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Re: [ZC] 1223/ 8 Reject "Problem with meta_type"
by Chris Withers 30 Jul '04

30 Jul '04

Gareth Bult wrote: > > Out here in the real world, in this specific case, apparently it doesn't > make things worse .. I go from not working at all, to working apparently > 100% .. without having to scrap my DB or write code to scan for items > with missing meta_types and create them... In your real world maybe ;-) Where there are hundreds to thousands of hits per second, it starts making a difference... >>*shrugs* I'd personally prefer to make the one line patch in the product >>that's missing a meta type in it's class definition ;-) > > And what about all the pre-existing objects with no meta-type ??? If the meta_type is added as a class variable, as they usually are, all your pre-existing object will have that attribute as soon as you restart Zope. Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk

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Re: [ZC] 1223/ 8 Reject "Problem with meta_type"
by Chris Withers 30 Jul '04

30 Jul '04

Gareth Bult wrote: >>Actually, this should be rejected. A Zope object without a meta_type has some pretty serious issues ;-) > > Interesting statement - not that I disagree .. but my question is - does > a Zope that crashes when it could (with a one-line change) be made not > to crash have *more* serious issues ? > (I guess developers are going to say "no", but I'm a user - I say > "yes" !) your suggested one line change could have implications such as reduced data integrity and other unexpected behaviour. So, I'd say "yes" too, except your one-line change makes things worse ;-) > fyi; Not that I'm saying it's a proper solution or one that should be > implemented, but I've seen no ill effects in 5 months and around 3 > million hits re; the suggested patch. > (which for me is one up on repeated nasty site crashes .. ) *shrugs* I'd personally prefer to make the one line patch in the product that's missing a meta type in it's class definition ;-) Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk

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ZClass to FS Class conversion magic?
by Taylor, Monty 28 Jul '04

28 Jul '04

Hi all, So I'm working a project with a bunch of ZClasses. (It's got a _bunch_ of DTML, too, but that's a whole different story) I'd like to replace the ZClasses with Python Filesystem based classes. The problem comes with the instantiated objects of the ZClasses. I have tried making a fake ZClass, instantiating it, and the replacing the ZClass with a Python class, but I can seem to get the object to associate with the new class. I've used the same class names and meta_type type stuff. Is there a magic __something variable I need to set somewhere, or some other magic I can do to register a class to replace the ZClass. (I would obviously have to delete the ZClass) Any ideas? I don't ever screw with ZClasses, prefering emacs and cvs, so I don't have too much zen with them. Thanks! Monty "Bringing people together to advance their lives." NOTICE: The information contained in this electronic mail transmission is intended by TMP Interactive Inc. d/b/a Monster or one of its subsidiaries for the use of the named individual or entity to which it is addressed and may contain information that is privileged or otherwise confidential. It is not intended for transmission to, or receipt by, any individual or entity other than the named addressee (or a person authorized to deliver it to the named addressee) except as otherwise expressly permitted in this electronic mail transmission. If you have received this electronic transmission in error, please delete it without copying or forwarding it, and notify the sender of the error by reply email or by calling Monster at 1-800-MONSTER.

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svn checkins failing?
by Chris McDonough 28 Jul '04

28 Jul '04

When I attempt to commit any change to the head of the Zope2 repo in SVN, I get the following: svn: Commit failed (details follow): svn: Berkeley DB error while opening 'uuids' table for filesystem /svn/repos/main/db: Cannot allocate memory svn: Your commit message was left in a temporary file: svn: '/home/chrism/software/Trunk/svn-commit.tmp' Is anyone else having problems?

