[Zope-dev] wsgi/paste pipelines in Zope 2 or 3?
I've been doing a lot of work with Paste in the past year, cutting down on my deployments of Zope. Now I'm taking a new look at Zope 3 and Zope 2, and wondering if it's possible to use paste pipeline/filter in either version of Zope. I've looked at http://cheeseshop.python.org/pypi/zope.paste and http://awkly.org/archive/zopepaste-wsgi-applications-in-zope-3-using-pastedeploy/ But what I need is not just a wsgi application hosted in Zope, but rather, a wsgi filter that can intercept the call chain during traversal. Has anyone else encountered this need or have thoughts about it? Thanks (ps, I have something like xslfilter, but using wsgi and libxml2 and also an XSL version of TAL/METAL that I'd like to use in Zope) -- Brad Clements,[EMAIL PROTECTED](315)268-1000 http://www.murkworks.com AOL-IM or SKYPE: BKClements ___ Zope-Dev maillist - Zope-Dev@zope.org http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope] Re: Zope's Webdav port for RESTful web service
On 29 Nov 2005 at 9:53, Chris Withers wrote: Brad Clements wrote: PythonScript.py line 368 or so def PUT(self, REQUEST, RESPONSE): ...well, you could always subclass and override ;-) Plus that method is protected by Change Python Scripts permission as well. Why is that a problem? My point was that I wanted to create a REST compliant interface in PythonScript, without having to create any Zope products. That is not possible given the current design. Just a simple statement, that is all. -- Brad Clements,[EMAIL PROTECTED](315)268-1000 http://www.murkworks.com AOL-IM or SKYPE: BKClements ___ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Re: Zope's Webdav port for RESTful web service
On 28 Nov 2005 at 8:26, Tres Seaver wrote:
requests onto *any* publishable method, which means that you have to
try hard to abide by the RESTriction. Zope also supports using PUT
for resource creation, which the REST folks don't seem to get.
I'm not sure what part REST folks don't seem to get regarding PUT.
But in any case, I have not been able to get PUT to work in a
PythonScript in Zope 2.7.2 because PythonScript objects have a PUT
method that assumes it's a DAV upload.
PythonScript.py line 368 or so
def PUT(self, REQUEST, RESPONSE):
Handle HTTP PUT requests
self.dav__init(REQUEST, RESPONSE)
self.dav__simpleifhandler(REQUEST, RESPONSE, refresh=1)
self.write(REQUEST.get('BODY', ''))
RESPONSE.setStatus(204)
return RESPONSE
Plus that method is protected by Change Python Scripts permission as
well.
--
Brad Clements,[EMAIL PROTECTED](315)268-1000
http://www.murkworks.com
AOL-IM or SKYPE: BKClements
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Re: [Zope-dev] Making a ZSQL.DA fully multi-threaded?
On 25 Jul 2004 at 23:22, Dieter Maurer wrote: If a connection is dropped due to inactivity it should not affect any transactions going to occur in the future as a reconnect is issued before submitted new transactions. However, connections can be lost for other reasons than inactivity... I think this is why the thread has gone on so long. I'm ONLY talking about idle timeout drops, and nothing else. gvibDA and sapdbi make a distinction between idle timeout disconnects and others, since they know when the server has dropped them due to inactivity. -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Making a ZSQL.DA fully multi-threaded?
On 23 Jul 2004 at 10:58, Chris Withers wrote: Dieter Maurer wrote: All DA's I saw up to now, do a reconnect. ZOracleDA didn't... But this is *WRONG -- as part of a transaction may have been lost. After reconnecting, they should raise an exception derived from ConflictError and let the complete request retry. Perhaps I don't understand, but how could their be a missing transaction? Zope starts, connects to database Zero or more transactions occur Zope is idle for some period of time Z new transaction arrives, some transactions occur in ZODB. A transaction is attempted on a database connection. The DA gets a 'your connection has timed out' error from the db connection. It reconnects, it retries the transaction, no error occurs, so DA returns success. This is the way gvibDA works. It reconnects and retries. Where are transactions lost in this scenario? Remember, I'm talking about the DA catching connectioned timed out due to idle activity, and no other DB exceptions. -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Making a ZSQL.DA fully multi-threaded?
On 23 Jul 2004 at 20:08, Dieter Maurer wrote: The bad sequence can look as follows: * Zope starts a request (and thereby a transaction) * The request sends a modifying request to a relational database * The connection is lost; the former modification is discarded as the database performs an automatic abort on connection close The former modification cannot be lost because it was commited by the DA as part of the previous transaction. At least, gvibDA performs a database commit as part of the overall transaction machinery. So again, I don't see the loss.. -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Making a ZSQL.DA fully multi-threaded?
On 21 Jul 2004 at 16:44, Chris Withers wrote: My point is that unless you implement a connection pool model independent of Zope's threading, you WILL run into problems if you have ANY kind of timeout where the DA isn't smnart enough to reconnect connections that have closed... I understand. sapdbapi is *supposed* to reconnect on timeout. Tada: You made sure that one connection will get used and you won't get stale ones being timed out and then randomly selected for use at some later point ;-) I disagree that this was the cause of the segfaults, since I had segfaults within minutes of starting zope with more than 1 thread, way less than the timeout time. Either that or restructure the DA like I did for ZOracleDA ;-) I want to do that. Hope my client will pay for it ;-) -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Making a ZSQL.DA fully multi-threaded?
On 19 Jul 2004 at 7:44, Chris Withers wrote: Brad Clements wrote: What's the actual problem you're experiencing? I have set the SAPDB timeout to 32400 seconds. Unless you have an extremely heavily loaded Zope, that's too low, and may be causing you problems... That is the maximum allowed value in dbmgui. Anyway, after setting Zope to be single threaded, I have not had any segfaults. Perhaps I'm wrong on the 'exact' value. I set it to the maximum allowed, perhaps its 324000 seconds. I know it's more than a day so the first number above must be a typo. -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
[Zope-dev] UnpickleableError using SESSION in 2.7.2RC1
Can sessions store instance objects created by an external method?
I'm running Python 2.3.4 (also happens with 2.3.2)
I also get this error with Zope 2.7.0
I'm trying to save a simple instance in a session. The instance is created in an
external
method. I can't figure out why I get this error at the end of the transaction:
Traceback (innermost last):
Module ZPublisher.Publish, line 107, in publish
Module Zope.App.startup, line 222, in commit
Module ZODB.Transaction, line 236, in commit
Module ZODB.Transaction, line 351, in _commit_objects
Module ZODB.Connection, line 416, in commit
- __traceback_info__: (('Products.Transience.TransientObject', 'TransientObject'),
'\x00\x00\x00\x00\x00\x00\x00%', '')
UnpickleableError: Cannot pickle extension class Acquisition.ImplicitAcquirerWrapper
at
409d7800 objects
My external method looks like this::
def CreateInstanceItem(**kw):
Generate an instance item
return InstanceItem(**kw)
And the InstanceItem is::
class InstanceItem(object):
__allow_access_to_unprotected_subobjects__=1
def __init__(self,**kw):
Initialize
self.__dict__ = kw
print Created instance, self
def __repr__(self):
return repr(self.__dict__)
I get output like this from bin/runzope
Created instance {'dn': 'cn=brad,ou=sfiusa,ou=Public,dc=strader-ferris,dc=com',
'isManager':
1, 'preferences': None, 'firstname': 'Brad', 'orgname': 'Ross Video Ltd.', 'lastname':
'Clements', 'userid': '[EMAIL PROTECTED]', 'emailaddress': '[EMAIL PROTECTED]',
'user':
[EMAIL PROTECTED], 'orgid': 'rv', 'isCustomer': 1, 'uid': 3.0}
And my python script that calls the CreateInstanceItem looks like this::
I = container.CreateInstanceItem(userid=userid,
orgid=orgid,
dn=dn,
firstname=firstname,
lastname=lastname,
user=user, # zope user
uid=uid,# our internal uid
preferences=preferences and None,
emailaddress=emailaddress,
orgname=orgname,
isManager=isManager,
isCustomer=isCustomer)
SESSION['user_details'] = I
It seems like the 'I' object is wrapped somehow. From this script I tried
SESSION['user_details'] = I.aq_base
But I got an attribute error, possibly that's a security thing hiding aq_base.
