- Zope - Zope lists

Zope on Win NT
by gmadhavi＠hss.hns.com 06 Apr '01

06 Apr '01

hi all zopists, i have seen how zope works on linux when one of my friend happened to install.. and it didn't take me any time to get a comfy feeling with it. now i am trying on win nt platform.. and face some problems.. the initial installation or the start.bat doesn't get executed properly stating errors like "could not lock the database file. there must be another process that has opened the file." when there's no process which is using it. looking forward for some urgent assistance on the same. thanks and regards, madhavi.

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calendar function in Zope?
by Thomas Boettger 06 Apr '01

06 Apr '01

Is there any Plugins, modules objects etc. to provide customers with an calendar similar to the MS outlook calendar. I would like to merge news with an calendar surface. Thanks in advance Thomas Boettger

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Classes & Objects Vs Relational Databases
by Error 06 Apr '01

06 Apr '01

hello, i'd like to know whether it is best to use classes or relational databases for a (medium ?) sized project involving about 1000 new documents a month (average interconnection between them) and about 2 years of backlogs (each doc being about 1500 signs). i would love to do it entirely in zope (classes + methods + dtml) but i'm not sure wheter this is a good idea or if i can make everything i'm used to like in a relational database. to make it more clear, i'll make an example. let's say i am dealing with news-like sutff i have the following tree : news news/sport news/sport/20010406_0236 news/sport/20010406_0345 news/sport/XXXXXXXXXXXXX (being yyyymmdd_hhmm) news/art news/art/20010406_0236 news/art/20010406_0345 news/art/XXXXXXXXXXXXX (being yyyymmdd_hhmm too) i'm using classe for these yyyymmdd_hhmm objects and i'd like to sort them according to date or author both in separate folders (newest items in sports) or to pick them from both (5 most recent items from both folders for example). how do i do that in dtml ? (i'd prefer doing it in dtml than in python because people who will be in charge afterwards will have less trouble managing it). <dtml-in xxx sort="date"> would do the trick inside a folder, but how do i do it in both folders ???? furthermore, is it a good idea to keep this in the zodb or is it best to put it in another outside database (mysql most probably) ? thx, $ven

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sybaseDA issue
by Vishnu Prasad 06 Apr '01

06 Apr '01

Can someone help me out to fix this sybaseDA issue? I am trying to make a DB connection with Zope with SybaseDA-2.0b2-src.tgz. I have installed sybase ASE 11.9.2 on RedHat Linux 7.0 and Zope 2.3.0 I am getting the following error when I run 'make' ----------- ./sy_occ.c:47:22 ctpublic.h: No such file or directory make: *** [sy_occ.o] Error 1 ----------- Kindly suggest for me to proceed. thanks in advance vishnu __________________________________________________ Do You Yahoo!? Get email at your own domain with Yahoo! Mail. http://personal.mail.yahoo.com/

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recursion in zope.
by ghaley＠mail.venaca.com 06 Apr '01

06 Apr '01

hi, recursion will be the bane of my existence. i have something like the following data structure: base_id node_num type par children in this, base id is a unique id, node num is unique for a user, par is the node num from which the instance of the node num derives, and children are the node nums that derive from the node num. the type is either a branch or a leaf. a branch can have either more branches or leaves, but not both. (in case it is not obvious, the data structure is building a tree-list). but i need to be able to traverse the tree outside of the tree-list structure to solve my problem. base_id type node_num par children 1010 B 2 1 [3, 5, 10, 25] 1011 B 3 2 [6, 7, 8, 9] 1912 L 5 2 [] 1913 L 6 3 [] 2011 L 7 3 [] 2012 L 8 3 [] 2244 L 9 3 [] 2250 B 10 2 [11, 12, 13] 2251 B 11 10 [] Rules and coding: A type of B means a branch, a type of L is a leaf. A node of a type B cannot contain both nodes of type B and type L, so a B type with the first element of a B cannot contain subsequent Leaves. And a B type with the first element of L cannot contain any other B types. i have written a method that iterates through a list of the children. if the first child points to a node that is a terminal child (L), it stops and prints out the identification of the child. it will also expand out a list of nodes containing terminal children [ good heavens this sounds grim! ] but when i try to get it to expand those sub-nodes of type B i get an error stating excessive recursion; yet, if i look (via view source) at the error screen, the source shows the expansion down to a single sub-branch, and no lower; and it never displays the error trace. a strangeness that has been popping up recently -- i.e., an error, whose source shows what i expected the method to do, but does not include an error trace. i would post the relevant code, but it is in two files and rather long. if anyone has had experience with recursion in zope and can lend some advice, or point out a how-to, i would very much appreciate it. many thanks for any pointers. ciao! greg. Gregory Haley DBA/Web Programmer Venaca, LLC.