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Log procedure
by Egon 27 Jul '04

27 Jul '04

I have a Zope server behind a proxy server ( http://www.apsis.ch/pound ), in Zope, I am configured zope.conf ( trust-servers and cgi-environment). But in the log file, I can see only the ip of the proxy, when I want to see the client ip. HTTP-FORWARDED-FROM is set. But Zope logs REMOTEADDR in place of FORWARDED-FROM. I think that I may modify any python file in order to log FORWARDED-FROM , but I cannot find the py file that I may modify. Could anybody help me? I want to log the forwarded-from value. Thanks. ______________________________________________ Yahoo! lanza su nueva tecnología de búsquedas ¿te atreves a comparar? http://busquedas.yahoo.es

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Announce: June Zope Bug Day!
by Chris Withers 27 Jul '04

27 Jul '04

Hi All, Another month has scarily quickly passed us by, and so I'm pleased to announce the second monthly bug day, although on much shortner notice this time: What? Zope Bug Day working from http://collector.zope.org/Zope When? Friday 25th June (tomorrow) - from when you wake up until when the day ends! Where? #zope-dev on irc.zope.org Come along and help if you've got a chance! Read this if you want to know how: http://dev.zope.org/CVS/BugDays cheers, Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk

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[Zope Enhancement Proposal] Sanitizing local roles
by Dieter Maurer 27 Jul '04

27 Jul '04

Local roles are "acquired" from ancestors. While this is not bad for e.g. a "Manager" local role, its conceptual usefulness is in great doubt for e.g. the "Owner" role. It is very unclear why an "Owner" of a folder should automatically be an "Owner" of all its content. I therefore propose to make "acquisition" of local roles customizable. I see two potential variants: 1. objects get a boolean flag "__ac_acquire_local_roles__" with default value "True" which allows "acquisition" of all local roles. 2. objects get a dictionary "__ac_acquire_local_roles__" mapping role names to a boolean which allows acquisition for the respective role. Of course, the second variant provides more fine grained control and will require a more complex UI. The change would affect the methods "allowed" and "getRolesInContext". of "AccessControl.User.BasicUser" and would require new methods in "AccessControl.Role.RoleManager" to read and modify the new "__ac_acquire_local_roles__". Moreover, I propose to change the local role management pages. When setting local roles, information about "acquired" local role definitions is very helpful. I therefore propose to display this information on the local role edit page. I even would prefer a much more drastic change for both local role management and permission-role-map management: a compact look only overview mapping roles to users and permission to roles, respectively, with links to a page to edit the association of a single role or permission, respectively. Something like: Role | acquire | locally assigned users| ancestor assigned users ------------------------------------------------------------------------- Owner | no | dieter | admin, dieter ------------------------------------------------------------------------- Manager | yes | dieter | admin ------------------------------------------------------------------------- The "Role" column is a link to a page to edit "acquire" and "locally assigned users" for the respective role. Advantages: * more natural behaviour for roles like "Owner" * access restricted sub-sites would be much easier to implement * more informative management pages Risks: * Classes deriving from "AccessControl.BasicUser" may have overridden "allowed" and "getRolesInContext". Such overridden methods would not interpret "__ac_acquire_local_roles__" until adapted. Fortunately, it is not very likely that these two methods are overridden. * Local roles get a bit more complex. However, explicit "acquisition" control is already used for the permission role mapping. Thus, users could recognize the same concept. * The 2.8/2.9 edition of the Zope Book would need to be adapted. If there is interest, I could implement the changes and provide patches against the Zope SVN version. However, I do not have write permissions to the repository. This means, someone else would need to make the actual checkins. BTW: Almost surely, I will implement the proposed change in our "private" Zope copy and use it in one of our projects. This means, I could provide "production experience" for the change in some months. -- Dieter

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Announce: August Zope Bug Day!
by Chris Withers 27 Jul '04

27 Jul '04

Hi All, July has flown by, and so I'm pleased to announce the third monthly bug day: What? Zope Bug Day working from http://collector.zope.org/Zope When? Friday 30th July - from when you wake up until when the day ends! Where? #zope-dev on irc.zope.org Come along and help if you've got a chance! Read this if you want to know how: http://dev.zope.org/CVS/BugDays cheers, Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk

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Re: [Zope-dev] ERROR(200) ZODB Couldn't load state for... Memory problem?
by Russ Ferriday 26 Jul '04

