January 2002 - Zope-Dev

Re: [Zope-dev] Re: [ZODB-Dev] Big problem.
by Andrew Sydelko 10 Jan '02

10 Jan '02

Chris McDonough wrote: > Make sure you try the "unscrew.py" thing I sent over before doing that... Just tried it. It seemed to run fine, but I still get 404 Not found on /manage_main and 400 Bad Request on / --andy.

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Re: [Zope-dev] Re: [ZODB-Dev] Big problem.
by Andrew Sydelko 10 Jan '02

10 Jan '02

Chris McDonough wrote: > Try the "original" tranalyzer here instead: > http://www.zope.org/Members/tsarna/Tranalyzer That's better, but it bombs out part way thru: Traceback (most recent call last): File "./tranalyzer.py", line 333, in ? main(sys.argv) File "./tranalyzer.py", line 325, in main t = Transaction(f, off, refs) File "./tranalyzer.py", line 170, in __init__ self.obs.append(Record(f, refs)) File "./tranalyzer.py", line 201, in __init__ self.prevrec = f.u64() File "./tranalyzer.py", line 121, in u64 self.checkleft(8) File "./tranalyzer.py", line 87, in checkleft raise 'Not enough data left, %d < %d' % (self.left, n) Not enough data left, 0 < 8 Here are the last few things that it spit out: TID: 33E2AAB7A0AA1D5 @ 449542140 obs 1 len 7404 (status 'p') By david.s.carmichael.1 "/people/david.s.carmichael.1/tutorial/Building My Pictures Page/manage_undo_transactions Undo 2001/07/24 14:23:12.6358 US/Eastern /people/david.s.carmichael.1/tutorial/Building My Pictures Page/manage_edit" OID: 7e12a len 7120 TID: 33E2ABB4126FA3C @ 449549560 obs 2 len 1234 (status 'p') By david.s.carmichael.1 "/people/david.s.carmichael.1/tutorial/manage_addVersion" OID: 7cd46 len 798 OID: 86081 len 261 0 8

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Big problem.
by Andrew T Sydelko 10 Jan '02

10 Jan '02

Urgh! While trying to get Zope 2.5.0b3 working I accidentally started a 2.5.0b3 ZEO client on a Zope 2.4.3 ZEO server. Doing this caused some stuff (Sessions?) to be added to the database. When the live 2.4.3 ZEO client stopped, it wouldn't restart with the following traceback: ------ 2002-01-10T21:27:44 PANIC(300) z2 Startup exception ------ 2002-01-10T21:27:44 ERROR(200) ZODB Couldn't load state for '\x00\x00\x00\x00\x00\x00\x00\x02' Traceback (innermost last): File /data/www/Zope.6/src/Zope-2.4.3-src/lib/python/ZODB/Connection.py, line 544, in setstate ImportError: No module named Sessions.SessionDataManager Traceback (innermost last): File /data/www/Zope.6/Zope/z2.py, line 564, in ? File <string>, line 1, in ? File /data/www/Zope.6/src/Zope-2.4.3-src/lib/python/Zope/__init__.py, line 144, in ? File /data/www/Zope.6/src/Zope-2.4.3-src/lib/python/OFS/Application.py, line 389, in initialize File /data/www/Zope.6/src/Zope-2.4.3-src/lib/python/ZODB/Connection.py, line 544, in setstate ImportError: No module named Sessions.SessionDataManager Either I need to get 2.5.0b3 working (it was dying with Error Code 11 problems) or I need to figure out how to remove the things that were added to the database by a 2.5.0b3 ZEO client. Any help or insight would be greatly appreciated. --andy.

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I have two question. Would you help me please.
by 박 재성 10 Jan '02

10 Jan '02

Hello. First of all Happy New Year! This is korea. I am a zope student. On studying I have two question. Q1. How call the ZSQLMethod into script python. Firrst I write the script python named 'myscript' and the ZSQLMethod named 'mySqlMethod' myscript (script python)************************************************************ # Example code: # Import a standard function, and get the HTML request and response objects. from Products.PythonScripts.standard import html_quote request = container.REQUEST RESPONSE = request.RESPONSE # Return a string identifying this script. val = context.mySqlMethod() print val return printed mySqlMethod (ZSQLMethod)************************************************************ select * from bbs1 (:bbs1 is the table name of the DB) How call the 'mySqlMethod'(ZSQLMethod) into 'myscript'(script python) and how display the query results of ZSQL Method called into script python ? I called mysqlMethod into the above myscript( val = context.mySqlMethod()). But I failed. Q2. How to display the list type data. myDTMLMethod(DTMLMethod)************************************************ ** <dtml-var standard_html_header> <dtml-var "myScript()"> <dtml-var standard_html_footer> myscript (script python)************************************************** # Example code: # Import a standard function, and get the HTML request and response objects. from Products.PythonScripts.standard import html_quote request = container.REQUEST RESPONSE = request.RESPONSE list1=[] vala = 100 valb = 200 list1.append(vala) list1.append(valb) return list1 I worte DTMLMethod named 'myDTMLMethod' and script python named 'myscript' Above myscript return the list type data. Then how display the returned list type data into the myDTMLMethod? The question part is <dtml-var "myScript()"> But I failed. How could I resolve thses questions? Help me!! Thank you very much.

