Re: [Zope-dev] Two visions?
> Or "Zed is the part of Zope that can be used without Zope". Yes, it's always been the "Zed" Object Publishing Environment. Now the "Zed" can get a job :-](I'm neutral regarding the suggestion.) -- jean ___ Zope-Dev maillist - Zope-Dev@zope.org http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Where are all the good docs?
Also have a look at: http://zopewiki.org/ZopeWiki http://zope.org/Members/ZQR/normal (aging but still useful) -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Re: Unexpected Behaviour iterating over catalog search...
Surely the thing returned by a Catalog search should be immutable? Nope, it is "lazy"; immutability would require "realizing" it first, which would be prohibitively expensive in many cases. Yes .. thing is, wrapping with list() or tuple() will therefore also be prohibitive in those cases, so can't be done routinely. In those cases, what would be better? Something like for brain in Catalog(some_index=some_value): # delete the object, and then brain_to_delete = Catalog(unique_index=brain.unique_prop) Catalog.uncatalog_object(brain_to_delete.getPath()) .. can't really think why that would work if Chris's original doesn't, though. -- Jean Jordaan http://www.upfrontsystems.co.za /courses.html<-- Zope/Plone training! /kursusse.html ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Environment for Python Development
Hello. Do any of you know of an IDE(preferably open source) that I can use to develop/debug/test python code in? Thanks. Don't forget Boa Constructor: http://boa-constructor.sourceforge.net/ -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] xron does not work with python 2.2
it seams that the Product XRON does not work with python 2.2. Perhaps you should be thankful .. We tried to use xron a year or so ago, and it bit us repeatedly. We dropped it and use cron to tickle a Zope URL or to call an external method. For those, see: http://mail.zope.org/pipermail/zope/2003-February/131882.html http://article.gmane.org/gmane.comp.web.zope.plone.user/2490 -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Announce: new www.zope.org is LIVE!
Yay :) I'm sure this ushers in a new era of Zope UI respectability ;> So, sorry to start with the quibbles already, but .. Too many pages are way too wide http://collector.zope.org/ZopeOrg/106 This has always bugged me about Plone too. It seems like every second page is way wider than my browser window. This is partly the result of long lines, which is made worse by the fact that the content area is a table cell .. this means that the longest line sets the width of all the text. It would be much better if only the too-long lines extended off the side of the screen, and the other lines wrapped. IMHO this consequence of the table- based layout is a major downer :/ The table on a member's page (eg. http://zope.org/Members/jens/view ) also gets much too wide very easily. I like to bump up the text size to 120% or so for easy reading on my laptop, and on new zope.org I can't, unless I want to scroll horizontally a lot. -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Mailinglists
I fixed all lists this morning. Dunno if this is related, but they're still AWOL from http://mail.zope.org/mailman/listinfo .. (only shows 6 lists now). -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.python.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.python.org/mailman/listinfo/zope-announce http://mail.python.org/mailman/listinfo/zope )
Re: [Zope-dev] Re: TALES idea: tuple unpacking
If DTML used TALES expressions, it would be just as clean as ZPT. With the one caveat that ZPTs are valid XHTML, while DTML methods needn't balance tags and needn't mark empty tags as such (i.e. "", instead of ""). DTML tags can straddle HTML tags in completely non-XML ways: ""; limiting the tools that may work with DTML.. The "MTOWTDI" pseudo-entity &dtml-dict.key; alternate syntax might also count against cleanliness. That said, I agree that using TALES would be a big win. We try to use it wherever we can! (Not only in ZPTs :) j ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Re: TALES idea: tuple unpacking
I only use 2 because it's there :-) Thinking more about it, it occurs to me that python expressions in TALES provide a huge hole in the separation of presentation from logic. Perhaps it's worthwhile for this thread to have a look at http://www.eby-sarna.com/pipermail/transwarp/2003-July/000606.html http://www.eby-sarna.com/pipermail/transwarp/2003-July/000607.html and following to see what Phillip Eby is cooking up. The templates he proposes have only two or three attributes, keeping logic rigorously out of the template. -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Re: TALES idea: tuple unpacking
int:-- Look up an item by index Hate this. Looks like a typecast of some kind, int is way to overused Aesthetically, I also find it ugly. The attractiveness of a *path* expression lies in its resemblance to a *path*. But I realise it's like the weird ++elements in Zope3 paths that I hope never to need to deal with but will have to swallow sometime willy nilly, and that no-one could think of anything better in that case :| -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Re: TALES idea: tuple unpacking
It is absolutely amazing how slippery this stuff is to pin down.
The same ideas keep popping up and then slowly subsiding under
the weight of exceptions, prefixes and caveats.
I kinda suspect the only way is to deliver a specific take on
the whole thing, like Evan did with the current ZPT, and to see
how that pans out, instead of teasing the current ZPT to creep
after features.
