a python product to do what you want, or use the 
one that Michael pointed to :-)

cheers,

Chris

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Re: [Zope] best practices Zope filesystem development

2005-04-08 Thread bruno modulix
Andreas Jung wrote:

--On Freitag, 8. April 2005 11:30 Uhr +0200 Milos Prudek [EMAIL PROTECTED] 
wrote:

Hi,
What are the best, most effective practices in leveraging filesystem when
developing in Zope?
I'm looking for an approach that would let me use keyboard and leave the
mouse alone as much as possible. In other words, minimum use of ZMI even
if TTW Python Scripts are used extensively. Instead of ZMI/External
editor I need vim, grep, mv and cp to manipulate Zope ZODB.

CFM + filesystem-based skin methods and templates. Or using ftp/webdav.
BTW : there is a non-CFM skin implementation, but I found very few clues 
about how to use it (being a bit lazy, I'd prefer not having to learn 
the whole CFM stuff !-). Could someone point me to any exemple, doc or 
whatsoever so I could get started ?

TIA
--
Bruno Desthuilliers
Développeur
[EMAIL PROTECTED]
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Re: RES: [Zope] login system discussion

2005-04-08 Thread prabuddha ray
Thanks the request var is set but the next line for redirection 
ie. return context.index_html renders a new page with text :

  ZopePageTemplate at index_html

is there some object in context which refers to the self page.
plz help.


On Thu, 7 Apr 2005 11:22:25 -0300, Jose Henrique dos Reis
[EMAIL PROTECTED] wrote:
 I think that request.form['variable'] = value, could solve your problem.
 
 I think that RESPONSE.redirect creates another REQUEST object, so all the
 changes you made in your script are lost.  You can use return
 context.index_html, instead, to preserve the REQUEST.
 

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[Zope] FW: [newbie] Testing An External Method Object

2005-04-08 Thread Pier Paolo










From:
Pier Paolo [mailto:[EMAIL PROTECTED] 
Sent: Friday, April 08, 2005 2:47
PM
To: 'zope@zope.org'
Subject: [newbie] Testing An
External Method Object





Hi everyone! Great work, Im overadmired.



I just finished http://www.zope.org/Documentation/Books/ZopeBook/2_6Edition/BasicObject.stx,
where I posed a question:





Anonymous User - Apr. 8, 2005 7:48 am: Zope 2.7.5-final: My external method was: #def animals_script_2(self, name=Pier Paolo): # id = self.id # return 'Ciao! Sono %s dal %s: external method!' % (name, id) but (in this structure: /zoo/animals_scripts_2 (titles: Zope Zoo, TheANIMall 2)) it returned: Ciao! Sono Pier Paolo dal (...OK) zoo (...!): external method! I tried a title = self.title in the ext script but the problem was the same: Ciao! Sono Pier Paolo dal Zope Zoo ... So: Why my external script refer to his parent object?? (sorry for my english and my python.)

=



I would like a response, or some links to learn how
zope manage dependencies (if thats the real problem, and I havent
made too much mistakes).



PS: I dont know if this is the right place to
post a question on the Zope Book, hope so.



Thanks, Pier Paolo.






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[Zope] Zope/python: downloading images from the web and add them to Zope

2005-04-08 Thread BonviciniJ
I would like to know how to add image file from an URL.
I created a form with to pissibilities: add an image from a local file , and a 
image from an url

here is my form:
input type=radio name=sourcePicture checked onClick=lock_option() 
value=file
get from disk: input type=file name=pict_file size=40 accept=image 
maxlength=50

br

input type=radio name=sourcePicture onClick=lock_option() 
value=internet
get from the internetinput type=text name=pict_internet size=40 
value=http://www.monsite.fr/monimage.jpg; disabled=disabled

This form call a python script:

if REQUEST.sourcePict==file:
 pathImgs.manage_addProduct['OFSP'].manage_addImage(pict_+id, 
REQUEST.pict_file, title=pictogramme metier, precondition=, content_type=)
else:
pathImgs.manage_addProduct['OFSP'].manage_addImage(pict_+id, 
REQUEST.pict_internet, title=pictogramme metier, precondition=, 
content_type=)


With a locl file it works (case sourcePict=file), but when I want to add images 
from an url, it doesn't work.
I suppose that the second parameter of manage_addImage must be a file type.In 
the first case, it works , but in the second, the parameter passed is a string 
(complete url of the image).
so how to do?

thanks for your answers and excuse me for the lack in English (I'm french)
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Re: [Zope] best practices Zope filesystem development

2005-04-08 Thread Chris McDonough
Yup. 
http://www.zope.org/Members/mcdonc/Products/Standalone%20Skins%20Tool

On Fri, 2005-04-08 at 08:08, bruno modulix wrote:
 Andreas Jung wrote:
  
  
  --On Freitag, 8. April 2005 11:30 Uhr +0200 Milos Prudek [EMAIL 
  PROTECTED] 
  wrote:
  
  Hi,
 
  What are the best, most effective practices in leveraging filesystem when
  developing in Zope?
 
  I'm looking for an approach that would let me use keyboard and leave the
  mouse alone as much as possible. In other words, minimum use of ZMI even
  if TTW Python Scripts are used extensively. Instead of ZMI/External
  editor I need vim, grep, mv and cp to manipulate Zope ZODB.
  
  
  CFM + filesystem-based skin methods and templates. Or using ftp/webdav.
 