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Re: [Zope] to zope or not [Documentation]
by Russell Hires 06 Apr '01

06 Apr '01

I looked at the website that is refered to here, (URL:http://www.dieter.handshake.de/pyprojects/zope/book/chap1.html) and I wonder at what point it can become a part of the official Zope documentation, if the author would allow it, actually, because it is wonderful in giving an explanation that is very detailed, yet simple and not insulting to the reader. Russell ____________________________________________________ "I don't care if you're going nowhere, Just take good care of the world." -- Depeche Mode ---------- >From: Dieter Maurer <dieter(a)handshake.de> >To: "Win GO" <theoden(a)edsamail.com.ph> >Cc: zope(a)zope.org >Subject: Re: [Zope] to zope or not >Date: Mon, Apr 2, 2001, 3:03 PM > > Win GO writes: > > Would anyone tell me the PROs and CONs of using zope for an Intranet? > How does it compare with using apache. > Apache for mostly static sites, > Zope for mostly dynamic sites .... > > > URL:http://www.dieter.handshake.de/pyprojects/zope/book/chap1.html > > may give you some more details. > > > > Dieter > > > _______________________________________________ > 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] ZServer (still) dying (from time to time)...
by Chris McDonough 06 Apr '01

06 Apr '01

> Unfortunately, it is not easily reproducable... We had once only simple > ZClasses defined and it still died, when several people try to access it > simultanously. Ah, that is I think the only common factor: Always users > worked at the same time on Zope (viewing or managing). Does that help? Ummm.. not really. ;-) We'll continue to stagger towards a solution, however... ;-)

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ZServer (still) dying (from time to time)...
by Error 06 Apr '01

06 Apr '01

[Chris] OK, I've been able to reproduce it. I have no idea of its cause however... but its definitely a Zope bug. We'll get on it. [Philip] You have saved my sanity - I thought it was me! If you're ever in London, beers are on me! [Sven] once the bug is finally dead, come to paris to get yet another free drink ;-)))) $ven

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ANN: At long last, the change we've been waiting to announce
by Paul Everitt 06 Apr '01

06 Apr '01

Howdy gang. At long last we can announce: http://biz.yahoo.com/prnews/010405/dcth003.html Namely, Digital Creations has filled the vacant CEO seat that my naïve little tooshie has been keeping warm for too long now. This has been in the cooker for a while, and I can guarantee you that I'm happy to tell everyone! This is a big move for us, a signal that we're ready to take all the built-up potential and make little old Digital Creations into a strong company. Brian has a strong vision, from both the services side and the product side. Far more important, he has *experience* in crafting a sizeable, professional services outfit. It's getting just about time for us to "cross the chasm". What does this mean to the community? Of course, the formula: Zope != Digital Creations ...still applies, so if these corporate muckity muck maneuverings don't interest you, you're safe to locate the button marked "Del" in the top right of your keyboard. However, those eager to see us capitalize on November's investment round and increase Zope's legitimacy, well, this is a critical step. Of course, we also got furniture delivered to our amazingly-overdue new location today. But that's a different kind of excitement. :^) Worried that it will snuff out the culture and that we're going to start making bland, goofy decisions, with no spark of life nor exploding-head ideas? Well, _me too_. But I've stayed worried about that every day for years, so I have a head start on you. :^) However, I'm comfortable that, as Hadar said way back when in the Open Source Decision diary, we know the difference between the golden goose and the golden eggs. We consider the Zope magic we have going on here with you folks to be the golden goose. I hope that we continue to be good stewards and earn the trust you've placed in us to do good things. Worried about me? Don't be, I'm thrilled that we're doing this. I know what I'm good at, and frankly, I know what I come up short (inside joke for anyone that's met me). This is good for me and good for everyone here. For one thing, I expect this will mean I'm more engaged here on the mailing list...see, there's a downside in this for you folks after all! Anyway, this news *just* went on the wire in the last few minutes. I wanted to make sure that you guys heard it pronto. Wish us luck and keep the faith! --Paul