That said (he continues blithely), the one bit about the current
one that bugs me is the behaviour of callables in path expressions.
This is the one I like::
tal:define="value here/func/dict-returned-by-func/key"
tal:define="value here/obj/method/returned-dict/key"
tal:define="value here/dict/key/obj-stored-under-key/method"
That's the one with the downer that func can't get parameters.
I'm totally fine with that. For parameters::
tal:define="dict python:here.func('parameter');
value dict/key"
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Re: [Zope-dev] TALES idea: tuple unpacking
Say a method listFilesByUser returns a list of (user, [files]) it'd be nice to
be able to::
tal:repeat="user,files here/listFilesByUser"
or similar. Currently we would have to use a python: expression to manually
unpack the tuple. Kinda yucky.
yeah, or make listFilesByUser return {'username': user, 'files': files} and::
also not ideal. I think the format in your example works well.
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[Zope-dev] registerClass ignoring permissions defined in the class?
Hi all For the second time in a couple of months, I found myself wrestling with security on FSPythonScripts (and eventually thinking hell with it, and just moving the functionality to a class method). Anyway, I found this, which looks like an inconsistency between docs and implementation: In ProductContext.registerClass the docstring says: permissions -- Additional permissions to be registered If not provided, then permissions defined in the class will be registered. However, registerClass only handles permissions that are passed in: if permissions: It doesn't look at permissions defined in the class at all. Am I missing something? The reason I thought this matters is that this works fine in a CMF .metadata file: """ [security] View=1:Anonymous """ but this doesn't: """ [security] Use LDAPService=1:Anonymous """ AccessControl.Role.manage_permission complains: "Invalid Permission: The permission Use LDAPService is invalid." The permission does, however, show up on the ZMI security tab, and if I set it for Anonymous on a parent of the script, the script executes fine. -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] ZCatalog Indexes tab crawl reason confirmed
so... would anyone mind? Well, I've often been interested to note the numbers. It gave me a feeling for which indexes are heavily used. Sure, I could figure this out without looking at this page, but the (lack of) speed hasn't bugged me .. -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: FHS, zopectl, #925, Re: [Zope-dev] 2.7 installation
I think the default Zope install should not have dependencies other than that Python is required and the user has some shell system (bash/sh/MS batchfiles). ... and aap apparently ;) I'm thinking that ZC needs a more capable make replacement. That isn't quite the topic of this thread, but Aap (eg.) would be cool already if it was just used by ZC to manage their checkout/builds, and was available as option for outsiders to use. The releases needn't have a new dependency. It's based on the winning design for software construction tools (ie. "make" replacement) in the Software Carpentry contest Yes, like Roundup :) It's certainly been around for longer than aap :) I'd bet that Bram has been brooding on Aap for a long time, and he certainly has masses of experience managing complex build environments, with Vim compiling on about a million architectures with or without myriads of compilation options, language bindings, GUI toolkits, etc. , and is more stable than 0.14 alpha I note with a grin that up until this month aap was at release 0.150 :) That's the hundred and fiftieth release, ne :) -- Jean Jordaan (using WindowMaker 0.80.2) http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: FHS, zopectl, #925, Re: [Zope-dev] 2.7 installation
It *sounds* like it's being suggested that we replace "make" That's correct, though Aap can usefully do much more than make, such as fetching remote sources and managing CVS checkouts/-ins. Has anyone used SCons? http://www.scons.org/ Well, they feature neck-and-neck in July, so if someone (or someone someone knows) is around there, they could compare and ask pointed questions: 2003 May 15: BOF session at O'Reilly conference The proposal to organize a BOF session on A-A-P has been accepted. It will take place on Thursday evening July 10, from 8 to 9 pm. This is directly after the BOF session on SCons, in the same room. A nice occasion for people to talk about modern building tools! More information about the conference here. (links at http://www.a-a-p.org/index.html ) -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: FHS, zopectl, #925, Re: [Zope-dev] 2.7 installation
There's only one possible way! A-A-P! (A good match for Ape, Shane ;) It's a replacement for make by Bram Moolenaar, the author of Vim, and it looks like it does a lot of things Right. http://www.a-a-p.org/index.html In fact, Aap would fit very well with Gentoo. Gentoo's emerge system takes care of package metadata, fetching the source, and unpacking it. Once it's unpacked, it gets compiled, usually with the standard .configure; make; make install steps. Individual packages could use aap instead of make. Actually, Aap also takes care of the fetching phase. Then Gentoo installs the compiled package, keeping track of what files went where, so that they can be uninstalled, and queried for what package they belong to. This Aap doesn't do, AFAIK. -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] The Return of the Son of Session Errors, redux
