Somehow I think the other way around would be even more interesting: a
Java application server accessing Zope (Jope?). The platform market is
really tough, and competing with Java isn't easy. If you can't beat
them, join them... I guess there are millions of reasons why it can't
be done,
Hi there,
I'm working on improving the support for multilingual websites in Zope.
Already I've found some tools to be of great help: SiteAccess,
Translator, and Transparent Folder (and zzLocale, although I'm mostly
interested in ZODB objects). The Transparent Folder enabled me to
separate the
Hi,
We've been experimenting with ZEO for a few months. The intended use is
to have a ZEO client on our LAN, one on the Internet backbone in China,
and one in the US, but there are two problems preventing us from using
it:
1. updates are very slow, slower than accessing the ZEO client closest
be some explanation somewhere how to access resources
inside of Control_Panel, but I fail to find it. Creating objects is
very confusing and difficult at times...
Bye,
--
Bjorn Stabell [EMAIL PROTECTED]
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h
Message-
From: Bjorn Stabell
Posted At: Thursday, April 12, 2001 12:02
Posted To: Zope Developer
Conversation: [Zope-dev] How do I call an HTMLFile in context provided
by apath?
Subject: [Zope-dev] Using Python script to create ZClass instances
Hi there,
Im having problems using Python
.
Regards,
--
Bjorn Stabell [EMAIL PROTECTED]
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-
From: Chris McDonough [mailto:[EMAIL PROTECTED]]
Sent: Friday, May 11, 2001 20:47
To: Bjorn Stabell
Cc: [EMAIL PROTECTED]; Exoweb
Subject: Re: [Zope-dev] CoreSessionTracking 0.8 strangeness
This is very odd, as cst depends on ZODB locking just like everything
else in Zope, and uses the same
Stabell
Cc: [EMAIL PROTECTED]; Exoweb
Subject: Re: [Zope-dev] CoreSessionTracking 0.8 strangeness
Bjorn,
Is this entirely with cookies? Or are you using url-encoding anywhere?
Does your application make use of frames or multiple windows?
- C
Bjorn Stabell wrote:
Chris,
It is definately
of randomness. It gives me a very bad
stomach feeling. I definately think it's something deeper than a
CoreSessionTracking problem.
Bye,
--
Bjorn Stabell [EMAIL PROTECTED]
-Original Message-
From: Chris McDonough [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, May 23, 2001 20:34
To: Howard
site for you.
It's quite refreshing to do a project for a sandwich shop, like we do
now, but I hope we can get to the bottom of these disappearing cokes. :)
Thank you for all the help. Open source sure beats the heck out of
commercial solutions when it comes to support.
Bye,
--
Bjorn Stabell
By the way, Chris, you can see the bug in action at our site by going
to:
http://www.beijingsammies.com:7380/sammies/
The website has not been launched yet, so be careful guys. Also, don't
try ordering, unless you're in Chaoyang district, Beijing, China. :)
The site may be slow since
2001, Bjorn Stabell wrote:
session = context.session_mgr.getSessionData()
cart = session.get('shopping_cart', {})
sku = int(sku)
if not cart.has_key(sku):
cart[sku] = 0
if int(qty)0:
cart[sku] = cart[sku] + int(qty)
Could this be the same problem that I was experiencing
to personalization.
These are just thoughts; I don' thave any plans to implement
personalization yet. I'd be happy to help others, though :)
Bye,
--
Bjorn Stabell [EMAIL PROTECTED]
Exoweb
-Original Message-
From: Jon Edwards [mailto:[EMAIL PROTECTED]]
Posted At: Tuesday, June 05, 2001 23:17
see there are
these options:
- SQL method cacheing
- Using StandardCacheManagers to cache Python and DTML methods
- Using StandardCacheManagers to cache pages (using, e.g., Squid as an
HTTP accelerator)
- ZEO client object cacheing
Any other ideas?
Bye,
--
Bjorn Stabell [EMAIL PROTECTED
Wow, thanks Evan. I should've asked these questions a long time ago...
From: Evan Simpson [mailto:[EMAIL PROTECTED]]
From: Bjorn Stabell [EMAIL PROTECTED]
How do you do dtml-with and dtml-let in a Python script? (I.e.
put something on the namespace)
You can't. Scripts can use the DTML
I've spent hours, maybe days, being confused about this as well.
