Re: [Zope-dev] Operation Properties.

2001-09-19 Thread Erik Enge

[Dieter Maurer]

| Have a look at Date properties.  They are already objects.

Yes, you are correct.

WarpFramework, which I'm using for this project has support for the
type of properties I'm talking about.  Rather, a framework for using
properties.  Getting similar behaviour into Zope was the point behind
my post (sorry if I didn't make myself clear enough).

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[Zope-dev] Operation Properties.

2001-09-17 Thread Erik Enge

'Evening, Zopistas.

I'm developing an accounting product right now, and one of the more
interesting aspects of how to solve this issue is how do handle
currencies.  I've decided to let each entry (transaction) know about
the currency it was in.  At a later stage, the user is given the
option to convert the currency to something else, but only for
display-purposes and nothing persistent.

This raises a number of interesting issues; I'll try to be brief.

  - I'd like the currency-attribute itself to know about how how
display itself (ie. this shouldn't be a method of the class
containing the property).

  - I'd like the currency-attribute itself to know how to convert
itself to other currencies.

This would allow me to say::

   transaction.currency.set_amount_to(100.00)
   transaction.currency.set_currency('FRF') # French Francs

And then this::

   transaction.currency.display_in('NOK') # Norwegian kroners

would render the string::

   NOK 125.00

for example.  Or::

   transaction.currency.convert_to('NOK')

would render the float::

   125.00

or something like that.  I'm not entierly sure of the API, yet.

The point is, I'd like to delegate attribute-behaviour to the
attribute itself.  Currently, I don't see any easy way to do this with
Zope.  I gather that there isn't either, based on the links I give
below.  It seems that many projects are implementing their own
property-handling.

Summarizing: I'd like to volunteer time to a project/proposal that
would take care of properties once and for all.  I'm proposing to
create a new property model where we have pluggable properties that
is more lously coupled with the management of properties and allows
the developer to add custom-made properties (much like
PlugginIndexes).

I also propose to make the property itself know how to render a widget
for it, given an environment.  A property of type 'date', for example,
could render six HTML select-lists given a HTML-environment (year,
month, day, hour, minute (second, maybe), timezone).

The functionality of these widgets should be a separated from the
properties, naturally.  It should also be pluggable.  I'm thinking
pluggable in a site-wide context here.

Whatchya think?

http://warp-framework.sf.net/
http://demo.iuveno-net.de/iuveno/Products/SmartObjects/
http://www.zope.org/Members/faassen/Formulator/
http://dev.zope.org/Wikis/DevSite/Proposals/PropertyRevamp/
http://dev.zope.org/Wikis/DevSite/Proposals/PropertyManagerEvents/

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Re: [Zope-dev] Operation Properties.

2001-09-17 Thread Erik Enge

[Chris Withers]

| Go look at ComputedAttributes...

Yupp.  But are you suggesting that ComputedAttributes are the end-all
be-all solution to the problem I proposed, or only a part of it?

As I see it, they hardly specify a framework for attributes.


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Re: [Zope-dev] Getting Unauthorized from __bobo_traverse__.

2001-09-13 Thread Erik Enge

[Michael R. Bernstein]

| On Wed, 2001-09-12 at 22:45, Erik Enge wrote:
|  
|  *scabbers off to the CVS*  Thanks! :)
| 
| Eeew!
| 
| I hope you meant 'scampers', as I have horrific visions of what
| 'scabbering off' would look like...

Hehe!  Oops... Yeah, that's what I meant.  Ever since I started
learing French my English has started to suck.  Maybe it's only
mental.  ;-)

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Re: [Zope-dev] Getting Unauthorized from __bobo_traverse__.

2001-09-12 Thread Erik Enge

[Evan Simpson]

| If you grab OFS/Traversal.py (I think) from the CVS root, it should
| fix the problem.

*scabbers off to the CVS*  Thanks! :)

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[Zope-dev] Getting Unauthorized from __bobo_traverse__.

2001-09-11 Thread Erik Enge

Hi!

I've have this custom __bobo_traverse__ hook:

def __bobo_traverse__(self, REQUEST, name):
Intercept the traversal
if name:
if hasattr(self, name):
return getattr(self, name)

When I call the object like this:

  /objecta

ie. using __call__ (I guess); everything is ok.  It renders the
index_html (which is a DTMLFile) as expected.  However, when I do
this:

  /objecta/index_html

it raises an Unauthorized on me.  I can't understand why.  I thought
it might have something to do with docstrings, so I tried this:

  def index_html(self):
  we have a doc string
  return DTMLFile('index_html', globals())

And that worked (it didn't render the DTML, but I know how to fix
that).  Making it go back to this:

  index_html = DTMLFile('index_html', globals())

raised an Unauthorized on me again.

Here's the full traceback:

Traceback (innermost last):
  File 
/home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/ZPublisher/Publish.py, line 
223, in publish_module
  File 
/home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/ZPublisher/Publish.py, line 
187, in publish
  File 
/home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/ZPublisher/Publish.py, line 
171, in publish
  File 
/home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/ZPublisher/mapply.py, line 
160, in mapply
(Object: object_manager_index)
  File 
/home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/ZPublisher/Publish.py, line 
112, in call_object
(Object: object_manager_index)
  File 
/home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/Shared/DC/Scripts/Bindings.py,
 line 324, in __call__
(Object: object_manager_index)
  File 
/home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/Shared/DC/Scripts/Bindings.py,
 line 354, in _bindAndExec
(Object: object_manager_index)
  File /home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/App/special_dtml.py, 
line 236, in _exec
(Object: object_manager_index)
  File /home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/OFS/DTMLMethod.py, 
line 182, in __call__
(Object: standard_html_footer)
  File 
/home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/DocumentTemplate/DT_String.py,
 line 538, in __call__
(Object: standard_html_footer)
  File /home/erik/development/zope-farm/OtherProducts/WarpFramework/user.py, line 89, 
in on_access
(Object: api)
  File /home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/OFS/Traversable.py, 
line 223, in restrictedTraverse
(Object: api)
  File /home/erik/development/zope-farm/Zope-2.3.1-src/lib/python/OFS/Traversable.py, 
line 190, in unrestrictedTraverse
(Object: api)
Unauthorized: index_html

I also tried adding:

  __allow_access_to_unprotected_subobjects__ = 1

just for good measure, but that didn't help either.

Any help on this is greatly appretiated.  :-)

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Re: [Zope-dev] Pre-process a REQUEST before Zope does anything else

2001-09-11 Thread Erik Enge

[Dario Lopez-Kästen]

| I need to be able do some processing for each and every request that
| is sent to zope to determine some enviromental thingies, *before*
| the request is processed by the main zope mechanisms.

I'm not entirely sure, but you might be looking for something like this:

URL:http://www.zope.org/Members/michel/Projects/Interfaces/BeforePublishingTraverse
URL:http://www.mit.edu/afs/sipb/project/python/doc/DevGuide/ObjectPublishing.html

__before_publishing_traverse__

(Yeah, I make an effort to find the worst URLs... ;-)

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Re: [Zope-dev] Getting Unauthorized from __bobo_traverse__.

2001-09-11 Thread Erik Enge

[Erik Enge]

|   def index_html(self):
|   we have a doc string
|   return DTMLFile('index_html', globals())
| 
| And that worked [...]

Actually it doesn't.  Don't know why I thought it did.

This however does work:

   index_html__roles__ = ['Manager']
   def index_html(self):
   we have a doc string
   return DTMLFile('index_html', globals())
 
There's something here I don't understand.  My __bobo_traverse__
raises an unauthorized:

def __bobo_traverse__(self, REQUEST, name):
Intercept the traversal
if name:
if hasattr(self, name):
return getattr(self, name)

self = my_object at somewhere
REQUEST = the correct mapping object
name = 'index_html'

If I comment the __bobo_traverse__ away, the one in Application.py is
used:

def __bobo_traverse__(self, REQUEST, name=None):
try: return getattr(self, name)
except AttributeError: pass
[snip]

I've snipped it, because in this case getattr() always works.

self = Application at somewhere
REQUEST = the correct mapping object
name = 'account'

And this one doesn't raise an Unauthorized (and the name is different
- maybe there is traversal going on elsewhere too?).

Anyone been there done that before?

Thanks in advance. :)

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[Zope-dev] PersistentMapping

2001-07-13 Thread Erik Enge

Hi,

I'm trying to use PersistentMapping instead of a regular mapping
object, but I'm running into some problems.  When I add and remove
stuff from the mapping it sometimes fail or removes the wrong thing.

Do I need adapt my code to it, or should it be straight forward?



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Re: [Zope-dev] How long below the radar?

2001-07-10 Thread Erik Enge

[alan runyan]

| I believe that before ZOPE can truely take off it will need a
| miniVend like solution to get the PHP/CF/ASPers to ZOPE.

What is miniVend?

| I would like to see a Roadmap for ZOPE.

Aye!

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Re: [Zope-dev] How long below the radar?

2001-07-10 Thread Erik Enge

[[EMAIL PROTECTED]]

| Other than: http://dev.zope.org/Resources/ZopeDirections.html?

Well, it is from February.  And besides, it describes what we
have/semi-have now, and not what is planned for the future (for
example, where do DC think Zope is in three, four or five years?)

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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?))

2001-06-29 Thread Erik Enge

On Thu, 28 Jun 2001, Stephan Richter wrote:

 I think we need to setup a separate mailing list for this project. Can
 you do that? I think the discussion is getting too specific now.