Hi Chris I just checked in a change that disables the "low conflict connection" feature of temporary storage. We've patched, and so far it looks good. We've seen one KeyError, but that was after leaving the session to expire. Will 2.6.2 get the patch? Thanks! -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] The Return of the Son of Session Errors, redux
Dieter Maurer wrote: What have session errors to do with XMLWidgets? XMLWidgets stores the state of the document that you're editing in the session. We don't want to hack and fork XMLWidgets, so we're not in a position to change the way it uses the session. -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] The Return of the Son of Session Errors, redux
Our errors are triggered in the bowels of XMLWidgets, so I don't think 1) is a simple solution, and we don't want to do 2) if we Err, swap 1) and 2) .. that'll teach me to use gratuitous lists :/ -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
[Zope-dev] The Return of the Son of Session Errors, redux
Hi all We're being chowed heavily by the KeyError discussed from the 13th to the 18th March in this thread: http://mail.zope.org/pipermail/zope-dev/2003-March/019081.html Has there been any definite resolution of that issue? We're running Zope 2.6.1, has the issue gone away on Zope 2.6.2? In that thread a patch to TemporaryFolder.py was suggested to deal with ReadConflictErrors, but we don't get those. The suggestions regarding the KeyErrors was: 1) to move to a different storage, such as BerkeleyStorage or DirectoryStorage, for the session data, or 2) to "touch the objects that are likely to change early in the transaction." (Toby Dickenson). Our errors are triggered in the bowels of XMLWidgets, so I don't think 1) is a simple solution, and we don't want to do 2) if we can avoid it. Have specific alternative session storages been found to be free of this issue? The initial report has been logged as a 'critical' error as http://collector.zope.org/Zope/848 but it's still Pending. -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Trying to understand the nuances of a VerboseSecurityreport ..
Notice that the closing square bracket is not present, and something printed three asterisks. Myeah, 'grep -r "\*\*\*" *' in the Zope 2.5.1 source and instance Products directories doesn't turn up any AttributeError line .. > I don't know what code would do that... perhaps Python 1.5.2? It's running: python2.1 -V Python 2.1.3 [EMAIL PROTECTED] creme.jean-ZopeTestCase-branch $ cat start #! /bin/sh PYTHON=/usr/bin/python2.1 ZOPE_BASE=/usr/local/zope/2-5-1 ZOPE_SECURITY_POLICY=PYTHON reldir=`dirname $0` INSTANCE_HOME=`cd $reldir; pwd` export INSTANCE_HOME ZOPE_SECURITY_POLICY exec $PYTHON $ZOPE_BASE/z2.py \ -D -X -w 17085 -W 17805 \ -u jean >> $INSTANCE_HOME/var/z2.log 2>&1 & -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Trying to understand the nuances of a VerboseSecurityreport ..
In case it's relevant, the Folder at the bottom of the aq_chain
for license is a ZUnit temporary folder:
(116)doRemindersForLicense()
(Pdb) license.aq_chain
[, ,
, , ***
AttributeError: testsRun
(Pdb) license.aq_chain[3].__dict__
{'title': '', 'id':
'00022_Products.CremeTests.LicenseTests.LicenseTests.testAddFekoDongleLicense',
'__ac_local_roles__': {'jean': ['Owner']}}
The two Specialists are just part of our app:
/Licenses/LicenseDocs
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Re: [Zope-dev] Trying to understand the nuances of a VerboseSecurityreport ..
Hi Shane, Toby ..
Set Tardis for
http://mail.zope.org/pipermail/zope-dev/2003-February/018837.html
All I can think is that that object 'basic' lacks context for
some reason (i.e. lacks an acquisition wrapper?). I can't think
why it lacks context .. we use that idiom all over the app, and
don't normally get any problems.
That's all I can think of also. Try examining basic.aq_chain.
It looks like bad interaction with ZUnit:
(Pdb) license.propertysheets.basic
(Pdb) license.propertysheets.basic.aq_chain
[, , , , , , *** AttributeError: testsRun
'testsRun' is an attribute that is set in ZUnit.TestMonitor
I'm poking about in ZUnit now .. benightedly ..
Here is the code context in which the above obtains::
# Create a new reminder and reference it from the License
reminder = container.addInstance(no_redir=1)
import pdb; pdb.set_trace() #DBG We are here. This fails:
license.propertysheets.basic.manage_changeProperties(
{reminder_id_property: reminder.id})
That is in a Script (Python). The 'license' instance was
created in the calling Script (Python), and passed in as parameter.
Calling sequence:
addLicenses (called from a ZUnitExternal test suite) ->
addLicense (creates license instance) ->
doRemindersForLicense(license) (creates reminder instance;
calls license.propertysheets.basic.manage_changeProperties)
Perhaps interestingly, reminder and AUTHENTICATED_USER seem to be
OK, and license and context do not:
(Pdb) reminder.aq_chain
[, ,
, ]
(Pdb) license.aq_chain
[, ,
, , ***
AttributeError: testsRun
(Pdb) context.aq_chain
[, ,
, , ***
AttributeError: testsRun
(Pdb) context.REQUEST.AUTHENTICATED_USER.aq_chain
[jean, , , ]
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Re: [Zope-dev] Index errors revisited: KeywordIndex unindex_objectcould not remove documentId -883140122 from index ComponentVersions. Thisshould not happen.
