Re: [Zope-dev] Structured Text Plus
On Tue, 12 Jun 2001, Ian Clatworthy wrote:
Andreas Jung wrote:
- Original Message -
From: Ian Clatworthy [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Sunday, June 10, 2001 9:52 PM
Subject: [Zope-dev] Structured Text Plus
I've put together the design for an extended version of
Structured Text which I'd like some feedback on before
I go too much further. At this stage, the design is
explained via a series of user-level How-To's, e.g.
Writing Documents Using Structured Text Plus.
Could you please summarize the benefits compared to
STXNG ?
As I understand things from reading the STXNG Wiki stuff,
it's largely an internal rewrite which adds 2 or 3 new
features, namely images and tables.
This is only a small feature compared to what STXNG really adds to
structured text. STXNG turns structured text into cross-format Document
Object Model (DOM) in two stages and then into a final format. The first
stage turns it into a simple DOM that reflects the paragraph structure,
but not the markup (italics, bold, links, etc.).
The second stage uses the first stage DOM to create an even more elaborate
DOM based on markup or colorized text found in the first DOM's
paragraphs.
The second stage DOM can then be fed to a final outputter stage that
renders the DOM in any format you want, currently we support HTML,
DocBook, and MML (Framemaker or something like that) and it would be easy
to add any other XML format or PDF. Here's an example that will work for
you:
print text
Title
o *one*
o **two**
o 'three'
#
# Create the basic DOM structure
Basic(text)
StructuredTextDocument([
StructuredTextParagraph(Title, [
StructuredTextParagraph( o *one*, [
])
StructuredTextParagraph( o **two**, [
])
StructuredTextParagraph( o 'three', [
])
]),
])
#
# Create the Colorized DOM structure
Document(Basic(text))
StructuredTextDocument([
StructuredTextSection(StructuredTextSectionTitle(Title, [
]), [
StructuredTextBullet(StructuredTextEmphasis('one'), [
])
StructuredTextBullet(StructuredTextStrong('two'), [
])
StructuredTextBullet(StructuredTextLiteral('three'), [
])
]),
])
#
# Generate HTML from the DOM
print HTML(Document(Basic(text)))
html
head
titleTitle/title
/head
body
h0Title/h0
ul
liemone/em/li
listrongtwo/strong/li
licodethree/code/li
/ul
/body
/html
#
# Generate DocBook from the DOM
print DocBookChapter(Document(Basic(text)))
chapter
titleTitle/title
itemizedlist
listitemparaemphasisone/emphasis /para/listitem
listitemparaemphasistwo/emphasis/para/listitem
listitemparaliteralthree/literal/para/listitem
/itemizedlist
/chapter
You should really work from STXNG because we designed it to be extended,
just like you want to do. You can subclass and customize the colorizer
in the second stage to recognize your own customized markup and do what
you will with it. Amos and I did this to support images in the book.
You can also customize outputers as I explained.
You are targeting also the single-source approach
for documents with STPlus - what are the benefits
compared to working solution like Docbook ?
Upwards compatibility with STX, i.e. something more
readable than XML.
Amen to that!
