January 2005 - Zope - Zope lists

[ANN] Zope 2.7.4 RC 2 released
by Andreas Jung 07 Jan '05

07 Jan '05

Dear Zope Community, on behalf of Zope Corporation and all Zope 2 developers and contributors I am pleased to announce the release of Zope 2.7.4 RC2. This release is a maintenance release and fixes a lot of bugs (too much to mention them all here). Zope 2.7.4 RC 2 can be downloaded from http://www.zope.org/Products/Zope/2.7.4rc2 The release notes can be found at http://www.zope.org/Products/Zope/2.7.4rc2/CHANGES.txt For informations on using Python 2.4 with Zope 2.7: see doc/INSTALL.txt Andreas Jung

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groupware (like yahoo groups) for zope / plone?
by Tariq Rashid 07 Jan '05

07 Jan '05

hi - i have been searching the websites and google and the zope/plone product pages for a "product" which will work like a groupware/colloration system - much like Yahoo Groups. features desired include: * email and list messaging * filestore for multi-type documents (eg pdfs) * shared calandars / meeting i have pnly recently beocme familiar with zope and plone and have a site up and running but which is "presentation only" for the pubnlic - a groupware system would be much more interactive ... i know i can install things like PloneMail or similar ... but i don't know / want to program the underlying mechanisms to propagte meeting invites etc etc ... the CPS website is not very open - i can't see a list of features or screenshots or a demo site. does anyone know if something like this exists? i am keen on a zope/plone solution because it would keep things simple and reduce the dependence on multiple platforms... i want to stick with an OS-independent zope/plone .. benefit from the zope scalable middleware and have simply replication/backup options that zope/plone gives me (data.fs?) thanks tariq

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AttributeError when attempting to view a a user in acl_users
by Dane Jensen 07 Jan '05

07 Jan '05

I am trying to move a site from Zope 2.6.1 on Linux to Zope 2.7.3 on Mac OS X Server and have run into a very bizarre problem. Whenever I attempt to view a user in any acl_user folder on the XServe I get an AttributeError with 'name' being the attribute causing the error. Additionally, it does not appear that the acl_users from the site I moved is being used by Zope at all. Users that could log in on the old server are unable to do so on the new one. Here is the entry in error_log: Time 2005/01/06 11:31:53.891 US/Pacific User Name (User Id) Dane Jensen (Dane Jensen) Request URL http://portland.econw.com:8080/acl_users/manage_users Exception Type AttributeError Exception Value name Traceback (innermost last): * Module ZPublisher.Publish, line 101, in publish * Module ZPublisher.mapply, line 88, in mapply * Module ZPublisher.Publish, line 39, in call_object * Module AccessControl.User, line 939, in manage_users * Module Shared.DC.Scripts.Bindings, line 306, in __call__ * Module Shared.DC.Scripts.Bindings, line 343, in _bindAndExec * Module App.special_dtml, line 175, in _exec * Module DocumentTemplate.DT_Util, line 198, in eval __traceback_info__: user * Module <string>, line 0, in ? AttributeError: name The XServe is running Zope 2.7.3-0 under Python 2.3.4 on the latest version of OS X Server 10.3. I'm stumped. Any thoughts? Thanks, -Dane Jensen

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Zope 2.7.3 + Apelib 1.0 - Intermittent data loss in acl_users obj
by Chris Kratz 07 Jan '05