We can use the mk-zprod-devel mailinglist at thingamy.com:

URL:http://www.thingamy.com/mailman/listinfo/mk-zprod-devel/


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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?))

2001-06-29 Thread Erik Enge

On Thu, 28 Jun 2001, Stephan Richter wrote:

 All what the wizard will do is provide the user with a nice
 interface/GUI to enter the information. I will then pass the
 information to the above mentioned management methods and the
 MakeZProduct Product will then generate the code and save it to the
 file system.

Oki.  What I currently have is a Zope product that you instanciate (maybe
in the context of the wizard) and that instance then provides you with
those methods you wanted.  The instance is the only thing persisten, since
all else will be written out to files (it can quite easily be done to
write them as persistent DTML Documents or somesuch if one wanted to
pause the setup or something, but that's outside the scope of round 1).
 
 BTW, we will assume that the user that runs the Zope engine has write
 access to /ZOPE/lib/python/Products.

Yeah.


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Re: [Zope-dev] help with external method

2001-06-29 Thread Erik Enge

On Fri, 29 Jun 2001, Edgardo Zulian wrote:

 I'm just new with Zope, and I m trying to make an external method with
 python that return me the names of the files that are in an especific
 folder of the Zope i.e:the folder:  Root Folder/function_repository..

I'm not quite sure what you want to do, but you could try to add a a DTML
Method in the folder which contained this:

dtml-in objectValues()
 dtml-var id
/dtml-in

This would print all the names (I guess you ment id's) of the objects in
that folder.

HTH.


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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?))

2001-06-28 Thread Erik Enge

On Thu, 28 Jun 2001, Tino Wildenhain wrote:

 Hm. a simple collection of questions? Certainly not. I talking of a
 whole mechanism, where you group input and output into contexts. From
 application view it would be an API, it schould work no matter if the
 input/ output is generated from and to HTML, WML, XML or even
 stand-allone GUIs.

Could you give me an example of how this would work?


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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?))

2001-06-28 Thread Erik Enge

On Thu, 28 Jun 2001, Stephan Richter wrote:

 Here my list of questions:
 
 1. Will we create ZClass or Python Products?

Python Products.
 
 Product-name
 
 2. I think it should ask some more meta-data information here, such as 
 License, Author(s), Description 

Yepp :)
 
 A list of images (like dtmldoc.gif and such)
 
 3. Okay, here we should have a loop of enter images with upload 
 functionality. The only problem is where do we save them in the mean time?

Upload?  Upload to where?

mk-zprod (as it works today) creates a directory on your filesystem, and
in that directory (which you just copy to your Products directory) it
creates an img/ directory and puts them there.
 
Or are you asking where the wizard should store them?  (Which I thought it
didn't have to.)

 If you want to set a default Catalog name
 
 4. Okay, I do not work with the catalog; what do you need, just a name or 
 the path? I think the WizardTreePage will help here.

Just the name. :)
 
 If you want nice redirection after adding objects
 
 5. Yep, how could that look like; should I provide users with a text area 
 or what?

In the dtml/ directory of mk-zprod you have Add2.dtml, that's the page the
user is redirected to after adding an object.  Maybe a text area with a
suggestion (like Add2.dtml) in it?
 
 7. Yeah, this is all the meta-data here, so that could go on one page.
 But you are missing a list of Base Classes. I have no clue where to
 get these from. I guess it is time to look into the ZClass code, but I
 think they use a separate Mechanism. The problem with the current
 product registry is that NO classes are listed anywhere, only their
 constructors, which is nothing worth in this case.

Hubbliski.  We could provide them with standard classes as defaults
(Persistent, Explicit/Implicit, AccessControl) and suggest some
others.  I'm not too sure about the ZClass thing.

 8. Should that just use the PropertyManager attribute _properties?

Yepp.

 I usually add the 'default' key to each property dictionary and write
 a two liner in the __init__ method to generate the properties with
 their default...

Why not just have:

def __init__(self, attrib1, attrib2='something'):
doc string
self.attrib1 = attrib1
self.attrib2 = attrib2

which could come from such a description:

attribs:
name: attrib1 default value: None
name: attrib2 default value: something
 
What do you think?

 9. Again, that would be a loop. But my question here would be: Are you
 using sub-classes that much. I have written one so far in all the
 products ...

My latest projects sub-classes left, right and center.  If we just have
the logic for a recursive loop there the user could add as many as s/he
wanted without it being much more work for us.
 
 Are coming to Berlin?

Well, I was, but I'm moving to France the 8. of July and I've just come
home (to Norway) from England.  England, Norway, France, Germany, France
all in just three weeks is a bit much :)  (Oh, and I have to get an
apartment in Antibes.)


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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?))

2001-06-28 Thread Erik Enge

On Thu, 28 Jun 2001, Erik Enge wrote:

   name: attrib1 default value: None
   name: attrib2 default value: something

No, that wouldn't work, because you might want None as the default for
that attribute.  Maybe Nothing, or somesuch then.


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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?))

2001-06-28 Thread Erik Enge

On Thu, 28 Jun 2001, Stephan Richter wrote:

 Well, but where are the images coming from. The Wizard is a Web
 Frontend, so we would need to upload the images or copy them from
 somewhere else from the file system.

From the filesystem of the user?

 BTW, the /img directory is non-standard. Better would be www/ since other 
 products use it as well.

Sure thing.  (Although, www/ indicates to me .html pages and various other
things too.)

 In fact, we only need to think about adding them with the right permissions 
 to the directory. A piece of code in the __init__.py will do the rest:

Yes.  This is what mk-zprod does today :)
 
 2. When the icon is uploaded, save it somewhere temporarily. At the end, 
 when all questioning is done, add everything at once. This has the 
 advantage that you can freely move back and forth until you finish the wizard.

Sounds good :)
 
  def __init__(self, attrib1, attrib2='something'):
  doc string
  self.attrib1 = attrib1
  self.attrib2 = attrib2
 
 Because this is horribly ugly and unflexible when you have 20 attributes. I 
 always have to change several places, if I modify, add or edit an 
 attribute/property.

Could you give me an example of how you would do it?  (Then I could
modify the mk-zprod code.)
 
 Well, we can describe that right away in the standard property dictionary 
 form; then we do not need to parse or do anything else.

Nice :)
 
 Well, I was, but I'm moving to France the 8. of July and I've just come
 home (to Norway) from England.  England, Norway, France, Germany, France
 all in just three weeks is a bit much :)  (Oh, and I have to get an
 apartment in Antibes.)
 
 Okay. It would have been a good place to discuss this further.

Morten Petersen from Thingamy will be there, I'm sure he has some thoughts
about it.
 
 Now, I looked at the mk-zprod code again. We need to make it a real
 Zope Product with a nice management API, so that I can use the
 functions from the Wizard.

I'll start typing right now.  I'll probably have something premature by
tomorrow.
 
 If we define this API clearly,

Ok.  I'll just write up mk-zprod as a Python Product and the API is
defined as I go.  Then, you could have a look and we can unite on one API
and I make the necessary changes in the code.  Yeah?

Unless, of course, you have some specific requests right away.

 Once the work, twice the reward! ;-)

I like.



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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?))

2001-06-28 Thread Erik Enge

On Thu, 28 Jun 2001, Stephan Richter wrote:

 For example we would need:
 
 manage_make_initializeProduct(...)
 manage_make_addClass(...)
 manage_make_addProperty(...)
 manage_make_addIcon(...)
 manage_make_addSubClass(mainClass, ...)

I just realised something.  How do you need this to work?  With regards to
the wizard.  Should mk-zprod produce the files and add them to a folder in
itself?  Or should it return everything for the wizard to handle?


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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?))

2001-06-27 Thread Erik Enge

On Tue, 26 Jun 2001, Stephan Richter wrote:

 Okay, okay...I stayed up and typed it down pretty quick (2 hours). I
 attached it to this mail. It is plain text, since I was too lazy to do
 it in HTML. It might be a little unstructured, but I am too tired to
 fix that now.

So what does it do?  :)

What I'm thinking is this: maybe use SmartWizard to meta-program you
Python Product; that creates a definition file(s) of some sort which is
sent to mk-zprod; mk-zprod consults the WarpFramework do make sure we
don't create too much work for ourselves, and also provides us with nice
default HTML/DTML-pages, and finally, Formulator could be used to do
validation on those HTML/DTML-pages.

Or are we talking past eachother here?

It would be very cool to have a tool like that.


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Re: [Zope-dev] ZPL and GPL

2001-06-27 Thread Erik Enge

On Wed, 27 Jun 2001, Paul Everitt wrote:

 It is a *desire* of ours to be GPL-compatible.  Not a requirement, as
 it can be awfully tricky, complicated, and time-consuming to get
 there.  But we've told people that we're intending to give it a shot.

That's much appretiated :)


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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?))

2001-06-27 Thread Erik Enge

On Wed, 27 Jun 2001, Tino Wildenhain wrote:

 if there are always many objects to create, may be it would be better
 to have a generic mechanism for asking users and represent
 app-/management interfaces rather then copying all the stuff over and
 over?

That's what mk-zprod does.  Or rather, will do once I've made the
interface friendlier.  (If I didn't misunderstand you.)


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Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?)

2001-06-26 Thread Erik Enge

On Tue, 26 Jun 2001, Giovanni Maruzzelli wrote:

 I'm not so picky about bloating, but adding a document of 1K adds some
 400K, and keeps growing.
: 
 How much eat for you (I know you cataloged some 50K documents)?