According to the Zope API documentation and ZDP at
http://zdp.zope.org/projects/zfaq/faq/DTML/959888072
http://zdp.zope.org/projects/zsnippet/snippets/DTMLTags/CallingDTMLMetho
ds
someDTMLMethod(_.None, _) should
My favorite way is to support this is to create skins. We have two
skins:
printable
emailable
that fixes the standard_html_* stuff, and can even be used to override
the content rendering at a deeper level, if needed (overriding
document_view etc). We can use the same way to
Hi all,
We've installed Kavio's CatalogQuery product and are very happy with it.
Haven't looked at the ZOQLMethod from iuveno yet, but both look like
great steps in the right direction.
I have one question: is it possible using a normal catalog query or
Kavio's catalog query to check if a value
Having an exists function would be great. I was trying to do the same
using CatalogQuery, but I found no way to check for Missing.Value, which
is the repr() of what's in the catalog's metadata field for objects that
don't have that attribute/function. I also ran into problems doing more
complex
:33
To: Bjorn Stabell
Cc: [EMAIL PROTECTED]
Subject: RE: [Zope-dev] ZCatalog searching for missing values
I just tried out ZOQLMethod as well. Couldn't get it to work, but it
looks like really solid craftsmanship. I like the
user-friendly way of
selecting base object and the complete
Well, this would be similar to the approach used by the PortableHole
product. It's more like a hard link than symbolic link; if you run your
site through ZSync, ZSync will unwind all the links and make separate
copies.
-Original Message-
From: Maik Jablonski [mailto:[EMAIL PROTECTED]]
Hello,
I'm trying to use Zope without storing everything in ZODB while still
having the perception of an object-oriented database. I want to control
the object-to-relational mapping layer, but would like the loading and
saving of objects to be automatic. Is there some way to do that using
]
[mailto:[EMAIL PROTECTED]]
Posted At: Friday, March 08, 2002 17:27
Posted To: Zope Developer
Conversation: [Zope-dev] Manual object-to-relational persistency
framework
Subject: Re: [Zope-dev] Manual object-to-relational persistency
framework
On Friday, 8. March 2002 09:50, Bjorn Stabell wrote:
I'm
I would really like to see a hybrid between ZClasses and the CMF's
portal_types, so that you can define methods in the Python class that
you want portal_type instances of this class to be able to overload.
I'm currently abusing the CMF portal_types' actions to overload
methods of these types.
?). Right
now, I'm struggeling because I cannot get the namespace to be passed to
PlainFunc, therefore PlainFunc cannot pass the namespace on to DTMLFunc.
Any clues?
Bye,-- Bjorn Stabell [EMAIL PROTECTED]Tel
+86 (10) 65918490
Hello,
When a content is rendered by the Zpublisher, its index_html() is
called. When it is rendered in DTML, e.g., as dtml-var content, its
__call__ method is called. The __call__ method is also called if the
object appears in dtml-if content or dtml-with content. Is it
possible to render
Bjorn Stabell wrote:
Hello,
When a content is rendered by the Zpublisher, its index_html() is
called. When it is rendered in DTML, e.g., as dtml-var
content, its
__call__ method is called. The __call__ method is also
called if the
object appears in dtml-if content or dtml
Hello,
I'm trying to implement a Google-like pagination using the dtml-in
batching system, and I'm getting some very strange results. Either
I'm overlooking something obvious or there is a problem with dtml-in.
See attached source code of simplified example that produces the strange
results.
.
--On Dienstag, 11. Februar 2003 17:01 +0800 Bjorn Stabell
[EMAIL PROTECTED] wrote:
Hello,
I'm trying to implement a Google-like pagination using the dtml-in
batching system, and I'm getting some very strange
results. Either
I'm overlooking something obvious or there is a problem
work again.
