[Zope] Re: WebDAV

[Tres Seaver]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Luiz Fernando B. Ribeiro wrote:
> I'm using webdav to update to access files from Dreamweaver and it is
> working fine but when I try to use windows web folders feature it fails
> with the following error in zope log. It seems that windows is
> requesting the PROPFIND before authenticating. Any clues?
> 
> Zope Version (Zope 2.7.5-final, python 2.3.5, linux2)
> Python Version 2.3.5 (#2, May 4 2005, 08:51:39) [GCC 3.3.5 (Debian
> 1:3.3.5-12)]
> System Platform linux2
> 
> Time  2005/06/27 15:05:48.973 GMT-3
> User Name (User Id) Anonymous User (None)
> Request URL http://my.server/clientes/PROPFIND
> Exception Type Unauthorized
> Exception Value You are not authorized to access this
> resource.
> 
> Traceback (innermost last):
> 
> * Module ZPublisher.Publish, line 92, in publish
> * Module ZPublisher.BaseRequest, line 449, in traverse
> * Module ZPublisher.HTTPResponse, line 680, in unauthorized
> 
> Unauthorized: You are not authorized to access this
> resource.
> 
> Thanks in advance,

The Windows WebFolder implementation has been non-compliant with the DAV
spec from the beginning, and further broken in various ways in each version.

The usual recommendation is to buy an alternative, e.g. Enfold Systems'
PloneDesktop, or WebDrive.


Tres.
- --
===
Tres Seaver  +1 202-558-7113  [EMAIL PROTECTED]
Palladion Software   "Excellence by Design"http://palladion.com
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Re: [Zope] Re: WebDAV

[Chris McDonough]

On Tue, 2005-06-28 at 03:57 -0400, Tres Seaver wrote:
> The Windows WebFolder implementation has been non-compliant with the DAV
> spec from the beginning, and further broken in various ways in each version.
> 
> The usual recommendation is to buy an alternative, e.g. Enfold Systems'
> PloneDesktop, or WebDrive.
> 

The bug may be shallower than that.  Luiz, have you tried using the URL
syntax that includes a username and password when using "open as
webfolder"?

http://user:[EMAIL PROTECTED]:port/

Webfolders do work against Zope, just not very reliably.  MS breaks them
every so often in subtle fun ways.  For instance, I read a blog post
somewhere that said an update to Win 2K in January broke Webfolders
against Zope completely... I haven't had such luck, my web folders still
work sometimes .

- C


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[Zope] CMF 1.5.2beta released

[Jens Vagelpohl]

Zope Corporation is pleased to announce the release of version  
1.5.2beta of the Zope Content Management Framework (CMF). This  
release is intended for testing purposes only;  we do not recommend  
deploying it to production servers.  The final release of version  
1.5.2 is expected mid-July 2005.


What is the CMF?

The Zope Content Management Framework provides a set of
services and content objects useful for building highly
dynamic, content-oriented portal sites.  As packaged, the
CMF generates a site much like the Zope.org site.  The CMF is
intended to be easily customizable, in terms of both the
types of content used and the policies and services it
provides.

Where do I get it?

Download it from http://zope.org/Products/CMF/CMF-1.5.2beta

Points of interest include:

- "Windows ZIP file",
  http://zope.org/Products/CMF/CMF-1.5.2beta/CMF-1.5.2beta.zip

- "Unix tar/gzip archive",
  http://zope.org/Products/CMF/CMF-1.5.2beta/CMF-1.5.2beta.tar.gz .

- "Release notes",
  http://zope.org/Products/CMF/CMF-1.5.2beta/README.txt

- "Change history",
  http://zope.org/Products/CMF/CMF-1.5.2beta/CHANGES.txt

- "Installation instructions",
  http://zope.org/Products/CMF/CMF-1.5.2beta/INSTALL.txt

Where do I go to learn more?

The CMF mailing list ([EMAIL PROTECTED]) has many
participants who are active in supporting the CMF.

...to report bugs?

The "CMF Collector":http://zope.org/Collectors/CMF
is the place to report bugs (please search for existing
reports of your issue first!)


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[Zope] Re: Sharing global data between threads / locking a method

[Max M]

Dieter Maurer wrote:

Max M wrote at 2005-6-27 15:53 +0200:


...
So in a external method/module I have a function like this:

BUSY_STATE = 0
def sync_in_progress(busy=None):
   global BUSY_STATE
   if busy is None:
   return BUSY_STATE
   else:
   BUSY_STATE = busy



Note that this is likely to fail.

The module containing an External Method is maintained in the
ZODB cache. As a consequence, each worker gets its own copy
and you cannot synchronize via global variables of such modules.

Use a true Python module (note that Zope does not import
the source file of an External Method; therefore, it is
not inside a module in the Python sense) when you need
synchronization via global module level variables.


