November 2002 - Zope

ZODB conflict error
by Bo M. Maryniuck 07 Nov '02

07 Nov '02

Stupid logfile shows me this: ------ 2002-11-07T13:30:33 INFO(0) ZODB conflict error at /projects/merch/ (1 conflicts since startup at 2002-11-07T13:30:01) ------ ... ------ 2002-11-07T13:34:15 INFO(0) ZODB conflict error at /projects/merch/ (18 conflicts since startup at 2002-11-07T13:30:01) ------ And finally this: ------ 2002-11-07T13:31:15 ERROR(200) ZODB Couldn't load state for '\x00\x00\x00\x00\x00\x00\x1c.' Traceback (innermost last): File /opt/zope/lib/python/ZODB/Connection.py, line 447, in setstate AttributeError: 'None' object has no attribute 'load' ------ Somebody knows what it this? -- Regards, Bogdan If it weren't for the last minute, nothing would get done.

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Sequence number inside a tree
by Alfredo P. Ricafort 07 Nov '02

07 Nov '02

Hi, Is there a way to generate a sequence number inside a <dtml-tree> or replace the + sign with a sequence number? What I wanted to do is something like this: 1. Branch_1 1.1 Branch_1.1 1.2 Branch_1.2 1.2.1 Branch_1.2.1 2. Branch_2 2.1 Branch_2.1 2.2 Branch_2.2 Tks. AL

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problem installin ParsedXML _PyObject_GC_Del undefined
by robert rottermann 07 Nov '02

07 Nov '02

I try to install ParsedXML on Zope 2.51 running on Linux. It is not loaded since _PyObject_GC_Del is not defined. (see traceback) I somehow have the impression that this symbol is parth of the python2.2 pyexpat.so (grep found it only there) any help to resolve this problem is much apprechaited Robert 2002-11-07T09:44:16 ERROR(200) Zope Couldn't install ParsedXML Traceback (innermost last): File /home/zope/opt/Zope-2.5.1/lib/python/OFS/Application.py, line 637, in ins tall_product (Object: Zope) (Info: ParsedXML) File /home/zope/var/Instance/Products/ParsedXML/__init__.py, line 91, in initialize File /home/zope/var/Instance/Products/ParsedXML/ParsedXML.py, line 96, in ? File /home/zope/var/Instance/Products/ParsedXML/ManageableDOM.py, line 99, in ? File /home/zope/var/Instance/Products/ParsedXML/ExtraDOM.py, line 92, in ? File /home/zope/var/Instance/Products/ParsedXML/DOM/ExpatBuilder.py, line 115, in ? (Object: Products.ParsedXML.DOM.XMLExtended) ImportError: /home/zope/opt/Python2/lib/python2.1/site-packages/_xmlplus/parsers /pyexpat.so: undefined symbol: _PyObject_GC_Del

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attribute error 'sendall' in sendmail tag
by Hamish Lawson 07 Nov '02

07 Nov '02

Cornelis J. de Brabander wrote: > The following code produces a attribute > error with value "sendall' in 2.5.1 If your problem is like the one I had, then it's because your _socket module doesn't have a sendall method. To check this out, create and run the following External Method: def test_socket(): import _socket sock = _socket.socket(_socket.AF_INET, _socket.SOCK_STREAM) return "<p>%s</p>\n<p>%s</p>" % (_socket.__file__, str(dir(sock))) This will print out the path to where the _socket is being loaded from, followed by the supported attributes for a socket connection. * If the sendall attribute is missing, check whether your _socket module is indeed being loaded from your Zope's Python installation; if from elsewhere, try fixing up your paths. * If the location for _socket seems OK then try downloading Python 2.1.3 and copying the _socket.pyd into the appropriate place in your Zope's Python installation. If, however, the sendall attribute is in fact listed, then I'm afraid I don't know what the problem is! Hamish Lawson

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Error HTTP 500 using XUF in 2.6.0
by Axier García Asenjo 07 Nov '02

07 Nov '02

Hi all, I'm trying to use exUserFolder in Zope 2.6.0 without success. Every time I authentificate incorrectly my browser (IE 6.0) raises a HTTP 500 error and if I authentificate correctly it works well. Using the same objects in 2.5.1 it works as expected (in my example it redirects me to the login screen). Anybody knows the reason for this behaviour (HTTP 500 error)? Here is the example: This is the docLogin in my XUF ------------------------------------------------------------------- <dtml-if authFailedCode> <dtml-call "RESPONSE.redirect(URL1 + '/auth_failed/index_html')"> <dtml-else> The HTML of the login page goes here </dtml-if> ------------------------------------------------------------------- Thanks, Axier Garcia