Is there any way to store an instance in a SESSION?
--
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[Zope-dev] APE and .svn folders, broke ZMI
Hi, I've run into a problem with Ape and I cannot determine if it's caused by a change in Python version, Zope version or Ape version. I have this problem with Ape 0.71, 0.8, and 0.81 And, Zope 2.7.1 and 2.7.2RC1 and Python 2.3.4 Basically, I use subversion to control my file-system files, so each folder that Ape uses also has a .svn subfolder. Sometime, probably when upgrading from Zope 2.7.0 to 2.7.1, the folders (which I think used to show up as .svn) are now showing up w/o a name. So, clicking on the folder (which corresponds to the modification time of the .svn folder), would send me to this URL http://server3.strader-ferris.com:7180/Strader/P/FS/Customer//manage_workspace (note the double slash at the end) I don't need to access .svn folders. But, now I cannot use ZMI to create objects in any Ape hosted folder. I get an error. Error Type: FSWriteError Error Value: Not a legal object name: '' Traceback (innermost last): Module ZPublisher.Publish, line 107, in publish Module Zope.App.startup, line 222, in commit Module ZODB.Transaction, line 236, in commit Module ZODB.Transaction, line 351, in _commit_objects Module apelib.zodb3.connection, line 294, in commit Module apelib.zodb3.storage, line 162, in store Module apelib.core.io, line 110, in store Module apelib.core.gateways, line 85, in store Module apelib.fs.structure, line 124, in store Module apelib.fs.connection, line 270, in write_directory FSWriteError: Not a legal object name: The above traceback occured, for example, when trying to create a file object called 'xyz'. -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Making a ZSQL.DA fully multi-threaded?
On 16 Jul 2004 at 8:57, Chris Withers wrote: This often means that many more database connections are opened than are actually necessary. And if you start timing out inactive database connectiosn on the database side, you're in for a world of pain and suffering. I branched ZOracleDA some time ago to move away from this model for that very reason... What's the actual problem you're experiencing? I have set the SAPDB timeout to 32400 seconds. However when running with more than 1 thread I still get mysterious segfaults in the sapdbapi component. The SAP folks say their adapter is multi-thread capable, but I've come to believe that only means that it's ok to open a connection in one thread and use it in another, but NOT to have 2 threads make requests on the same connection at the same time. Also, two threads can' t open a connection at the same time because their connection table management isn't thread safe. What I need, I suppose, is a DB connection pool mechanism of some kind. I also have Python extensions that need a connection as well. Getting the actual database connection from a DA stinks (ie, it's not really possible). I'd like to see an API extension to ZopeDA's to allow Pythonscripts, Products and external methods get an actual db connection. But that I suppose is a problem to solve later. I think I will take a look at ZOracleDA to see what you did. -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Making a ZSQL.DA fully multi-threaded?
On 16 Jul 2004 at 11:38, Andy Dustman wrote: Also, two threads can' t open a connection at the same time because their connection table management isn't thread safe. That does suck, but it doesn't seem like an insurmountable problem for a DA. You just need a per-DA instance mutex which you acquire before opening a connection release afterwards. Someone else said that every thread has it's own copy of ZODB, hence their own copies of each DA. So putting the mutex on the DA won't help this, will it? -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
[Zope-dev] 2.7 series dropped PASV_FTP_PORTRANGE
In the 2.6 series I submitted a patch to support specifying the range of tcp ports to use on the server for pasv ftp transfers. I still need this functionality, but I see that the environment variable hack isn't in medusa/ftp_server.py I thought perhaps something in zope.conf would specify this, but it seems not to be there. In fact, I see no clean way to pass port range information from ZServer.FTPServer to medusa.ftp_server (hence why we used an environment variable hack in the past) For my use case, the pasv port range is always near the range used by the listening ftp daemon anyway, so a simple solution for me is to look at the control connection port and just find an open port that is nearby. However the better solution, I suppose, is to allow the port range to be specified in zope.conf. But what's the best way (architecturally) to cleanly get this information into medusa's ftp_server.py module? -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
[Zope-dev] Making a ZSQL.DA fully multi-threaded?
I am using ZsapdbDA with SAPDB (now MaxDB) and have run into problems when Zope has more than one thread. The folks at SAP suggest that there should be one database connection per thread, rather than sharing one connection across threads. I haven't yet looked at the Zsapdb source, but I think it has only one connection for all threads. Is there a document somewhere that explains how to make variables thread private in Zope? I vaguely recall something about one cache per thread, or that variables are read- only shared unless updated by a thread, and then they're copied.. This is probably quite wrong, but obviously I just don't understand how data and threading works in Zope. So, I'm looking for a document that explains this clearly. How to have data that is not shared between threads (perhaps a kind of connection pool thingy). Also, I have other projects where I really want to have just one object of it's kind no matter how many threads. For example, gvibDA uses Thunked_TM for this, but that doesn't really work with ZSQLDA because I've seen that multiple connect calls are made, even with the THUNKED_TM. Is there a Zen Of document about this somewhere? Thanks -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: Zope + Ape + Subversion (was: RE: [Zope-dev] Using a truely revis ion based storage for Zope ?)
On 12 Apr 2004 at 18:03, [EMAIL PROTECTED] wrote: Anyways, I'm just rambling by now ... Comments, thoughts and constructive criticism welcome ! This sounds wonderful! Regarding versions. Perhap you can have a control panel setting that selects the branch to publish by default. The ZMI could offer another mechanism that uses cookies to select the desired branch or version That is, a branch name or PREV, HEAD etc. But, I use jEdit and FTP for most of my Zope work, so would really like to have a way to access version/branches via FTP. Maybe that can be done by having pseudo subdirectories named after revisions or branches. So /myFolder/.Prev/index_html would do what you expect (note you can't save to old versions anyway ..) -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] DateTime stftime and TAI based timezone is broken or is it?
On 2 Dec 2003 at 13:39, Jamie Heilman wrote:
y = DateTime.DateTime(dx) y
DateTime('2003/12/01')
y.strftime(%a %b. %d)
'Sun Nov. 30'
y.strftime(%a %b %d %H:%M:%S)
'Sun Nov 30 23:59:38'
Lovely. Its always bugged me that DateTime carried all its own zone
information, but I guess even the datetime python modules punt in this
regard. What I'm currious to know is how this caused problems for
you, or your clients. I'd like to avoid those problems myself if I
can help it.
My legacy site has a lot of dtml-var somedatetimeobject fmt=%a %b %d
this writes out the wrong day, because somedatetimeobject is just like you show above.