I wrote a small tool and ended up with this:

BUSY_STATE = 0

def sync_in_progress(busy=None):
global BUSY_STATE
print ''
print 'BUSY_STATE:', BUSY_STATE, 'busy:', busy
print ''
if not busy is None:
BUSY_STATE = busy
return BUSY_STATE

class Syncer(UniqueObject, PropertyManager,
   SimpleItem.SimpleItem, ActionProviderBase):

def redirect(self, url):
self.REQUEST.RESPONSE.redirect(url)

def reset(self):
"reset"
return repr(sync_in_progress(0))

def sync(self):
"Syncs"
print '##'
print 'sync start'
if not sync_in_progress():
sync_in_progress(1)
self.redirect('%s/sync_action' % self.absolute_url())
else:
return 'SYNC: in progress'

def sync_action(self):
"sync_action"
# do stuff
sync_in_progress(1)
self.sync_calendar()
self.sync_email()
sync_in_progress(0)
return 'SYNC: done'

It doesn't seem to work without the redirect. Which is the reason for 
having both a sync and a sync_action method.


--

hilsen/regards Max M, Denmark

http://www.mxm.dk/
IT's Mad Science

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[Zope] Tweaking Zope DB- and connection parameters

[Germer, Carsten]

Hello everyone,

I'm trying to figure out what I can set all (I know) Zope Parameters to
to get a good overall performance on our "old" live installation.
We have a new System with upgraded Zope and the like in the making but
untill then I'm trying to keep what is up smooth and stable.

Machine: Dual Pentium with 4Gig Ram running on Suse Linux. Zope 2.7.2
with Python 2.3.4 and ZMS for the Sites. There's a recent Apache 1.3.x
in Front for caching and like 25 Sites running on the system, some very
rarely visited some more loaded.

While running the system with out-of-the-box-parameters at times of high
load the RAM went full, the machine started swapping and spiraling down
so I started to set limits in Apache and Zope. I was mostly just
guessing!

Apache is set to "MaxClients 50"
Zope.conf has set "zserver-threads 5" and 

cache-size 500
pool-size 25
...


With this settings the machine tops at load around 1.8 - 2 and no
swapping takes place *puuh* but still users sometimes, too often for
users taste, get to wait a minute and longer for their page. For me it
tastes like a garbage collection or whatnot because after 5-20 minutes
everything is fine again for an hour or two...

- Apaches "MaxClients" is set for general limit
- zserver-threads: How many ppl, approx., can connect with this set to
5? Would be good to synchronize this with the apache settings somehow?
- cache-size: This is per DB connection (pool-size) as I have learned, I
did set this down to limit memory usage
- pool-size: number of concurrent DB-Connections as I learned. Does
every concurrent connection have to have it's own db-connection or do N
zserver-threads share one?

What I'm looking for is general advice how these parameters work and can
be set for best cooperation. Or if there are other Params that I have
missed yet ;)

E.g. "every zserver-thread uses one db-connection and can server one
user so for 50 concurrent users you have to set everything to 50 and
tweak cache-size according to 'Cache Parameters' in the Zope config and
your RAM-load behaves" Which is nonsense I bet but something like that
would help me great time.

Thanks in Advance for any Help! /Carsten


Carsten Germer Deutsches Elektronen Synchrotron (Web-Office, IT)
phone:  +49-40-8998-1661Notkestr. 85
web: http://wof.desy.de22607 Hamburg
e-mail: [EMAIL PROTECTED]   Germany

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RE: [Zope] Tweaking Zope DB- and connection parameters

[Pascal Peregrina]

zserver-threads and pool-size should be almost the same.

Each HTTP request from Apache to Zope uses a Connection object bound to a
Transaction object.

As each Connection object has its own cache, then if the connection pool
size is much higher than the number of zsever threads, you could end up
using new connections with empty cache when it's not necessary... This will
make the request response time slower (cause the connection will need to get
all objects from ZODB) and will end up using unecessary memory (cause all
connection caches will be caching objects).

I would recommend pool-size 8 if you keep zserver-threads to 5.
(I don't know why pool-size must be a little higher than threads, but the
default configuration is 4 threads and 7 connections, so...)

Then try increasing the cache size, because if you have lots of different
websites, caching 500 objects will probably cause each connection to often
load objects from ZODB (cache miss). To monitor that you can use Control
Panel -> Database Management -> Main -> Cache Parameters
For each connection, if the number of active objects hits your 500 limit,
then it may be a good idea to increase it.
But of course this will depend oh the available memory you have.

Hope this helps.

Pascal



-Message d'origine-
De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] la part de
Germer, Carsten
Envoyé : mardi 28 juin 2005 11:32
À : zope list user
Objet : [Zope] Tweaking Zope DB- and connection parameters


Hello everyone,

I'm trying to figure out what I can set all (I know) Zope Parameters to
to get a good overall performance on our "old" live installation.
We have a new System with upgraded Zope and the like in the making but
untill then I'm trying to keep what is up smooth and stable.

Machine: Dual Pentium with 4Gig Ram running on Suse Linux. Zope 2.7.2
with Python 2.3.4 and ZMS for the Sites. There's a recent Apache 1.3.x
in Front for caching and like 25 Sites running on the system, some very
rarely visited some more loaded.

While running the system with out-of-the-box-parameters at times of high
load the RAM went full, the machine started swapping and spiraling down
so I started to set limits in Apache and Zope. I was mostly just
guessing!

Apache is set to "MaxClients 50"
Zope.conf has set "zserver-threads 5" and 

cache-size 500
pool-size 25
...


With this settings the machine tops at load around 1.8 - 2 and no
swapping takes place *puuh* but still users sometimes, too often for
users taste, get to wait a minute and longer for their page. For me it
tastes like a garbage collection or whatnot because after 5-20 minutes
everything is fine again for an hour or two...