I can't remember, but surely not that much.  I had some 30.000 documents
that were about 30-60Kb on average (although some were several megabytes),
in addition to around 50.000 other objects (documents, if you like)
indexed.  My Data.fs would've been around 2.5GB if my memory serves me
correctly.

As I said, I had loads of Indexes too.


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Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?)

2001-06-26 Thread Erik Enge

On Tue, 26 Jun 2001, Eric Roby wrote:

 The bottom line to all this venting (and I am not trying to shoot the
 messenger here) is that I need to understand where my efforts should
 be focused.  If I need to abandon ZClasses in lieu of pure Python,
 then I need to know that now so I don't waste any more time on these
 false starts.

If your application can't be written in five minutes and you expect to use
it more than once, you shouldn't use ZClasses - IMO.  The only argument
for ZClasses (that I had at the time) was that it was very easy and fast
to set up a couple of classes and some instances.  After I wrote mk-zprod,
making Python Products is even faster than ZClasses, and certainly scales
better.

If you ask me, it would be better to streamline the Zope API a bit and
focus the effort on making it easier to start developing Python Products
at first go, instead of stopping by ZClasses.  I can't see the rationale
for ZClasses, but I'm sure there is one.  Right?

I seem to recall some fuzz about Python Products starting be alive in
the Zope instance (ie. behaving much like ZClasses) in a future release.  
I don't know if that's a good thing or not, but if it means ditching
ZClasses I'm all for it.


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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalogbloat problem (berkeleydb is a solution?))

2001-06-26 Thread Erik Enge

On Tue, 26 Jun 2001, Morten W. Petersen wrote:

 How about meta-programming (designing) via the Zope interface, with
 UML or somesuch; automatically generating Python code, then enable
 designers to use a ZFormulator-ish product to edit the interface while
 a programmer can work on the 'backend' (emacs on a terminal)?

What are you on my friend?  ;-)

How about writing the whole shebang in put in favourite editor here, as
is done today?  I don't see the need for any other change, but I do know
that DC (or atleast I suspect this is why they made ZClasses) hopes to
bring Zope-programming to a wider audience with ZClasses, and thus it
might have a purpose in life.

I don't know.  Python is a very easy language to learn.


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Re: [Zope-dev] ZPL and GPL

2001-06-26 Thread Erik Enge

On 26 Jun 2001, Michael R. Bernstein wrote:

 DC has been up-fron about how they make money. They do so by selling
 development services using Zope as a toolkit/platform.

Yes, and forcing those paying customers to use GPL is very hard (and not
very nice, either).
 
 Well, I guess the issue is whether you think that redistribution of a
 proprietary version of Zope itself is a good or bad thing.

No, that's not the issue, since I don't believe there will ever be a large
successfull proprietary version of Zope.  I think that is where we differ
in opinions.  Which is something that can only be tested by applying time
on it :).

 As a possible scenario, let's suppose that someone wanted to create a
 content mangement solution for the southeast asian market.

I just don't think it would be very successfull.  Zope isn't the type of
application that would be great as a closed-source one.  I just can't see
that happen; maybe I'm too naive.


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Re: Something better than ZClasses (was: Re: [Zope-dev] Re: Zcatalogbloat problem (berkeleydb is a solution?))

2001-06-26 Thread Erik Enge

On Tue, 26 Jun 2001, Stephan Richter wrote:

 I looked at the code pretty quick. I like it from the first view. It
 is very clean and easy to see the functionality. I think, if you can
 define an ZPI for your communication, then it will be no problem to
 put a SmartWizard Class Generator Front-End on top of this product.
 
What is ZPI?

 Well, the SmartWizard would be like the frontend for it. If you want
 to see an early non-SmartWizard-framework version, look at the
 ProiektorInstaller.  Just imagine you can build installers like that
 in Zope. I hope to be done with the first version on Thursday.

Great, will you let us know?
 
 I will upload the documents tomorrow though, since it is late here and
 I have to do some work still.

Ok.  I'll begin thinking about all the stuff I dreamt of making mk-zprod
into.
 
 I think that we will be able to combine the two products easily, once the 
 SmartWizard is in a semi-stable state.

Sounds good to me :)


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Re: [Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?)

2001-06-26 Thread Erik Enge

Giovanni, which Zope version are you running?

On Tue, 26 Jun 2001, Chris McDonough wrote:

 How many indexes do you have, what are the index types, and what do
 they index?  Likewise, what about metadata?  In your last message, you
 said there's about 20.  That's a heck of a lot of indexes.  Do you
 need them all?

In my installation I have about 30 or 40
Position(Text)Index/KeywordIndex/FieldIndex.  They don't bloat much, so I
don't think that's the problem.  (The problem might be that we have
different views on what bloating is, though :)


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[Zope-dev] Re: Zcatalog bloat problem (berkeleydb is a solution?)

2001-06-25 Thread Erik Enge

(I removed [EMAIL PROTECTED].)

On Mon, 25 Jun 2001, Giovanni Maruzzelli wrote:

 Any hints on how to manage something like? We use both textindexes,
 fieldindexes, and keywordsindexes (textindex on string properties,
 fieldindexes on boolean and datetime, keywordindex on strings). Maybe
 one kind of indexes is to be avoided?
 
 Erik, any toughts?
 
Well, after ChrisM told me about the behaviour of CatalogAwareness, and I
removed that from my classes, my ZCatalog bloatness has evaporated.  I
really can't see any major bloat-problem on either memory-consumption or
disk-space.  (That was with Zope 2.3.2b2.)

Which is very good for me, but doesn't necessarily help you much.  :)


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Re: [Zope-dev] ZPL and GPL

2001-06-25 Thread Erik Enge

On 25 Jun 2001, Michael R. Bernstein wrote:

 Other than keeping the door open for this eventuality, is there any
 other reason to choose a BSD style license over the GPL?

Yes.  A commercial one; an imperative one.  If I make a Zope Python
Product, I must license it as GPL to be able to redistribute.  That's just
unacceptable in my eyes.  (It would probably go against my personal
beliefs to do that, but in the business-would you can't barge in with a
hard GPL-attitude all over your face and expect people do readily do
business with you.  That's why we need a transition period; 'till the
catch up with us.)

I, for one, am quite convinced that most of the revenue Zope help
companies create out there is done by proprietary Zope Python Products.  
With Zope under GPL this wouldn't be possible.  (Me thinks.)
 
 Unless I've misunderstood something (which is certainly possible), DC
 doesn't seem to have anything to lose by switching from a BSD style
 license to the GPL (or a GPL style license with an additional optional
 attribution clause), and quite a bit to gain.

How do you suppose DC make their monies?  I'm quite sure they can't
license Zope under the GPL because they would intimidate their market too
much with it (an assumption that could be wrong, naturally).

Let's hope they go for a GPL-compatible one.  I can't see what they
would/could loose by using a BSD-style one, maybe you have some thoughts
on that?



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Re: [Zope-dev] ZPL and GPL

2001-06-25 Thread Erik Enge

On Mon, 25 Jun 2001, Shane Hathaway wrote:

 (Paul says:) I think the goal should be for Zope and Python to
 converge on the same license, with perhaps the new license being some
 off-the-shelf license like Apache's.

Wow, lobbying the management team at DC is pretty easy ;-).

It's good to see that things will be resolved; thanks Shane.


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Re: [Zope-dev] Re: [Zope-dev]ZPL and GPL licensing issues

2001-06-23 Thread Erik Enge

[Simon Michael]

| Now you're talking. Seconded.

Me too!

And if the management team really needs alot of serious breakdowns as
to why this is a problem (GPL-incompatability, that is) let me know
and I'll drum up a nice little mail of my own.  :)

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Re: [Zope-dev] ZPL and GPL licensing issues

2001-06-22 Thread Erik Enge

On Fri, 22 Jun 2001, Shane Hathaway wrote:

 Now, if the ZPL were GPL compatible, the GPL would be in full effect
 for products.  Digital Creations would automatically have the rights
 to redistribute derivatives of ZWiki.  I believe DC would even be able
 to distribute ZWiki with Zope as long as any dependent products (such
 as CMFWiki) are also GPL'ed.  Zope itself would not have to be GPL'ed
 since it does not depend in any way on ZWiki.

Now I think I have two different answers to one of my fundamental
questions in this discussion: if I have a GPL-compatible licensed product
and I distribute it with a GPL product, do I need to relicense the former
one to GPL?  Because that is what I understand you to say.  Others have
said the opposite.

This is very important.  Because if you can't be compatible without
escaping to have to relicense to GPL, the GPL is worthless to me.
 
 If your philosophy agrees with the GPL, I urge you to lobby DC to get
 the ZPL changed.
: 
 - DC has not changed the ZPL because there hasn't been any strong push
 to make it happen. [...] Make your voice heard.  Keep in mind that
 many on the management team don't have time to read the zope-dev and
 zope lists.

I hope that you guys at DC reading the list make them aware of the fact
that many people as frustrated with this.  And it is not a small issue,
either, as I'm sure we are all too aware of.

I'd love to lobby DC to start thinking about this, how do I get in touch
with the management team?  It would be great if we could discuss this on
[EMAIL PROTECTED] (or similar) and have them read/comment on that
list.  To start off with, it would be great if we could see the rationale
for the ZPL, and how they think it applies to the current situation.