Yo Chris > If not, please file a collector issue when you have a patch and I'll > make sure it's applied on the 2.6 branch as well as the HEAD. http://collector.zope.org/Zope/828 -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Index errors revisited: KeywordIndex unindex_objectcould not remove documentId -883140122 from index ComponentVersions. Thisshould not happen.
Dieter: The reason is very simple: Indeed! You make it clear as day :) The fix: fix "KeywordIndex" such that is removes duplicates from "_unindex[documentId]". We're looking to see if we can fix it for us .. -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
[Zope-dev] Index errors revisited: KeywordIndex unindex_object could not removedocumentId -883140122 from index ComponentVersions. This should not happen.
Hi all We've posted about this before, but never managed to pin down the issue nicely. It doesn't interfere with our application, as far as we could tell, so we've let it slide. Here's another attempt at formulating the problem. We run a script which iterates over 719 instances. For each instance, either one or two instances are created and edited. The script completes, logging all the way: 2003-02-27T09:43:44 INFO(0) MyDebugLog recreate_reminders> INFO: creating reminders for License_99 Then, Zope starts spitting out 657 errors like the following: 2003-02-27T09:43:49 ERROR(200) KeywordIndex unindex_object could not remove documentId -883140119 from index ComponentVersions. This should not happen. Traceback (innermost last): File /usr/local/zope/2-5-1/lib/python/Products/PluginIndexes/common/UnIndex.py, line 168, in removeForwardIndexEntry (Object: ComponentVersions) KeyError: -883140119 Most of these errors are identical. There are 172 unique errors, the rest are all retries. The 172 keys are not in the catalog. The only indexes involved are ComponentVersions and NodeNames, both 'lines' properties of . Does anyone know how to cause this, so that I can stop doing it? I'm trying to narrow it down again .. (Zope 2.5.1 (source release, python 2.1, linux2), python 2.1.3, linux2) -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] How to trigger Zope externally (mail)
I can't remember where I cribbed from ;] Remembered: http://www.zope.org/Members/phd/cron-zope/pack-db_fs/view -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] How to trigger Zope externally (mail)
Andy McKay wrote:
Or just write a simple HTTP post using Python. Have a look around for
the MailIn Product, or CMFMailIn which does this very simply and works
fine for low volume traffic (eg: fine listening to [EMAIL PROTECTED]).
Here's a very simple example that we're using to glue cron to
Zope. It does a GET, but you could just as easily make it do a POST.
I can't remember where I cribbed from ;]
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#!/usr/bin/python
username="user"
password="secret" # this is only example, of course
zope="http://localhost:17081";
import sys, urllib
class NoGUI_URLopener(urllib.FancyURLopener):
def __init__(self, username, password, *args):
apply(urllib.FancyURLopener.__init__, (self,) + args)
self.username = username
self.password = password
self.asked = 0
def prompt_user_passwd(self, host, realm):
if self.asked:
raise "Unauthorised"
else:
self.asked = 1
return self.username, self.password
urllib._urlopener = NoGUI_URLopener(username, password)
urllib.urlretrieve("%s/cron_hook" % zope )
[Zope-dev] ZLDAP and replication
Hi Jeffrey & all I'd just like to check something .. When running LDAP in a master/slave setup, if a client of the slave tries to update the directory, the slave returns a referral (pointing at the master) to the client, and the client has to retry the update at the master. That's steps 3 and 4 in this diagram: http://www.openldap.org/doc/admin20/guide.html#Replicated%20Directory%20Service It doesn't look like ZLDAPConnection does this, or am I being obtuse? -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Offtopic: it's vs. its
> I'm sorry to bring forward the topic of grammar, I, for one, think that proper grammar in checkins, source code and wikis is wonderful, and beneficial in the same way as syntax highlighting in editors. While reading Zope source in the past, I have, a couple of times, made diffs fixing niggly grammatical issues (I can be compulsive that way .. ) but have always refrained from submitting them as issues, because I was afraid they'd be considered noise. Is this a justified fear? -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Re: RDF Musings and TinyTables
Just a link: > - RDF is hard to read, http://brownsauce.sourceforge.net/ -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
[Zope-dev] Trying to understand the nuances of a VerboseSecurity report ..
Hi all (and Shane in particular :)
I'm triggering this error:
Unauthorized: The owner of the executing script is defined
outside the context of the object being accessed. Access to
'basic' of (License_PropertySheetsClass instance at e204528)
denied. Access requires Access_contents_information_Permission,
granted to the following roles: ['Administrator', 'Manager',
'Owner', 'Supporter']. The executing script is (PythonScript
instance at e208eb8), owned by jean.