- Apaches "MaxClients" is set for general limit
- zserver-threads: How many ppl, approx., can connect with this set to
5? Would be good to synchronize this with the apache settings somehow?
- cache-size: This is per DB connection (pool-size) as I have learned, I
did set this down to limit memory usage
- pool-size: number of concurrent DB-Connections as I learned. Does
every concurrent connection have to have it's own db-connection or do N
zserver-threads share one?

What I'm looking for is general advice how these parameters work and can
be set for best cooperation. Or if there are other Params that I have
missed yet ;)

E.g. "every zserver-thread uses one db-connection and can server one
user so for 50 concurrent users you have to set everything to 50 and
tweak cache-size according to 'Cache Parameters' in the Zope config and
your RAM-load behaves" Which is nonsense I bet but something like that
would help me great time.

Thanks in Advance for any Help! /Carsten


Carsten Germer Deutsches Elektronen Synchrotron (Web-Office, IT)
phone:  +49-40-8998-1661Notkestr. 85
web: http://wof.desy.de22607 Hamburg
e-mail: [EMAIL PROTECTED]   Germany

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RE: [Zope] Tweaking Zope DB- and connection parameters

[Germer, Carsten]

Ahh, this clarifies so far, thanks. But about how many zserver-threads would 
one need for approx. 50 concurrent connections?
/Carsten

>-Original Message-
>From: Pascal Peregrina [mailto:[EMAIL PROTECTED] 
>Sent: Tuesday, June 28, 2005 11:54 AM
>To: Germer, Carsten; zope list user
>Subject: RE: [Zope] Tweaking Zope DB- and connection parameters
>
>
>zserver-threads and pool-size should be almost the same.
>
>Each HTTP request from Apache to Zope uses a Connection object 
>bound to a
>Transaction object.
>
>As each Connection object has its own cache, then if the 
>connection pool
>size is much higher than the number of zsever threads, you could end up
>using new connections with empty cache when it's not 
>necessary... This will
>make the request response time slower (cause the connection 
>will need to get
>all objects from ZODB) and will end up using unecessary memory 
>(cause all
>connection caches will be caching objects).
>
>I would recommend pool-size 8 if you keep zserver-threads to 5.
>(I don't know why pool-size must be a little higher than 
>threads, but the
>default configuration is 4 threads and 7 connections, so...)
>
>Then try increasing the cache size, because if you have lots 
>of different
>websites, caching 500 objects will probably cause each 
>connection to often
>load objects from ZODB (cache miss). To monitor that you can 
>use Control
>Panel -> Database Management -> Main -> Cache Parameters
>For each connection, if the number of active objects hits your 
>500 limit,
>then it may be a good idea to increase it.
>But of course this will depend oh the available memory you have.
>
>Hope this helps.
>
>Pascal
>
>
>
>-Message d'origine-
>De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] la part de
>Germer, Carsten
>Envoyé : mardi 28 juin 2005 11:32
>À : zope list user
>Objet : [Zope] Tweaking Zope DB- and connection parameters
>
>
>Hello everyone,
>
>I'm trying to figure out what I can set all (I know) Zope Parameters to
>to get a good overall performance on our "old" live installation.
>We have a new System with upgraded Zope and the like in the making but
>untill then I'm trying to keep what is up smooth and stable.
>
>Machine: Dual Pentium with 4Gig Ram running on Suse Linux. Zope 2.7.2
>with Python 2.3.4 and ZMS for the Sites. There's a recent Apache 1.3.x
>in Front for caching and like 25 Sites running on the system, some very
>rarely visited some more loaded.
>
>While running the system with out-of-the-box-parameters at 
>times of high
>load the RAM went full, the machine started swapping and spiraling down
>so I started to set limits in Apache and Zope. I was mostly just
>guessing!
>
>Apache is set to "MaxClients 50"
>Zope.conf has set "zserver-threads 5" and 
>
>cache-size 500
>pool-size 25
>...
>
>
>With this settings the machine tops at load around 1.8 - 2 and no
>swapping takes place *puuh* but still users sometimes, too often for
>users taste, get to wait a minute and longer for their page. For me it
>tastes like a garbage collection or whatnot because after 5-20 minutes
>everything is fine again for an hour or two...
>
>- Apaches "MaxClients" is set for general limit
>- zserver-threads: How many ppl, approx., can connect with this set to
>5? Would be good to synchronize this with the apache settings somehow?
>- cache-size: This is per DB connection (pool-size) as I have 
>learned, I
>did set this down to limit memory usage
>- pool-size: number of concurrent DB-Connections as I learned. Does
>every concurrent connection have to have it's own db-connection or do N
>zserver-threads share one?
>
>What I'm looking for is general advice how these parameters 
>work and can
>be set for best cooperation. Or if there are other Params that I have
>missed yet ;)
>
>E.g. "every zserver-thread uses one db-connection and can server one
>user so for 50 concurrent users you have to set everything to 50 and
>tweak cache-size according to 'Cache Parameters' in the Zope config and
>your RAM-load behaves" Which is nonsense I bet but something like that
>would help me great time.
>
>Thanks in Advance for any Help! /Carsten
>
>---
>-
>Carsten Germer Deutsches Elektronen Synchrotron 
>(Web-Office, IT)
>phone:  +49-40-8998-1661
>Notkestr. 85
>web: http://wof.desy.de
>22607 Hamburg
>e-mail: [EMAIL PROTECTED] 
>  Germany
>---
>-
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Re: [Zope] Debugging a python routine

[Garito]

Dieter Maurer escribió:


John Poltorak wrote at 2005-6-27 16:45 +0100:
 

Can anyone suggest how I would go about debugging a Python routine like 
this through Zope?
   