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Re: [Zope-dev] ZPL and GPL licensing issues

2001-06-22 Thread Erik Enge

On Fri, 22 Jun 2001, Morten W. Petersen wrote:

 Yes, you can distribute a GPL-compatible licensed code with GPL
 licensed code without licencing the former under GPL.  Take a look in
 the Linux-kernel source tree for example.

Ok, good.  Then Thingamy's intermediate solution will be to create a TPL
which is basically the ZPL with the incompatible-clauses ripped out
(number 4 and 7, I think).  That way we are compatible with both the ZPL
and the GPL.

It's still a mess, though.


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Re: [Zope-dev] ZPL and GPL licensing issues

2001-06-21 Thread Erik Enge

On Wed, 20 Jun 2001, Gregor Hoffleit wrote:

 You're not allowed to distribute a derived work of GPL code with proprietary
 code incorporated.

Ok, this is the situation.  We in Thingamy usually create all our products
under the GPL.  Then we give the whole shebang to the client we have been
working for and they have all the lovely rights that they should have.  If
they want to redistribute, they can.

Then, we have the other clients, that's the clients that are scared
shitless from the GPL because if someone gets ahold of the code, that is
their business-processes, it could be devastating for their business.  It
is a semi-legitimate fear, but only if they have the intention of actually
redistributing the code (eg. becomming software-vendors, which some
actually want to do...).

If I have the proprietory program P (that is the clients business-process
workflow application *phew*) as a Zope Python Product and then we have
Morten's GUM under the GPL, which also is a Zope Python Product, can P
application utilise GUM without having to be relicensed as GPL?  (And I
realise that the word utilise is ambigous, that was intentional.)

To ask again, if it was unclear: can I use GPL Zope Python Products with
non-copylefted Zope Python Products without relicensing?  It is imperative
for me as a professional Zope-developer (ie, I charge for my services) to
know the answer to that question, and I should think it is vital to other
developers as well.

Surely someone from DC already as the answer?

Another question which I feel is very related, and to which I cannot get
any real clarification:  Can Zope run GPL Zope Python Products without
being relicensed as GPL?

All the GPL Zope Python Products I've writted as subclassed from
Persistent, for example.

 I. e. if you want to use that GPL code in your work, you'll have to
 make the proprietary code available under a GPL-compatible license as
 well (not necessarily the GPL itself).

use [...] in your work, what does that mean?  Subclassing?  Interaction
between the products in a management-interface?
 
 The Zope license doesn't even get into the play here. It's all between
 the GPL and your proprietary license.

Hm.  What about a ZPL Zope Python Product and a GPL Zope Python
Product?  Isn't the problem exactly the same?


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Re: [Zope-dev] ZPL and GPL licensing issues

2001-06-21 Thread Erik Enge

On 21 Jun 2001, Federico Di Gregorio wrote:

 if your product derives from GUM or uses internal interfaces, no, you
 can't. if your product uses only well the defined external api or
 access gum through zope, then, imho, yes.

Ok, that's good.  Then it means we can potentially use GPL Zope Python
Products with non-copyleft ones.
 
 good question. imho, licensing a zope product under gpl is a non-sense
 because you won't be able to use it (usually products inherit on zope
 classes) and respect the gpl at the same time. that's why i always
 release under a double license. i really hope dc will release zope
 under a gpl compatible license soon or later.

Because if you have a gpl-compatible license you dont have to relicense to
redistribute, right?
 
 yes. terrible, terrible problem. but, please don't see that as a
 license war. different people like different licenses for different
 reasons and that's Right (TM). this war is just all of us trying to
 cooperate to put free software to a better use.

Amen to that :-)


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Re: [Zope-dev] ZPL and GPL licensing issues

2001-06-21 Thread Erik Enge

On Thu, 21 Jun 2001, Nils Kassube wrote:

 * Jim Penny [EMAIL PROTECTED] [2001-06-20 19:12]:
  
  As far as I can tell you are wrong, but there are certainly gray
  areas.  The last time this came up I wrote such a scenario up and 
  tried to get FSF clarification.  Nothing ever came back.
 
 I got a clarification from the FSF. It's in the mailing list archives
 at [...]

So, the outcome is that one cannot use GPL Zope Python Products and
distribute the system.  That sounds logical, since ZPL is not GPL
compatible.

What then, is to distribute the system?  If I install GUM (GPL) on a
clients Zope instance, have I distributed anything?  Is it putting it on
the same website, same tarball, under the same invoice of consultant
services or what?  Help.

Can I raise I question without getting flamed (since the question isn't
rethorical but a sincear one): was the advertisement-clauses in the ZPL
meant to secure Zope's progress to become a big and respected piece of
software?  Has it not secured that now?  My real question is: what good
will the advertisement-clauses do us now?  What harm would it do to remove
them?  (No, that last one isn't rethorical :-)


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Re: PossitionIndex (was: Re: [Zope-dev] ZCatalog phrase indexingrevisited)

2001-06-20 Thread Erik Enge

On Tue, 19 Jun 2001, Chris Withers wrote:

 I'm guessing this is the point at which your problems become mine? ;-)

*evil laughter*  Yes :-)

We should write about it and publish it to the community...


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RE: [Zope-dev] ZPL and GPL licensing issues

2001-06-20 Thread Erik Enge

On 20 Jun 2001, Federico Di Gregorio wrote:

 i am sure that the QPL and the ZPL are completely incompatible but
 nobody cares because nobody really thinks that one is better than the
 other...

I might be misunderstanding here, if that's the case I appologies.

Just to clarify, for us at Thingamy (and I'm quite sure this is the real
case behind the license issues) it comes down to business-issues.  I do
very much care whether or not I can use a GPL Zope Python Product with my
ZPL/TPL Zope Python Product.  If I can't, and someone tells me I need to
relicense my product as GPL it would be very bad.

An example could be if I had application G, Z, P.  G is a GPL'ed Zope
Python Product, Z is a ZPL/TPL Zope Python Product and P is some
proprietory stuff I developed for my client.  Now, if the proprietory
application P interacts with my Z application and Z needs to become GPL,
then that would/could require the proprietary stuff I did for the client
to become GPL as well.

Then, I get hell.  If the client has to disclose their business
trade-secrets, the stuff that really makes them them, I'd be sued so hard
I'd see stars for another three decades :)

Or am I wrong (I'd absolutely love to be!)?


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Re: PossitionIndex (was: Re: [Zope-dev] ZCatalog phrase indexingrevisited)

2001-06-19 Thread Erik Enge

On Mon, 18 Jun 2001, Andreas Jung wrote:

 These are good ideas to improve the TextIndex. I already encouraged
 Erik to put alltogether into a Fishbowl proposal,

Which I would do, if I had time.  Which I will have, but not for another
two weeks. :-)


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Re: PossitionIndex (was: Re: [Zope-dev] ZCatalog phrase indexingrevisited)

2001-06-17 Thread Erik Enge

On Sat, 16 Jun 2001 [EMAIL PROTECTED] wrote:

 Lexis-Nexis:  Sean w/2 Upton  (where w/2 is within 2 words)

This wouldn't be hard to make happen.  I don't know if it is better to do
it before of after the parsers, though.  Maybe a more userfriendly alias
would be best as a default?



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Re: PossitionIndex (was: Re: [Zope-dev] ZCatalog phrase indexingrevisited)

2001-06-17 Thread Erik Enge

On Fri, 15 Jun 2001, Chris McDonough wrote:

 Once you're satisfied with the implementation, would you be willing
 submit the module to the collector?

Do you think you (or someone else for that matter) could have a look at
[1] the method that returns the position in the document - positionInDoc()
- to how that could be made to run much faster?  Maybe it is how it
used...  It is too slow to be very useful when indexing large amounts of
data.

Anyway, I suck at making Python fast (or using it the right way, which
ever I've fallen pray for this time ;-), and any hints would be greatly
appretiated.

I've been indexing and searching a lot this weekend, and bar that problem
with the indexing-speed it seems ok and I have no issues submitting it to
the Collector.

[1] URL:http://nittin.net/erik/software/PositionIndex/PositionIndex.py


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Re: PossitionIndex (was: Re: [Zope-dev] ZCatalog phrase indexingrevisited)

2001-06-16 Thread Erik Enge

On Fri, 15 Jun 2001, Chris McDonough wrote:

 Once you're satisfied with the implementation, would you be willing
 submit the module to the collector?

Will do.  Have you thought about how users actually are to use
exact-phrase?  What I'm thinking I will do here (currently I've only been
testing explicitly with adjoinedby in the query) is to insert
adjoinedby in phrased searches:

erik enge- erik adjoinedby enge
erik ... enge  - erik near enge

What do you think?

I'll be submitting PositionIndex.py and ResultList.py in a day or two.


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Re: PossitionIndex (was: Re: [Zope-dev] ZCatalog phrase indexingrevisited)

2001-06-15 Thread Erik Enge

On Thu, 14 Jun 2001, Chris McDonough wrote:

 Excellent!  I haven't looked at it in detail, but thanks very much for
 contributing it! Maybe we can roll some of this work into a
 position-aware Text Index

It is actually a TextIndex on steoroids.  Remove the _proximity attribute
and a couple of methods and what you are left with is a standard
TextIndex.  So I think what you already have is a position-aware
TextIndex.  That's how I'm planning to use it anyway :)

 or maybe even a new kind of Pluggable Index.

:-)


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[Zope-dev] SearchIndex/ZCatalog comments.