I can't understand why .. there is exactly one acl_users in this
Zope instance, in the root, where user 'jean' is defined. The
whole application normally works fine. Currently, the error is
being triggered by a ZUnit unit test. All the other unit tests
(adding, editing and deleting instances of various kinds) works
fine. The code where the error is occuring is this:
"""
# Create a new License instance and grab its propertysheet
license_id = context.ObjectCounters.newID('License')
new_license = container.newItem(license_id)
new_license_propertysheet = new_license.propertysheets.basic
"""
All I can think is that that object 'basic' lacks context for
some reason (i.e. lacks an acquisition wrapper?). I can't think
why it lacks context .. we use that idiom all over the app, and
don't normally get any problems.
I'm trying to see if reading VerboseSecurity's source will
help, but all I've found so far is a suspect double negation:
"""
def userHasRolesButNotInContext(user, object, object_roles):
'''Returns 1 if the user has any of the listed roles but
is not defined in a context which is not an ancestor of object.
'''
"""
Surely either one of those 'not's should go?
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[Zope-dev] ExternalEditor losing its lock?
Hi all A couple of times now, I've noticed this: - I open a Python Script using ExternalEditor. A GET is issued, My editor starts up, and a LOCK gets set. - Now I view and execute the script (more GETs) while editing and saving in my editor (PUTs get issued). - That's fine. But then the lock goes away, and I successfully edit the script in the ZMI: a POST goes thru. But there hasn't been any UNLOCK yet. This shouldn't happen, right? (Zope 2.5.1 (source release, python 2.1, linux2), python 2.1.3, linux2) Excerpt from Z2.log: 192.168.1.5 - jean [03/Feb/2003:18:25:38 +0200] "GET /externalEdit_/test HTTP/1.1" 200 1088 "http://blommie:17081/manage_main"; "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20021212" 192.168.1.5 - jean [03/Feb/2003:18:25:40 +0200] "LOCK /test HTTP/1.1" 200 789 "" "Zope External Editor/0.6" 192.168.1.5 - jean [03/Feb/2003:18:25:56 +0200] "PUT /test HTTP/1.1" 204 251 "" "Zope External Editor/0.6" 192.168.1.5 - jean [03/Feb/2003:18:25:58 +0200] "GET /test/manage_workspace HTTP/1.1" 302 467 "http://blommie:17081/manage_main"; "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20021212" 192.168.1.5 - jean [04/Feb/2003:10:32:25 +0200] "PUT /test HTTP/1.1" 204 251 "" "Zope External Editor/0.6" 192.168.1.5 - jean [04/Feb/2003:10:46:11 +0200] "POST /test HTTP/1.1" 200 12877 "http://blommie:17081/test/ZPythonScriptHTML_editForm"; "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20021212" 192.168.1.5 - jean [04/Feb/2003:10:46:11 +0200] "GET /manage_page_style.css HTTP/1.1" 200 3014 "http://blommie:17081/test"; "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20021212" 192.168.1.5 - jean [04/Feb/2003:10:46:16 +0200] "PUT /test HTTP/1.1" 204 251 "" "Zope External Editor/0.6" 192.168.1.5 - jean [04/Feb/2003:10:46:18 +0200] "GET /test/manage_workspace HTTP/1.1" 302 467 "http://blommie:17081/test"; "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20021212" -- Jean Jordaan http://www.upfrontsystems.co.za ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
[Zope-dev] How about some details about SGI's Supportfolio?
A couple of Zope Announce's ago, our attention was drawn to this press release: http://www.zope.com/News/PressReleases/SGI-2003-01-22 I was wondering if there are any stories behind that --- what technologies were used, what problems there were, how many people were involved in building it, what SGI's degree of participation was in the design, whether SGI now has inhouse Zope expertise with the ability to extend Supportfolio .. any interesting bits that the community can learn from. Actually, I'm not interested in Supportfolio exclusively --- I'd appreciate any stories about significant Zope implementations, if anyone has time to tell them, and is not bound by confidentiality issues. -- Jean Jordaan http://www.upfrontsystems.co.za ___ 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] http://cvs.zope.org/Products/Scheduler vs Xron forcron-like functionality. Advice?
> From the code it doesn't seem to do any strange things, but I would > like to know if anybody has experience of using it in a production > environment, We have seen the following happen a couple of times: we have Reminders, subclassed from XronDTMLMethod. When a Reminder triggers, it sends email (using MailHost). When this fails, Xron goes into a spin, the Reminder retriggering forever, bloating Data.fs with a Gb or more overnight. We've started looking at the code a couple of times, but everything looked fine .. -- Jean Jordaan Upfront Systems http://www.upfrontsystems.co.za ___ 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] KeywordIndex errors: This should not happen.
> It would be fine if we could get a reproducable testcase > for this problem. Absolutely. When the error we see occurs, the RID that is looked for has already gone missing. It looks like the real error happens silently sometime before, and not in all cases: the majority of the instances of the affected class are cataloged OK. -- Jean Jordaan Upfront Systems http://www.upfrontsystems.co.za ___ 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] KeywordIndex errors: This should not happen.