It depends what type of object you want to debug, how much
money you are ready to invest and how much comfort you need.

At one endpoint is "pdb" (the Python debugger):

  * part of Python's runtime libary (no costs)

  * archaic user interface, (almost) without any comfort

  * after code changes able to debug trusted code
(and untrusted Python Scripts once you used
the appropriate "allow_module" and "allow_class")
if Zope runs in the foreground.

The code change is adding a

 import pdb; pdb.set_trace()


At another endpoint is e.g. the commercial (!) WingIDE:

  * costs money, needs installation

  * comfortable, menu driven user interface

  * debugging of trusted code and untrusted PythonScripts

  * no code changes necessary


 


Hi all!
Dieter: can you send us some info about debug PythonScripts with WingIDE?

All: WingIDE is free if you develop open source. Rencently I ask them 
for some licences but I can't demostrate I'm working on open source and 
they send me 2 180 days licences (I have windows and mac plataforms). If 
you can demostrate you are developing open source (they only ask for the 
project's url) they send you permanent licences


Cheers

--
Mis Cosas
http://blogs.sistes.net/Garito/


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Re: [Zope] Re: External editor for ZMI

[ken wood]

Chris McDonough wrote:


On Mon, 2005-06-27 at 21:14 +0200, Josef Meile wrote:
 


Do you mean this?

http://plope.com/software/ExternalEditor

Are there any screen shots of it in action?

I'm not exactly sure how it works, but have feeling it won't work for me.
 


Yes, that's what Paul meant. I tried it once and it is not difficult to
install. You just have to follow the *README* and configure it to start
the editor you want according to the file type. You can edit word and
excel files, bitmaps, python scripts, dtml, zpt, and much more. Off
course you need to have the editor programs installed on the client
machine.

There were some bugs with excel and word, but I read in the link you
posted that they are likely solved (or I hope so :-)).
   



Yep.  Lots of Excel and Word plugin fixes.  One particularly egregious
bug that was fixed: if a user exited Word/Excel without saving first and
got the nag dialog that asked him if he wants to save the file, the file
wouldn't be saved and no error would be presented.  Another
Excel-specific bug was fixed inasmuch as EE would sporadically throw an
error if a user was "camping" on an input cell due to COM async
weirdness.

- C


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I've been following this discussion with some interest as I have never 
been able to get ExternalEditor to work for me. Now, that said, I have 
it confiured enough that it will present me with an editor and a file 
(WinWord) by clicking on the pencil. But I am confused on two points:
1.) When Word opens a document it presents me with text without any 
formatting. Also gives me metadata, URL, cookie info etc. Is this how it 
is supposed to work?
2.) When I save the work, I don't know where is goes or how to get it 
back to my plone site.

Just seems that the documentation gets vague on these issues.
Looking for some enlightenment.
Thanks.
ken wood


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Re: [Zope] Re: External editor for ZMI

[Andreas Pakulat]

On 28.Jun 2005 - 07:12:14, ken wood wrote:
> I've been following this discussion with some interest as I have never been 
> able to get ExternalEditor to work for me. Now, that said, I have it 
> confiured 
> enough that it will present me with an editor and a file (WinWord) by 
> clicking 
> on the pencil. But I am confused on two points:
> 1.) When Word opens a document it presents me with text without any 
> formatting. 
> Also gives me metadata, URL, cookie info etc. Is this how it is supposed to 
> work?

Can't help you with that, except maybe you could check that the mimetype
of the document you want to edit is correct. ExternalEditor IIRC uses
that to determine which editor to invoke.

> 2.) When I save the work, I don't know where is goes or how to get it back to 
> my plone site.

Nothing needs to be done. ExternalEditor takes care of uploading, as
soon as you save the file. At least that's how its supposed to work and
it did last time I used it. Back then, it had some problems when my gvim
detached from the calling process, but that could be worked around...

Andreas

-- 
There will be big changes for you but you will be happy.
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[Zope] OFS.SimpleItem problem with maximum recursion depth exceeded Error

[Gautam Saha]

Hi:

I have a simple schema based on the "Article" ArchExample schema  which
uses the " RichWidget" for file  upload.
The product worked fine in Zope2.6.1/Plone1 but does not work in
zope2.7.5-final/Plone2.0.5.
I am getting a  "RuntimeError: maximum recursion depth exceeded" error
while trying to view the uploaded file
---

Traceback (innermost last):
Module ZPublisher.Publish, line 175, in publish_module_standard
Module Products.PlacelessTranslationService.PatchStringIO, line 51, in
new_publish
Module ZPublisher.Publish, line 132, in publish
Module Zope.App.startup, line 204, in zpublisher_exception_hook
Module ZPublisher.Publish, line 95, in publish
Module Zope.App.startup, line 258, in recordMetaData
Module OFS.SimpleItem, line 333, in getPhysicalPath
Module OFS.SimpleItem, line 76, in 
Module OFS.SimpleItem, line 310, in getId
Module OFS.SimpleItem, line 76, in 
...
...
Module OFS.SimpleItem, line 310, in getId
Module OFS.SimpleItem, line 76, in 
RuntimeError: maximum recursion depth exceeded (Also, an error occurred
while attempting to render the standard error message.)
- END Traceback

I googled and found that it is zope bug  (issue# 1253, 
URL:http://www.zope.org/Collectors/Zope/1253).
I also, found similar this error is documented in  Bug#928693 & 909894 
in Plone2.