Also, I get different results instantiating a DateTime object with a string, vs. parts
DateTime(y,m,d,h,m,s) vs. DateTime('-MM-DD HH:MM:SS')
Why can't Zope just dynamically load the tzfile data as appropriate from the system if
it
can?
--
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Re: [Zope-dev] re: DateTime stftime and TAI based timezone is broken or is it?
Perhaps there's a .c file kicking around somewhere that extracts data from tzfile. Anyone remember? I checked csv and can't find it. On 2 Dec 2003 at 7:54, Chris McDonough wrote: Gurg. If there is such a beast, I never saw it... you may just want to add it directly. On Mon, 2003-12-01 at 16:45, Brad Clements wrote: I think adding right/EST5EDT tzfile info to DateTimeZone.py might solve my problem. Can someone email me the .py script used to create the DateTimeZone.py file? -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
[Zope-dev] DateTime stftime and TAI based timezone is broken or is it?
Yesterday I switched my Linux machines to use clockspeed 0.62 and therefore had to
switch to the right/EST5EDT timezone.
Today my client calls rather upset that lots of data has disappeared from his
database,
etc..
So while I have found and fixed a bunch of timezone conversion problems in my code,
I'm stumped by DateTime.strftime().
I'm working with Zope 2.6.0 but the code is the same in 2.7.0b2
Basically, I get this situation:
dx
'2003-12-01 00:00:00'
y = DateTime.DateTime(dx)
y
DateTime('2003/12/01')
y.strftime(%a %b. %d)
'Sun Nov. 30'
y.strftime(%a %b %d %H:%M:%S)
'Sun Nov 30 23:59:38'
y.Time()
'00:00:00'
So, the DateTime object knows the correct year, month and day, it's mishandling of
'diff' in strftime is a problem. I can't quite figure out what the regex does in the
code
below, but diff is 22 seconds off from the regular timezone offset. That's will be
lost in
the divide by 36.
The timezone offset that _tzoffset calculates is wrong:
DateTime._tzoffset(y._tz, y._t)
-18000
Because
y._tz
'US/Eastern'
(but it should be 'right/EST5EDT')
What's the best way for me to fix this? I'll submit a patch if I can get a clue.
Btw, the timezone right/EST5EDT isn't in DateTime's timezone listing. Shouldn't Zope
get this data from Python?
I'll remark that Python doesn't know about the 'correct' offset either.
import time
time.tzname
('EST', 'EDT')
time.timezone
18000
Well now I'm stuck, I've set /etc/localtime and /usr/share/zoneinfo/posixrules
correctly,
and date returns the correct time.
However even forcing TZ with Python 2.3 doesn't work correctly.
sh-2.05b$ TZ=right/EST5EDT python2.3
Python 2.3.2 (#2, Nov 6 2003, 10:44:39)
[GCC 3.2.2 20030222 (Red Hat Linux 3.2.2-5)] on linux2
Type help, copyright, credits or license for more information.
import os
os.environ['TZ']
'right/EST5EDT'
import time
time.timezone
18000
time.tzname
('EST', 'EDT')
time.tzset()
time.tzname
('EST', 'EDT')
time.timezone
18000
How does time.localtime() know the correct timezone offset, but time.timezone is not
correct?
time.localtime(); os.system('date')
(2003, 12, 1, 12, 55, 25, 0, 335, 0)
Mon Dec 1 12:55:25 EST 2003
-
DateTime.py
def strftime(self, format):
# Format the date/time using the *current timezone representation*.
diff = _tzoffset(self._tz, self._t)
format = re.sub('(^\|[^%])%z',
'\\1%+05d' % (diff / 36),
format)
return strftime(format, safegmtime(self.timeTime() + diff))
--
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[Zope-dev] re: DateTime stftime and TAI based timezone is broken or is it?
I think adding right/EST5EDT tzfile info to DateTimeZone.py might solve my problem. Can someone email me the .py script used to create the DateTimeZone.py file? -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Zope and interbase
On 29 Oct 2003 at 17:41, Paulo Lobo wrote: Pessoal, é o seguinte: Guys, i have a problem... i'm working on a site with Zope and Interbase, and sometimes some strange things start to happen... when a lot of requests are made, for example, if someone press F5 and keep it pressed, zope locks and interbase too if we acess a page that doesn't uses Interbase, in the same server, zope doesn't locks, even if we try to acess it with more than one user at a time i think that's something wrong with my Interbase connector. I'm using ZFirebird, because we already had this problem with L Interbase Connector. If someone could show mea betterInterbase connector ou another form of solving this problem, i would be glad... We have been using Interbase/Firebird with gvibDA for a couple of years and experience the same problem. I think there's a bug in the firebird/interbase gds library that fails under multi-threading conditions. The gvibDA is thunked, but gds still hangs under heavy load. So, we're migrating to SAP DB, which is also much faster than Firebird (at least for our use case) -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Versions: should they die?
Sorry if is OT. I'd like ZODB and Zope to support Revisions. That is, historical copies that do not get removed when ZODB is packed. Does the Version mechanism contribute to this kind of functionality? I'd like to be able to tag revisions of wiki pages and other documents, and then be able to diff them later without having to create a special kind of product for each object type that I'd like to use revisions for. Maybe this is kind of the reverse way of doing what versions are for. We have used versions a little to work on a live site. What would be interesting is using revisions (with tags), then telling Zope to serve only objects with this revision or older, or the current object if no revisions are on file for that object. And .. the serving up of a particular tag would be set on a Zserver instance. So, I could continue to use ZMI as normal, but run another zserver on a different port (the one that feeds the world) with a particular revision. Or I could do this with ZEO. Probably there's too much overhead in this idea. -- Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax http://www.wecanstopspam.org/ AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
[Zope-dev] ZEO 2.0 testConnection() takes 30 seconds (MountedStorage)
I'm using mounted storage.. Whenever my Zope server restarts, it takes 30 seconds
after the first web hit before it's really up and running because testConnection() is
called by somebody.
1. Why does testConnection() take 30 seconds to run, or is it something else?
2. Why is testConnection() being called at all, since there is only one server so
there's
nothing to fall back to?
Anyone have any ideas where to look for more clues? Maybe it's not testConnection..
2002-11-08T13:57:27 INFO(0) ZODB Opening database for mounting:
{'host':'localhost','port':'4400','storage':'Common',}
--
2002-11-08T13:57:27 INFO(0) ZCS:4080 ClientStorage (pid=4111) created RW/normal for
storage: 'Common'
--
2002-11-08T13:57:27 INFO(0) ZEC ClientCache: storage='Common', size=20971520;
file[0]='/home/bkc/Zope/Manage/var/cCommon-Common-4400-0.zec'
--
2002-11-08T13:57:27 INFO(0) ZCS:4080 Testing connection ManagedConnection
('127.0.0.1', 4400)
--
2002-11-08T13:57:57 INFO(0) ZCS:4080 Connected to storage
--
2002-11-08T13:57:57 INFO(0) ZEC read_index: cache file 0 has 122 records and 386963
bytes
--
2002-11-08T13:57:57 INFO(0) ZODB Mounted database
{'host':'localhost','port':'4400','storage':'Common',} at Managers/Common
Exception exceptions.AttributeError: Connection instance has no attribute
'_Connection__connection' in method Connection.close of Connection instance at
0x8bea73c ignored
Brad Clements,[EMAIL PROTECTED] (315)268-1000
http://www.murkworks.com (315)268-9812 Fax
AOL-IM: BKClements
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Re: [Zope-dev] My 2.6.0 feature patch didn't make it!?