-Michel
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Re: [Zope-dev] Structured Text Plus
Michel Pelletier wrote: As I understand things from reading the STXNG Wiki stuff, it's largely an internal rewrite which adds 2 or 3 new features, namely images and tables. This is only a small feature compared to what STXNG really adds to structured text. STXNG turns structured text into cross-format Document Object Model (DOM) in two stages and then into a final format. The first stage turns it into a simple DOM that reflects the paragraph structure, but not the markup (italics, bold, links, etc.). Yes, the new processing architecture is great and I fully intend to leverage it as much as possible. I'm not sure if I'll need to make some additional changes to the core classes as well? If I do, I don't expect them to be large. Ian C. -- This transmission is for the intended addressee only and is confidential information. If you have received this transmission in error, please delete it and notify the sender. The contents of this e-mail are the opinion of the writer only and are not endorsed by Mincom Limited unless expressly stated otherwise. ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] Non-undoable storage
Hia guys, during testing of a mail product I've discovered that the Data.fs file may bloat considerably after storing 50 messages. Packing the database will reduce the Data.fs file to 20 MB (from 40 MB). Another thing is that storing 50 messages takes a *long time* on a 600Mhz 256 MB RAM system. The thing that struck me was that transactions may cause a lot of overhead, both in database size and for execution speed, so, the thing I'm wondering about is if there exists a non-undoable storage, or something similar that doesn't support transactions.. Another thing I noticed BTW, is that retrieving 500 messages and packing the database on every 50th message (all messages retrieved during one request) would lead to off the charts memory usage, the process ended up using 700 MB of RAM (had to add swap files as the footprint grew!) Cheers, Morten ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Non-undoable storage
Morten W. Petersen wrote: during testing of a mail product I've discovered that the Data.fs file may bloat considerably after storing 50 messages. Packing the database will reduce the Data.fs file to 20 MB (from 40 MB). Another thing is that storing 50 messages takes a *long time* on a 600Mhz 256 MB RAM system. Did you catalog each message? What version of Zope? The thing that struck me was that transactions may cause a lot of overhead, both in database size and for execution speed, so, the thing I'm wondering about is if there exists a non-undoable storage, or something similar that doesn't support transactions.. Yep, see BerkeleyStorage. Another thing I noticed BTW, is that retrieving 500 messages and packing the database on every 50th message (all messages retrieved during one request) would lead to off the charts memory usage, the process ended up using 700 MB of RAM (had to add swap files as the footprint grew!) You could either: 1) Import messages in a single transaction with subtransactions. This would take less time and incur less memory consumption and database bloat. We at DC have experimented with bulk-loading mail into Zope and this is what works the best. 2) Change the database cache parameters to keep the RAM cache as low as possible (set the timeout to 3 seconds and the target size to 10). 3) Manually zap the caches periodically, which is a capability of Zope 2.4.x. Shane ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Non-undoable storage
Shane Hathaway wrote: Morten W. Petersen wrote: during testing of a mail product I've discovered that the Data.fs file may bloat considerably after storing 50 messages. Packing the database will reduce the Data.fs file to 20 MB (from 40 MB). Another thing is that storing 50 messages takes a *long time* on a 600Mhz 256 MB RAM system. Did you catalog each message? What version of Zope? Hold your tongue, Shane! ;-) The thing that struck me was that transactions may cause a lot of overhead, both in database size and for execution speed, so, the thing I'm wondering about is if there exists a non-undoable storage, or something similar that doesn't support transactions.. Yep, see BerkeleyStorage. Another thing I noticed BTW, is that retrieving 500 messages and packing the database on every 50th message (all messages retrieved during one request) would lead to off the charts memory usage, the process ended up using 700 MB of RAM (had to add swap files as the footprint grew!) You could either: 1) Import messages in a single transaction with subtransactions. This would take less time and incur less memory consumption and database bloat. We at DC have experimented with bulk-loading mail into Zope and this is what works the best. See ZCatalog's ZCatalog.py/catalog_object method for an example of using subtransactions. Note that the cacheFullSweep call in there is necessary to see any RAM savings. 2) Change the database cache parameters to keep the RAM cache as low as possible (set the timeout to 3 seconds and the target size to 10). 3) Manually zap the caches periodically, which is a capability of Zope 2.4.x. Shane ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope ) ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Non-undoable storage