Diater suggested a workaround  (in zope Issue# 1253) which I don't quite 
understand being a python newbie.


From Dieter:

>This is a bug in "OFS.SimpleItem.Item_w__name__".
>
> In its base class, "__name__" is defined as
> "ComputedAttribute(lambda self: self.getId())"
> and it defines "getId()" to return "self.__name__".
> Apparently, this is an infinite recursion.
>
>Please file a bug report to "http://www.zope.org/Collectors/Zope 
".

>
>You can fix this problem by giving "Item_w__name__" a default
>class level attribute or "__name__ = ''".
>
>You can work around the bug by assigning an "id" for your
>object with its "_setId" method (this overrides "__name__").

Could someone please tell me where/what code I should make this changes?

I posted this before in Plone list but did not get any response, may be 
because it is

a Zope issue.

My platform details:
Zope Version (Zope 2.7.5-final, python 2.3.4, freebsd5)
Python Version 2.3.4 (#2, Oct 21 2004, 17:49:27) [GCC 3.3.3 [FreeBSD] 
20031106]

Plone version: 2.0.5
Archetype version: 1.2.5-rc5

Any help is greatly appreciated.

Gautam


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[Zope] loading an url from a restricted python script

[santiago]

hello

I'm writting a restricted python script (in the zmi)
and I wish to load an url that the user gives to me
in order to diplay it back, inside my web page.

is there a zope method that I can use, or must I relay on an external
python script and use urllib ?

thanks
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Re: [Zope] loading an url from a restricted python script

[Andreas Jung]

--On 28. Juni 2005 16:53:35 +0200 santiago <[EMAIL PROTECTED]> wrote:


hello

I'm writting a restricted python script (in the zmi)
and I wish to load an url that the user gives to me
in order to diplay it back, inside my web page.

is there a zope method that I can use, or must I relay on an external
python script and use urllib ?



This is a FAQ: use filesystem based code.

-aj

pgpu6ow4bEzNt.pgp
Description: PGP signature
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Re: [Zope] loading an url from a restricted python script

[Paul Winkler]

On Tue, Jun 28, 2005 at 04:56:07PM +0200, Andreas Jung wrote:
> 
> 
> --On 28. Juni 2005 16:53:35 +0200 santiago <[EMAIL PROTECTED]> wrote:
> 
> >hello
> >
> >I'm writting a restricted python script (in the zmi)
> >and I wish to load an url that the user gives to me
> >in order to diplay it back, inside my web page.
> >
> >is there a zope method that I can use, or must I relay on an external
> >python script and use urllib ?
> >
> 
> This is a FAQ: use filesystem based code.

Also note that you may find existing third-party code
that does what you want. Have a look at KebasData.

-PW


-- 

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http://www.slinkp.com
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[Zope] plone site & dreamweaver

[sguglia]

Hello!

I need to use dreamweaver to manage a plone site but I cannot find a detailed 
howto. Any help?

thank you,
stefano.
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Re: [Zope] Re: External editor for ZMI

[Chris McDonough]

> I've been following this discussion with some interest as I have never 
> been able to get ExternalEditor to work for me. Now, that said, I have 
> it confiured enough that it will present me with an editor and a file 
> (WinWord) by clicking on the pencil. But I am confused on two points:
> 1.) When Word opens a document it presents me with text without any 
> formatting. Also gives me metadata, URL, cookie info etc. Is this how it 
> is supposed to work?

No... sounds like there may be a mismatch between the version of
external editor on your server and the version on your client.  At least
that's all I can think of.

> 2.) When I save the work, I don't know where is goes or how to get it 
> back to my plone site.

It's supposed to save on top of whatever document you clicked on.



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Re: [Zope] Tweaking Zope DB- and connection parameters

[J Cameron Cooper]

Apache is set to "MaxClients 50"
Zope.conf has set "zserver-threads 5" and 


  cache-size 500
  pool-size 25
...



I will note that a cache-size of 500 is ridiculously low. (Even though 
old versions of Zope shipped configured like this!)


It needs to be at least 5000. Frankly, 5 wouldn't be bad for a 
large, busy site.


To optimize your cache-size param, watch the ZODB read/write graph, and 
keep increasing the cache-size until (a) there's no more effect on reads 
or (b) you run into memory trouble.


Of course, the optimization will slip a little as site usage patterns 
change.


--jcc
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Re: [Zope] CMFFormController doubts

[Dieter Maurer]

cla wrote at 2005-6-27 17:10 +0100:
>I'am trying to add one more field in the edit_news_form(plone)
>but when i execute the script that probably stores the object
>information of this new field aren't stored.