On 30 Oct 2002 at 11:25, Chris Withers wrote: Brad Clements wrote: http://dev.zope.org/Wikis/DevSite/Projects/Zope2.6/ProposedFeatures But the passive port range patch didn't make it into 2.6 Do you have CVS access? No. I emailed both sets of patches to .. Brian (?) at the same time. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] My 2.6.0 feature patch didn't make it!?
I submitted 2 features to 2.6, gzip compression ftp pasv port range spec the first one made it, the 2nd one didn't. Both are listed as comitted and vetted on http://dev.zope.org/Wikis/DevSite/Projects/Zope2.6/ProposedFeatures But the passive port range patch didn't make it into 2.6 Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] ZClass object - FTP Upload fails
I have a Zclass whose bases are: ZObject, ZDTMLDocument, _ZClass_for_Renderable I am unable to FTP upload an existing instance. That is, HTML-Kit can open an instance and view the body source, but when I hit save I get an FTP error 426 could not create file. The instance does not have an extension in it's id (i.e., the object id is overview), and I do not have a Zope mapping of file extensions to this ZClass type. 1. Does the FTP server see STOR as a new create process, in which case I need to add an file extension to the object id AND create a mapping so Zope knows what type of object to make? (I think not, since I don't want to create a new object, just upload the body again) 2. How can I diagnose this error more? Where do I look? 3. Is there some obvious permission setting I haven't turned on for my ZClass? (I have FTP access mapped to Change DTML Methods in the corresponding Product Define permissions tab. Though I don't see Ftp access as a permission on this zclass under define permissions on the class, but it is shown as an inherited permisson. 4. Shouldn't I be inheriting a PUT method from the ZDTMLDocument class? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Re: Passive ftp for zope.
PASV ftp support has already been integrated into Zope 2.6 Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Potential Improvements for xml-rpc debugging
On 30 Aug 2002 at 10:10, Casey Duncan wrote: Now my question is whether this is a good thing in general. I like it especially when accessing Zope using Python's xmlrpclib, but do any of have reasons for keeping the html tags in the fault string? No, drop the HTML! I do a lot of xml-rpc with IE 5.5 clients, and getting a fault is a pita. I keep modifying xmlrpc.py (each time I update Zope) to print the traceback on the server, but that's a pita. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] Can't followup to bug 525 - Collector problem, DIFF attached
I'm trying to submit a patch to collector item 525 After I login, I select followup and enter text and path to the patch file. When I hit submit, I'm prompted to login again. If I do login again, I get a very ugly Zope error, most likely because the attached file isn't in the redirected request. Here's the diff with Zope 2.5.1 to fix this problem by redirecting unauthorized exceptions to the real HTTPResponse object *** orig-251/xmlrpc.py Mon Aug 19 09:15:28 2002 --- xmlrpc.py Mon Aug 19 09:23:05 2002 *** *** 22,27 --- 22,29 import sys from HTTPResponse import HTTPResponse import xmlrpclib + + from zExceptions import Unauthorized def parse_input(data): Parse input data and return a method path and argument tuple *** *** 118,124 # traceback object. if type(info) is type(()) and len(info)==3: t,v,tb = info else: t,v,tb = sys.exc_info() ! # Create an appropriate Fault object. Unfortunately, we throw away # most of the debugging information. More useful error reporting is # left as an exercise for the reader. --- 120,130 # traceback object. if type(info) is type(()) and len(info)==3: t,v,tb = info else: t,v,tb = sys.exc_info() ! ! if t == 'Unauthorized' or t == Unauthorized or ( ! isinstance(t, types.ClassType) and issubclass(t, Unauthorized)): ! return self._real.exception(fatal=fatal,info=info) ! # Create an appropriate Fault object. Unfortunately, we throw away # most of the debugging information. More useful error reporting is # left as an exercise for the reader. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] Patch for 525, oops
add import types to the modified xmlrpc.py Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] passive FTP to Zope with a specified port-range
On 2 Aug 2002 at 11:53, Mr Tobias Schiebeck wrote: I'm trying to modify the zope ftp-access to specify a port range within the server selects the ports for the passive ftp communication with the ftp-clients. This is in order to have the Zope server behind a firewall blocking more then the privileged ports only. This feature has already been added to Zope 2.6 as a patch. I originally added it to Zope 2.5, so I think you can just copy the 2.6 ftp_server from CVS and drop it into your current Zope to get it to work. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] Singleton DA possible?
The gvibDA interbase adapter really must have exactly one database connection shared among all threads. Even though the DA is derived from THUNKED_TM, there are still multiple instances of the DA created, one for each thread (depending on server load). What I really want is one DA that is controlled through a thread-lock for all threads. I realize I may need to create a proxy object.. any suggestions on how best to design this? -- Also, even running Zope with -t 1, I still sometimes get 2 DA objects. I can even see that the __del__ method on the earlier DA instance is being called. But that still messes it up. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] AFS authentication with Zope
On 11 Jun 2002 at 15:30, Carlo Giomini wrote: Hi to all, I need to make Zope perform an AFS-based authentication: any suggestions/hints/knowledge/resources? Thanks, Carlo. Which direction do you want to go? 1. You want Zope user folder to be an authentication source for AFS? (not possible), 2. or you want Zope to authenticate to an existing AFS domain? (possible) I've done the later, used SWIG to wrap some AFS functions and created a userFolder object to authenticate to AFS. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] How to actually submit contributions for 2.6?
I have two pending suggestions on the wiki. I'm ready to submit code/patches. What is the actual mechanism I should use? Just put patches into bug tracker? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Trapping Interbase Error Codes
On 8 Mar 2002 at 20:58, Dieter Maurer wrote: Beverly Dolor writes: I'm currently doing a program on Zope 2.5 using gvibDa as my database. I would like my program to trap Interbase error codes such as (isc_deadlock, isc_lock_conflict), the problem is I'm still at a lost on how to do this. How are these errors shown to you? I do not know Interbase and the corresponding adapters. For Oracle (DCOracle2), Oracle errors are mapped onto a standard exception, but the exception detail contains the Oracle error number. Thus, looking at this number, I would be able to provide error specific information. Checking specific error codes from within Zope is a PITA because of access control on the Exception object. You'll need to modify gvibExceptions.py, add doc strings to def getSqlCode(self) and other methods.. And probably add __roles__=None __allow_access_to_unprotected_subobjects__=1 hack lines to Exception class defs. OTH, if you use an external method to process the gvib request, or create an external method that can extract the sqlCode for you.. then you wouldn't need these mods. def getSqlCode(exceptionObject): Return the sqlcode return exceptionObject.getSqlCode() Then when you get an exception, pass the exception object to the external method to get the sqlcode. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Adding gzip compression to HTTPResponse.py
On 6 Feb 2002 at 10:02, seb bacon wrote: I don't have much useful to add - I just wanted to mention that I know there are people out there who have succesfully used mod_gzip with Zope; and that I *like* the name dogzip :-) That's my dog, zip! Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Adding gzip compression to HTTPResponse.py
On 6 Feb 2002 at 10:40, Toby Dickenson wrote: I think you also need to check the accept-encoding header, to allow for clients that do not know how to gunzip. That also means you should set caching headers to prevent the compressed and uncompressed responses getting delivered to the wrong clients by a cache. Right, but I couldn't figure out how to see the request headers from response.setBody Also, RESPONSE.setBody really should have access to REQUEST.headers. What's the clean way to do that? Just pass the request object to response object's init method? RESPONSE objects have a REQUEST attribute Are you sure? I know that request objects have a response object. But looking at publish.py doesn't look like it goes the other way. At the time, this type of auto-compressing proxies looked like they were just coming of age (http://rproxy.samba.org looked good at the time too). Unfortunately nothing has changed since. Today I think only Apache can do this (and has done for ages). Support in squid has stalled (http://devel.squid-cache.org/projects.html#te). Although I still think this is the way of the future, I suspect the short-term advantage of content-encoding the way you implemented it may be an advanatge for longer than I originally thought. I am using Apache with mod_rewrite. Sure, it'd be great to compression there, but Apache doesn't cache, you need squid for that, right? For non-xmlrpc responses I'd want the stuff cached. I agree, Transfer Encoding is the way to go, but based on remarks at: http://www.iol.ie/~alank/python/httpcomp.html#encoding I stuck with the simpler to understand content-encoding. -- Shouldn't downstream caching proxies ungzip a response if they get a connection from a client that doesn't support gzip? Or will they only do this if its Transfer-Encoded? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] Adding gzip compression to HTTPResponse.py
I'm looking for architectural suggestions for adding gzip compression to
HTTPResponse for text types.