 BTW : there is a non-CFM skin implementation, but I found very few clues 
 about how to use it (being a bit lazy, I'd prefer not having to learn 
 the whole CFM stuff !-). Could someone point me to any exemple, doc or 
 whatsoever so I could get started ?
 
 TIA

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Re: [Zope] symbols undefined after product refresh?

2005-04-08 Thread Jens Vagelpohl
On Apr 8, 2005, at 15:20, Jürgen Herrmann wrote:
hi!
after reloading my own products through the zmi it seems like some
classes and methods gets undefined. please see the following
traceback:
Refresh is *not* the panacea to avoid all restarts. If things get 
funky, restart. Simple as that.

jens
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[Zope] ZPT and attributes

2005-04-08 Thread Antonio Beamud Montero
Hi all:
How I can create attribute names dynamically?
For example, I want something like this:
books ref1=http://boo; ref2=http://foo; ...

Where ref1 and ref2, are created by the url list.
I have done in DTML because I cannot with ZPT.

Thanks... 

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Re: [Zope] ZPT and attributes

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 4:51 PM, Antonio Beamud Montero
[EMAIL PROTECTED] wrote:
 Hi all:
 How I can create attribute names dynamically?

tal:attributes=attributename expression

For example, I want something like this:
books  tal:attributes=ref1 string:http://boo;;
  ref2 request/URL3 /

And so on.

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CPS Content Management http://www.cps-project.org/
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[Zope] Re: symbols undefined after product refresh?

2005-04-08 Thread Derrick Hudson
On Fri, Apr 08, 2005 at 03:20:52PM +0200, Jrgen Herrmann wrote:
[...]

| ps: this does not only happen to my SubClassCatalog, this also hits
| f.ex. from random import randint where randint gets undefined.

That makes sense.  The 'from-import' syntax creates a name in the
local namespace that refers to the indicated object.  If you reload
the module you imported from, then that object is going to go away (or
at least be re-constructed) and the reference you had may no longer be
valid.  It may be the case that reloading your module fails to
properly handle all of the imports.  Basically that's just the way it
is and it is difficult to try and implement reload completely
correctly (which is what Zope's refresh depends on ).

As has already been noted, simply restart and you definitely won't
have any problems.  Use a faster machine if the restart time is too
long ;-).

HTH,
-D

-- 
One OS to rule them all, one OS to find them,
One OS to bring them all and in the darkness bind them,
In the Land of Redmond, where the Shadows lie.
 
www: http://dman13.dyndns.org/~dman/jabber: [EMAIL PROTECTED]


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Re: [Zope] ZPT and attributes

2005-04-08 Thread Antonio Beamud Montero
El vie, 08-04-2005 a las 16:55 +0200, Lennart Regebro escribió:
 On Apr 8, 2005 4:51 PM, Antonio Beamud Montero
 [EMAIL PROTECTED] wrote:
  Hi all:
  How I can create attribute names dynamically?
 
 tal:attributes=attributename expression

Sorry, I haven't explain the problem correctly :)
The problem is the number of refX depends on the list of urls, i.e. if
I have ['http://foo', 'http://boo', 'http://google.com'] then I create:

books ref1='http://foo' ref2='http://boo' ref3='http://google.com'

but with ['http://foo'] I create:

books ref1='http://foo'

How I create refX?

Greetings.


 For example, I want something like this:
 books  tal:attributes=ref1 string:http://boo;;
   ref2 request/URL3 /
 
 And so on.
 

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Re: [Zope] ZPT and attributes

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 5:00 PM, Antonio Beamud Montero 
 The problem is the number of refX depends on the list of urls, i.e. if
 I have ['http://foo', 'http://boo', 'http://google.com'] then I create:
 
 books ref1='http://foo' ref2='http://boo' ref3='http://google.com'
 
 but with ['http://foo'] I create:
 
 books ref1='http://foo'

Ah.

 How I create refX?

I have no idea if that's even possible.

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Re: [Zope] Zope/python: downloading images from the web and add them to Zope]

2005-04-08 Thread Cliff Ford
[EMAIL PROTECTED] wrote:
I would like to know how to add image file from an URL. I created a
form with to pissibilities: add an image from a local file , and a
image from an url
You can get an image from a url with an External Method:
# Get an image using the original url.
import urllib
def getImage(url):
f = urllib.urlopen(url)
data = f.read()
f.close()
return data
Hope this is enough to put you on track.
Cliff
here is my form: input type=radio name=sourcePicture checked
onClick=lock_option() value=file get from disk: input
type=file name=pict_file size=40 accept=image
maxlength=50
br
input type=radio name=sourcePicture onClick=lock_option()
value=internet get from the internetinput type=text
name=pict_internet size=40
value=http://www.monsite.fr/monimage.jpg; disabled=disabled
This form call a python script:
if REQUEST.sourcePict==file: 
pathImgs.manage_addProduct['OFSP'].manage_addImage(pict_+id,
REQUEST.pict_file, title=pictogramme metier, precondition=,
content_type=) else: 
pathImgs.manage_addProduct['OFSP'].manage_addImage(pict_+id,
REQUEST.pict_internet, title=pictogramme metier, precondition=,
content_type=)

With a locl file it works (case sourcePict=file), but when I want to
add images from an url, it doesn't work. I suppose that the second
parameter of manage_addImage must be a file type.In the first case,
it works , but in the second, the parameter passed is a string
(complete url of the image). so how to do?
thanks for your answers and excuse me for the lack in English (I'm
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Re: [Zope] The Zope Book

2005-04-08 Thread Chris McDonough
I don't think anyone has given much thought to actually documenting all
these nice nifty features in 2.9.  Which is no change from the norm, and
it will be a fairly organic process again.  I hate it, but whatever.