2001-06-15 Thread Erik Enge

When writing the PossitionIndex, a bunch of questions arrised (Zope
2.3.2):

This is from UnTextIndex.py Zope 2.3.2 line 250 (or there abouts).
Why is the wordMap needed?


def getEntryForObject(self, rid, default=None):
Get all information contained for a specific object.

This takes the objects record ID as it's main argument.

wordMap = self.getLexicon(self._lexicon)._lexicon.items()
results = self._unindex.get(rid, None)

if results is None:
return default
else:
return tuple(map(self.getLexicon(self._lexicon).getWord,
 results))



I thought we didn't make it into a BTree 'till it was  5?:


else:
if indexRow.get(documentId, -1) != score:
# score changed (or new entry)

if type(indexRow) is DictType:
indexRow[documentId] = score
if len(indexRow)  3:
# Big enough to give it's own database record
indexRow=IIBTree(indexRow) 
index[entry] = indexRow
else:
indexRow[documentId] = score


shouldn't objects be object?:


def index_object(self, documentId, obj, threshold=None):
 Index an object:
'documentId' is the integer id of the document

'obj' is the objects to be indexed


do we need this is ZCatalog.py?:


from SearchIndex import UnIndex, UnTextIndex 


this isn't true?  what about keywordindexes (only 'Field' and 'Text'
mentioned)?:


class ZCatalog(Folder, Persistent, Implicit):
ZCatalog object

A ZCatalog contains arbirary index like references to Zope
objects.  ZCatalog's can index either 'Field' values of object, or 
'Text' values.


do we need this in UnTextIndex.py?:


from Splitter import Splitter


from ResultList.py:


def __or__(self, x):
return self.__class__(
weightedUnion(self._dict, x._dict)[1],
union(self._words, x._words),
self._index,
)
return self.__class__(result, self._words+x._words, self._index)


two returns?

Sorry if this is all mambo-jambo, or if it is already fixed in 2.4.


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Re: PossitionIndex (was: Re: [Zope-dev] ZCatalog phrase indexingrevisited)

2001-06-15 Thread Erik Enge

On Thu, 14 Jun 2001, Erik Enge wrote:

 To be really useful I think the PossitionIndex' _proximity dictionary
 needs to be turned into a BTree of some sort, but apart from that I
 don't know what is missing.

It's now using BTrees.  And I renamed it to PositionIndex (thanks to
Chris Withers for this :-).
 
 And speed might be a problem, haven't really tested that yet.  Will
 during the weekend though.

I indexed 30.000 objects using PositionIndex and searching (both
exact-phrase and near) is very fast.  It doesn't seem to be bloated,
either (the _proximity-attribute, that is).

Do you guys have a testing-suite for indexes?  Maybe some I can apply to
this index of mine?


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Re: [Zope-dev] Advanced REQUEST inside Python Class Problem

2001-06-11 Thread Erik Enge

On Sun, 10 Jun 2001, Stephan Richter wrote:

 But, if I try: dtml-var ObjectInstance, then I cannot use
 self.REQUEST, since the namespace is somehow not passed.

Don't you have to use dtml-var ObjectInstance()?


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Re: [Zope-dev] multiple servers!

2001-06-11 Thread Erik Enge

On Mon, 11 Jun 2001, Stian Jenssen wrote:

 I wan't to run two webservers on the same machine one, zope/apache an
 one apache.  Can I set it up with 2 ports eg. 8080 and 80 but how do I
 do it?

Edit the z2.py file in your zope/ directory, look for HTTP_PORT and adjust
that to your needs.


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Re: [Zope-dev] ANN: ReplacingDateTime proposal

2001-06-08 Thread Erik Enge

On Thu, 7 Jun 2001, Andreas Jung wrote:

 Feel free to review and comment the propsal to replace
 the current DateTime module of Zope by the mxDateTime module:

From the proposal:


License issues

mxDateTime stands under the EGENIX Public License that is considered to be
an Open Source license. It should be compatible to GPL except there is
discussion about the choice of the law clause between R. Stallmann and
M-A. Lemburg


Shouldn't it be focused on compatability with the ZPL instead of the
GPL?  From what I hear, there still are issues with, for example,
distributing Python Products as GPL with Zope.

Anyone with better knowledge about this care to enlighten me?


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Re: [Zope-dev] ANN: ReplacingDateTime proposal

2001-06-08 Thread Erik Enge

On Fri, 8 Jun 2001, Stephan Richter wrote:

 See an earlier post on a different thread. Chris wrote that the
 license is BSDish and is therefore compatible with ZPL. This means
 that mxDateTime could be distributed with Zope.

Yes, but in the proposal Andreas mentions the GPL, not the ZPL, and that
is what throws me off.


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Re: [Zope-dev] using php on zope

2001-06-08 Thread Erik Enge

On Fri, 8 Jun 2001, Stian Jenssen wrote:

 Hi there!

Hello :)
 
 I wan't to use php with zope, does anybody know how the header syntax
 shall look like? Tried diffrent syntaxes but i get wierd outputs, not
 as expected.

Try this one: URL:http://www.zope.org/Members/Mamey/PHP.


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Re: [Zope-dev] Bulletproof ZCatalog proposal

2001-06-07 Thread Erik Enge

On Thu, 7 Jun 2001, Shane Hathaway wrote:

 It really doesn't matter how many conflicts there are.  Within a
 single transaction, 1 conflict is as bad as 100.

Why?
 
 But I think I have a solution for all of the issues in conflict 
 resolution. 

Whee!

 If you, or anyone else, is also interested in this, please show
 support (if only by saying please do this!) :-)  I can't work on it
 unless I have a reason to.

Please do this!


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Re: [Zope-dev] Zope Server hanging :-(

2001-06-06 Thread Erik Enge

On Wed, 6 Jun 2001 [EMAIL PROTECTED] wrote:

 ... at least then we know what the exception is.
: 
 Again - try that code in an interactive interpreter if you really want to
 find out what's going on...

Yeah, thanks, that would work as a workaround, but isn't this buggish
behaviour?


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Re: [Zope-dev] 60GB Data.fs?

2001-06-06 Thread Erik Enge

[no cross-posting, please]

On Wed, 6 Jun 2001, Bjorn Stabell wrote:

 We're planning a Yahoo! Clubs like system that should scale to about
 30, 000 users.  Assuming about 3,000 groups and 20MB per group (group
 functionality includes photo albums), gives a database size of 60GB.
 Assuming on average 3,000 users per day, 20 page views per users,
 gives about 60,000 page views (not a lot, but if it's all dynamically
 generated?).

You're going to need some serious hardware for that.  You could do a lot
with your setup though (ZEO, RDBMS, distributed application-programming)
but I don't have much experience to share on that.  In a scenario where
each box (if you have several) has its own 60GB Data.fs I'd be worried
about disk-activity for one.  It seems to me (with my petty 1GB Data.fs)
that it is the disks rather than ZODB itself that slows things down.

 At this scale, how would ZODB hold up with respect to memory use and
 speed?  I've heard rumors that it loads an index into memory on
 start-up.

I'm running a 1GB Data.fs with CompressedStorage here and that takes
probably about 3-5 minutes on a 1GHz with 1GB RAM.  I keep banging my head
against it, but it just won't run faster.

Let us know how that project progress, will you? :)



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Re: [Zope-dev] 60GB Data.fs?

2001-06-06 Thread Erik Enge

On Wed, 6 Jun 2001, Erik Enge wrote:

 I'm running a 1GB Data.fs with CompressedStorage here and that takes
 probably about 3-5 minutes on a 1GHz with 1GB RAM.  I keep banging my
 head against it, but it just won't run faster.

Oops, misleading you there.  Actually, FileStorage uses about 40 seconds
to initialize the Data.fs.  Can't complain about that.  (Although 60GB
might not be too fun ;)


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Re: [Zope-dev] Zope Server hanging :-(

2001-06-06 Thread Erik Enge

On Wed, 6 Jun 2001, Richard Jones wrote:

  http://www.zope.org/Members/anthony/BarewordExcepts
 
 Feel free to find the bad except: and submit a patch...

Ugh.  There are tons of them...  I'll see what I have time for.


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Re: SV: [Zope-dev] 60GB Data.fs?

2001-06-06 Thread Erik Enge

On Wed, 6 Jun 2001, Magnus Heino (Rivermen) wrote:

 Where can I get PartitionedFileStorage?

Here: URL:http://www.zope.org/Members/hathawsh/PartitionedFileStorage

Didn't show up in any searches, though.  Maybe worth indexing?


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Re: [Zope-dev] 60GB Data.fs?

2001-06-06 Thread Erik Enge

On Wed, 6 Jun 2001, Matt Hamilton wrote:

 Out of interest, is this startup time avoided when using BerkeleyDB as
 the storage?  I know that it has its own indexes etc. so I am
 wondering if it no longer needs to load an index into memory.

I'm not sure, but as I said in a previous oops-correcting-myself-mail it
actually only uses 40 secs - FileStorage, that is.


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Re: [Zope-dev] [Announce] API Documentation Fishbowl Project

2001-06-06 Thread Erik Enge

On Mon, 4 Jun 2001, Amos Latteier wrote:

 I encourage you to check it out and leave your comments, criticisms, and
 suggestions. 

I like.  That pretty much captures it :)

There is one thing, though.  Let's say I have this class NiceBigCar.  The
developers docs from what you suggest are fine, but how about semantics
for adding users/clients/otherpersons docs as well?  I know it's only
documenting API's but surely the users use the API at some level too.