First, I just wanted to compress xml-rpc output, since I'm returing lots of table data
as
XML text (not objects), then loading that text/xml into a DOM for XSLT processing.
I hacked the attached code into HTTPResponse, at the end of setBody. It works for
xml-rpc responses and I suppose any text output, so long as the response object has a
header named dogzip set.
I know dogzip is a stupid name, but this is just a testing thing.
Representative compressions:
compress oldlen 150366 new len 11926
compress oldlen 204382 new len 14170
compress oldlen 12746 new len 1364
As you can see, very useful compressions for xml-rpc output.
But for HTML output, what's really needed is I think a special kind of Cache Object.
One that combines HTTP Caching with Ram caching to keep gzip compressed objects
in memory.
Some HTML pages are really quite large, and gzip compression can make a noticable
difference. Just the javascript code sizes themselves are .. really big.
For xml-rpc, obviously every response must be compressed if it's worth it, and I can
see that having to set a response property on a per request basis is appropriate for
xml-rpc.
But for text file objects, Page Templates and stuff.. How does setBody work with Ram
Cache objects? I have some ideas...
Anyone think this is worthwhile?
Also, RESPONSE.setBody really should have access to REQUEST.headers. What's
the clean way to do that? Just pass the request object to response object's init
method?
Here's quick gzip compression hack-in, based on code posted by Neil Schemenauer
Thanks Neil.
Added about line 265 in HTTPResponse.py in Zope 2.5 B3
try:
dogzip = self.headers['dogzip']
del self.headers['dogzip']
if dogzip and split(content_type,'/')[0] == 'text':
body = self.body
startlen = len(body)
import zlib, struct
_gzip_header = (\037\213 # magic
\010 # compression method
\000 # flags
\000\000\000\000 # time
\002
\377)
co = zlib.compressobj(6,zlib.DEFLATED,-zlib.MAX_WBITS,
zlib.DEF_MEM_LEVEL,0)
chunks = [_gzip_header, co.compress(body),
co.flush(),struct.pack(ll,zlib.crc32(body),startlen)]
z = join(chunks,)
newlen = len(z)
print compress oldlen ,startlen,new len,newlen
if newlen startlen:
self.body = z
self.setHeader('content-length', newlen)
self.setHeader('content-encoding','gzip')
except:
pass
Brad Clements,[EMAIL PROTECTED] (315)268-1000
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netmeeting: ils://ils.murkworks.com AOL-IM: BKClements
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[Zope-dev] Exception in XML-RPC handling doesn't rollback?
I'm using a thunked_tm da (interbase, gvibDA) on Zope 2.5beta3 RH Linux 7.1 I'm handling an xml-rpc request in a PythonScript. If an exception is raised in the script after some operations have been performed on the DB, it seems that the xml-rpc exception handler does not rollback() pending transactions. In non-xmlrpc processing this works correctly, that is zodb and database transactions are rolled back by the exception handling code. I've looked at the xmlrpc code in ZPublisher, but can't quite figure out where the rollback handling should be in comparison to the regular http publisher. Can anyone suggest where I start looking so I can verify the behaviour I'm seeing and submit a patch? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Fat client thoughts, was: RE: [Zope] Zope + XML-RPC + native GUI
I'm working with IBM's Sash http://sash.alphaworks.ibm.com/ Unfortunately the client is programmed in Javascript.. -- I'm also doing a lot of DHTML, XML/XSLT browser based stuff on IE. So-called one- page web applications based on XML-RPC, works nice. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] xmlrpc and PyXML, FYI
Had some trouble getting strings to unpack because the xml-rpc client I'm using from IE 5 wraps strings in CDATA. Anyway, I installed PyXML 0.7 and changed Zope's xmlrpclib to use from _xmlplus.parsers import sgmlop and that solved the CDATA problem, plus it's faster. This is with Zope 2.5B3 Should Zope include PyXML components? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] DA connection pooling thoughts
Sorry if this is FAQ.. I've been reading the petrilli's DA how-to, and thinking about Thunked_TM. For Interbase, I'm thinking of trying a DB connection pool that threads can checkout. That is, each DB connection is serialized to be used by one thread only, but there can be multiple DB connections in a Zope process. We'd maintain a pool of connections from 1 to n.. and each thread making a DA request checks out a DB connection from the pool (if available) and uses it.. I'm trying to figure out of Zope already does this, that is, has one DB connection per thread if I took out Thunked_TM from the DB itself. Or is it that there are multiple DA's, and the DA uses on internal DB for all the DA's ? If Zope will re-entrantly call a DA and it's corresponding DB without Thunked_TM in- place, then having a connection pool (up to one for each thread) might be worthwhile.. I remember seeing something on the list about per-thread state information being available somewhere.. an oid jar or something? Anyone have pointers? Thanks Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] more than one user: zope 'hangs'
On 11 Dec 2001 at 15:30, Stephan Herschel wrote: We have got a funny problem in Zope: if user A issues a long-running query user B also has to wait in the meantime - zope just waits for A's query to finish. Bob's original design made gvibDA use ThunkedTM So I believe it is serialized. I think the reason for using Thunked was because under Windows, gds is not truly multi-threaded and dies. I do not recall exactly what the story is.. You're welcome to try it without the Thunked Mixin. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] reduce() doesn't work in Python Scripts
In Zope 2.4.3 binary on Linux import operator reduce(operator.add,[0,1,2,3,4]) gives me Error Value: global name 'reduce' is not defined Is this a faq? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] reduce() doesn't work in Python Scripts
On 6 Dec 2001 at 16:12, Romain Slootmaekers wrote: reduce(operator.add,[0,1,2,3,4]) try _.reduce() This is in a Python Script, I'm not using the DTML namespace. Note that map() and filter() work without a problem, so why not reduce() ? this shkould be clear enough as a message. zope can't find the reduce function. right, but it can find the other built-in functions okay. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] reduce() doesn't work in Python Scripts
On 6 Dec 2001 at 16:57, Romain Slootmaekers wrote:
In retrospect, I should have posted only 1 message instead of 3 :)
And I should have submitted a patch to the collector instead of posting here. :-(
Just not sure what is the right way to do this, here's my first pass:
def guarded_reduce(f,seq,**kw):
skip_unauthorized = kw.get('skip_unauthorized')
v = getSecurityManager().validate
safelist = []
if kw.has_key('init'):
i = kw['init']
if v(accessed=kw,name='init',value=i):
safelist.append(i)
elif not skip_unauthorized:
raise Unauthorized, 'unauthorized access to init'
for el in seq:
if v(seq, seq, None, el):
safelist.append(el)
elif not skip_unauthorized:
raise Unauthorized, 'unauthorized access to element'
return reduce(f,safelist)
Brad Clements,[EMAIL PROTECTED] (315)268-1000
http://www.murkworks.com (315)268-9812 Fax
netmeeting: ils://ils.murkworks.com AOL-IM: BKClements
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Re: [Zope-dev] zope-web community (was (SHOUT) NOTIFICATION!!!!)