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Re: [Zope-dev] sessionDataManager should create it's temp/xxxx
by Chris McDonough 10 Jan '02

10 Jan '02

OIC. Thanks! This patch probably makes sense for some class of usage. I'm a little skittish because I think doing magic (e.g. "if I dont find a data container where I said there was one, make one in /temp_folder") might tend to bite folks. Also, doing "writes on reads" (explicitly commiting a transaction in the middle of a request-bounded transaction) is probably a bad idea because it might cause half of something to be committed inadvertently. The "right" solution for this is to create some sort of analogue of "rc.d/init.d" for Zope where you can hook Zope startup and thus repopulate the temp_folder with the separate data containers then. I thought of this a while back but lacked the time to implement it. - C Darrell Gallion wrote: > I wanted each SessionDataManager to have it's own > "Session Data Container" in the /temp_folder > This allows me to invalidate them one by one and > provide various timeouts. > > Since these are not persistent, there's a problem. > So I added properties to SessionDataManager so it > could create it's own > /temp_folder/SessionDataContainer if need be. > > Maybe I'm using this all wrong? > > Thanks > --Darrell > > > __________________________________________________ > Do You Yahoo!? > Send FREE video emails in Yahoo! Mail! > http://promo.yahoo.com/videomail/ >

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Zope 2.5b3 Management Tabs
by brian.r.brinegar.1 09 Jan '02

09 Jan '02

I've noticed in a fresh install Zope 2.5b3 management tabs which users do not have access to view show up. In the past only management tabs that a user had permission to view the associated action showed up. Is this a known issue? or a new feature? --Brian Brinegar ECN Web Technician MSEE 104 A 494-3106 http://www.geeksoft.net/

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"Cache detail" error
by Andrew T Sydelko 09 Jan '02

09 Jan '02

Clicking on "Cache detail" in the Debug Information Control Panel, I get the following traceback: Zope Error! Zope has encountered an error while publishing this resource. Error Type: AttributeError Error Value: __module__ Traceback (innermost last): File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZPublisher/Publish.py, line 99, in publish File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZPublisher/mapply.py, line 88, in mapply (Object: cache_detail) File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZPublisher/Publish.py, line 40, in call_object (Object: cache_detail) File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/App/CacheManager.py, line 189, in cache_detail (Object: Control_Panel) File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZODB/DB.py, line 161, in cacheDetail File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZODB/DB.py, line 135, in _connectionMap File /data/www/Zope.testing/src/Zope-2.5.0b3-src/lib/python/ZODB/DB.py, line 157, in f AttributeError: __module__ Any ideas? --andy.

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sessionDataManager should create it's temp/xxxx
by Darrell Gallion 09 Jan '02

09 Jan '02

I went to the collector, filled out the form. Only to find out I need and account to submit the form!! The "Transient Object Container" is transient.. I wanted the SessionDataManager to create it's Transient Object Container as needed. Added properties to the SessionDataManger to make this possible. ===== Darrell Gallion __________________________________________________ Do You Yahoo!? Send FREE video emails in Yahoo! Mail! http://promo.yahoo.com/videomail/

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Re: [ZODB-Dev] Replacing bobobase_modification_time
by Jim Fulton 09 Jan '02

09 Jan '02

Casey Duncan wrote: > > I am posting this here to get reactions here for something that we have been > discussing on zope-dev that pertains to the ZODB. > > Dieter M. discovered that bobobase_modification_time (henceforth referred to > as b_m_t) is not always an accurate representation of an object's > modification time, especially when an object has been modified in a > transaction that has not been commited. This is a problem when doing things > like cataloging an object in the same transaction that it is modified. > > I thought this issue created an opprotunity to solve two problems. The above > problem and the anachronistic b_m_t API itself, which is always good for a > laugh in Zope classes. The idea is to create a new method in PersistentExtra > "getModificationTime" which returns the actual modification time of an object > based on the time the change is registered if it has been changed and not > commited and then the last commit time if no change has been made. I also > propose we add a second method "getLastCommitTime" or some-such which behaves > the same as the current b_m_t method. At the same time we would deprecate > b_m_t. > > Kapil Thangavelu prototyped a couple of ideas. I think his latest code is > simple and straighforward enough to be incorporated, although it does not yet > replace and deprecate b_m_t, which I think is important. > > He posted sample code to zope-dev yesterday, here is a (rather long) link: > http://zope.nipltd.com/public/lists/dev-archive.nsf/0a8715d5f3c7b6a3802568c… > > Thoughts anyone? The basic problem is that b_m_t is a database modification time, not an application-meaningful time. You pointed out that there are application-meaningful times that are not captured by the database time. In addition, there are database modifications that are not meaningful to the application. Operations like export/import (copy/paste), version commit/abort, transactional undo, etc. cause the database times to change without making application-meaningful changes. Also, there could be state changes in an object that are not meaningful to the application. I think that a much better approach, if modification time is important to your application, is to store the application modification time in the object as a data attribute. Jim -- Jim Fulton mailto:jim@zope.com Python Powered! CTO (888) 344-4332 http://www.python.org Zope Corporation http://www.zope.com http://www.zope.org

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a long type property dosen't appear in any manage_propertiesForm
by Takakazu Tamaki 09 Jan '02

09 Jan '02

Hi folks, As mentioned in subject, it dosen't appear. I'm not sure it's a bug or feature. :( Could anyone give a suggestion ? Zope-2.4.3 in lib/python/OFS/dtml/properties.dtml --- properties.dtml.orig Tue Mar 6 06:01:02 2001 +++ properties.dtml Thu Jan 10 01:58:53 2002 @@ -62,7 +62,7 @@ <dtml-elif "type == 'long'"> <input type="text" name="<dtml-var id>:<dtml-var type>" size="35" value="<dtml-if "hasProperty(id)"><dtml-var - "('%s' % getProperty(id))[:-1]" html_quote></dtml-if>"> + "('%s' % getProperty(id))" html_quote></dtml-if>"> <dtml-elif "type in ('float', 'date')"> <input type="text" name="<dtml-var id>:<dtml-var type>" size="35" value="<dtml-var "getProperty(id)" html_quote>"> --- kaz

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