It would have been better to send this question to the Plone-users
mailing list.

Of course, changing the form is not enough.
You must also define a new property for the content class
and change the action such that it take the value from the
new form control into the new property.

-- 
Dieter
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Re: [Zope] Debugging a python routine

[Dieter Maurer]

Garito wrote at 2005-6-28 13:22 +0200:
>...
>Dieter: can you send us some info about debug PythonScripts with WingIDE?

No, I cannot -- colleagues of mine use it (and are quite
satisfied); I am using the archaic "pdb" :-)

But, I am sure, you find information on the respective web site...


>All: WingIDE is free if you develop open source.

Even better: download it and look at its documentation...

-- 
Dieter
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Re: [Zope] Problem with ZSQLMethods/MySQL after update

[Dieter Maurer]

Ragnar Beer wrote at 2005-6-27 18:50 +0200:
>After upgrading Zope from version 2.6.4 to 2.8.0 and mysqlpython from 0.9.2 to
>1.2.0 I cannot add or edit ZSQLMethods anymore, although there is an open
>(MySQL)db-Connection that works just fine with the same ZSQLMethods that cannot
>be edited or with external methods. The error I'm getting is: 
>
>"There are no SQL database connections. You need to add a Zope SQL database
>connection before you can edit a Zope SQL Method."

Almost surely, your "ZMySQLDA" instances are broken (and then
do not behave as "SQL database connection" instances).

Check your Zope logfile for messages of the form
"could not install product...".

-- 
Dieter
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Re: [Zope] WebDAV

[Dieter Maurer]

Luiz Fernando B. Ribeiro wrote at 2005-6-27 16:00 -0300:
>I'm using webdav to update to access files from Dreamweaver and it is 
>working fine but when I try to use windows web folders feature it fails 
>with the following error in zope log. It seems that windows is 
>requesting the PROPFIND before authenticating. Any clues?
>
>Zope Version (Zope 2.7.5-final, python 2.3.5, linux2)
>Python Version 2.3.5 (#2, May 4 2005, 08:51:39) [GCC 3.3.5 (Debian 
>1:3.3.5-12)]
>System Platform linux2
>
>Time   2005/06/27 15:05:48.973 GMT-3
>User Name (User Id)Anonymous User (None)
>Request URLhttp://my.server/clientes/PROPFIND
>Exception Type Unauthorized
>Exception ValueYou are not authorized to access this 
>resource.

This, by itself, is completely normal.

MS WebDAV Access should in this case show a login dialog.
After providing the correct authentication info, you should
be able to access the folder.

The "MS WebDAV Access" in my Windows XP Professional behaves in this way.

-- 
Dieter
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Re: [Zope] OFS.SimpleItem problem with maximum recursion depth exceeded Error

[Dieter Maurer]

Gautam Saha wrote at 2005-6-28 09:51 -0500:
>I have a simple schema based on the "Article" ArchExample schema  which
>uses the " RichWidget" for file  upload.
>The product worked fine in Zope2.6.1/Plone1 but does not work in
>zope2.7.5-final/Plone2.0.5.
>I am getting a  "RuntimeError: maximum recursion depth exceeded" error
>while trying to view the uploaded file
> ...
>Module OFS.SimpleItem, line 76, in 
>RuntimeError: maximum recursion depth exceeded (Also, an error occurred
>while attempting to render the standard error message.)

This is a bug in "OFS.SimpleItem.Item" which defined
"getId" in terms of "__name__" and "__name__" in terms of
"getId" (which obviously is unhealthy).

The bug it triggered when an item is constructed that
neither got an explicit "id" nor "__name__".

> ...
>Could someone please tell me where/what code I should make this changes?

"OFS.SimpleItem.Item_w_Name" uses the Python hierarchical access
syntax.

This translates into the file path "OFS/SimpleItem.py" (the module
part of the Python access path) and there the object "Item_w_Name"
(a class in this case).

-- 
Dieter
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RE: [Zope] RE: ZopeProfiler issue (found root cause)

[Dieter Maurer]

Pascal Peregrina wrote at 2005-6-27 20:50 +0200:
>Well, what about :
>
>try:
>p= gP()
>except:
>return 
>
>;)
>

It travels to your server.

It might even get a return value (in case, it is a Zope server)
but not necessarily what we expect.

I hate unrestricted "try: ... except: ...".

   They often tend to obscure bugs that should be revealed.

   They are unsafe when persistent objects are affected.

>I will test your patch, not sure about the 
>+s_class = getattr(s, '__class__', None)
>+gpp_class = getattr(s, '__class__', None)

The second is definitely wrong. The "s" needs to be "gP".

The 3 lines should check whether "s" and "s.getPhysicalPath"
have the same class (as is the case when "s" is an
"xmlrpclib._Method").


-- 
Dieter
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Re: [Zope] loading an url from a restricted python script

[santiago]

I don't understand still :
what I am looking for is a way to read a url whitout having to
write an external method.
the point is I belived that reading a url in a web application like zope
should not require such powerfull tool as external methods or dedicated
products..