On 30 Nov 2001 at 12:54, Andrew Kuchling wrote: On Fri, Nov 30, 2001 at 05:57:17PM +, seb bacon wrote: What we need, as Paul suggested about zope-web, is a set of community members who are able and willing to contribute 10 hours per week. I think there are very few such people. I would love to, but I simply I'd think the number of such people is zero, except for people who use Zope in their work and can justify time spent developing on Zope itself as being work-related. Raises hand. I use Zope everyday for development for various customers. When I hit a snag in Zope, I have to convince the customer to pay me to fix the problem. Usually, I get asked can you work around that? What if we eliminated feature xyz? or How long will that take? This is never pleasant. (still thinking about collector item 47 :-( I suppose I could do Zope stuff off-the-clock on personal time, but that's impossible with two small kids at home, plus doing college studies.. I'm supposed to be building an airplane too, but the darn kit has sat in the basement for a year, nothing done. Re: bug tracking. If Bugzilla is too much of a bear to deal with, there are simpler alternatives available, such as Roundup, Jitterbug, the SF bug tracker, and our unreleased SPLAT!. SPLAT, sounds interesting, like to see how that stacks up to roundup.. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] User folders, access rights, security, collector item 47
Sorry to post here. I posted last week on the zope list about what appears to be a new/strange security related problem in 2.4.3 I thought it was a problem in LdapUserFolder, but jens spent more time debugging than I did and he feels it's somewhere in the Zope security machinery. http://collector.zope.org/Zope/47 Is it security related when security doesn't do what you want (though nothing has been exposed, rather, what we want exposed isn't)? I'd try to tackle this myself, but I really have no idea where to start. I know everyone is busy, but I was wondering if anyone else has been able to reproduce the condition so that we can say for certain if its a bug, or a mis-configuration. Thanks, Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
RE: [Zope-dev] SOAP again (or, xml-rpc client for MSIE)
I have an IE 5.5 one-page web application that manages related database tables exposed as ADO recordsets from a Zope/Interbase/Linux server. I would like to use either the webservices behavior in IE5 or find an XML-RPC client component for IE 5.5 so I can make RPC calls into Zope in a standard, controlled manner without hand-coding all my calls into HTTP object PUT methods. I'd like to send structured types (or dicts), and get back a structured response, errors as exceptions (or not).. I want to avoid re-implementing this stuff. SOAP, WSDL and UDDI are coming in a big way. I think Zope/Python can compete against MS .Net Services on the server side, but it does make sense to use .Net components on the client, such as the webService behavior for IE. On 5 Jun 2001, at 9:41, Adrian Hungate wrote: What are you actually trying to achive? Adrian... Phil Harris wrote: Brad, There are a few COM/COM+ components around that do xml-rpc. I use them with MS Word to write Word files directly to Zope for instance. Some are better than others, but ymmv so I'll hesitate to recommend one. At least one of them is listed on xmlrpc.com. Having them you could script them via jscript, and basically open up the connection easily. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] SOAP again (or, xml-rpc client for MSIE)
Hate to bring this up again. 1999 Press release from DC http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104STORY=/www/story/12-02-1999/0001087563 An early 2000 Zope release will include support for two protocols heavily supported by Microsoft, the Simple Object Access Protocol (SOAP) and Web Distributed Authoring and Versioning (WebDAV) protocol We have WebDav.. How's SOAP look? I'm looking for a decent RPC mechanism for MSIE 5.5 to talk to Zope. MS has their webService behavior that supports SOAP. But without SDL or WSDL in Zope it's gonna take a lot of code to get working. Otherwise, I could use an XML-RPC client for IE5.5, but I can't find one! Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] TAL/ZPT expand-macros on when FTP get?
One thing I'd like to see in METAL/TAL is to have it always expand macros when an FTP get is performed. I'm using HTML-KIT now to do almost all of my Zope work, and it's wonderful (too bad its only FTP based, not WebDav). Anyway, if the macros where always expanded I'd be thrilled. Just a wish for the next release Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Professional Sites Using Zope??
On 16 May 2001, at 12:15, Jawad wrote: I am also interested to know Is there any professionally developed sites in Zope/Python. Please let me know the URL. What does professionally developed mean? http://www.adirondackcraft.com - Zope and Interbase I have another site I can't tell you the URL for, its for an importer-exporter handling 600 packages per day (shipping, tracking, customs, etc) His customers (100 or so) and their staff (200 or so) login to track packages every day. It's based on Zope 2.2 (argh) and Interbase on Linux. No problems. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Professional Sites Using Zope??
On 16 May 2001, at 15:21, Jason Cunliffe wrote: Can't tell as in don't know or not permitted? Pointless to tell because its password protected. There's nothing to see here, move along folks. Btw, this site is also serving up a one-page-web-app for IE 5.5 that heavily uses ADO and XML to generate a shipping interface. It's a work in progress but I'm really beginning to like XML and XSLT. ..lots of other 'professional' Zope sites to consider, for example at a random what do you call these two yes, but what the heck does professional mean? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] Plugable brains changed in 2.3x vs 2.2?
I've been using zope 2.2.2 with a plugable brain that does something like this: class Mybrain: def __init__(self): self.__dict['myvar'] = 'xyzzy' I just moved to the latest 2.3 beta and get an error that __dict__ doesn't exist. Anyone have a quick pointer for a fix, I have 60 minutes to make this work. thanks Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Plugable brains changed in 2.3x vs 2.2?
On 23 Apr 2001, at 14:45, Brad Clements wrote: I've been using zope 2.2.2 with a plugable brain that does something like this: class Mybrain: def __init__(self): self.__dict['myvar'] = 'xyzzy' Uh, sorry, this should probably not be on zope-dev. anyway the answer is self.aq_parent.__dict__['myvar'] = 'xyzzy' I'm using the pluggable brain approach so I can get first-myvar in dtml-in Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] The field converters (:int, :text, etc.)
On 4 Feb 2001, at 15:59, Morten W. Petersen wrote: IIRC, there was some talk about modularizing the field converters (checkers) so that they could be easiliy modified and added to. Is there currently any efforts to solving this problem? If not, there's definently a need for it, IMO.. I agree. Each time I get a Zope update I have to edit Converters.py What I want is something like :empty_as_none So a float, int or date field will be passed as None if the fields are blank, rather than having the converter raising an exception. ignore_empty doesn't work, because then the field isn't passed in the Record at all. I use SQLDict as the backend for all my forms (wow, it's great), so None really is needed for every field if its blank. If I have ignore_empty, then that field doesn't get updated in the database, so if someone wants to blank out a field, they can't do it. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] The field converters (:int, :text, etc.)