- C


On Fri, 2005-04-08 at 11:22, Paul Winkler wrote:
 On Fri, Apr 08, 2005 at 10:59:46AM +0200, Lennart Regebro wrote:
  On Apr 8, 2005 8:48 AM, Chris Withers [EMAIL PROTECTED] wrote:
   Dieter Maurer wrote:
When will they feature in *the* Zope Book?
   
   Which The Zope Book are you referring to?
   
   The 2.6 one on Zope.org?
   The 2.7 one on Plope.com?
   The 3.whatever one somewhere-I-don't-know?
  
  I would expect it to be featured, that is mentioned as a recommended
  practice, in a Zope2.9 book, should one appear. I also thonk that with
  2.8 a 2.8 book should be released, which main feature could be to move
  the ZClass part to an appendix.
 
 I would love that. But in the present day, we haven't even finished the
 2.7 book.  I suppose we could just change the book's release number from
 2.7 to 2.8 and hope that's adequate ;-)
 
 But that leaves unanswered questions - should we document the Five stuff
 at all, and if so, how?
 
 The primary problem with the Zope Book is still the relative scarcity of
 resources (i.e. editors with time to work on it).
 
 The secondary problem with the Zope Book is that it's showing its age:
 the choice and organization of topics is IMHO less than ideal, but that
 can't be sufficiently addressed on a chapter-by-chapter basis, one needs
 to have a good overview of the whole project.  This vastly increases the
 scope of the task.
 
 Sadly I can't see the status quo changing unless somebody wants to
 invest sufficient money in the project so that some of the independent
 contractors involved could schedule work on the book as an actual paying
 job.  Hopefully one of two things will happen:
 
 * I will be proven wrong, or
 * such money will materialize somehow :-)

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Re: [Zope] The Zope Book

2005-04-08 Thread Paul Winkler
On Fri, Apr 08, 2005 at 05:41:30PM +0200, Lennart Regebro wrote:
 On Apr 8, 2005 5:22 PM, Paul Winkler [EMAIL PROTECTED] wrote:
  But that leaves unanswered questions - should we document the Five stuff
  at all, and if so, how?
 
 Well, the Five stuff is a subset of the Zope3 stuff, with way too much
 Zope2 stuff still necessary. The idea is that this should change quite
 rapidly and get more and more Zope3-ish and become less and less of a
 subset.
 
 So it may be that documenting it is a bit of a waste of time. I think
 the most realistic part is to rename the 2.7 book to 2.8, move
 ZClasses and DTML last, note that 2.8 includes some Zope3 support but
 don't document it.

OK, but there should at least be a pointer to something to read
for people wanting to get started with 2.8.0/Five. 
I haven't yet looked at any of the Five stuff.
Is there at least a README? :)
 
 Then we'll concentrate on getting 2.9s Zope3 support to be more
 Zope3-ish, and documenting the differences into a Zope2.9 book. ;)

Yes, I'm sure we will ;-)
 
 I don't have an overview of what needs to be done on the Zope book in
 general though.

Well, the chapter-by-chapter editing is still not done.
See http://plope.com/Books/zb_signup for an overview of the known
tasks to be done.

-- 

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http://www.slinkp.com
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Re: [Zope] The Zope Book

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 5:59 PM, Paul Winkler [EMAIL PROTECTED] wrote:
 OK, but there should at least be a pointer to something to read
 for people wanting to get started with 2.8.0/Five.
 I haven't yet looked at any of the Five stuff.
 Is there at least a README? :)

Sure. I don't guarantee that it's remotely relevant, however. :-)

 Well, the chapter-by-chapter editing is still not done.
 See http://plope.com/Books/zb_signup for an overview of the known
 tasks to be done.

OK, but that's better than expected, I'd say. :) It sais Finished on
a whole bunch of chapters.

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CPS Content Management http://www.cps-project.org/
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Re: [Zope] Persistent Objects

2005-04-08 Thread Roy S. Rapoport
On Fri, Apr 08, 2005 at 12:00:45PM +0200, Lennart Regebro wrote:
 Is this persistent even among server restarts, or persistent per
 request, or persistent per session? (the answer is different for all
 of them, and usually, in Zope, persistent means persistent over
 server restarts).

Ah, sorry.  In this case, it's persistent for the life of the server, so we
expect to re-initialize it when Zope restarts.  Oh, and it'd be nice to
give it a .reinit() capability too, if the user wants to refresh :)

-roy
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Re: [Zope] The Zope Book

2005-04-08 Thread Paul Winkler
On Fri, Apr 08, 2005 at 06:06:57PM +0200, Lennart Regebro wrote:
 On Apr 8, 2005 5:59 PM, Paul Winkler [EMAIL PROTECTED] wrote:
  Well, the chapter-by-chapter editing is still not done.
  See http://plope.com/Books/zb_signup for an overview of the known
  tasks to be done.
 
 OK, but that's better than expected, I'd say. :) It sais Finished on
 a whole bunch of chapters.

Yep! But only about half. 
Current stats for anyone who cares:

Finished15
In Progress 12
Not Started 1
Unclaimed   4



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Re: [Zope] Persistent Objects

2005-04-08 Thread Roy S. Rapoport
On Fri, Apr 08, 2005 at 11:30:23AM +0200, bruno modulix wrote:
 Look into Product, ZODB, and acquisition !-)

Excellent.  It looks like persistence may not be an issue here, actually,
since I think the persistence I want -- hang around for the life of the
Zope server -- is built in anyway, right?