07 Jan '05

Hello all, We've been using Apelib with Zope 2.7.3 for several weeks on a production site. We've been having problems with password changes disapearing intermittently from one day to the next, and whole user accounts being lost periodically. Up until today, we thought it was a bug in our own code. After being able to reproduce the problem outside of our code (using the zmi), we started looking at Zope and Apelib. We have come to the conclusion that a standard acl_users folder is not always correctly persisted when using apelib. Whether or not we are right, the following is how we understand things to be working at this point as well as an ugly hack that seems to fix the problem. We are using the file system persistence method of apelib for our test bed. Using the file system persistence and grep, it is a very simple procedure to add a user, change a password through the zope zmi and verify that the changes to acl_users were persisted by inspecting the file on the file system. There is no pattern, but almost always after several changes to a password or adding several users, the changes stopped being persisted to the file. Stopping and starting zope at any point from then on loses those user accounts or password changes that were done after the persistence stopped happening. We verified that the objects are correctly changed in memory, because subsequent use returns the modified data. Also, updating the properties on an acl_users folder (going to Properties tab and clicking Save changes) causes all changes to be written out including password changes and user account additions and removals. We are no experts on this code, but it appears that the serializing code in apelib only is inspecting the _p_changed flag on the user folder itself and not on the individual user objects persisted within. In a standard zodb, it appears that every user object is persisted separately. So, a change to the user object only marks that user object as changed, not acl_users. But in apelib, the acl_users folder is persisted as a whole with all user objects as the contents. With a standard ZODB, any updates to user objects are persisted at the user object level. The same thing appears to be happening with apelib except that it appears that apelib when persisting objects only examines the acl_users folder and none of the user objects for changes. It may be a red herring, but by adding self._p_changed=1 to _doAddUser, _doChangeUser and _doDelUsers in class UserFolder, we were no longer able to break it (ie changes were always written to file). Since apelib treats a user folder and all it's user objects as a single entity on the file system, this seems to address the problem. What's even more troubling is mixing this issue with multiple threads which caused all kinds of authentication errors when creating new accounts. We are wondering if anyone else has run into a simliar issue, and/or whether there is a better way to solve this then to modify User.py. It seems like the better approach would be to modify apelib, but we haven't been successfull up till now. -Chris

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Zope.org Doc team needs some help
by Mark Pratt 07 Jan '05

07 Jan '05

Hi, Morten Peterson and I have been working on a new and improved documentation section for Zope.org At this point we need one developer to help us create two very simple link items for Zope.org users. These are for articles and books that are published about Zope. Please go here to read the pdf spec of whats required: http://zope.org/Members/beehive/DocStuff/articlebook.pdf/file_view Cheers, Mark

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calling zpt from a script with options
by Haim Ashkenazi 06 Jan '05

06 Jan '05

Hi forgive me if it's trivial, but I'm a complete zope newbie.... I read in the zope book that if I want to call zpt from a script (in my case, to render errors in a form) I do something like this: -- script: pt = context.body_content s = pt(zerror="This is an error") return s zpt: <i tal:content="options/zerror | default">error</i> -- This works without a problem, but it only shows the "body_content" file. this file is part of a layout (inside a folder) and I want to call the folder as the url, so it will acquire the index_html in an upper directory. I tried changing the "pt" variable to context.index_html and calling "here/index_html/options/zerror" in the template but it didn't show. how can I achieve that? thanx -- Haim

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virtual host monster problem
by johan30＠easynet.be 06 Jan '05

06 Jan '05

hi, I have a question of virtual host monster in combination with a virtual plone site, in combination with an apache site I have an url http://212.100.163.214:8080/help that should be directed to http://212.100.163.214/help : this means that everytime i go to the url or http://212.100.163.214/help , I should arrive to http://212.100.163.214:8080/help , which is a zope site. I have installed vhm in the root folder of http://212.100.163.214:8080 and i have as httpd.conf zope-part : LoadModule proxy_module /usr/lib/apache/1.3/libproxy.so AddModule mod_proxy.c <VirtualHost 212.100.163.214> ServerAdmin johan.boeckx(a)be.easynet.net DocumentRoot /opt/jffnms/htdocs ServerName managedrouters.easynet.be </VirtualHost> <VirtualHost *> ServerName managedrouters.easynet.be/help ServerAdmin johan.boeckx(a)be.easynet.net ServerAlias managedrouters.easynet.be/help ProxyPass / http://212.100/163.214:8080/VirtualHostbase/http/managedrouters.easynet.be:… ProxyPassReverse / http://212.100/163.214:8080/VirtualHostbase/http/managedrouters.easynet.be:… </VirtualHost> Nevertheless, when i try to access http://212.100.163.214/help/ , I see in the logs of apache : [Thu Jan 6 22:53:18 2005] [error] [client 81.188.66.90] File does not exist: /opt/jffnms/htdocs/help , which is the document root of the first site, while i need to arrive on the plone-site. Anybody know what i do wrong ? Greetings, Johan

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User login problem: prefs_users_overview
by Mike Elliott 06 Jan '05

06 Jan '05

OK, I got Zope up and running with the assistance of the mailing list. Thanks guys. I have successfully added a Plone site, but when I tried to create a new user through the web interface I got the following message: You have been registered Site Error This site encountered an error trying to fulfill your request. The errors were: ErrorType ValueError ErrorValue Unable to find prefs_users_overview The URL is http://...ploneSite/join_form Do I need to something else before a Plone site is usable?