On 5 Feb 2001, at 9:38, Chris McDonough wrote: The last time I had to mess around with it, IE didn't pass along any empty form fields at all. Is this still the case? Still? I've never seen the behaviour you describe. My client uses IE exclusively. What version of IE did you test? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope] How to upgrade to 2.3 (no differential install?)
I'm running Zope 2.2 on RH Linux 7 I see that there's no 2.2-to-2.3 .tar file.. Why? What's the correct way to upgrade my existing Zope installation? -- Call me stupid, I can't find the proper command line switch to get tar to ignore the top level directory name Zope-2.3.0-linux2-86 Do I have to untar into a junk directory, then cp -r everything to my current dir? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope-dev] dtml-in batching
On 24 Jan 2001, at 9:43, [EMAIL PROTECTED] wrote: Tres Seaver wrote: Please post this as a "Bug w/ patch" to the Collector: http://classic.zope.org:8080/Collector That way we don't lose your fix in the list traffic (losing it along with our marbles is another problem :) Someone else responded to the list saying that he'd already done it. There was no match to my search of dtml-in though, so I've submitted a new bug report. I posted this same bug AND a patch as bug # 1566 on Aug 28th, 2000. http://classic.zope.org:8080/Collector/1566/view Sad to see its *still* pending Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] dtml-in batching
On 24 Jan 2001, at 11:15, [EMAIL PROTECTED] wrote: Brad Clements wrote: I posted this same bug AND a patch as bug # 1566 on Aug 28th, 2000. http://classic.zope.org:8080/Collector/1566/view Sad to see its *still* pending Well that's odd - I searched the collector for "dtml-in" and got no matches. A search for "renderwb" (which is in the title) works. Looks like it doesn't search the description after all. Boo to the search engine. Just curious: why specify the browser/platform/python version stuff when the problem is independant of those things? Because I'm Anal Retentive. Also figured perhaps my entry would be ignored without that information. Or worse the form would be rejected on submit because those fields where blank AND it wouldn't remember what I'd put in AND back would fail. So, I filled out the form entirely. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope] Re: Z-Commerce components
On 28 Dec 2000, at 15:38, Jason Cunliffe wrote: Thanks! Do you know is anyone _using_ Wampum : a. For handling real transactions, or is it still in development stages ? We are using it for real transactions at http://www.adirondackcraft.com (RH Linux 7) So far has worked perfectly. We created our own shopping cart and checkout stuff. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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-dev] Converters.py field2date() and :ignore_empty
If I have ignore_empty set in a variable name of type date, field2date() fails if the returned value is truly empty. I think field2date() should return None rather than trying to call DateTime with an empty string. I keep making this patch to each Zope release, but would like to talk about a more permanant and "correct" solution. What do others think? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] Pending bugs in collector - how do I send this patch?
I have found a bug in ZSQL methods that is describe by this collector
item:
http://classic.zope.org:8080/Collector/718/view
This item was posted over a year ago! The bug is still in the program, so
I'm guessing that DC folks are too busy to get to this.
The collector item described above describes a weak work-around
because the submitter didn't understand how this exception can occur..
Here's how it happens..
If a query is executed twice, the second time beyond the cache time
limit. Then the query string is stored in tcache{} twice (two different
times) but in cache{} only once.
Eventually the cache reaches it's maximum size and entries are expired
in reverse time order. The earlier tcache{} entry is encountered and the
query in cache{} is deleted.
Eventually the later query is also deleted from tcache{}, but the query no
longer exists in cache{} and a KeyError is raised.
Here's the fix I'm applying. I'm only deleting the cache{} entry if it's time
matches the tcache{} entry that is about to be deleted.
I couldn't figure out how to post a patch for a pending collector item.
Also didn't want to duplicate the pending bug report either.
--
lib/python/Shared/DC/DA.py line 392 or so
while keys and (len(keys) max_cache or keys[-1] t):
key=keys[-1]
q=tcache[key]
del tcache[key]
if int(cache[q][0]) == key:
del cache[q]
del keys[-1]
My change is:
if int(cache[q][0]) == key:
del cache[q]
Brad Clements,[EMAIL PROTECTED] (315)268-1000
http://www.murkworks.com (315)268-9812 Fax
netmeeting: ils://ils.murkworks.com AOL-IM: BKClements
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Re: [Zope] Another Zope E-Commerce Site Online
On 8 Dec 2000, at 8:14, Cees de Groot wrote: The nice thing about the checkout sequence is that you can move backwards at any time without losing the entered data. Also you can jump out to shop more, jump to the privacy, shipping and returns policy and your entered data isn't lost. As my ebusiness site has trouble with exactly that point, would you care to elaborate on how you accomplished that? It'd be nice to peek at someone else's solution before running off and reinventing wheels :-) When users proceed from Shopping Cart to Checkout, we create an SQL record for the order. This record holds their billing and shipping information, charge card result code (not the credit card number of course). If you examine the checkout sequence, you'll see that the only way you can leave it (other than by the nav bar, which will soon be fixed too) is by clicking on an image. All of these images are part of the form. Clicking on any image causes the contents of the form to populate the database record. If you clicked on 'next', we also validate your inputs. If your input passes validation, we increment a "nextPageAllowed" SQLSession integer. This controls which page you can move to.. So naturally you can move backwards to any page you've completed, we retrieve the data from the SQL record to populate the form. When you hit page 3, we populate a LINEITEMS table by dumping the contents of your shopping cart (which is an SQLSession dict). During the population of LINEITEMS, we calculate sales tax, shipping costs, etc and record all the costs in the ORDER record. We then display on step 3 the LINEITEMS records and the costs from the ORDER record, since this is what the actual cc charge will be based on. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
RE: [Zope] Another Zope E-Commerce Site Online
On 6 Dec 2000, at 19:51, Lee Hunter wrote: Site looks beautiful but I would *never* have guessed that it was an ecom site unless you told me. Even then it was just by accident that I clicked an image and came to a price and description. Maybe that's the part you were refering to as being in progress. Otherwise the site works great. Thanks for your comments. I mentioned this to the site owner a few weeks ago.. It takes too many clicks to get to buy something. We're just now adding a "browse by products" page, which itself is still a weak concept in my mind. This is an object lesson.. leave plenty of time for usability testing. The result of rushing the project to meet an ad publication date really shows in many areas of the site, including transaction errors mentioned by others. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope] Another Zope E-Commerce Site Online
On 6 Dec 2000, at 22:48, Jason C. Leach wrote: hi, How long did it take? And what level of Zope(xpertese) where you at whe you started? Did you have to do that shopping cart from scratch? This site was "thrown together" in about 5 days for a disorganized customer, came online just 30 minutes before it's first sale. Zope expertise? Based on the crass errors I've made putting this site together I'd say I'm a new-bee. See my other post about what makes "the cart". Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope] Another Zope E-Commerce Site Online
On 6 Dec 2000, at 23:54, Bill Welch wrote: Maybe you just looked at the catalog and didn't notice what's in the checkout. Having spent the past month setting up a site with Etailer, I would have to completely disagree with you. If Brad started with Etailer (I suspect he did, the checkout sequence has an Etailer look), it would have taken a lot of hard core programming, not graphical work, to get to where he is in 5 days. I haven't looked at Etailer. I did download zCommerce for a look, but was concerned about using ZPatterns. I've used LoginManager and it works well, but the terminology used in ZPatterns always gives me a headache. Clearly a shortcoming on my part - if I could understand what it does I'd probably use it. In the end, I already had the product database and the "shopping cart", so all I needed was the checkout sequence and cybercash charging. The checkout sequence is based on pages that the web designer gave me, and she copied the design from someone else's site. The nice thing about the checkout sequence is that you can move backwards at any time without losing the entered data. Also you can jump out to shop more, jump to the privacy, shipping and returns policy and your entered data isn't lost. We of course don't keep the CC number info if you leave page 3 by any means other than "Purchase". But everything else is kept. 1) Etailer doesn't support separate billing and shipping addresses 2) ETailer doesn't support a shipping fee, much less shipping alternatives Oih, shipping is a total headache with this site. The current shipping charge is based on a table by total purchase price. We really need to support actual charging by carrier/service/destination. That's simple to do but I ran out of time. The big headache is that each product is likely shipped from a different "artisan", so the site owner encounters multiple shipping charges, but the customer really can only be charged once for shipping. 3) Etailer doesn't do taxes. We have to charge tax for ship-to Zips in New York State. We use a tax table by Zip to get the tax rate. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope] Another Zope E-Commerce Site Online
On 6 Dec 2000, at 21:57, Bill Welch wrote: I found the shopping cart interesting. Did you start with an existing package or write it from scratch? Are you willing to share it? There are four major parts to this system. 1. product inventory and descriptions - kept in Interbase, images in Zope 2. Shopping cart - track qty of each item put in basket, this is just a dict stored in an SQLSession object 3. The checkout sequence - Interbase tables with Python code to populate them as each checkout step is completed 4. Charging the card - Wampum generator calling Cybercash. Item 1 is very specific to this site, so there's nothing really worth sharing there. Item 2 is trivial easy Item 3 A lot of this is from my "toolbox" built on SQLDict. I'm hoping someday I can give it away, but my current customers have paid for it and aren't willing to give it up. Maybe next quarter when the current contracts are complete. Item 4 Not mine, but I have some fixes to give back when I get my brain working again to do a decent job. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope] Another Zope E-Commerce Site Online:which database ??