On Tue, 12 Jun 2001, Shane Hathaway wrote: Did you catalog each message? What version of Zope? Yes, every message was cataloged. Zope version 2.3.2 3) Manually zap the caches periodically, which is a capability of Zope 2.4.x. Okay, this is interesting. Any examples on how to implement cache zapping? Cheers, Morten ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Non-undoable storage
Chris McDonough wrote: Shane Hathaway wrote: Morten W. Petersen wrote: during testing of a mail product I've discovered that the Data.fs file may bloat considerably after storing 50 messages. Packing the database will reduce the Data.fs file to 20 MB (from 40 MB). Another thing is that storing 50 messages takes a *long time* on a 600Mhz 256 MB RAM system. Did you catalog each message? What version of Zope? Hold your tongue, Shane! ;-) Eh? confusedly... Chris ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Non-undoable storage
Morten W. Petersen wrote: On Tue, 12 Jun 2001, Shane Hathaway wrote: Did you catalog each message? What version of Zope? Yes, every message was cataloged. Zope version 2.3.2 Were subtransactions in the Catalog turned on (see the Advanced page)? ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Non-undoable storage
On Tue, 12 Jun 2001, Chris McDonough wrote: Morten W. Petersen wrote: Yes, every message was cataloged. Zope version 2.3.2 Were subtransactions in the Catalog turned on (see the Advanced page)? Yes, and the threshold was at 1. -Morten ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Non-undoable storage
On Tue, 12 Jun 2001, Morten W. Petersen wrote: On Tue, 12 Jun 2001, Shane Hathaway wrote: Did you catalog each message? What version of Zope? Yes, every message was cataloged. Zope version 2.3.2 3) Manually zap the caches periodically, which is a capability of Zope 2.4.x. Okay, this is interesting. Any examples on how to implement cache zapping? self._p_jar._resetCache() is how you do it. It doesn't break circular references within the database, but normally there shouldn't be any circular references. Be careful with _resetCache(). It should only be called when you know there aren't any objects waiting to be written (within the thread), such as just after a call to get_transaction().commit(1). Shane ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] Pluggable Index How-To Questions
Andreas Jung wrote: There is a new How-To for PlugginIndexes: http://www.zope.org/Members/ajung/howto/PluginIndexes/index_html Looks great :-) Coupla Questions: Is there anything you can do in the index_object method to re-use ZCatalog's get all attributes and call them if they're callable? In uniqueValues, what do the lengths that withLengths returns actually mean? In _apply_index, are ResultSet objects and how to build them documented anywhere? What is cid used for? I take it query_options is better understood by looking at the PathIndex example? And finally, has anyone considered writing a Pluggable Index that uses an SQL index or tabel of some sort to do its indexing? How abotu a 'Generic Pluggable Index' that lets you implement the interface using Python Scripts, ZSQL methods, etc? cheers, Chris ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Pluggable Index How-To Questions
- Original Message - From: Chris Withers [EMAIL PROTECTED] To: Andreas Jung [EMAIL PROTECTED] Cc: Matt Hamilton [EMAIL PROTECTED]; zope-dev [EMAIL PROTECTED] Sent: Tuesday, June 12, 2001 9:41 AM Subject: [Zope-dev] Pluggable Index How-To Questions Andreas Jung wrote: There is a new How-To for PlugginIndexes: http://www.zope.org/Members/ajung/howto/PluginIndexes/index_html Looks great :-) Coupla Questions: Is there anything you can do in the index_object method to re-use ZCatalog's get all attributes and call them if they're callable? Don't understand the question...maybe I don't know this ZCatalog feature. In uniqueValues, what do the lengths that withLengths returns actually mean? Good question - I think uniqueValues is only used for FieldIndex. I think you usually must not implement it - I must check this... In _apply_index, are ResultSet objects and how to build them documented anywhere? What is cid used for? Best way is to take a look in PathIndex.py.. I take it query_options is better understood by looking at the PathIndex example? There is a new API for passing parameters to the searchResults() of the ZCatalog (see ZCatalog/help/ZCatalog_Parameters.stx and doc/changenotes). The query_options is a list of options that the index is interested when it gets a search request. And finally, has anyone considered writing a Pluggable Index that uses an SQL index or tabel of some sort to do its indexing? never heard of it. How abotu a 'Generic Pluggable Index' that lets you implement the interface using Python Scripts, ZSQL methods, etc? uuuh.I think you can write that as a Product. But I don't think we will write this. And I don't like the idea...I prefer to write such a package with VI and store it in the filesystem :-) Andreas ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Request for a Pluggin Index (NameIndex)