Andreas Jung wrote:
> You answered your question already with our question.
> Filesystem-based code=trusted code=External methods or Zope products.
> 
> -aj
> 
> --On 28. Juni 2005 17:05:42 +0200 santiago <[EMAIL PROTECTED]> wrote:
> 
>> sorry, I don't understand:
>> what is th 'filesystem based code' ?
>>
>> Andreas Jung wrote:
>>
>>>
>>>
>>> --On 28. Juni 2005 16:53:35 +0200 santiago <[EMAIL PROTECTED]> wrote:
>>>
 hello

 I'm writting a restricted python script (in the zmi)
 and I wish to load an url that the user gives to me
 in order to diplay it back, inside my web page.

 is there a zope method that I can use, or must I relay on an external
 python script and use urllib ?

>>>
>>> This is a FAQ: use filesystem based code.
>>>
>>> -aj
> 
> 
> 
> 
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Re: [Zope] loading an url from a restricted python script

[J Cameron Cooper]

santiago wrote:

I don't understand still :
what I am looking for is a way to read a url whitout having to
write an external method.
the point is I belived that reading a url in a web application like zope
should not require such powerfull tool as external methods or dedicated
products..


There is nothing special about either. They are simply how you do things 
that are not anticipated by the framework (and screen-scraping isn't 
that common).


Many people seem to have placed artificial walls around the use of 
External Methods, but there's no good reason for this; they take about 
10 seconds more to set up than TTW Python scripts.


Look at KebasData: if it works for you it may save you a lot of time.

--jcc

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Re: [Zope] Sequencing pages

[J Cameron Cooper]

John Poltorak wrote:
If I create individual pages for a website as sub folders of a sites main 
folder, how do I control the sequence of pages if I automatically generate 
a set of links to all the folders? I presume that under normal 
circumstances that sequence would be in alphabetical order of object ID.


The standard folder lists its contents in "unspecified" order. In 
practice, it's in order of creation (I think.)


You can get ordered folders, which support changing the order. In fact, 
one ships with Zope in recent versions. Look for "Folder (Ordered)".


What I did before ordered folders was to give each object a property 
(like 'sort_order') with an integer value designating it's place, and 
then sort the list on that property. Not terribly efficient, though 
using the catalog would help.


--jcc
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[Zope] Breadcrumb dilemma

[Adamo, Steven]

My apologies if this is easily found in the mail-list archives (I found
no easy way to search that wealth of information).

I feel silly asking this collective about such a simple question, but
for the life of me, I'm completely stumped.  I have implemented a Plone
2.x site for our public website, and have completely replaced all the
standard Plone skin.

When I felt comfortable with the front page design, I wanted to use the
same look and feel for my subfolders.  I created a new folder (company),
added the appropriate images etc., and *voila* the new section has the
section specific content I want.

However, the breadcrumb trail will only display "you are here: home".  I
simply cannot figure out what I haven't included (or what I "killed"
when I created my new skin) that will make the breadcrumb pick up the
new folder (you are here: home > company).

Thanks for any insight!
Steve
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Re: [Zope] Breadcrumb dilemma

[Jens Vagelpohl]

On 28 Jun 2005, at 23:50, Adamo, Steven wrote:
However, the breadcrumb trail will only display "you are here:  
home".  I

simply cannot figure out what I haven't included (or what I "killed"
when I created my new skin) that will make the breadcrumb pick up the
new folder (you are here: home > company).


Since that is probably specific Plone functionality you might be  
better off asking on the Plone lists.


jens

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Re: [Zope] merging the contents of two acl_users folders

[Peter Bengtsson]

Maybe you've already solved this but I know that the
IssueTrackerProduct has a "Issue User Folder" which when instanciated
has an option to convert existing acl_users users. You might want to
dig into its source code where it picks up old users.

On 6/23/05, Jim Abramson <[EMAIL PROTECTED]> wrote:
>  
> 
> Can it be done? 
> 
> If not that, the ability to move selected users from one acl_users to
> another would be a decent plan B. 
> 
> This is a one-time move, so I consider any effective solution viable, even
> if some manual hacking is involved. 
> 
> Thanks for any help, 
> Jim 
>  
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> 
> 


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Re: [Zope] WebDAV

[Luiz Fernando B. Ribeiro]

Dieter Maurer wrote:

Luiz Fernando B. Ribeiro wrote at 2005-6-27 16:00 -0300:

I'm using webdav to update to access files from Dreamweaver and it is 
working fine but when I try to use windows web folders feature it fails 
with the following error in zope log. It seems that windows is 
requesting the PROPFIND before authenticating. Any clues?


Zope Version (Zope 2.7.5-final, python 2.3.5, linux2)
Python Version 2.3.5 (#2, May 4 2005, 08:51:39) [GCC 3.3.5 (Debian 
1:3.3.5-12)]

System Platform linux2

Time2005/06/27 15:05:48.973 GMT-3
User Name (User Id) Anonymous User (None)
Request URL http://my.server/clientes/PROPFIND
Exception Type  Unauthorized
Exception Value 	You are not authorized to access this 
resource.



This, by itself, is completely normal.

MS WebDAV Access should in this case show a login dialog.
After providing the correct authentication info, you should
be able to access the folder.

The "MS WebDAV Access" in my Windows XP Professional behaves in this way.


Hi Dieter,

The login dialog is show but even with my manager password it's not able 
to login. The error message above is repeated after each atempt. With 
Netdrive or Dreamweaver it works fine but windows web folders is a good 
feature for simple "users". I thought that some kind of workaround was 
available. Even with Chris sugestion to use full url with user and 
password has failed.