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FW: [Zope] Xron on Zope v.2.3.1
by Spicklemire, Jerry 05 Apr '01

05 Apr '01

Oops, forgot to copy the list! -----Original Message----- From: Spicklemire, Jerry Sent: Thursday, April 05, 2001 9:50 AM To: 'Loren Stafford' Subject: RE: [Zope] Xron on Zope v.2.3.1 Loren suggested: > If you have FTP access to the Zope "products" directory and "var" directory > you can use the FrozenLogger product to set STUPID_LOG_FILE and start > logging. Even tho your methods don't create output, Xron logs every > scheduled event and shows any errors that might occur. OK, FrozenLogger is in place, and Output R Us! >From the results it looks like I need to search for more hints related to BTree, and the Catalog. Thanks for the pointers! Jerry S. P.S. It looks like the relevent bits are: ------ 2001-04-05T14:44:39 ERROR(200) ZODB Couldn't load state for '\000\000\000\000\000\000\035E' Traceback (innermost last): File /l01/Zope-2.3.1-linux2-x86/lib/python/ZODB/Connection.py, line 524, in setstate ConflictError: ("'\\000\\000\\000\\000\\000\\000\\035E'", '<extension class BTree.BTree at 401b800c>') ------ 2001-04-05T14:44:39 (302) Products.Xron.Loggerr Cannot access catalog. Suspending operation. Traceback (innermost last): File "/l01/Zope/lib/python/Products/Xron/Dispatcher.py", line 62, in Timer (atime, aurl)=Schedule.armed_event() # Get next armed event File "/l01/Zope/lib/python/Products/Xron/Schedule.py", line 111, in armed_event sort_on='nextEventTime' File "/l01/Zope-2.3.1-linux2-x86/lib/python/Products/ZCatalog/Catalog.py", line 651, in searchResults used=self._indexedSearch(kw, sort_index, r.append, used) File "/l01/Zope-2.3.1-linux2-x86/lib/python/Products/ZCatalog/Catalog.py", line 542, in _indexedSearch r=index._apply_index(args) File "/l01/Zope-2.3.1-linux2-x86/lib/python/SearchIndex/UnIndex.py", line 388, in _apply_index for k, set in setlist: File "/l01/Zope-2.3.1-linux2-x86/lib/python/ZODB/Connection.py", line 524, in setstate raise ConflictError(`oid`, `object.__class__`) ConflictError: ("'\\000\\000\\000\\000\\000\\000\\035E'", '<extension class BTree.BTree at 401b800c>') Traceback (innermost last): File /l01/Zope/lib/python/Products/Xron/Dispatcher.py, line 62, in Timer File /l01/Zope/lib/python/Products/Xron/Schedule.py, line 111, in armed_event (Object: Traversable) File /l01/Zope-2.3.1-linux2-x86/lib/python/Products/ZCatalog/Catalog.py, line 651, in searchResults File /l01/Zope-2.3.1-linux2-x86/lib/python/Products/ZCatalog/Catalog.py, line 542, in _indexedSearch File /l01/Zope-2.3.1-linux2-x86/lib/python/SearchIndex/UnIndex.py, line 388, in _apply_index File /l01/Zope-2.3.1-linux2-x86/lib/python/ZODB/Connection.py, line 524, in setstate ConflictError: ("'\\000\\000\\000\\000\\000\\000\\035E'", '<extension class BTree.BTree at 401b800c>') ------ 2001-04-05T14:44:39 PROBLEM(100) Products.Xron.Loggerr Dispatcher thread is terminating.

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