>> Have you tried it in 2.6? > > Yeah, this'd be my suggestion having suffered more terminally from > exactly these bugs :-S Hmm! That's interesting. I was worried that we might be causing it by tickling the Catalog the wrong way .. Did you ever get to the bottom of the bugs? Do they have collector issues, perhaps? -- Jean Jordaan Upfront Systems http://www.upfrontsystems.co.za ___ 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] KeywordIndex errors: This should not happen.
> If you feel this is a bug, you should file a collector issue for it. We don't have a deep enough understanding of the Catalog to diagnose :/ We're not sure if it's a Catalog issue, or something we're doing wrong; i.e. we don't know how the Catalog gets into that state. -- Jean Jordaan Upfront Systems http://www.upfrontsystems.co.za ___ 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] KeywordIndex errors: This should not happen.
Hi all
Our app has been hitting these errors for months:
2002-09-30T11:06:27 ERROR(200) KeywordIndex unindex_object could not remove
documentId -444153566 from index ComponentVersions. This should not happen.
Traceback (innermost last):
File
/usr/local/zope/2-5-1/lib/python/Products/PluginIndexes/common/UnIndex.py, line
168, in removeForwardIndexEntry
(Object: ComponentVersions)
KeyError: -444153566
Here is the relevant piece Zope code::
def removeForwardIndexEntry(self, entry, documentId):
"""Take the entry provided and remove any reference to documentId
in its entry in the index."""
global _marker
indexRow = self._index.get(entry, _marker)
if indexRow is not _marker:
try:
indexRow.remove(documentId)
if not indexRow:
del self._index[entry]
try: self.__len__.change(-1)
except AttributeError: pass # pre-BTrees-module instance
except AttributeError:
# index row is an int
del self._index[entry]
try: self.__len__.change(-1)
except AttributeError: pass # pre-BTrees-module instance
except:
import pdb; pdb.set_trace() #DBG
I inserted that 'set_trace' just before the error is logged. At this
point, the app state looks like this::
(Pdb) self
(Pdb) p self.id
'ComponentVersions'
(Pdb) entry
'44.131'
(Pdb) p indexRow
(Pdb) len(indexRow.keys())
566
(Pdb) indexRow.remove(documentId)
*** KeyError: -444153566
(Pdb) [self._index.keys()[n] for n in range(0,69)]
['', ' 2.13', '1', '1.14', '1.22', '1.25', '1.3', '1.6', '1.8.7',
'1.9.8', '17.9', '2.0.6', '2.1', '2.15', '2.2.1', '2.2.3m', '2.2.7',
'2.2.7m', '2.3.4m', '2.4', '2.4.2m', '2.4.3m', '2.4.4m', '2.4.5',
'2.5', '2.6.6m', '2.7.7m', '2.8.5m', '2.8.6m', '2.8.7m', '2.9',
'20.13-37', '22.13-42', '22.42-47', '22.5-42', '24.12-49',
'24.13-49', '24.19-49', '4.4', '4.9', '40.54e', '41.184', '42.95',
'43.11', '43.96', '43.96 ', '44.120', '44.131', '45.11', '7.3',
'7.7', '8.0', '8.1', '8.2', '8.4', '8.4.1', '8.5.9', '8.7.2m',
'8.7.6m', '8.8.9m', '8.9.6m', '8.9.7m', '9.0', '9.12', '9.2', '9.3',
'9.4 ', '9.8', 'x']
(Pdb) [indexRow.keys()[n] for n in range(0, len(indexRow.keys()))]
[-1948802264, -1018656130, -444153568, -111852827, -32258423,
-32258421, -32258398, -32258397, -32258396, 226891955, (and so on)
(Pdb) catalog = self.restrictedTraverse('Catalog')
(Pdb) catalog.getpath(-444153566)
'/Licenses/LicenseDocs/License_377'
(Pdb) catalog.getIndexDataForRID(-444153566)['ComponentVersions']
['2.4', '8.9.7m', '44.131', '44.131', '2.4.3m', '4.9', '9.12',
'24.13-49', '1.25', '2.15', '9.3', '2.8.6m']
Rephrasing that, I'd say: we're trying to remove the RID -444153566
from the list returned by: indexRow.keys()['44.131']
That RID is absent from that list, which raises a KeyError that
"should not happen". There *is* an entry in the Catalog for that RID,
which *has* '44.131' in the list under the 'ComponentVersions' key in
the dict returned by getIndexDataForRID.
Did the RID get removed from the KeywordIndex list of RIDs prematurely?
Or did it never get inserted? Can anyone shed any enlightenment? Where
else should I be looking?