I'm using Windows XP SP2.

Thanks,

Luiz Fernando B. Ribeiro
Engenho Soluções para a Internet
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Re: [Zope] WebDAV

[Chris McDonough]

Note that MS has a Webfolders "fixer" program, see:

http://chapters.marssociety.org/webdav (beginning "Some Windows XP
machines have a broken Web Folders installation. Microsoft includes a
Web Folders repair utility built in to Windows to correct the problem.
Use the following steps to fix the problem:")

See also

http://teyc.editthispage.com/2005/06/02

- C



On Wed, 2005-06-29 at 01:19 -0300, Luiz Fernando B. Ribeiro wrote:
> Dieter Maurer wrote:
> > Luiz Fernando B. Ribeiro wrote at 2005-6-27 16:00 -0300:
> > 
> >>I'm using webdav to update to access files from Dreamweaver and it is 
> >>working fine but when I try to use windows web folders feature it fails 
> >>with the following error in zope log. It seems that windows is 
> >>requesting the PROPFIND before authenticating. Any clues?
> >>
> >>Zope Version (Zope 2.7.5-final, python 2.3.5, linux2)
> >>Python Version 2.3.5 (#2, May 4 2005, 08:51:39) [GCC 3.3.5 (Debian 
> >>1:3.3.5-12)]
> >>System Platform linux2
> >>
> >>Time2005/06/27 15:05:48.973 GMT-3
> >>User Name (User Id) Anonymous User (None)
> >>Request URL http://my.server/clientes/PROPFIND
> >>Exception Type  Unauthorized
> >>Exception Value You are not authorized to access this 
> >>resource.
> > 
> > 
> > This, by itself, is completely normal.
> > 
> > MS WebDAV Access should in this case show a login dialog.
> > After providing the correct authentication info, you should
> > be able to access the folder.
> > 
> > The "MS WebDAV Access" in my Windows XP Professional behaves in this way.
> 
> Hi Dieter,
> 
> The login dialog is show but even with my manager password it's not able 
> to login. The error message above is repeated after each atempt. With 
> Netdrive or Dreamweaver it works fine but windows web folders is a good 
> feature for simple "users". I thought that some kind of workaround was 
> available. Even with Chris sugestion to use full url with user and 
> password has failed.
> 
> I'm using Windows XP SP2.
> 
> Thanks,
> 
> Luiz Fernando B. Ribeiro
> Engenho Soluções para a Internet
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Re: [Zope] Problem with ZSQLMethods/MySQL after update

[Greg Fischer]

I could be totally wrong, but just a thought

You might remove the Zmysqlda 2.0.8 you have and download and install
the 2.0.9b3.  Do some reading before, and maybe you can simply
reinstall 2.0.8.  I cant remember what it was that needed 2.0.9, maybe
it was just having mysqlpython 1.2.0.  (because of mysql 4.1.x or new
python, cant remember)

Ok I am just thinking outloud now, sorry.  But heck, if it helps. :)

Greg

On 6/28/05, Dieter Maurer <[EMAIL PROTECTED]> wrote:
> Ragnar Beer wrote at 2005-6-27 18:50 +0200:
> >After upgrading Zope from version 2.6.4 to 2.8.0 and mysqlpython from 0.9.2 
> >to
> >1.2.0 I cannot add or edit ZSQLMethods anymore, although there is an open
> >(MySQL)db-Connection that works just fine with the same ZSQLMethods that 
> >cannot
> >be edited or with external methods. The error I'm getting is:
> >
> >"There are no SQL database connections. You need to add a Zope SQL database
> >connection before you can edit a Zope SQL Method."
> 
> Almost surely, your "ZMySQLDA" instances are broken (and then
> do not behave as "SQL database connection" instances).
> 
> Check your Zope logfile for messages of the form
> "could not install product...".
> 
> --
> Dieter
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> 


-- 
Greg Fischer
1st Byte Solutions
http://www.1stbyte.com
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Re: [Zope] loading an url from a restricted python script

[Andreas Jung]

--On 28. Juni 2005 20:40:56 +0200 santiago <[EMAIL PROTECTED]> wrote:


I don't understand still :
what I am looking for is a way to read a url whitout having to
write an external method.
the point is I belived that reading a url in a web application like zope
should not require such powerfull tool as external methods or dedicated
products..


You *have* to write an external method. dot. point.

-aj



pgp4aWl9u2ygC.pgp
Description: PGP signature
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Re: [Zope] loading an url from a restricted python script

[Andrew Milton]

+---[ Andreas Jung ]--
| 
| 
| --On 28. Juni 2005 20:40:56 +0200 santiago <[EMAIL PROTECTED]> wrote:
| 
| >I don't understand still :
| >what I am looking for is a way to read a url whitout having to
| >write an external method.
| >the point is I belived that reading a url in a web application like zope
| >should not require such powerfull tool as external methods or dedicated
| >products..
| 
| You *have* to write an external method. dot. point.

As some background to why this is so;

urrlib can read files from your filesystem, and then send them to anywhere on
the internet. Do you really want to allow that by default to anyone that has
access to scripting on your server?

-- 
Andrew Milton
[EMAIL PROTECTED]
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