So what's a decent source these days for 'how to write a product'
documentation? The Zope Developers Guide is in 2.4.

-roy
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Re: [Zope] Persistent Objects

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 6:44 PM, Roy S. Rapoport [EMAIL PROTECTED] wrote:
 Excellent.  It looks like persistence may not be an issue here, actually,
 since I think the persistence I want -- hang around for the life of the
 Zope server -- is built in anyway, right?

Yup, you would simply use the temp db for that. 
But for the life of the server is rather unusual... What are the
objects you are doing, more specifically?

 So what's a decent source these days for 'how to write a product'
 documentation? The Zope Developers Guide is in 2.4.

It hasn't changed that much. Stay clear of ZClasses and DTML.

(Although, if you aren't planning to use any third-party products, you
might actually want to look into using Zope3 instead, which is way
cooler, but a tad more complicated to get started with).

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Re: [Zope] Persistent Objects

2005-04-08 Thread Roy S. Rapoport
On Fri, Apr 08, 2005 at 06:48:49PM +0200, Lennart Regebro wrote:
 But for the life of the server is rather unusual... What are the
 objects you are doing, more specifically?

We're porting a web application to manage a collection of DNS and DHCP
servers.  At startup time, we talk to each of these DNS and DHCP servers to
ask them what zones they know about (in the case of the DNS servers) and
what pools of addresses they use (in the case of the DHCP servers).  This
information changes rarely, and costs some time to acquire.  

Actually having said this just now, I'd say a better solution for us would
be to actually initialize an object when the user logs in -- we can
tolerate that delay, and that gives us a relatively fresh snapshot of the
current situation.  Don't know how that changes things.  It feels like it
should make it easier.

 (Although, if you aren't planning to use any third-party products, you
 might actually want to look into using Zope3 instead, which is way
 cooler, but a tad more complicated to get started with).

Hmm.  I'd be willing to use Z3, I think -- I haven't done Zope development
for about 6-9 months, but all my previous experience has been on 2.x.  The
other people involved in this are all brand new to Zope.  Why should I use
Z3? Does it have better documentation? :)

-roy
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Re: [Zope] Persistent Objects

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 6:55 PM, Roy S. Rapoport [EMAIL PROTECTED] wrote:
 Actually having said this just now, I'd say a better solution for us would
 be to actually initialize an object when the user logs in -- we can
 tolerate that delay, and that gives us a relatively fresh snapshot of the
 current situation.  Don't know how that changes things.  It feels like it
 should make it easier.

Yes, and no.

In that case I would just store the information as usual in the ZODB,
that is, the data is persistent across server restarts, but call a
method that updates it when you log in (or simply have a button to do
it).

But the difference is rather small, since yo just call the methods at
different times, and store the information in different places.

 Hmm.  I'd be willing to use Z3, I think -- I haven't done Zope development
 for about 6-9 months, but all my previous experience has been on 2.x.  The
 other people involved in this are all brand new to Zope.  Why should I use
 Z3? Does it have better documentation? :)

Actually, it does, :) But mainly, it solves a lot of things that were
problematic with Zope. All development is (currently, this will
change) done on the file system, no more tricky Python Scripts for
example.

It also allows you to do more things in pure Python, and then wrap
it in Zope configuration stuff. That makes test driven development
easier, and also reusing pure python stuff gets easier.

Read a bit about it, and see what you think:
http://www.zope.org/Wikis/DevSite/Projects/ComponentArchitecture/FrontPage/Zope3Book

Zope2 is still good. Zope 3 is just better, in many ways, although it
still lacks in third-party product support.

-- 
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CPS Content Management http://www.cps-project.org/
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Re: [Zope] Persistent Objects

2005-04-08 Thread Roy S. Rapoport
On Fri, Apr 08, 2005 at 07:13:11PM +0200, Lennart Regebro wrote:
 In that case I would just store the information as usual in the ZODB,
 that is, the data is persistent across server restarts, but call a
 method that updates it when you log in (or simply have a button to do
 it).

That works. 

 Actually, it does, :) But mainly, it solves a lot of things that were
 problematic with Zope. All development is (currently, this will
 change) done on the file system, no more tricky Python Scripts for
 example.

Hmm.  Wouldn't this allow for massively simpler integration with CVS, then?

 It also allows you to do more things in pure Python, and then wrap
 it in Zope configuration stuff. That makes test driven development
 easier, and also reusing pure python stuff gets easier.

Nifty!

 
 Read a bit about it, and see what you think:
 http://www.zope.org/Wikis/DevSite/Projects/ComponentArchitecture/FrontPage/Zope3Book
 
 Zope2 is still good. Zope 3 is just better, in many ways, although it
 still lacks in third-party product support.

I'm a bit concerned about my perception of Zope 3's flux.  I was especially
dismayed to see, in the Z3 book,
---
 Zope 3 will come with an advanced ZODB to Filesystem synchronization tool,
similar to CVS. This will allow people to make local copies of their sites
work on it and check in the changes and much more. This recipe will explain
how to effectively use this tool.