--
Jean Jordaan
Upfront Systems http://www.upfrontsystems.co.za
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Re: [Zope-dev] In 'unindex_object': path is an OOSet, not a string
Hi Andreas > please submit a collector issue Here you go http://collector.zope.org/Zope/594 > and if possible add a small unittest that reproduces the problem. At the moment I don't know how to bring this about .. :/ I'll keep looking for a small reproducible case. -- Jean Jordaan Upfront Systems http://www.upfrontsystems.co.za ___ 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] In 'unindex_object': path is an OOSet, not a string
Hi all
I'm getting an error when calling 'unindex_object'::
Error Type: AttributeError
Error Value: split
File
/usr/local/zope/2-5-1/lib/python/Products/PluginIndexes/PathIndex/PathIndex.py,
line 151, in unindex_object
(Object: path)
From
.../zope/2-5-1/lib/python/Products/PluginIndexes/PathIndex/PathIndex.py
::
def unindex_object(self,documentId):
""" hook for (Z)Catalog """
if not self._unindex.has_key(documentId):
return
path = self._unindex[documentId]
comps = path.split('/')
At the point when 'comps = path.split('/')' is called, the value of
'path' is: OOSet([('Reminders', 0)])
This does not look as though it was ever supposed to happen.
--
Jean Jordaan
Upfront Systems http://www.upfrontsystems.co.za
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[Zope-dev] Is the aliasing of 'hasRole' correct?
In AccessControl/User.py::
def hasRole(self, *args, **kw):
"""hasRole is an alias for 'allowed' and has been deprecated.
Code still using this method should convert to either 'has_role' or
'allowed', depending on the intended behaviour.
"""
import warnings
warnings.warn('BasicUser.hasRole is deprecated, please use '
'BasicUser.allowed instead; hasRole was an alias for allowed, but '
'you may have ment to use has_role.', DeprecationWarning)
self.allowed(*args, **kw)
Shouldn't that be::
return self.allowed(*args, **kw)
?
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Re: [Zope-dev] find unused objects: hopefully the last misunderstanding...
[EMAIL PROTECTED] wrote:
> I have lots of scripts, dtml methods etc. everywhere which are
> perfectly well-known to the ZODB, nothing wrong with that, but which
> are simply not used by me anymore. No usage from other scripts nor
> methods nor documents. And these buggers I'd like to find.
They're impossible to find :)) Take for example the 'index_html' of
a folder: nothing else in my Zope app refers to it. But whenever
someone browses to http://my.zopeserver.com/folder they see that
'index_html'. No automatic method can guess what objects have become
irrelevant.
If you want to find everything that isn't refered to by another Zope
object, you could use 'sitecopy' to make a filesystem copy of everything
in your ZODB, 'ls -R' to get a list of filenames, and
'grep -r filename *' for each filename in the list. If the grep returns
nothing, nothing refers to that object.
You could do the same kind of thing ('ls -R' and 'grep') from the Zope
Management Interface using Jerome Alet's zshell.
--
Jean Jordaan
Upfront Systems http://www.upfrontsystems.co.za
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[Zope-dev] OT: folding editors
> > # {{{ ... #}}} crutches ;^)
>
> I use a folding editor (jed) and these are the folding marks.
Use Vim, it folds based on indentation (or anything else you care to
teach it)! ;>
--
Jean Jordaan
Upfront Systems http://www.upfrontsystems.co.za
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RE: [Zope-dev] Marshalling of records in REQUEST.form
Hi Dieter
Roughly, I do this:
FSSession.set('query_form', REQUEST.form)
...
context.log('query_form: %s'%FSSession(query_form))
where the 'log' external method is:
import zLOG
def log(message,summary='',severity=0):
zLOG.LOG('MyDebugLog',severity,summary,message)
The output I quoted in the previous message appears in the logfile. My
Zope is 2.4.3
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[Zope-dev] Marshalling of records in REQUEST.form
Hi all
I've just noticed this. In my form I have, for example:
When I log this after submission, I see:
{'HostType': ['Sequential'], 'properties_to_show': ContactPerson:
['ContactName', 'DirectEmail'], Customer: ['CustomerName',
'CustomerStatus']}
In other words, not a valid dictionary. As a valid dictionary, that
would be:
{'HostType': ['Sequential'], 'properties_to_show': {'ContactPerson':
['ContactName', 'DirectEmail'], 'Customer': ['CustomerName',
'CustomerStatus']}}
Is a bug or a feature? Is the reason for the representation the fact
that 'properties_to_show' is a record, and not a dictionary?