Regards,
--
Bjorn Stabell [EMAIL PROTECTED]
Tel +86 (10) 65918490
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Hi all,
Except for SARS, another problem that's been plagueing us for months are
seemingly random Conflict Errors. We see about 10 every day on our Zope
2.6.1, and they can happen on any page. In most cases they are not
related to pages that actually updated anything (AFAIK), although we do
use
\x00\x00
\x00\x0b\x9e\xb7', '')
--
2003-06-03T00:55:27 ERROR(200) ZODB FS FS21 ERROR: Bad reference to
('\x00\x00\x00\x00
\x00\x0b\x9e\xb8', '')
--
2003-06-03T00:55:27 ERROR(200) ZODB FS FS21 ERROR: Bad reference to
('\x00\x00\x00\x00
\x00\x0b\x9fy', '')
--
Bye,
--
Bjorn Stabell
On 06/02/2003 11:08 PM, Bjorn Stabell wrote:
Except for SARS, another problem that's been plagueing us for months
are seemingly random Conflict Errors. We see about 10 every day on
our Zope 2.6.1, and they can happen on any page. In most cases
they
are not related to pages
to
the first place. :)
-Original Message-
From: Shane Hathaway [mailto:[EMAIL PROTECTED]
Sent: Friday, April 04, 2003 23:41
To: Bjorn Stabell
Cc: [EMAIL PROTECTED]
Subject: Re: [Zope-dev] Sporadic IOErrors...?
Bjorn Stabell wrote:
Hi Zope gurus,
After upgrading to Zope 2.6.1
Hi,
Has anyone encountered this problem:
When accessing File objects that are not accessible to Anonymous (HTTP
and WebDAV View permissions not given), the Basic HTTP Auth window pops
up repeatedly even after the user has logged in using the cookie
crumbler method, and the user has permissions
Accelerated HTTP Caching Manager doesn't work out-of-the-box as this
thread reported, but the thread had no conclusion:
http://mail.zope.org/pipermail/zope/2003-April/134800.html
http://mail.zope.org/pipermail/zope/2003-April/135059.html
http://mail.zope.org/pipermail/zope/2003-April/135101.html
Carsten wrote:
Well, sadly I didn't find the time to pursue the issue any
further yet. We're kneedeep in work to get the system up and
running and caching isn't top priority so far. I don't even
know if someone patched the AHCM yet, simply haven't looked.
But as someone suggested
Janko wrote:
I think, this is one problem with the current code. There is
no defined way to decide, when something is last modified.
With CMF-based sites there is a clearly defined property for
this. On the other hand all objects have at least a
bobobase_modification_time, but this one
,
--
Bjorn Stabell [EMAIL PROTECTED]
Tel +86 (10) 65918490
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How does Zope handle Unicode encoding/decoding of non-UTF8 encodings?
I see encoding/decoding functions popping up in products (e.g.,
Archetypes), but I thought Zope already had this covered?
Bye,
--
Bjorn
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Just FYI. Apache 2.0.48 now honors caching of pages which only have
Expires set (no need to include Etag and/or Last-Modified), but the 1.3
team hasn't responded and so 1.3.29 still has the bug. With mod_deflate
site-wide compression of text/html etc, I guess it's enough candy there
for me to
I upgraded to 2.7b3, and it looks quite solid!
I have one problem, though: I can't find the full tracebacks that
include __traceback_info__ anywhere!
I used to start up Zope in debug mode, so I'd get everything sent to
stdout. Now, stdout just contains some startup stuff; doesn't even
contain
Dieter:
Bjorn Stabell wrote at 2003-12-21 23:49 +0800:
I upgraded to 2.7b3, and it looks quite solid!
I have one problem, though: I can't find the full tracebacks that
include __traceback_info__ anywhere!
They are not in http://yourZope/error_log?
No, the error, UnicodeError, doesn't
Any news on Zope support for ESI?
http://mail.zope.org/pipermail/zope-dev/2003-January/018619.html
http://www1.cn.squid-cache.org/mail-archive/squid-dev/200208/0047.html
From what little I can gather from the Squid mailing lists, it looks
like ESI support is materializing in Squid.
Bye,
--
Bjorn
Jens:
Zope does not need ESI support - You can write ESI statements in
your templates without specific support from Zope.
Yes, but I think they were planning to make it easier from DTML/ZPT, a
la JSP's ESI library.
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for it,
and Apache's ProxyPass doesn't either. I guess load balancers would,
but that's a bit overkill since we run the server on one machine.