Note: This chapter will not be included in the first version of the book,
since Zope X3 3.0.0 will not ship with it and it is not actively maintained
at this point. 
---

The first paragraph was great.  The second wasn't :)

-roy
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[Zope] Re: ZPT and attributes

2005-04-08 Thread Josef Meile
Hi Antonio,

Hi all:
How I can create attribute names dynamically?
tal:attributes=attributename expression

Sorry, I haven't explain the problem correctly :)
The problem is the number of refX depends on the list of urls, i.e. if
I have ['http://foo', 'http://boo', 'http://google.com'] then I create:
books ref1='http://foo' ref2='http://boo' ref3='http://google.com'
but with ['http://foo'] I create:
books ref1='http://foo'
How I create refX?
Greetings.

For example, I want something like this:
books  tal:attributes=ref1 string:http://boo;;
 ref2 request/URL3 /
And so on.
I think you are using zpt for the wrong thing. For me it seems that what
you should use would be a xml product like ParsedXML. I haven't used it,
but I have taken a look at the source code of Silva and saw that it may
be possible to create dynamic attributes with a setAttribute or some
thing like that.
Regards,
Josef
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Re: [Zope] Persistent Objects

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 7:26 PM, Roy S. Rapoport [EMAIL PROTECTED] wrote:
 Hmm.  Wouldn't this allow for massively simpler integration with CVS, then?

It does yes. But developing on the file system only is possoble with
Zope2 as well, of course, so theres not actual difference there.
However, typically with Zope2 you end up using CMF as well, and
although scripts and ZPTs are stored on the filesystem there, CMF
treats them as if they are not, and hence you have security
restrictions, which means you have to use restricted python, and then
you have to trick yourself around that, and so on forever...  ;-)
Easier to just have plain Python all the way.

 I'm a bit concerned about my perception of Zope 3's flux.  I was especially
 dismayed to see, in the Z3 book,
 ---
  Zope 3 will come with an advanced ZODB to Filesystem synchronization tool,
 similar to CVS. This will allow people to make local copies of their sites
 work on it and check in the changes and much more. This recipe will explain
 how to effectively use this tool.
 
 Note: This chapter will not be included in the first version of the book,
 since Zope X3 3.0.0 will not ship with it and it is not actively maintained
 at this point.
 ---
 
 The first paragraph was great.  The second wasn't :)

Well, that was all a part of the ideas they had for through-the-web
development, and that was put on hold to implement other stuff. With
file-system development only, you don't need it. :)

-- 
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CPS Content Management http://www.cps-project.org/
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Re: [Zope] The Zope Book

2005-04-08 Thread Stephan Richter
On Friday 08 April 2005 11:22, Paul Winkler wrote:
 The primary problem with the Zope Book is still the relative scarcity of
 resources (i.e. editors with time to work on it).

 The secondary problem with the Zope Book is that it's showing its age:
 the choice and organization of topics is IMHO less than ideal, but that
 can't be sufficiently addressed on a chapter-by-chapter basis, one needs
 to have a good overview of the whole project.  This vastly increases the
 scope of the task.

Note that my Zope 3 book is published under CC license. I could ask SAMS 
whether it would be okay to include parts (with proper reference and 
copyright notice) in the online version of the Zope 2 book.

That will not document Five, but some of the component architecture.

Regards,
Stephan
-- 
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CBU Physics  Chemistry (B.S.) / Tufts Physics (Ph.D. student)
Web2k - Web Software Design, Development and Training
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[Zope] Windows compile Zope 2.8?

2005-04-08 Thread David H
Hi List,
I notice that the latest Zope does not have a Windows binary release yet 
(zope 2.80 alpha 2).

I found an old Visual C 6.0 (still in the box!) and wonder if there are 
instructions somewhere that I can follow to create my own binary on 
Windows XP?

Thanks, David
ps - Maybe I'm having a bad goggling day but couldnt find something 
useful.  I did see that Visual C is used often for this.



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[Zope] Re: Windows compile Zope 2.8?

2005-04-08 Thread Tres Seaver
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

David H wrote:
 Hi List,
 
 I notice that the latest Zope does not have a Windows binary release yet
 (zope 2.80 alpha 2).
 
 I found an old Visual C 6.0 (still in the box!) and wonder if there are
 instructions somewhere that I can follow to create my own binary on
 Windows XP?

Assuming that VC6 is the compiler used to build Python (should be true
for Python  2.4):

  C:\Zope-2.8.0a2 python.exe setup.py build_ext --inplace

Tres.
- --
===
Tres Seaver[EMAIL PROTECTED]
Zope Corporation  Zope Dealers   http://www.zope.com
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.2.5 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFCVvN+GqWXf00rNCgRAvg9AJ9a1ytUMxwVSml+yHvdtjYgjqhriwCeJXzw
3P5CwSXbsx5BXgCmKcas96c=
=PVot
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Re: [Zope] ExtFile Extention Mappings

2005-04-08 Thread Satchidanand Haridas
Hi,
Have you had a look at the Config.py file? I believe you can change the 
settings there so that the Zope filenames are preserved including the 
extensions. More specifically, I am referring to the following section 
in Config.py:

section
# repository file extension handling
ZOPEID = 0  # use ZOPEID (even if it doesn't include an 
extension)
MIMETYPE_APPEND = 1 # append extension to ZOPEID according to mimetype
MIMETYPE_REPLACE = 2# remove extension from ZOPEID, then append mime 
extension

REPOSITORY_EXTENSIONS = MIMETYPE_REPLACE
/section
Thanks.
Satchit
Edward Pollard wrote:
In our quest to replace the not-quite-working External File product, 
we're looking at ExtFile. However, when I upload files into an 
ExtFile, file extensions on the file system are being changed. 
test1.txt becomes test1.ksh, test2.doc becomes test2.dot. They have 
the correct ID's in the ZMI, but on the file system they now have 
something quite new.

