February 2001 - Zope-Dev

How to get the mailing list to work
by Michael Bernstein 03 Feb '01

03 Feb '01

Just address your emails to zope-dev(a)mail.zope.org

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test, please ignore
by Michael Bernstein 03 Feb '01

03 Feb '01

test

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Fwd: [Zope-ZEO] zope+zodbc+zeo issues
by J�lio Dinis Silva 02 Feb '01

02 Feb '01

>From: "Júlio Dinis Silva" <juliodinis(a)hotmail.com> >To: zope-zeo(a)zope.org >Subject: [Zope-ZEO] zope+zodbc+zeo issues >Date: Wed, 31 Jan 2001 18:46:16 -0000 > _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

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Can't start Zope (Python 2.0 , BSDI 4.0 , Zope 2.3.0b3) => ImportError: cannot import name DateTime
by Emmanuel DISCORS 02 Feb '01

02 Feb '01

Hi all, Having this Traceback with Zope 2.3.0 & 2.3.0b3 Can I do something to start the server ? Thanks. Emmanuel. ========= bash-2.02$ ./start Traceback (most recent call last): File "/usr/local/apache/htdocs/commercial/advl/zope/Zope-2.3.0-src/z2.py", line 565, in ? exec "import "+MODULE in {} File "<string>", line 1, in ? File "/usr/local/apache/htdocs/commercial/advl/zope/Zope-2.3.0-src/lib/python/Zope/__init__.py", line 95, in ? import Globals, OFS.Application, sys File "/usr/local/apache/htdocs/commercial/advl/zope/Zope-2.3.0-src/lib/python/Globals.py", line 90, in ? import Acquisition, ComputedAttribute, App.PersistentExtra, os File "/usr/local/apache/htdocs/commercial/advl/zope/Zope-2.3.0-src/lib/python/App/PersistentExtra.py", line 89, in ? from DateTime import DateTime ImportError: cannot import name DateTime bash-2.02$

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Re: [Zope-dev] Fw: [Zope-dev] Storing session objects in a ZODB
by Andy McKay 01 Feb '01

01 Feb '01

> Im storing session-like data pickled inside the URL. I end up with > long, ugly-looking URLs, but it does mean that a browser's bookmarks > and back button work as expected, effectively 'undoing' changes made > to thier session state. > > This solution also avoids the problem of finding enough storage on the > server to store multiple revisions of each session. This solution is common and works great, but Ive never really liked it myself since it involves munging URL's and making them look ugly. I like nice short URL's I can email. In my more situation specific solution I give access to the stored session snapshots along the lines of ....?load_ssn=Default will load in the session named "Default" for that user allowing them to be bookmarked... -- Andy McKay.

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[ANN] M2Crypto 0.06 snapshot #2 -- ZServerSSL
by Ng Pheng Siong 01 Feb '01

01 Feb '01

Hi, A new snapshot of M2Crypto is now available. The major change: ZServerSSL Rides Again ------------------------ Whew! It's been a year! ZServerSSL was last released on 1 Feb 2000 for Zope 2.1.3. It has now been dusted off and re-released for Zope 2.3.0. Tested with Zope-2.3.0-win32-x86 with M2Crypto for Python1. Tested with Zope-2.3.0-src on FreeBSD with M2Crypto for both Python1 and Python2. Interoperated with Netscape, IE and Opera on Win32, and also Netscape on FreeBSD. Beware browsers with broken HTTP/1.1 - they drive ZServerSSL to 100% CPU utilisation: An example is Netscape Communicator 4.72 on my FreeBSD boxen. (Or maybe it's ZServer's HTTP/1.1 that's broken. ;-) X.509 certificate-based client authentication for HTTPS and the encrypting monitor, both features of the ZServerSSL released a year ago, to come RSN! As usual, get M2Crypto here: http://www.post1.com/home/ngps/m2 Feedback is appreciated. Cheers. -- Ng Pheng Siong <ngps(a)post1.com> * http://www.post1.com/home/ngps