Matt Hamilton wrote: On Mon, 11 Jun 2001, Chris Withers wrote: Wow Matt, you seem to know what you're talking about :-) My final year University project was to create an Open Source mailing list archive :) I did quite a bit of reading into information retrieval and assorted algorithms and data structures. Ah, okay :-) Once I get a spare minute I am going to try and re-implement it in Python and using ZODB (with BerkeleyDB storage) I might try and port some of the code over to work as a PluggableIndex too. Cool... One of the main tasks is to write a python wrapper around my compression code. I will have to look more closely at how to write Python modules in C, as it does lots of bit twiddling which is in a very tight loop. The object will basically be a compressed list to which you can append ascending integers and will allow various fast union/intersection operations with other similar objects. This in itself may be sufficent to use in a PlugginIndex. Yeah, I'd love to see it... Unfortunately I don't have the time. Unless I can use it myself directly in a project we have funding for (or unless anyone wants to fund my time to develop it) I will have to wait until I have some more time on my hands. No worries... cheers, Chris PS: Whereabouts in the UK are you? Bristol. hehe... will be out celebrating my birthday there this Wednesday evening :-) If you see me lying in a gutter on Thursday morning, please don't kick me too hard ;-) ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Acquisition Filtered Folder stuff
Dieter Maurer wrote: Chris Withers writes: Dieter Maurer wrote: What you probably need: derive a new ObjectManager from Acquisition.Explicit and the current ObjectManager. provide an interface to manage the attributes that should be acquired implicitly. Well, I had a go at this, but not quite in the way you describe. I subclassed Folder and overrode __getattr_ with: This does not work because Python calls __getattr__ only, if it can not find the attribute through normal means. Due to the implementation of Acquisition, acquired attributes are found by normal means bypassing __getattr__. Ah, that makes sense :-) You may be successful, if you override __of__. It is this method that (usually) builds the acquisition wrapper. When does it not build the wrapper? You can try to build an explicit rather than implicit acquisition wrapper. Yeah, I'll give it a go, once the problems below have been worked out... The easiest way, of course, is to derive the class from Acquisition.Explicit with higher priority (more to the left) than from Acquisition.Implicit. Hmmm... then maybe use the acquire() method to get hold of names that can be acquired, in the __getattr__ method? There is a more fundamental problem here though; If you limit acquisition to a specified list of names, what do you do about all the stuff Zope normally silently acquires, like the security context, the REQUEST, etc? It would be great if you could make it work along the lines of acquire all the Zope internal stuff, but beyond that, only acquire if the name is in this list. But how would we define all the Zope internal stuff and how would we implement the logic? Hurm... this sounds like a problem of Fultonesque proportions :-S cheers, Chris ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Pluggable Index How-To Questions
Andreas Jung wrote: Is there anything you can do in the index_object method to re-use ZCatalog's get all attributes and call them if they're callable? Don't understand the question...maybe I don't know this ZCatalog feature. My perception is that the 'classic' ZCatalog Indexes have a method something like: def getValue(self,obj): try: value = getattr(obj,self.id) # self.id is the name of the index. # The interface doesn't specify how to # get hold of this :-S if callable(value): value=value() except AttributeError,TypeError: value=None return value ...which gets the value to index. I was wondering if that function is available anywhere rather than having to re-implement it each time you write a new pluggable index. That said, I guess the 'classic' indexes have been re-implemented as PluggableIndexes? In uniqueValues, what do the lengths that withLengths returns actually mean? Good question - I think uniqueValues is only used for FieldIndex. I think you usually must not implement it - I must check this... Well, IMHO, uniqueValues shouldn't be part of the interface. AFAIK, it only makes sense with certain types of index: KeywordIdnexes and possibly FieldIndexes. Is that the case? In _apply_index, are ResultSet objects and how to build them documented anywhere? What is cid used for? Best way is to take a look in PathIndex.py.. OK :-) There is a new API for passing parameters to the searchResults() of the ZCatalog (see ZCatalog/help/ZCatalog_Parameters.stx and doc/changenotes). The query_options is a list of options that the index is interested when it gets a search request. OK... How abotu a 'Generic Pluggable Index' that lets you implement the interface using Python Scripts, ZSQL methods, etc? uuuh.I think you can write that as a Product. hehe... cool :-) But I don't think we will write this. And I don't like the idea...I prefer to write such a package with VI and store it in the filesystem :-) I agree, but when you're exploring what you want to do and don't have access to the filesystem, it could be really useful. thanks for the answers, Chris ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] multiple servers!