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RE: [Zope] Installing NEOBoard
by Adam Getchell 07 Nov '02

07 Nov '02

Hello all, Sorry, I just re-read the trace and saw I had identical products in different directories (back from when I was trying to figure out where NEOBoard needed to be installed). So, I removed ActivePak, CMFPlone, DCWorkflow, and Formulator from /home/zope/Products and restarted Zope. I read the traceback some more, saw that it was looking for the CachingPolicyManager module (file). So (I know this is a horrible hack), I downloaded CMF-1.3, and copied CachingPolicyManager.py to /usr/local/lib/zope/lib/python/Products/CMFCore, restarted, saw it was looking for CMFCore/interfaces/CachingPolicyManager and copied that as well. This then lead to Products.CMFCore.ActionProviderBase, ActionInformation, Expression, (which fixed DCWorkFlow), until I got this traceback: By now, I had a horrible mix of CMF1.2 and CMF1.3, so I just swapped in the contents of CMF-1.3, and was pleasantly surprised to find it just worked! So, I learned to: 1) Read the source 2) Upgrade CMF manually NEOBoard still doesn't work though ;-) Well, I find again the notes I make in preparation to asking a question helps solve the question. --Adam -----Original Message----- From: Adam Getchell [mailto:AdamG@hrrm.ucdavis.edu] Sent: Wednesday, November 06, 2002 5:28 PM To: zope(a)zope.org Cc: 'wankyu(a)neoqst.com' Subject: RE: [Zope] Installing NEOBoard I went back a little farther: I'm running CMF 1.2 and tried installing Plone first (so I could retry the NeoBoard+Plone install) in: /usr/local/lib/zope/lib/python/Products These four folders for Plone: ActivePak CMFPlone DCWorkflow Formulator ActivePak is broken, and gives this traceback: Traceback (most recent call last): File "/usr/ports/www/zope/w-zope-2.5.1p1/Zope-2.5.1-src/lib/python/OFS/Applicatio n.py", line 531, in import_product product=__import__(pname, global_dict, global_dict, silly) File "/home/zope/Products/ActivePak/__init__.py", line 2, in ? from Products.CMFPlone.PloneUtilities import log File "/home/zope/Products/CMFPlone/__init__.py", line 4, in ? from Products.CMFCore import CachingPolicyManager, DirectoryView, utils ImportError: cannot import name CachingPolicyManager DCWorkflow is broken, and gives this traceback: Traceback (most recent call last): File "/usr/ports/www/zope/w-zope-2.5.1p1/Zope-2.5.1-src/lib/python/OFS/Applicatio n.py", line 531, in import_product product=__import__(pname, global_dict, global_dict, silly) File "/home/zope/Products/DCWorkflow/__init__.py", line 19, in ? import DCWorkflow, States, Transitions, Variables, Worklists, Scripts File "/home/zope/Products/DCWorkflow/DCWorkflow.py", line 44, in ? from Transitions import TRIGGER_AUTOMATIC, TRIGGER_USER_ACTION, \ File "/home/zope/Products/DCWorkflow/Transitions.py", line 29, in ? from Guard import Guard File "/home/zope/Products/DCWorkflow/Guard.py", line 27, in ? from Expression import Expression, StateChangeInfo, createExprContext File "/home/zope/Products/DCWorkflow/Expression.py", line 25, in ? from Products.CMFCore.Expression import Expression ImportError: No module named Expression Any suggestions for fixes? Thanks, -----Original Message----- From: Adam Getchell [mailto:AdamG@hrrm.ucdavis.edu] Sent: Wednesday, November 06, 2002 1:59 PM To: zope(a)zope.org Cc: 'wankyu(a)neoqst.com' Subject: [Zope] Installing NEOBoard Hi all, I have Zope 2.5.1 running on OpenBSD 3.1, with separate INSTANCE_HOME: Zope Version (Zope 2.5.1 (OpenBSD package zope-2.5.1p1) , python 2.1.2, openbsd3) Python Version 2.1.2 (#1, Apr 12 2002, 18:58:54) [GCC 2.95.3 20010125 (prerelease)] System Platform openbsd3 SOFTWARE_HOME /usr/local/lib/zope/lib/python INSTANCE_HOME /home/zope CLIENT_HOME /home/zope/var This site currently hosts two other sites, so I know Zope is working. I've placed the NeoBoard 1.1a folder in: /usr/local/lib/zope/lib/python/Products /home/zope/Products /home/zope/Products/lib/python/Products None of these locations gives me the NeoBoard or NeoBoard Skin Folder upon restart. Where should it be installed? *************************** * Adam Getchell AdamG(a)hrrm.ucdavis.edu * System Architect/Programmer (530) 752-1584 * Human Resources Information Systems http://www.hr.ucdavis.edu/ *************************** "Invincibility is in oneself, vulnerability in the opponent." -- Sun Tzu _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev ) _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )

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RE: [Zope] Installing NEOBoard
by Adam Getchell 07 Nov '02

07 Nov '02

I went back a little farther: I'm running CMF 1.2 and tried installing Plone first (so I could retry the NeoBoard+Plone install) in: /usr/local/lib/zope/lib/python/Products These four folders for Plone: ActivePak CMFPlone DCWorkflow Formulator ActivePak is broken, and gives this traceback: Traceback (most recent call last): File "/usr/ports/www/zope/w-zope-2.5.1p1/Zope-2.5.1-src/lib/python/OFS/Applicatio n.py", line 531, in import_product product=__import__(pname, global_dict, global_dict, silly) File "/home/zope/Products/ActivePak/__init__.py", line 2, in ? from Products.CMFPlone.PloneUtilities import log File "/home/zope/Products/CMFPlone/__init__.py", line 4, in ? from Products.CMFCore import CachingPolicyManager, DirectoryView, utils ImportError: cannot import name CachingPolicyManager DCWorkflow is broken, and gives this traceback: Traceback (most recent call last): File "/usr/ports/www/zope/w-zope-2.5.1p1/Zope-2.5.1-src/lib/python/OFS/Applicatio n.py", line 531, in import_product product=__import__(pname, global_dict, global_dict, silly) File "/home/zope/Products/DCWorkflow/__init__.py", line 19, in ? import DCWorkflow, States, Transitions, Variables, Worklists, Scripts File "/home/zope/Products/DCWorkflow/DCWorkflow.py", line 44, in ? from Transitions import TRIGGER_AUTOMATIC, TRIGGER_USER_ACTION, \ File "/home/zope/Products/DCWorkflow/Transitions.py", line 29, in ? from Guard import Guard File "/home/zope/Products/DCWorkflow/Guard.py", line 27, in ? from Expression import Expression, StateChangeInfo, createExprContext File "/home/zope/Products/DCWorkflow/Expression.py", line 25, in ? from Products.CMFCore.Expression import Expression ImportError: No module named Expression Any suggestions for fixes? Thanks, -----Original Message----- From: Adam Getchell [mailto:AdamG@hrrm.ucdavis.edu] Sent: Wednesday, November 06, 2002 1:59 PM To: zope(a)zope.org Cc: 'wankyu(a)neoqst.com' Subject: [Zope] Installing NEOBoard Hi all, I have Zope 2.5.1 running on OpenBSD 3.1, with separate INSTANCE_HOME: Zope Version (Zope 2.5.1 (OpenBSD package zope-2.5.1p1) , python 2.1.2, openbsd3) Python Version 2.1.2 (#1, Apr 12 2002, 18:58:54) [GCC 2.95.3 20010125 (prerelease)] System Platform openbsd3 SOFTWARE_HOME /usr/local/lib/zope/lib/python INSTANCE_HOME /home/zope CLIENT_HOME /home/zope/var This site currently hosts two other sites, so I know Zope is working. I've placed the NeoBoard 1.1a folder in: /usr/local/lib/zope/lib/python/Products /home/zope/Products /home/zope/Products/lib/python/Products None of these locations gives me the NeoBoard or NeoBoard Skin Folder upon restart. Where should it be installed? *************************** * Adam Getchell AdamG(a)hrrm.ucdavis.edu * System Architect/Programmer (530) 752-1584 * Human Resources Information Systems http://www.hr.ucdavis.edu/ *************************** "Invincibility is in oneself, vulnerability in the opponent." -- Sun Tzu _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )

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RE: [Zope] testing for "REQUEST is not None"
by Passin, Tom 07 Nov '02

07 Nov '02

[Willem Broekema] > If a method in a Zope product has REQUEST as optional parameter: > > def something(self, REQUEST=None): > ... > > why is the REQUEST always compared with None: > > if REQUEST is not None: > .. > > instead of just: > > if REQUEST: Actually, None, 0, {}, [], and the empty string all evaluate to false in a boolean test, so if REQUEST works fine. For example: d={} if not d: print 'evaluated as false' # prints 'evaluated as false' Note that the test if REQUEST is not None: will return 1 (true) for empty lists, dictionaries, and strings, because they are different objects from the None object, of which there is only one. So if you want different behavior depending on whether the REQUEST might be an empty dictionary (for eaxmple) or might have been omitted (and so defautled to None), you want the long form. For a Zope REQUEST object this would not matter since the REQUEST would never be empty, but it could matter for other parameters. If you want the same behavior for None as for the other empty objects, you should use the short form. I normally use the short form. Cheers, Tom P

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Formulator/ZPT HowTo Ready for Review!
by beno 06 Nov '02

06 Nov '02

Hi; Thanks for all of you who helped me with this (and the rest of you who tolerated me ;) Please take a look at this HowTo and give me pointers! http://www.zope.org/Members/BenO/HowTo/Formulator_With_ZPT Also, please tell me how to list it in the HowTo directory and make it so the chrome of the Zope site wraps around the page (instead of just having my data). TIA, beno

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Transience Error
by Jim Kutter 06 Nov '02

06 Nov '02

Hi Boys and Girls. Major bad news. I have serious problems with the Transience (specifically the sessioning mechanism) snarfing under high loads. Now before you jump to the rescue and mention the patch, I have already installed it, and no luck. What can I do to either reduce the load or circumvent this problem? Here's the traceback... <!-- Traceback (innermost last): File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 150, in publish_module File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 114, in publish File /usr/local/zope/lib/python/Zope/__init__.py, line 159, in zpublisher_exception_hook (Object: membership) File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 98, in publish File /usr/local/zope/lib/python/ZPublisher/mapply.py, line 88, in mapply (Object: login.html) File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 39, in call_object (Object: login.html) File /usr/local/src/Zope-2.5.1-linux2-x86/lib/python/Shared/DC/Scripts/Bindings.p y, line 252, in __call__ (Object: login.html) File /usr/local/src/Zope-2.5.1-linux2-x86/lib/python/Shared/DC/Scripts/Bindings.p y, line 283, in _bindAndExec (Object: login.html) File /usr/local/src/Zope-2.5.1-linux2-x86/lib/python/Products/PythonScripts/Pytho nScript.py, line 302, in _exec (Object: login.html) (Info: ({'script': <PythonScript instance at 8bc90b0>, 'context': <Folder instance at 8b1d2d8>, 'container': <Folder instance at 8b1d2d8>, 'traverse_subpath': []}, (), {}, None)) File Script (Python), line 45, in login.html File /usr/local/src/Zope-2.5.1-linux2-x86/lib/python/AccessControl/ZopeGuards.py, line 47, in guarded_getattr File /usr/local/zope/lib/python/ZPublisher/HTTPRequest.py, line 851, in __getattr__ File /usr/local/zope/lib/python/ZPublisher/HTTPRequest.py, line 837, in get File /usr/local/src/Zope-2.5.1-linux2-x86/lib/python/Products/Sessions/SessionDat aManager.py, line 92, in getSessionData (Object: session_data_manager) File /usr/local/src/Zope-2.5.1-linux2-x86/lib/python/Products/Sessions/SessionDat aManager.py, line 175, in _getSessionDataObject (Object: session_data_manager) File /usr/local/zope-prod/lib/python/Products/Transience/Transience.py, line 175, in new_or_existing (Object: session_data) File /usr/local/zope-prod/lib/python/Products/Transience/Transience.py, line 786, in get (Object: session_data) File /usr/local/zope-prod/lib/python/Products/Transience/Transience.py, line 599, in _getCurrentBucket (Object: session_data) File /usr/local/zope-prod/lib/python/Products/Transience/Transience.py, line 688, in _housekeep (Object: session_data) KeyError: (see above)

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