Is it meant to be like this:

   NiceBigCar/
  doc/
  dev/
  user/

for example?

I love the AOP stuff and I can't wait to start fiddling with it (once TW
is out for Python 2.1) and I just wonder if there is an easy way of
combining this weaving-effect with documentation.  I don't know, it might
be out of scope, or maybe the proposal takes care of that already, just in
a different way.


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Re: [Zope-dev] Zope Server hanging :-(

2001-06-05 Thread Erik Enge

On Sun, 29 Apr 2001, Erik Enge wrote:

 I'll try to do an hour or so of analysing this tomorrow, and I'll get back
 to you.  :-)

Well, now we all know what vikings believe an hour or so mean, don't we?

I figured it out, I think.  Let's say I have these two methods:

 def a():
b()

 def b():
a()

If I call a(), then Zope dies and restarts without giving me any error
at all.  Anyone got a clue?  Makes debugging a bit tedious sometimes.
I added a couple of print's in the methods and it seem to call them both
many times before dying.

I seem to remeber some ExessiveRecursion or some such error that popped up
on me a year or two ago, has that left for happier hunting fields?


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[Zope-dev] SearchIndex: is this behaviour in 2.4?

2001-06-04 Thread Erik Enge

Hi,

sorry I can't test this myself.  I get this behaviour in 2.3.2, and I find
it strange.  I'd classify it as a bug.

If I pass this query to a TextIndex:

  (word1 OR word2) AND (word3)

it is first translated to this:

   [['word1', 'or', 'word2'], 'and', ['word3']]

which is fine.  But then, after query_hook() in GlobbinLexicon.py:

   [['word1', 'or', 'word2'], ['word3']]

and then the default_operator (Or) is used (by parse2()/query() in
UnTextIndex.py, I think), and turns it into:

   [['word1', 'or', 'word2'], 'or', ['word3']]

kinda not what I wanted.  Since I always use parens around OR's I can just
set the default_operator to And and this solves my problem, but it's still
not working correctly.

Is this fixed in Zope 2.4?


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Re: [Zope-dev] ANNOUNCE: Zope 2.4.0 alpha 1 released

2001-06-01 Thread Erik Enge

On Thu, 31 May 2001, Brian Lloyd wrote:

 Zope 2.4.0 alpha 1 has been released - you can download it from
 Zope.org:

Cool stuff.

I have a couple of comments, though.  For future ref., should I post them
to the Collector?

- lib/python/Products/PluginIndexes/__init__.py is missing the ZPL

- why is Catalog.gif in Products/ZCatalog and not in
  Products/ZCatalog/www like ZCatalog.gif?

- the version.txt in lib/python/ says:
  Zope 2.4.0a1 (source release, python 1.5.2, linux2)
  which sounds a bit funny in my ears...  Might be me, I dunno.

The biggest one is the fact that I can't build it, but I think that's a
problem with my Python installation.

Once I've got it up and running I might do some actual testing, which I'm
looking forward to! :)


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Re: [Zope-dev] Bulletproof ZCatalog proposal

2001-05-31 Thread Erik Enge

On Wed, 30 May 2001, Shane Hathaway wrote:

 I have written a proposal.

So, if I understand correctly, when this is implemented, will the ZCatalog
always resolve conflicts and never raise ConflictErrors?  If there are no
ConflictErrors in the main object system?

I think I'm missing the point here.


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Re: [Zope-dev] Bulletproof ZCatalog proposal

2001-05-31 Thread Erik Enge

On Thu, 31 May 2001, Shane Hathaway wrote:

 How did you miss the point?  That's exactly the point! :-)

Oh :)
 
 Right now ZCatalog randomly generates ConflictErrors even if there are
 no conflicts in the data being indexed.

This is why I think I've missed a/the point: wouldn't it be better to
figure out why ZCatalog randomly generates these ConflictErrors instead of
making them disappear using other means?


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[Zope-dev] CompressedStorage

2001-05-31 Thread Erik Enge

Hi,

has anyone given this a good run?  I'm a bit confused as to how to make it
work.  Do I just subclass it in FileStorage?  Will it work with existing
Data.fs or do I need to start anew, so to speak?

Thanks.


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Re: [Zope-dev] CompressedStorage

2001-05-31 Thread Erik Enge

On 31 May 2001, Ty Sarna wrote:

 Zope basically uses whatever object custom_zodb.Storage is as the
 storage.

Ahh...  I can feel the zen pouring over me :)

 What you want to do is create a FileStorage, and wrap it with a
 CompressedStorage and use that. Your custom_zodb.py would look like:
 
Great!  I'll try it...

 [*] this is simplified for ease of explanation... it doesn't really work
 this way.

Ahh...  I feel the zen flowing back from wherever it came...

;-)
 
 BTW, DC people... you should feel free to include CompressedStoage in
 Zope.

I'll second that.
 
 Also, I'm sure it would be appreciated if anyone (DC or not) took the
 time to write a HowTo on custom_zodb.py (hopefully more detailed and
 accurate than above)

Much appretiated.  I've been Zoping around for, hm, two years now and this
is the first I hear about custom_zodb.py - Max M was right, it's hard to
put all of Zope into ones head all at once :)


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Re: [Zope-dev] Wildcards in TextIndex query. Do they work?

2001-05-29 Thread Erik Enge

On Thu, 24 May 2001, Michel Pelletier wrote:

 I don't think you are using a globbing vocabulary.

I think I am:

 print_info(applic.Catalog(word='scripto*'))
unsplitted ['scripto*']
unl: ['scripto*']
unq: [104623, 'or', 112198, 'or', 151568]
Length: 6
Content: [mybrains instance at 1226d358, mybrains instance at 127bb540, mybrains 
instance at 12bd8138, mybrains instance at 127bb658, mybrains instance at 
1226c620, mybrains instance at 12092eb0]
 print_info(applic.Catalog(word='(scripto*)'))
unsplitted []
unsplitted ['scripto*']
unl: ['scripto*']
unsplitted []
unl: [['scripto*']]
unq: ['scripto*']
unq: [['scripto*']]
Length: 0
Content: []


the unsplitted, unl and unq are my debug flags, but you can see what
happens: without parens the '*' has it's desired effect, with, it doesn't.

Got a clue?  Is this my bug, or ZCatalog's?


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Re: [Zope-dev] Wildcards in TextIndex query. Do they work?

2001-05-25 Thread Erik Enge

On Thu, 24 May 2001, Michel Pelletier wrote:

 I don't think you are using a globbing vocabulary.

But globbing works for other queries.  In the same catalog.
 
 If you are not using a glob vocab, I suspect it stripped out the ? and
 is hitting on 'eri'.  Do you have that word anywhere?

I tried searching for:

   eri

and that gave me four results.  No globbing, then?
 
 Then again, where did you get these objects?  If you were looking at the
 wrong point in the code, the wildcards may not have been expanded yet.

Could be it...
 
  
   [['erik', '...', '...', '...', 'enge']]
 
 Where do you see this?

I can't reproduce it right now, I'll let you know if I see it again.
 
 Make sure you are using a globbing vocab.  Note that you can't change
 a catalog's vocabulary once the catalog is made, so you have to make a
 new catalog.

How can I change it for a new one?


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[Zope-dev] Wildcards in TextIndex query. Do they work?

2001-05-24 Thread Erik Enge

Hi,

is it me, or is this just not working:

(word1 or word*) and (wor?3)

ie. wildcards in TextIndex queries.  I can't seem to make it work, and I'm
not able to track down where it stops working.  Should it work in the
first place?

Zope 2.3.2

Thanks.


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Re: [Zope-dev] Wildcards in TextIndex query. Do they work?

2001-05-24 Thread Erik Enge

On Thu, 24 May 2001, Casey Duncan wrote:

 Works great for me. Perhaps you are using a Vocabulary that has
 Globbing turned off?

I'm not sure, how do I check?

This query works:

wil?car*

This doesn't:

(wil?car* or something else) and (word1 and word2)

I can't see that the query-parsers in UnTextIndex.py transforms them
differently, but I might be missing something obvious.


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Re: [Zope-dev] Wildcards in TextIndex query. Do they work?

2001-05-24 Thread Erik Enge

On Thu, 24 May 2001, Michel Pelletier wrote:

 If the first works, then you are using a globbing vocabulary.  The
 second one should work, but maybe there is a bug.  Or perhaps your
 search criteria is so strict that you are getting no results.

Hm.  Something isn't right here.

This:
  
   eric

got me 70 hits.

This:

   eri?

got me 4 hits.

That's a bit strange, if you ask me :)

This:

   (erik) and (enge)

returned 1 hit

This:

   (erik) and (eng?)

gave me none.

The first one looked like this after the parsers had nibbled on it:

  [['erik'], 'and', ['enge']]

And the latter one:

  [['erik'], 'and', ['eng?']]


This:

  (erik ... enge)

turned in to:

  [['erik', '...', 'enge']]

and returned one (correct) result.  Although, I recall seeing something
like this:

 [['erik', '...', '...', '...', 'enge']]

earlier, which probably should never make sense.  Something is wrong here.

Where should I look next to figure out what's going on?
 
  I can't see that the query-parsers in UnTextIndex.py transforms them
  differently, but I might be missing something obvious.
 
 There's _nothing_ obvious in that particular chunk of code.

Good, then it's just not me.  Is the overall design philosophy for
ZCatalog/Catalog/SearchIndex documented anywhere?  (By the way, from
lib/python/SearchIndex/TextIndex.py, what is sws and cv3?)