Our solution relies on accessing via the ZMI and the file system at 
the same time, so the name being changed is somewhat inconvenient in 
its unpredictability (and I think Apaches mime types will get nicely 
screwed if we start bypassing Zope to get at them). I've done some 
poking at the source code but don't see why ExtFile is doing this or 
what logic it uses.

I bet someone out there knows.
---
Edward J. Pollard, B.Sc
Webmaster, University of Lethbridge
Ext. 1828
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[Zope-Checkins] SVN: Zope/branches/ajung-epi-integration/ Trying to marry PathIndex with ExtendedPathindex

2005-04-08 Thread Andreas Jung
Log message for revision 29908:
  Trying to marry PathIndex with ExtendedPathindex
  

Changed:
  A   Zope/branches/ajung-epi-integration/

-=-
Copied: Zope/branches/ajung-epi-integration (from rev 29907, Zope/trunk)

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[Zope-Checkins] SVN: Zope/branches/ajung-epi-integration/ removed

2005-04-08 Thread Andreas Jung
Log message for revision 29916:
  removed
  

Changed:
  D   Zope/branches/ajung-epi-integration/

-=-
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Re: [Zope-dev] To ZCML or not ;-)

2005-04-08 Thread Chris Withers
Lennart Regebro wrote:
You know the feeling when a third party product has the wrong
permission or no permission at all on something? What are you gonna
do? Subclass: Lots of work. Patch: You gotta keep it updated. With
ZCML, you override it. TADA!
Yes, this is all stuff I know and love about Z3 ;-) When I last saw 
ZCML, it was horrible though. I don't mind XML, just not if it lots of 
pointless typing...

Jim suggests that ZCML has got better, I hope so, in which case I won't 
have to write an alternative that uses the same underlying 
infrastructure :-D

cheers,
Chris
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[Zope-dev] Turning off product installation in zope.conf on all zeo clients?

2005-04-08 Thread Chris Withers
Hi,
There's an option to turn off prudct installation in zope.conf.
What happens if you turn this off in all zeo clients?
cheers,
Chris
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Re: [Zope-dev] To ZCML or not ;-)

2005-04-08 Thread Martijn Faassen
Chris Withers wrote:
Lennart Regebro wrote:
You know the feeling when a third party product has the wrong
permission or no permission at all on something? What are you gonna
do? Subclass: Lots of work. Patch: You gotta keep it updated. With
ZCML, you override it. TADA!

Yes, this is all stuff I know and love about Z3 ;-) When I last saw 
ZCML, it was horrible though. I don't mind XML, just not if it lots of 
pointless typing...

Jim suggests that ZCML has got better, I hope so, in which case I won't 
have to write an alternative that uses the same underlying 
infrastructure :-D
Since ZML is XML, creating a less verbose language may be easier to 
accomplish by actually *using* the XML infrastructure, and translating 
your language to ZCML.

Anyway, while I have my criticisms of ZCML, too much typing is really 
not very important in my list. You can get it somewhat shorter, I'm 
sure, but not *that* much shorter. I'd worry more about the reading part 
than the writing.

Regards,
Martijn
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Re: [Zope-dev] Turning off product installation in zope.conf on all zeo clients?

2005-04-08 Thread Jens Vagelpohl
On Apr 8, 2005, at 11:00, Chris Withers wrote:
Hi,
There's an option to turn off prudct installation in zope.conf.
What happens if you turn this off in all zeo clients?

New products don't get installed..?
jens
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Re: [Zope-dev] To ZCML or not ;-)

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 12:54 PM, Martijn Faassen [EMAIL PROTECTED] wrote:
 Chris Withers wrote:
  Lennart Regebro wrote:
 
  You know the feeling when a third party product has the wrong
  permission or no permission at all on something? What are you gonna
  do? Subclass: Lots of work. Patch: You gotta keep it updated. With
  ZCML, you override it. TADA!
 
 
  Yes, this is all stuff I know and love about Z3 ;-) When I last saw
  ZCML, it was horrible though. I don't mind XML, just not if it lots of
  pointless typing...
 
  Jim suggests that ZCML has got better, I hope so, in which case I won't
  have to write an alternative that uses the same underlying
  infrastructure :-D
 
 Since ZML is XML, creating a less verbose language may be easier to
 accomplish by actually *using* the XML infrastructure, and translating
 your language to ZCML.
 
 Anyway, while I have my criticisms of ZCML, too much typing is really
 not very important in my list. You can get it somewhat shorter, I'm
 sure, but not *that* much shorter. I'd worry more about the reading part
 than the writing.

Yeah, I mean:

something:something  foo=bar  frotz=fnyppel

   fingal:ohlsson
   bitbucket=buccaneer 
   /

/something:something

Is not significantly shorter than:

something/something:
   foo=bar
   frotz=fnyppel

   fingal/ohlsson:
  bitbucket=buccaneer

Which would be really a minimal/shortest way to write it.
   
For me, the main drawback with ZCML is that WingIDE doesn't to auto
completion on it. ;) An ZCML editor that automatically popped up a
list of the supported keywords for every statement would be really
nice. :-p

A benefit of using an XML format is that many editors will happily
both do syntax high-lighting, some sort of auto-indentation, and
automatic commenting/uncommenting. A non-standard syntax wouldn't do
that.