Regards,
--
Bjorn Stabell [EMAIL PROTECTED]
Tel +86 (10) 65918490
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Bjorn Stabell wrote:
Basically, when the load gets high, Zope has a huge
backload of work
(several minutes of requests), making the average latency for each
request many minutes. What are effective ways to do this kind of
overload management so that the backlog of work doesn't get
Toby wrote:
[...]
Zope's ZServer manages a queue of requests that have been
recieved over http,
but not dispatched to the publisher. This is handled in
PubCore/ZRendezvous.py. I suspect this queue will be holding
your backlog.
You might get some benefit from capping the length of that
Toby wrote:
Hmm, yes. ZRendezvous doesnt have any choice but to queue up
the request.
Handling the request at that point could cause problems
because the support
for pipelined http requests might cause another recursive call to
ZRendezvous.handle, and deadlock. You need to handle it
Richard Jones wrote:
On Thursday 12 February 2004 01:23, Casey Duncan wrote:
What kinds of requests are these? Do they all require a dynamic
output? If not, then you should put better caching in front of Zope,
or at a minimum tweak you caching headers so that some
could be served as
Bjorn wrote:
I wonder if Zope also processes requests that have been closed from
the client end? I know Zope will continue processing a request even
if it times out at least (so you can do long-running requests, like
packing, through the web). Many (all?) of these 300 requests would
Jamie writes:
Lennart Regebro wrote:
OK, you get the problem that images may not load even if
the main page
does, but is that really worse for the end user than not getting
anything?
As I've been saying, if you do that, they will reload
repeatedly making the problem worse. If the
Toby wrote:
One of the optimization we're thinking of is storing results of
ZCatalog searches (e.g., number of replies to postings) in volatile
variables so we don't have to run the catalog search at all. We'd
like to use memory space shared between threads for this.
Using ZEO
Erik:
using the _v_ variables won't work for this since different threads
won't agree on who was latest. Its definitely a bad idea to
do queries
for these three data points. What about putting them in the
temp_folder then you can still use ZEO with a bunch of clients that
will all
Jan-Wijbrand wrote:
[...]
You are able to store *and* share data over ZEO Clients in a
TemporaryStorage by making the ZSS serve this
TemporaryStorage to its ZCs. You could mount this storage as
temp_folder I guess, but any other mount point would work too.
Col :)
Not sure, but
I wrote up a simple proposal for how to change Zope to work better under
heavy load:
http://zope.org/Members/bjorn/proposals/MakeZopeFailNicelyUnderHeavyLoad
The solution is a bit different from what we discussed on the list
before; basically do away with the Medusa request queue altogether
Toby wrote:
On Thursday 19 February 2004 11:18, Bjorn Stabell wrote:
[...]
The solution is a bit different from what we discussed on the list
before; basically do away with the Medusa request queue
altogether and use listen()'s backlog instead.
Last week you were keen that medusa keep
Title: Message
Has
anyone gotten TCPWatch to work recently? Using Python2.1/2.2/2.3 I
get:
Unhandled
exception in thread started by function window_loop at
0x402877d4Traceback (most recent call last): File
"/zope/opt/bin/tcpwatch.py", line 656, in window_loop
app.mainloop() File
Shane wrote:
[...]
Other people have reported this, but I can't reproduce it. I've been
using tcpwatch on Python versions 2.1 through 2.3 without a
hiccup. Are you using Linux? If so, what distribution?
As a workaround, you can use -s to dump to stdout.
Thanks. I was running it on
) :)
I'll be willing to contribute patches, but since this applies to so many
products, it would be good to get some consensus first. At the very least,
can we create a Standard Unicode Practices page?
Bye,
--
Bjorn Stabell mailto:[EMAIL PROTECTED
--On Montag, 26. April 2004 10:53 Uhr +0200 David Convent
[EMAIL PROTECTED] wrote:
I always believed that unicode and utf-8 were same encoding, but
reading you let me think i was wrong.
Can you tell me what the difference is between unicode and utf-8 ?
Andreas Jung wrote:
Unicode is
None of the above components handles Unicode in this way,
but it seems to be how the Unicode support in Zope 2 was meant to be
used.
Martijn wrote:
You're actually wrong about Formulator. :)
Apologies. We were using older versions of Formulator before, and I was
just doing code inspection
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