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Re: [Zope-dev] ZCatalog/TextIndex: searching for the exact phraseword1word2

2001-05-21 Thread Erik Enge

On Sat, 19 May 2001, Chris McDonough wrote:

 8 words.  Not characters.  But actually I just looked at the source
 and it's not even that.  It's treated essentially as an AND query,
 because the UnTextIndex code doesn't store any proximity information
 between words. ( I knew this once, but I had forgotten.

I've done alot of practical testing with it now, and it seems that the
exact phrase query might be overrated.  So far, the already-available
query types have sufficed.  I'll let the client to even more testing, but
if they don't really need it, I can't justify spending time on
it.  Obviously :)
 
 Well, I know the above is a little hairy, but it's an outline.  The
 first thing to do is to write a fishbowl proposal explaining why it
 should be done and perhaps how it can be done...

As I said, if the client blahblablbalbah, then I'll try a fishbowl
proposal.  Thanks, anyway, though :-).


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Re: [Zope-dev] ZCatalog/TextIndex: searching for the exact phraseword1 word2

2001-05-19 Thread Erik Enge

On Fri, 18 May 2001, Chris McDonough wrote:

 You should be able to do this with quotes around the words, but that
 feature is sort of only half-wired-up at this point. [snip] Currently,
 quotes around word do the same thing as parens around words (word1
 NEAR word2).  Sigh.

What does NEAR mean, then?  How near is NEAR?

Is it in line for 2.4?


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Re: [Zope-dev] ZCatalog/TextIndex: searching for the exact phraseword1 word2

2001-05-19 Thread Erik Enge

On Sat, 19 May 2001, Chris McDonough wrote:

 I believe it means within 8 words in the current implementation...

So, word1 NEAR wordlongerthan8characters wouldn't come up with
anything?  Or is it number of characters inbetween?
 
  Is it in line for 2.4?
 
 No, unfortunately.  I'm not sure when it will be on the map.  This is
 an area where someone outside of DC sufficiently motivated to make it
 work could help.

Hey, I'll be glad to help.  If you could show me the ropes I'll hack away
like, uhm, a hacker!


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[Zope-dev] ZCatalog/TextIndex: searching for the exact phrase word1 word2

2001-05-18 Thread Erik Enge

Hiya,

it basically says it in the subject.  How can I search for word1
word2 without ZCatalog/TextIndex interpreting it as word1 or/and 
word2?


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Re: [Zope-dev] ZCatalog, REQUEST, misc.

2001-05-17 Thread Erik Enge

On Tue, 15 May 2001, Chris McDonough wrote:

 I'll be curious to see the results.  Hopefully you'll have better luck
 under 2.3.1b2.

I've indexed about 410.000 objects now.  A plain query with 'meta_type'
and 'firstname' to searchResults takes about 3-4 seconds.  Not too bad,
but not that good either.

I'm sure I can so something to make it faster, but other than index fewer
objects (which I can't do, since I have more objects that needs to be
indexed) I don't see what else I can do.

Maybe one could design a framework of scalable Catalogs?  Just like ZEO
does for ZODB?


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Re: [Zope-dev] ZCatalog, REQUEST, misc.

2001-05-17 Thread Erik Enge

On Thu, 17 May 2001, Chris McDonough wrote:

 I'd be curious to know how long a query that involves only a single
 field index takes, and how long a query that involves only a single text
 index takes... does each take a roughly equivalent amount of time?

I might be able to check that for you later tonight or during the
weekend.  What I did to solve my problems was to throw a couple of objects
around so that I now only have about 50k objects in the Catalog.

Boy it's fast.  I like! :)

 Or is one much faster than the other?  If one is not much faster than
 the other, it's a Catalog issue.  If one *is* much faster than the
 other, it's an Index issue.

Have you guys at DC not done testing on this?  Maybe we could set up a
test-group for each module in Zope, say Catalog/ZCatalog/SearchIndex,
that before each release, really beat the living shit about of it?  A bit
more coordinated.
 
 What's an acceptable query time for your application?  Are you sorting
 the results via sort_on?

Well, actually, the query time isn't that bad (now with only 50k objects),
it's all the problems a big result-set drags along with it that really
slows things down.


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Re: [Zope-dev] ZCatalog, REQUEST, misc.

2001-05-17 Thread Erik Enge

On Thu, 17 May 2001, Chris McDonough wrote:

 Well, that's good, except I thought you couldn't get rid of objects?

Muhahaha.  I got those little bastards... :)
 
 Yes, but not with 1,000,000 objects (see
 lib/python/ZCatalog/tests/testCatalog.py).  It would be nice to have
 such a report.

If I have time, I'll give you such a report this weekend.  No promises,
though.
 
 That sounds good!  At least for the Catalog.  Want to be a tester?  

Sure!  Just let me know a couple of days (I'd love a weeks notice, but
that might be stretching it?) notice and I'll have a go at it and give
plenty of feedback (if there is any, of course).

Have you read 1984 by George Orwell?  Maybe we could have a Hate Week for
the Catalog once in a while.  Just absolutely find everything one hated
about it.  Hate the Catalog Week ;)


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Re: [Zope-dev] ZCatalog, REQUEST, misc.

2001-05-16 Thread Erik Enge

On Tue, 15 May 2001, Chris McDonough wrote:

 YourCatalog.catalog_object(newobject)
 
 as opposed from inheriting from CatalogAware and relying on manage_afterAdd
 or calling object.index_item() manually.  That's really it.

Well, if you put it that way :)

*removing CatalogAwareness*
 
 (it's fairly DWIM-ish as well)

DWIM?

 Both CatalogAware and CatalogPathAware need to be fixed somewhat (they
 need to be replaced with an observer-based cataloger).  This is
 probably my fault at this point, but don't say I didn't tell you not
 to use them later.  ;-)

Hehe, ok :)


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Re: [Zope-dev] ZCatalog, REQUEST, misc.

2001-05-15 Thread Erik Enge

Thanks for the fast reply!

On Tue, 15 May 2001, Chris McDonough wrote:

 Have you read
 http://www.zope.org/Members/mcdonc/HowTos/UpgradeToNewCatalog/index_html
 ? I suspect there will be improvement.

Surely there will be improvement, but not of factors two or three, or
more?

And, I can do the who adding process again, so I don't need to convert the
Catalog.
 
  If I do not uncomment those things in CatalogAwareness.py I get an error
  on SERVER_URL.  I think it is resolve_url() that tries to make a run for
  it.
 
 What are you referring to when you say those things in the sentence above?

Sorry, the lines 181-184 of CatalogAwareness.py:

def index_object(self):
A common method to allow Findables to index themselves.
#if hasattr(self, self.default_catalog):
#getattr(self,self.default_catalog).catalog_object(self,self.url()\
)  

 
 Have you seen the makerequest.py script inside of the
 lib/python/Testing directory?  It does what you're trying to do when
 you set applic.REQUEST=REQUEST (the major difference being that it
 works ;-).

I'll check that out.  :-)

 If you read the Zope Developer's Guide testing and debugging chapter
 from its CVS repository, I believe it's documented in there.  If you
 don't have the lib/python/Testing/makerequest.py file, look on
 cvs.zope.org for it.

Will do  :)

 I'll be curious to see the results.  Hopefully you'll have better luck
 under 2.3.1b2.

So I hope.  I'll let you know when the results come through; probably
tomorrow morning at the earliest.

Thanks so far :)


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Re: [Zope-dev] ZCatalog, REQUEST, misc.

2001-05-15 Thread Erik Enge

On Tue, 15 May 2001, Chris McDonough wrote:

 Probably not much difference on bare bulk indexing speed, but I'll bet
 that it finishes this time. ;-)

We'll see :)
 
 I'd either make my own CatalogAware-alike mixin class that did things
 a bit differently than CatalogAware (perhaps didn't index on add, and
 didn't unindex on delete), or I'd just manage the whole lot completely
 manually. (How often will each of these million objects change?)

Not often.  But new objects will be added to them quite
frequently.  Catalog aware ones.
 
 CatalogAware is fairly ancient code at this point, and I don't think
 it was written with the mindset that there would be a million objects
 in any particular catalog.

Hm...  I'll give it some thought.  If it works the way it is now, I'm
sufficiently happy.  If not: late nights making ErikAwareness ;).

:-)


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Re: [Zope-dev] Zope Server hanging :-(

2001-04-29 Thread Erik Enge

On Fri, 27 Apr 2001, Chris Withers wrote:

 Well, I thought the upgrade to 2.3.2b2 would solve the problem but it
 hasn't :-( I have a (very important :-S) Zope instance which hangs at
 what seems like the slightest touch.

Maybe I can help.

I've seen similar behaviour, and by some chance I discovered what it was
that was causing it - which might not be the same thing that is causing
your problem.

When, in my Zope Python Product, I call a method that does not exist, Zope
dies, restarts and then is fine again.  If something (another method or a
browser perhaps) is calling this method again and again, Zope does a die,
restart, rinse, repeat.

I think the problem is that it doesn't throw the necessary Exception, or
that it actually throws it, but it is somehow captured by a try-except
that I've put out somewhere, so it doesn't show.

The problem is fixed once I stop calling the non-existant method.

I haven't had time to check whether this is the case with the latest
version of Zope, but it is with Zope 2.3.1b1, at least.

Maybe you have a method that is called when someone access that URL, but
that method does not exist?