Stian, It's probably nicer to use the -P option for z2.py which allows you to specify a port offset for all ZServer services. ie. -P 8001 puts http on 8081 and ftp on 8022 or -P 8002 puts http on 8082 and ftp on 8023 --Tim PS. sorry all for the Base64 encoding on the previous message. _ Tim McLaughlin Iteration Zero - www.iterationzero.com 703-481-2233 Message: 8 Date: Mon, 11 Jun 2001 12:04:31 +0200 (CEST) From: Erik Enge [EMAIL PROTECTED] To: Stian Jenssen [EMAIL PROTECTED] cc: '[EMAIL PROTECTED]' [EMAIL PROTECTED] Subject: Re: [Zope-dev] multiple servers! 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. ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] How to return downloadable content from Python Method
Blandford, Simon [BSS Audio UK] wrote:
I am compressing files which need to be uncompressed inline before
download. The DTML href=... calles a python method in the product
which returns the uncompressed file data. Say this file is an MSWord
document, how do I return this as a file to download? Presently, the
browser just tries to display the binary file and makes a mess of it.
Regards,
Simon B.
It probably is not setting the content-type header. Add something like
this to the method that returns the data:
RESPONSE.setHeader('Content-Type', self.content_type)
Where content_type is set to the MIME type of the data, which for MSWord
is 'application/msword'
--
| Casey Duncan
| Kaivo, Inc.
| [EMAIL PROTECTED]
`--
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[Zope-dev] DCOracle2 Beta 3
For all of you (or at least, BOTH of yousmirk) Oracle users out there, I packed up DCOracle2 Beta 3 this morning, including Z Oracle Stored Procedures as part of ZOracleDA. It can be found in the usual place, http://www.zope.org/Members/matt/dco2 This isn't much different from Beta 2 except for some SP tweaks and the Z Oracle Stored Procedures, except that the NT builds are release versions with Oracle 8i (e.g. SP discovery code) features enabled -- when I built Beta 2 I goofed the build and packaged a debug release without the 8i specific features on. I'll confess that I'm not a heavy user of Stored Procedures, so your mileage may vary; particulary when using IN/OUT binds where type conversions need to take place from unweildy Oracle native types (like SQLT_NUM.) If you play with the stored procedure objects in Zope, it's probably worth pointing out that the default permissions won't include execute permission -- you have to specifically enable that for non-manager roles. On the far-out front, a few people have asked how you might do user-specific connections to the database (ie instead of pooling by a common connection, you individually authenticate to Oracle with your own password). Clearly, cloning the base Connection object would be fairly straighforward, but authenticating it to Oracle would not be, as the user password wouldn't be available. If anyone feels strongly about that (ie you have a notion on how you would make it work and/or you need it), feel free to write me. From a performance standpoint it would be terrible, but security auditors would love it. ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
OracleStorage? Re: [Zope-dev] DCOracle2 Beta 3
Are there any plans to port OracleStorage over to use DCOracle2? John On Tuesday 12 June 2001 10:46, Matthew T. Kromer wrote: For all of you (or at least, BOTH of yousmirk) Oracle users out there, I packed up DCOracle2 Beta 3 this morning, including Z Oracle Stored Procedures as part of ZOracleDA. It can be found in the usual place, http://www.zope.org/Members/matt/dco2 This isn't much different from Beta 2 except for some SP tweaks and the Z Oracle Stored Procedures, except that the NT builds are release versions with Oracle 8i (e.g. SP discovery code) features enabled -- when I built Beta 2 I goofed the build and packaged a debug release without the 8i specific features on. I'll confess that I'm not a heavy user of Stored Procedures, so your mileage may vary; particulary when using IN/OUT binds where type conversions need to take place from unweildy Oracle native types (like SQLT_NUM.) If you play with the stored procedure objects in Zope, it's probably worth pointing out that the default permissions won't include execute permission -- you have to specifically enable that for non-manager roles. On the far-out front, a few people have asked how you might do user-specific connections to the database (ie instead of pooling by a common connection, you individually authenticate to Oracle with your own password). Clearly, cloning the base Connection object would be fairly straighforward, but authenticating it to Oracle would not be, as the user password wouldn't be available. If anyone feels strongly about that (ie you have a notion on how you would make it work and/or you need it), feel free to write me. From a performance standpoint it would be terrible, but security auditors would love it. ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope ) -- . . . . . . . . . . . . . . . . . . . . . . . . John D. Heintz | Senior Engineer 1016 La Posada Dr. | Suite 240 | Austin TX 78752 T 512.633.1198 | [EMAIL PROTECTED] w w w . d a t a c h a n n e l . c o m ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Acquisition Filtered Folder stuff
Chris Withers writes:
Dieter Maurer wrote:
You may be successful, if you override __of__.