-- 
Lennart Regebro, Nuxeo http://www.nuxeo.com/
CPS Content Management http://www.cps-project.org/
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Re: [Zope-dev] To ZCML or not ;-)

2005-04-08 Thread Jim Fulton
Lennart Regebro wrote:
On Apr 8, 2005 12:54 PM, Martijn Faassen [EMAIL PROTECTED] wrote:
...
A benefit of using an XML format is that many editors will happily
both do syntax high-lighting, some sort of auto-indentation, and
automatic commenting/uncommenting. A non-standard syntax wouldn't do
that.
Speaking of which, a nice little project for someone would be
to write a generator to generate RelaxNG schemas from ZCML
meta configuration.  Then XML editors could provide more help with
the editing, possibly including hings like autocompletion.
This should be a realtively easy task in that apidoc already has
code for extracting documentation from meta configuration.
Jim
--
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Re: [Zope-dev] To ZCML or not ;-)

2005-04-08 Thread Stephan Richter
On Friday 08 April 2005 03:24, Chris Withers wrote:
 Yes, this is all stuff I know and love about Z3 ;-);-) When I last saw
 ZCML, it was horrible though. I don't mind XML, just not if it lots of
 pointless typing...

Can you be more specific? I think ZCML is very compact.

Regards,
Stephan
-- 
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CBU Physics  Chemistry (B.S.) / Tufts Physics (Ph.D. student)
Web2k - Web Software Design, Development and Training
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Re: [Zope-dev] To ZCML or not ;-)

2005-04-08 Thread Stephan Richter
On Friday 08 April 2005 07:34, Lennart Regebro wrote:
 For me, the main drawback with ZCML is that WingIDE doesn't to auto
 completion on it. ;) An ZCML editor that automatically popped up a
 list of the supported keywords for every statement would be really
 nice. :-p:

Yeah, I talked to Stephan and John about that already. Using Wing's new plugin 
architecture, it should be possible to insert such functionality. Another 
good application for the plugin system would be the recognition of interfaces 
by showing the interface documentation of a class implementing a certain 
interface.

Regards,
Stephan
-- 
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CBU Physics  Chemistry (B.S.) / Tufts Physics (Ph.D. student)
Web2k - Web Software Design, Development and Training
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Re: [Zope-dev] Re: [Zope 2.8] Inclusion of ExtendedPathIndex?

2005-04-08 Thread Andreas Jung

--On Donnerstag, 7. April 2005 8:00 Uhr -0400 Tres Seaver 
[EMAIL PROTECTED] wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Andreas Jung wrote:
I wonder if it is of public interest to include the ExtendedPathIndex
from Plone in Zope 2.8.
It offers some the nice extension  to limit the depth of the search and
improves building navigation-trees
or similar structures. Opinions?
I doubt many folks on this list know the code that well.  Are you
thinking to lift the features you mention, making them part of the
regular PathIndex?
I succeeded in merging the ExtendedPathIndex code with the existing
PathIndex code without changing the existing behaviour (means
all original tests + the new tests) pass.
Andreas

pgpzfM5WuKiur.pgp
Description: PGP signature
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Re: [Zope-dev] To ZCML or not ;-)

2005-04-08 Thread Lennart Regebro
On Apr 8, 2005 3:09 PM, Stephan Richter [EMAIL PROTECTED] wrote:
 On Friday 08 April 2005 07:34, Lennart Regebro wrote:
  For me, the main drawback with ZCML is that WingIDE doesn't to auto
  completion on it. ;) An ZCML editor that automatically popped up a
  list of the supported keywords for every statement would be really
  nice. :-p:
 
 Yeah, I talked to Stephan and John about that already. Using Wing's new plugin
 architecture, it should be possible to insert such functionality. Another
 good application for the plugin system would be the recognition of interfaces
 by showing the interface documentation of a class implementing a certain
 interface.

Cool, that's good news. I won't have time to do it for the forseeable
future though...

-- 
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CPS Content Management http://www.cps-project.org/
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Re: [Zope-dev] To ZCML or not ;-)

2005-04-08 Thread Martijn Faassen
Lennart Regebro wrote:
[snip]
For me, the main drawback with ZCML is that WingIDE doesn't to auto
completion on it. ;) An ZCML editor that automatically popped up a
list of the supported keywords for every statement would be really
nice. :-p
Actually emacs + nxml + the Relax NG schema (unfortunately out of date; 
it should be autogenerated from the code) for ZCML does that.

A benefit of using an XML format is that many editors will happily
both do syntax high-lighting, some sort of auto-indentation, and
automatic commenting/uncommenting. A non-standard syntax wouldn't do
that.
Yup, and if you use some XML editor (or an XML editor extension for your 
favorite editor) it can do quite sophisticated schema-driven stuff.

Regards,
Martijn
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[Zope-dev] Re: ZPT: defer expression fix

2005-04-08 Thread Christian Heimes
Evan Simpson wrote:
Christian Heimes wrote:
That's an interessting use case. Do you want me to keep the code and 
make up a new expression? I'm thinking about lazy:.

If you have a particular use for defer: that would justify the split, 
please go ahead.  I have no particular interest in keeping it.
I left defer: like it was coded by you and added a new expression lazy: 
that is working like a lazy initialization variable.

Christian
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[Zope-dev] Re: ZPT: defer expression fix

2005-04-08 Thread Christian Heimes
Tres Seaver wrote:
I'd be glad to help with that, Christian.
I've added a doc string to the DeferExpr module. Do you want me to write 
 more docs is it enough to be added to the ZPT guide?

Also I need a little help for the unit tests. How can I emulate 
tal:content or similar inside an expression test?