--
Jean Jordaan
Upfront Systems http://www.upfrontsystems.co.za
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[Zope-dev] Required final newline in Script (Python) in Zope 2.4.3
Hi people I'm moving an app to Zope 2.4.3, and one thing I've discovered is that methods that don't end with a final newline are invalid:: Script line 13 REQUEST.RESPONSE.redirect(url) ^ SyntaxError: invalid syntax If I go press return after the ), everything is fine. Is this a feature? An inevitability? Is it Good For Me? Regards, Jean Jordaan ___ 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] Don't try to index URL (or any other REQUEST property)
Hi all Turns out that one major cause of my ZCatalog hassles was that I had an index called 'URL'. That is, my ZClass had a property called URL, and I was indexing on this. It makes everything in the ZCatalog vanish. "No objects in Catalog". Deleting this index makes everything re-appear again! :) It seems that having indexes with names that appear in the REQUEST object is a definite no-no. Regards, Jean ___ 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] ZCatalog becoming empty when using "Update" in conjunction with ZPatterns
Hi all
I had a ZCatalog with about 3500 DataSkin instances indexed. Then
I started to index instances of a regular ZClass as well. Then I
added another index, to catalog an additional property of this
ZClass, and hit "Update Catalog".
When Zope returned from updating, there were no records in the
Catalog, though the Vocabulary was intact. I see that I cannot
search for the DataSkin metatypes using the "Find Objects"
ZCatalog tab: they don't show up in the "Find objects of type"
field. So perhaps this is why updating failed.
However, now the Catalog is not accepting any entries. I originally
did the cataloging using this kind of loop on all the classes I
wanted indexed::
ids = container.Roundup.Issues.defaultRack.getPersistentItemIDs()
for id in ids:
object = container.Roundup.Issues.defaultRack.getItem(id)
Catalog.catalog_object( object
, string.join( object.getPhysicalPath()
, '/'))
When I try to run that again, I still get "There are no objects in
the Catalog." upon return. When I run it using a newly created catalog
('testCatalog') instead, it works fine.
Could anyone perhaps explain what's happening here?
Regards,
Jean
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RE: [Zope-dev] ZMailIn patch (index 'date' as DateTime object)
Hi Steve > Jean Jordaan wrote: > > > But it's still a string, and can't be used in comparisons > > with DateTimes. Why not just use 'datetime', also sortable? > > DateTime objects are huge. Hmm, OK, I'll keep that in mind .. For sorting my mails, though, I'll stick with the DateTimes. It would be cool if ZMailIn was more flexible as to which catalog it uses and what properties are indexed, without requiring one to hack the source .. I'll see if I can think of a way to make it so. Thanks for the answer, Jean ___ 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] ZMailIn patch (index 'date' as DateTime object)
Hi Andy & all
There I was, trying to select last week's mail messages from
the ZMailInCatalog, when I realized that the 'date' index was
a simple string.
Here's a patch, adding a property 'datetime', which can be
used as an index of type DateTime.
Anything I'm missing here? In particular, I'm not sure I
understand what 'sortableDate' is meant for. It's a string
like this::
str('%04d%02d%02d%02d%02d%02d' % (dateTuple[0],dateTuple[1],
dateTuple[2],dateTuple[3],dateTuple[4],dateTuple[5]))
But it's still a string, and can't be used in comparisons
with DateTimes. Why not just use 'datetime', also sortable?
Regards,
Jean Jordaan
[jean@blommie ZMailIn]$ diff -u ./ZMailMessage.py ./ZMailMessage_hacked.py
--- ./ZMailMessage.py Tue Mar 6 12:33:03 2001
+++ ./ZMailMessage_hacked.pyFri Nov 9 11:42:32 2001
@@ -61,6 +61,9 @@
self.subject = subject
self.date = date
self.sortableDate = self._convertToSortableDate(date)
+# njj: index the date as a date.
+import DateTime
+self.datetime = DateTime.DateTime(date)
self.to = to
self.sender = sender
self.replyto = replyto
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[Zope-dev] RE: Component Architecture / A modest proposal: Replace medusa with Twisted
Hi all I don't know if you're all familiar with this already, but reading about Twisted didn't immediately bring to mind Medusa, but rather certain aspects (specifically, *aspects*) of TransWarp, and of the Component Architecture (interfaces). I'm including a bite from http://twistedmatrix.com/page.epy/twistedphil.html Interesting? Regards, Jean Adverb Oriented Twisted is "adverb oriented", which takes this one step further. Using inheritance and a simple naming convention, Twisted classes indicate what sort of events they are responding to. This allows for conveniently extensible protocols along defined "vectors" for extension. Let's say you wanted an object to be both a Twisted Reality player, and also an object accessible through Twisted PerspectiveBroker. You could define a class that looked like the following:: class RemotePlayer(reality.player.Player, spread.pb.Referenced): def ability_kill(self, sentence): #kills another player foo() def remote_killPlayer(self): #remote callable method. bar() Reality objects can have abilities, which you define by making a method prefixed with ability_. pb objects have remotely callable methods, which you define by making methods that begin with remote_; so this is effectively the same as a class, a snippet from the configuration file for a multi-user dungeon, and a remote interface definition file; the three of which are normally defined in different languages. Using "adverb orientation" and some simple python features, we can avoid the need for macros or complex parsing to achieve this effect. ___ 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 )