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Re: [Zope] New user problems with Solaris 9 Zope
by Mike Elliott 06 Jan '05

06 Jan '05

On Thu, 6 Jan 2005 12:27:04 -0800, Mike Elliott <hbrednek(a)gmail.com> wrote: > > You can probably get past this problem in the short term by > > just deleting that file. > > I'll try it. Thanks. Yes, getting rid of the file (or renaming it, in this case) allows Zope to run. Not unsurprisingly, when I open the ZMI (see, I'm learning the buzzwords already!) the Zope version is listed as 'unreleased version'. I assume there's a way to specify that version file manually.

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New user problems with Solaris 9 Zope
by Mike Elliott 06 Jan '05

06 Jan '05

I've been working on getting Zope running on an Ultra 1 running Solaris 9, with no real success so far. I can apparently compile and install Zope, but when I try to run it I get the following: mre@bonk$ instance/bin/runzope -X port-base=1000 Traceback (most recent call last): File "/opt/Zope-2.7/lib/python/Zope/Startup/run.py", line 50, in ? run() File "/opt/Zope-2.7/lib/python/Zope/Startup/run.py", line 18, in run opts = _setconfig() File "/opt/Zope-2.7/lib/python/Zope/Startup/run.py", line 42, in _setconfig opts.realize(doc="Sorry, no option docs yet.") File "/opt/Zope-2.7/lib/python/zdaemon/zdoptions.py", line 271, in realize self.load_schema() File "/opt/Zope-2.7/lib/python/zdaemon/zdoptions.py", line 312, in load_schema self.schema = ZConfig.loadSchema(self.schemafile) File "/opt/Zope-2.7/lib/python/ZConfig/loader.py", line 37, in loadSchema return SchemaLoader().loadURL(url) File "/opt/Zope-2.7/lib/python/ZConfig/loader.py", line 71, in loadURL return self.loadResource(r) File "/opt/Zope-2.7/lib/python/ZConfig/loader.py", line 137, in loadResource schema = ZConfig.schema.parseResource(resource, self) File "/opt/Zope-2.7/lib/python/ZConfig/schema.py", line 43, in parseResource xml.sax.parse(resource.file, parser) File "/usr/local/lib/python2.3/xml/sax/__init__.py", line 33, in parse parser.parse(source) File "/usr/local/lib/python2.3/xml/sax/expatreader.py", line 107, in parse xmlreader.IncrementalParser.parse(self, source) File "/usr/local/lib/python2.3/xml/sax/xmlreader.py", line 123, in parse self.feed(buffer) File "/usr/local/lib/python2.3/xml/sax/expatreader.py", line 207, in feed self._parser.Parse(data, isFinal) File "/usr/local/lib/python2.3/xml/sax/expatreader.py", line 300, in start_element self._cont_handler.startElement(name, AttributesImpl(attrs)) File "/opt/Zope-2.7/lib/python/ZConfig/schema.py", line 119, in startElement getattr(self, "start_" + name)(attrs) File "/opt/Zope-2.7/lib/python/ZConfig/schema.py", line 306, in start_import src = self._loader.schemaComponentSource(pkg, file) File "/opt/Zope-2.7/lib/python/ZConfig/loader.py", line 154, in schemaComponentSource __import__(package) File "/opt/Zope-2.7/lib/python/ZServer/__init__.py", line 30, in ? ZOPE_VERSION=utils.getZopeVersion() File "/opt/Zope-2.7/lib/python/ZServer/utils.py", line 18, in getZopeVersion return App.version_txt.version_txt() File "/opt/Zope-2.7/lib/python/App/version_txt.py", line 57, in version_txt _prep_version_data() File "/opt/Zope-2.7/lib/python/App/version_txt.py", line 45, in _prep_version_data dict = expr.match(s).groupdict() AttributeError: 'NoneType' object has no attribute 'groupdict' This is really tough for someone like me to debug as I have no experience with Zope or Python. Any suggestions?

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