Except of some missing unit tests the branch is ready to merge. I would 
like to get the changes into Zope 2.7.6 so we could use them for Plone 
2.1.0.

Christian
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[Zope-dev] debug-mode on under Windows 2000.

2005-04-08 Thread DonJFreeman
Zope Version: (Zope 2.7.3-0, python 2.3.4, win32) 
Python Version: 2.3.4 (#53, May 25 2004, 21:17:02) [MSC v.1200 32 bit (Intel)] 
System Platform: Windows 2000

I'm trying to get Zope to reload my Python modules so I don't have to restart Zope after code changes. Even with debug-mode on (according to the zope config file, it defaults to on) my modules are not being reloaded unless I do a restart. Is there a fix for this?

Thanks,
Don

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Re: [Zope-DB] Null characters booleans

2005-04-08 Thread Charlie Clark

On 2005-04-08 at 10:44:59 [+0200], Andrew Veitch 
[EMAIL PROTECTED] wrote:
 We'd be willing to provide patches for both these issues if there's
 interest and agreement it's a sensible way to go.

The most sensible thing is if the DA does not have to do the quoting at all 
and that this is either done by the underlying Python driver or better 
still by the database. This is significantly faster and safer.

If you use our mxODBCZopeDA as an ExternalMethod you can use bound 
parameters  (have your cake and eat it).

We started some work on a replacement last year after EuroPython and you 
can check the archives for our progress. My cycling accident interrupted 
work :-/ but I'm starting to look at using SimpleTemplates in conjunction 
with a considerably simplified DB.py which will do little more than call 
the .execute() on the connection.

Charlie
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Re: [Zope-DB] Creating a hyperlink using results from query

2005-04-08 Thread Charlie Clark

On 2005-04-08 at 11:44:17 [+0200], Martin Jennings [EMAIL PROTECTED] 
wrote:
 Firstly, thank you to those who answered by query on the empty result set,
 it set me on the way to finding a solution.
 
 Not sure if this is the right list to ask on, but here is the question.
 
 I have got information from a ZSQL request in a result set and I want to
 use one of the values as a parameter in a hyperlink, how do I do this?
 
 I.e. a href=htmlPage?parameter=ZSQLValuemy linka
 
 How do I write the code for this?
 
 Thank you in advance, and once again, sorry if this is not the correct list.

Hi Martin,

read up on doing this with PageTemplates. You need to use the TALES keyword 
attributes

Something similar to

block tal:repeat=result myQuery
a tal:attributes=href result/link tal:content=result/value/a
/block

is what you want.

Charlie
-- 
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eGenix.com

Professional Python Services directly from the Source
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  mxODBC, mxDateTime, mxTextTools ...http://python.egenix.com/


::: Try mxODBC.Zope.DA for Windows,Linux,Solaris,FreeBSD for free ! 
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Re: [Zope-DB] Returning values from Oracle function/procedure withZSQLMethod

2005-04-08 Thread Cynthia Kiser
Quoting Jim Abramson [EMAIL PROTECTED]:
 In our experience we ended up needing to do increasingly complex
 things with plsql, and ultimately, we had no choice to move all our
 db access out into ExternalMethods or Products and use DCOracle2
 directly.  This does require constructing your own connection
 pool/management, but once you've built that you can leverage
 DCOracle2 directly in python and this provides much more
 flexibility.

When you do our own connection management, are you able to avoid
DCOracle2 leaking connections? In our Zope 2.6.1/DCOracle2-1.3b
server, we accumulate sessions where Oracle is waiting for a response
from Zope, but Zope apparently thinks it closed that connection and
opened a new one. Manually closing and reopening the connection does
not clean up the forgotten sessions, so I periodically (~monthly)
restart the Zope server to clean up. Killing the Zope processes
seems to finally signal Oracle (on a remote machine) that the client
is no longer interested in those old open sessions.

The smidge of testing I did with DCOracle2 from the command line left
me with the impression that its connection closing function did not
work. I could close a connection - and then still use it to talk to my
database. I wasn't really sure enough of those tests to report this as
a bug, but it is vaguely troubling. 

-- 
Cynthia Kiser

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[Zope-DB] UnpicklingError in Ape 1.0

2005-04-08 Thread Dinh Trung Viet
Hi all,
I had a problem when trying to use Ape 1.0 in Zope 2.7 to store data in
MySQL database. I cannot add objects into the mount point portion (default
is '/sql'). Here is the trace back I found in log file:
2005-04-06T15:12:01 INFO(0) ZODB conflict error at
/sql/manage_addProduct/OFSP/manage_addImage (1 conflicts since startup at
2005-04-06T15:08:45)
--
2005-04-06T15:12:02 ERROR(200) ZODB Couldn't load state for '5'
Traceback (most recent call last):
 File C:\TestSites\APE\Products\Ape\lib\apelib\zodb3\connection.py, line
359, in setstate
   event = osio.deserialize(oid, obj, classification, state)
 File C:\TestSites\APE\Products\Ape\lib\apelib\core\io.py, line 160, in
deserialize
   mapper.serializer.deserialize(event, state)
 File C:\TestSites\APE\Products\Ape\lib\apelib\core\serializers.py, line
121, in deserialize
   s.deserialize(event, state)
 File C:\TestSites\APE\Products\Ape\lib\apelib\zodb3\serializers.py, line
291, in deserialize
   s = u.load()
UnpicklingError: unpickling stack underflow
I have no idea why. Everything works fine with filesystem storage.
Could anyone help?!
Thanks,
Dtvie


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