It is this method that (usually) builds the acquisition wrapper.
When does it not build the wrapper?
If it is not the __of__ defined by Acquisition.{Im,Ex}plicit,
it may not build acquisition wrappers.
E.g. the __of__ of ComputedAttribute does not.
The easiest way, of course, is to derive the class from
Acquisition.Explicit with higher priority (more to the left)
than from Acquisition.Implicit.
Hmmm... then maybe use the acquire() method to get hold of names that can be
acquired, in the __getattr__ method?
Read the Acquisition documentation:
With explicit acquisition, you can declare that some attributes
should be acquired implicitly.
Of course, you can do it in __getattr__, too.
There is a more fundamental problem here though; If you limit acquisition to a
specified list of names, what do you do about all the stuff Zope normally
silently acquires, like the security context, the REQUEST, etc?
I expect, that the security context is explicitly acquired
(not sure).
For REQUEST and some essential other objects, you can declare
them to be implicitly acquired.
It would be great if you could make it work along the lines of acquire all the
Zope internal stuff, but beyond that, only acquire if the name is in this list.
But how would we define all the Zope internal stuff and how would we implement
the logic?
The first question may have some surprises. The second should not be too
difficult.
Hurm... this sounds like a problem of Fultonesque proportions :-S
Maybe, we wait a bit. As I heard, DC is thinking about making
acquisition explicit rathen than implicit.
Dieter
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[Zope-dev] Re: AW: jcNTUserFolder
Thank you for the tip with the access file. The remote user mode with challenge\response works perfect if I delete the Password of the access file. But, if I delete the Password of the access file I get a Zope Error when I am not using the challenge\response mode. that is the point :-) As far as I know, it is not possible for Zope to run in remote user mode and normal mode together (they are mutually exclusive) I think that the solution is to run two Zope instances in a ZEO cluster (on the same machine), one which talks with PCGI (and so is in remote user mode) and one which serves directly the requests (and is not in remote user mode) perhaps someone on the list can give his opinion (note that i am not on the zope-dev list, so cc: any answer) The error gets raised in your NTUserFolder.py in line 79 ( return string.lower(login) ) when login is None. (Anonymous login) I changed it to def _normalize(self, login): normalize a login name. Currently, it is made lowercase if login is None: # modification login = 'Anonymous User' # modification return string.lower(login) This is a very ugly hack, but it works. You normally cannot login directly with Zope if it is running in remote user mode. At least, with your patch, one can browse the site anonymously regards, [EMAIL PROTECTED] -Ursprüngliche Nachricht- Von: Jephte Clain [mailto:[EMAIL PROTECTED]] Gesendet: Freitag, 8. Juni 2001 14:25 An: Roesch, Alexander Betreff: Re: jcNTUserFolder we are using your product jcNTUserFolder in challenge/response mode together with IIS on NT4 with Zope 2.2.2. It works perfect. what version? is it 0.0.8 or 0.1.0? Because of bugs in Zope 2.2.2 we want to migrate to Zope 2.3 and jcNTUserFolder 0.1.0 note that 0.1.1 have been released I managed to set up the the NT User Folder as acl_user folder in the root level. Now I still have the problem that the users don't get recognized by zope. They always get prompted for Username / Password / domain. And even if they apply the correct Username / Pwd / domain they get rejected. Could you give me a tip what is going wrong? I need your answer to above questions. if migrating from 0.0.x to 0.1.x, you have to follow the instructions given on http://www.zope.org/Members/jephte/jcNTUserFolder/installation note: for remote user mode to work with zope 2.3.x, you *must* have the access file. it is not installed by default for Zope 2.3.x regards, [EMAIL PROTECTED] __ Boîte aux lettres - Caramail - http://www.caramail.com