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Broken FTP ZClass PUT 2.3.0
by Sean Treadway 01 Feb '01

01 Feb '01

Hi all, I have recently upgraded to 2.3.0 and it has broken my FTP support. When I try to do an FTP upload to an instance of my ZClass, it fails because it is calling the default PUT of a webdav.Collection instead of the PUT of my python base class. My setup is such: A Python product with a ObjectManger(ish) base class that overrides PUT to do special manipulation of large files. I have a bunch of ZClasses that inherit from my base classes for the management pages, meta data handling and 'live' updates. Now, instead of PUT being called on my base class, it is being called on webdav.Collection which throws an exception. In 2.3.0 ZClass inherits Base, webdav.Collection and SimpleItem where in 2.2.x ZClass only inherits from SimpleItem. Is there any way to get my old functionality back (without editing Zope)? -Sean

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Re: [Zope-dev] Fw: [Zope-dev] Storing session objects in a ZODB
by Chris McDonough 01 Feb '01

01 Feb '01

A strategy for integrating this into the session-tracking stuff would be: 1. Write all of your code to use the session tracking API. 2. Pass separate state info in the URL like you're doing now. 3. Copy the URL state into the current session on every request. This is probably not very desirable for you Toby, especially as you already have something working! ;-) The session tracking stuff doesn't buy you very much. I'd be interested, however, to get a strategy down in writing for using the session tracking stuff to do what you're doing, as it's very useful. ----- Original Message ----- From: "Toby Dickenson" <mbel44(a)dial.pipex.net> To: "Chris McDonough" <chrism(a)digicool.com>; <andym(a)ActiveState.com> Cc: <zope-dev(a)zope.org> Sent: Thursday, February 01, 2001 9:00 AM Subject: Re: [Zope-dev] Fw: [Zope-dev] Storing session objects in a ZODB On Wed, 31 Jan 2001 14:28:09 -0500, "Chris McDonough" <chrism(a)digicool.com> wrote: >This is a forwarding of an interesting session-related discussion between >Andy and I... it covers the idea of storing session states as "snapshots" at >a particular time, later allowing users to select a session state. This is >useful if you wish to allow users to make incremental changes to data in a >session and "bookmark" a session state for later copying into the current >session. This is something that the "bare" session tracking stuff won't do >for you, although it can facilitate it tremendously. > >Input welcomed! Ive been doing something similar for a while, which I know Ive mentioned to Chris before, but I think this was before Andy joined the list.... Im storing session-like data pickled inside the URL. I end up with long, ugly-looking URLs, but it does mean that a browser's bookmarks and back button work as expected, effectively 'undoing' changes made to thier session state. This solution also avoids the problem of finding enough storage on the server to store multiple revisions of each session. At the moment this isnt based on 2.3.0's session support. I havent yet looked at that and dont know how well it would integrate, although I do hope to do that at some time. Toby Dickenson tdickenson(a)geminidataloggers.com

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Python Script Wish
by Chris Withers 01 Feb '01

01 Feb '01

Hi, Python Scripts are great :-) I wish I could create them through FTP. Basically, if you try to save a something.py into Zope through FTP, it currently creates a file object with the MIME type set to x-python. It's be really great if it coudl create a Python Script instead. Is that hard to do? Are there any gotchas? cheers, Chris

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Re: [Zope-dev] Poor programming practice?
by Robin Becker 01 Feb '01

01 Feb '01

In article <004f01c08c01$c984bf70$6401a8c0@home>, Darrell Gallion <darrell(a)dorb.com> writes >Doesn't this undo the damage? > >from medusa.ftp_server import recv_channel >handle_close=recv_channel.handle_close >import Zserver.FTPServer >recv_channel=handle_close > >--Darrell > There's only one method in the class, changing it, changes for all so far as I can tell. If I compete to set my handle_close with another it depends on the order of import. -- Robin Becker

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