26 Jul '04

Thanks Chris, looks like I may have been bouncing messages. I did not see your earlier reply. Your comments regarding file locations seem dead on. Sorry for the noise on that topic. I'll try the naming change. I've had to go back to 2.7.1 due an another error, below. (Yes, I did rmpyc on all Products before running this version. Going back to 271 worked fine again. And the problem is repeatable) 2004-07-26T01:57:04 ERROR(200) SiteError Traceback (most recent call last): File "/usr/local/zope/zope/lib/python/ZPublisher/Publish.py", line 101, in publish request, bind=1) File "/usr/local/zope/zope/lib/python/ZPublisher/mapply.py", line 88, in mapply if debug is not None: return debug(object,args,context) File "/usr/local/zope/zope/lib/python/ZPublisher/Publish.py", line 39, in call_object result=apply(object,args) # Type s<cr> to step into published object. File "/usr/local/zope/zope/lib/python/Shared/DC/Scripts/Bindings.py", line 306, in __call__ return self._bindAndExec(args, kw, None) File "/usr/local/zope/zope/lib/python/Shared/DC/Scripts/Bindings.py", line 343, in _bindAndExec return self._exec(bound_data, args, kw) File "/usr/local/zope/instances/prodZope/Products/CMFCore/ FSPageTemplate.py", line 191, in _exec result = self.pt_render(extra_context=bound_names) File "/usr/local/zope/instances/prodZope/Products/CMFCore/ FSPageTemplate.py", line 124, in pt_render result = FSPageTemplate.inheritedAttribute('pt_render')( File "/usr/local/zope/zope/lib/python/Products/PageTemplates/ PageTemplate.py", line 88, in pt_render raise PTRuntimeError, 'Page Template %s has errors.' % self.id PTRuntimeError: Page Template login_form has errors. I'll get back with confirmations once I have more. Thanks again! --r On 26 Jul 2004, at 09:12, Chris McDonough wrote: > Russ, I posted a message today about this at about 2pm with a solution. > > See http://mail.zope.org/pipermail/zope-dev/2004-July/023538.html . > > HTH, > > - C > > > On Mon, 2004-07-26 at 03:42, Russ Ferriday wrote: >> This thread's not over 'til the fat lady sings. >> > > ————————————————————— Russ Ferriday Solution Workshops for Plone (+44) (0) 7789 338868 http://www.solutionworkshops.com

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ERROR(200) ZODB Couldn't load state for... Memory problem?
by Russ Ferriday 26 Jul '04

26 Jul '04

Hi all, On OSX 10.3 (Pahter), Python 2.3.4, Zope 2.7.1, I'm frequently seeing this.. 2004-07-22T14:00:24 ERROR(200) ZODB Couldn't load state for 00000000000016ad Traceback (most recent call last): File "/usr/local/zope/zope271/lib/python/ZODB/Connection.py", line 559, in setstate p, serial = self._storage.load(oid, self._version) File "/usr/local/zope/zope271/lib/python/ZEO/ClientStorage.py", line 755, in load self._cache.store(oid, p, s, v, pv, sv) File "/usr/local/zope/zope271/lib/python/ZEO/ClientCache.py", line 601, in store self._store(oid, p, s, version, pv, sv) File "/usr/local/zope/zope271/lib/python/ZEO/ClientCache.py", line 631, in _store f.seek(self._pos) AttributeError: 'NoneType' object has no attribute 'seek' It's intermittent at first, then back-to-back. Following thread leads me to look for memory shortage. But I'd expect a different message in that case. http://www.mail-archive.com/zope-dev@zope.org/msg15039.html This thread seems to suggest such messages (in different context) can be ignored. But I can't do that. This is a symptom of a bigger problem. http://mail.zope.org/pipermail/zope/2001-August/097300.html Has anyone seen this in these circumstances? --r. ————————————————————— Russ Ferriday Solution Workshops for Plone (+44) (0) 7789 338868 http://www.solutionworkshops.com

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