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Re: [Zope-dev] Zope Server hanging :-(

2001-04-29 Thread Erik Enge

On Sun, 29 Apr 2001, Dieter Maurer wrote:

 Very strange! 

Indeed.
 
 Did you look in the log files? Have their been any core dumps?

I'll try to do an hour or so of analysing this tomorrow, and I'll get back
to you.  :-)


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Re: [Zope-dev] 27 million objects.

2001-04-27 Thread Erik Enge

On Thu, 26 Apr 2001, Dieter Maurer wrote:

 Are the imported object CatalogAware?

They are.

 The old (pre 2.3.1) catalog implementation was know not to be very
 storage friendly. If a significant portion of the catalog indexes
 would be affected by imports, then you would see a quadratic storage
 increase.

I'm using Zope 2.3.1b1 so that shouldn't be a problem?


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Re: [Zope-dev] 27 million objects.

2001-04-27 Thread Erik Enge

On Thu, 26 Apr 2001, Chris McDonough wrote:

 This level of growth doesn't seem like a sane level of growth... what
 Zope version are you using?

Zope 2.3.1b1 
 
  Someone told me that ZEO and bulk-adding could be a thing to look at...
 
 Isn't bulk-adding what you're doing now?

It is, but I'm not using ZEO.


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Re: [Zope-dev] 27 million objects.

2001-04-27 Thread Erik Enge

On Fri, 27 Apr 2001, Chris Withers wrote:

 Erik Enge wrote:
  
  I'm using Zope 2.3.1b1 so that shouldn't be a problem?
 
 Yes, it will be. [...]

So the bug in Zope 2.3.1b1 which makes the ZODB grow dramatically is
gone in Zope 2.3.2b2?



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Re: [Zope-dev] 27 million objects.

2001-04-26 Thread Erik Enge

On Thu, 5 Apr 2001, Michael R. Bernstein wrote:

 I'm trying to find out of there is a point where you start getting
 non-linear performance penalties for additional objects (storing,
 retreiving, or indexing).

I've just finished adding a somewhat small number of objects: 5000.
For every 1000th object, the Data.fs seemed to grow to about 900MB; that's
when things started going slow, in a non-linear fashion (this is more a
hunch than something I payed much attention to).

I paused the script (fancy Unix-command: ^Z) for every 1000th object,
packed the database (which shrunk to 19.5MB!  Hmpf.) and restarted the
script (again, fancy Unix-command: fg).  Then I was back to the same
speed as I initially had.

Does ZODB have a problem with big Data.fs files?  Not that I
know.  However, I do have a really fast SCSI-subsystem here so that
shouldn't be a big problem either.

I did some copying around with a couple of gigs, and it seems that my
hunch is right: ZODB does not have a problem with big Data.fs files, the
hardware does.

This could be caused indirectly by ZODB if it does too many operations on
the file, but I'm not too conserned about that.  Ie. a solution could be
to have ZODB play around with the Data.fs at a less frequent pace, or do
it in another fashion.  However, that's not really solving any problems,
unless ZODB is a total maniac with the filesystem.

I'm converting to ReiserFS this afternoon, maybe that will improve things
a bit.

Someone told me that ZEO and bulk-adding could be a thing to look at...


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[Zope-dev] Splitter.c hack by Spisak; anyone have a Splitter.so?

2001-04-24 Thread Erik Enge

Hola,

please don't make me touch C or a ... erm... you know, one of those
compiler-thingys.   I don't like them.

Does anyone have a nicely baked Splitter.c for Linux?  The one that Spisak
hacked to make it chew and swallow anything?

Fhank you very much. :-)


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[Zope-dev] How to choose: Or, Not and And when using searchResults().

2001-04-18 Thread Erik Enge

Hi,

I was wondering, is there a way I can choose whether I want searchResults
to Or, Not or And the search?  Or do I need to combine searchResult calls
and what not?


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Re: [Zope-dev] How to choose: Or, Not and And when using searchResults().

2001-04-18 Thread Erik Enge

On Wed, 18 Apr 2001, Chris McDonough wrote:

 You need to manually do unions or intersections on results from multiple
 calls to searchRequest currently.

Is this a feature to be implemented?  If not, why not?

Oh, and by the way, "searchRequest"?


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[Zope-dev] Catalog Indexes.

2001-04-09 Thread Erik Enge

I need some help with indexes.

I'm confused about what I can index in which Index.  Which index does not
remove numbers?  Which of them do I use to index a telephone number
(containing characters).  What about email addresses?  Special characters? 

*oink* Help...


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Re: [Zope-dev] 27 million objects.

2001-04-09 Thread Erik Enge

On Thu, 5 Apr 2001, Michael R. Bernstein wrote:

 I'm trying to find out of there is a point where you start getting
 non-linear performance penalties for additional objects (storing,
 retreiving, or indexing).

I don't know, but I feel that is the case.  Actually, I know it is the
case, but I don't know what is causing it.  I know what isn't helping
though; CatalogAwareness.  I added 2000 objects with XML-RPC.  No other
queries were done during that period.  For each object about 70 DTML
Method/Documents were added.  The first couple of hundres went with a pace
of 2-3 seconds per object.  After that it started to get real slow, and
when I reached about 500 I was down to 5 seconds per object.  I killed
that script, rewrote it to only add 20-25 DTML Methods/Documents and
removed the CatalogAwareness and whoosh!  Under 1 second for each object
and it stayed like that for the entire 2000 objects.

The server is a 1GHz thingy with 1GB RAM.  It wasn't working too hard - it
seemed.
 
 Meanwhile Erik, what approach *did* your programmer take?

Well, the obviously more correct one. :)  He just made the files (that I
were going to index in a Catalog) stay on the filesystem and wrote some
nice regexps to do the searching I though I needed the speed of the
Catalog to do (yeah, yeah, I'm a rookie).

Thanks Jim! :)  
 
 I'll look forward to it.

Ok, and you know what to do if you haven't heard from me and the year is
not 2001 any more ;)


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Re: [Zope-dev] Catalog Indexes.

2001-04-09 Thread Erik Enge

[observe the speed of Chris replying... *astounded* :)]

On Mon, 9 Apr 2001, Chris Withers wrote:

 Erik Enge wrote:
  
  I'm confused about what I can index in which Index.  Which index does not
  remove numbers? 
 
 FieldIndex, KeyIndex

Wow, KeyIndex?  Is this a new one?  Or did you mean KeywordIndex?
 
  Which of them do I use to index a telephone number
 
 How would you like to search that index?

I'd like to find this telephone number (it is a string...): +44 1234
123456.
 
 Likewise...

As above, passing the string to searchResults; "[EMAIL PROTECTED]" f ex.
 
 You probably want a FieldIndex but it might not be searchable in the
 way you want...

Which one would?


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[Zope-dev] 27 million objects.

2001-04-05 Thread Erik Enge

Hi, Michael.

Sorry for taking so long getting back to you.

The programmer solving our problems with the post codes has solved it in a
different way than what I would've done (his method is way superior), so
we're not ending up adding all addresses as Zope Objects.

Therefore, I don't have any benchmark tests available.  We are going to
transfer some 10GB of data at a later stage though (within a month), and
that could result in some tests being done - if so, I'll send you an
email.  :-)


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Re: [Zope-dev] Could not load state?

2001-02-28 Thread Erik Enge

On Tue, 27 Feb 2001, Chris Withers wrote:

 I've started seeing errors like this:

Hm.  It might be related to the problem Andrew K. is seeing over at
[EMAIL PROTECTED]?


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Re: [Zope-dev] Could not load state?

2001-02-28 Thread Erik Enge

On Wed, 28 Feb 2001, Chris Withers wrote:

 Are there archives for that anywhere?

There sure is... 

URL:http://lists.zope.org/pipermail/zodb-dev/2001-February/thread.html


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Re: [Zope-dev] REQUEST.steps

2001-02-28 Thread Erik Enge

On Wed, 28 Feb 2001, Chris Withers wrote:

 Is it alright to rely on this attribute of the REQUEST object?

Hm  What is 'steps' in context of REQUEST?


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Re: [Zope-dev] Zope 2.3.1b1, strange things when ConflictError.

2001-02-26 Thread Erik Enge

On Sun, 25 Feb 2001, Steve Alexander wrote:

 I wasn't reading the code clearly the first time around.
 
 By far the simplest place to return copied results from methodB is to 
 change the last line to

Thanks, it all works nice.  Nearly, that is.  

The reverse problem is now gone.  But the fact that every time I get a
ConflictError it doesn't "flush" the 'objects' of methodB, and just seems
to append to it, still remains.

I only get this when a ConflictError occur.


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Re: [Zope-dev] Zope 2.3.1b1, strange things when ConflictError.

2001-02-26 Thread Erik Enge

On Mon, 26 Feb 2001, Erik Enge wrote:

 I only get this when a ConflictError occur.

Nope, it occurs every time I change to another object.  I need to do some
more testing here.  It seems as if the 'objects' variable of 'methodB' is
semi-persistent or something.  Weired.


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Re: [Zope-dev] Zope 2.3.1b1, strange things when ConflictError.

2001-02-26 Thread Erik Enge

On Mon, 26 Feb 2001, Steve Alexander wrote:

 Chris McDonough wrote:
 
  The use of a literal anonymous list in methodb's signature for "objects" may
  have something to do with the results you're getting on conflict.  Try
  assigning "objects" to an empty list in the method body instead.
 
 Of course!

I'm missing out on something here.  Why is this an "of course"?  What's a
"literal anonymous list"?


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