On 7 Dec 2000, at 11:05, Gilles Lavaux wrote: What is the database used on this site? I never had this error myself :-) Interbase on Linux. Please see my other post that explains the entire problem in detail. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope] Another Zope E-Commerce Site Online - Transaction Errors
On 7 Dec 2000, at 9:41, Diego Rodrigo Neufert wrote: Transaction Error too Are you trying to do session management and/or database querys in two different frames? Thanks to everyone who emailed me about transaction errors, here's what was happening so you can avoid it too. First, we're using Interbase on Linux. Apparently there's a bug in the Linux Interbase client that causes the client connection to dropped if no DB requests are made within .. (5 minutes?) There's a fix in gvibDA that works around this by generating a dummy select before any query() is executed. If an exception is raised in the dummy select, the db-api connection is deleted and a new one opened. This fix seems to work pretty well. But I'm also using a gvib db-api connection from within Python code called through external methods. This second connection is used with SQLDict. I've wrapped it up with THUNK Zope code so SQLDict can participate in Zope's transaction machinery. Unfortunately I did not have the Linux-broken-pipe-fix in my SQLDict code, so that second connection could fail. The second connection is only activated when a person selects "Checkout". SQLDict registers itself with the transaction manager, then creates a cursor and executes an sql request. This causes an exception to be raised (broken pipe). The Zope transaction manager does a rollback, which causes this second interbase connection to try to call rollback(), which raises another broken pipe exception. This second exception within the transaction rollback causes a system- wide failure and Zope disables all further transactions, which then kills the entire site. -- The solution was to add the broken-pipe handling code to the external method before making calls into SQLDict. Unfortunately my first fix was wrong, so it didn't work, but I think I have it right now. This brings up a good issue. How do you work on a live Zope site without causing serious problems? Versions only go just so far. Fortunately, because I'm using SQLSession to hold the shopping cart contents, I can restart Zope at any time without killing off active shopping carts. -- Hopefully there will be a fix for this interbase client bug from the firebird group soon. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] REQUEST.set doesn't set in 2.2.4
This code:
dtml-call
"REQUEST.set('verrormessage',orderobject.chargeCard(REQUEST,Holmes.CyberCash,Rec))"
!-- charge result is dtml-verrormessage;--
Prints out _.None as the result.
However a print statement in my ordeobject.chargeCard method shows
that the return value isn't None.
This seems broken. The return code is coming from within an exception
handler, I wonder if that is related to the problem.
I've also noticed that in a dtml-trydtml-except calling
REQUEST.set within the except doesn't set it.
Anyone got ideas?
Brad Clements,[EMAIL PROTECTED] (315)268-1000
http://www.murkworks.com (315)268-9812 Fax
netmeeting: ils://ils.murkworks.com AOL-IM: BKClements
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Re: [Zope] Wampum generator on Zope 2.2.4 fails / _isBeingUsedAsAMethod
On 3 Dec 2000, at 21:46, Steve Spicklemire wrote: Hmm.. I *know* I've seen this before. I think it was when I was trying to move ZClasses that were *created* under Zope 2.2.0+ to Zope 2.1.x. Are you sure you're working with 100% 2.2.4? Yep, fresh install of 2.2.4 Although the Data.fs was moved from 2.1.x, I didn't install the Wampum product until on 2.2.4 Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] Wampum generator on Zope 2.2.4 fails / _isBeingUsedAsAMethod
Selecting the Security Tab on a Wampum Generator produces this output: Error Type: AttributeError Error Value: _isBeingUsedAsAMethod Traceback (innermost last): File /usr/holmes/Zope/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /usr/holmes/Zope/lib/python/ZPublisher/Publish.py, line 187, in publish File /usr/holmes/Zope/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: CyberCash) File /usr/holmes/Zope/lib/python/ZPublisher/Publish.py, line 171, in publish File /usr/holmes/Zope/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: manage_access) File /usr/holmes/Zope/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: manage_access) File /usr/holmes/Zope/lib/python/AccessControl/Role.py, line 252, in manage_access (Object: Traversable) AttributeError: (see above) Any ideas? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] How to get around non-propogating proxy roles, also security problem with zsql traversal?
Zope 2.2.2 on linux I have a web site where almost every page can only be viewed by authenticated (non anymous) users. I want to create one page that anonymous viewers can see. But to create this page I want to reuse (not duplicate) existing dtml, so I gave this page a proxy role "PUBLIC" and gave that role view and access contents rights. Unfortunately dtml methods called by this dtml document lose their proxy rights and revert back to anonymous, hence I get NameError and so forth from the called dtml methods. 1. Why is it that proxy roles don't propogate and accumulate when methods are called? 2. I'm actually using simple ZSQL traversal, like this: mysite.com/MyFolder/MyZSQL/138348343/PublicInfo PublicInfo is the DTML Doc with proxy role = PUBLIC. MyZSQL is an SQL Method that doesn't appear to be viewable by anonymous. However when called using simple traversal shown above, the SQL method IS executed. Is this a security bug? It seems that anonyous users can "call" an sql method using traversal even if security disallows anonymous View. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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-dev] Adding execute() to Zope DA's for use by External methods
I have Python code that I use outside of Zope, and inside Zope via external methods. This code uses database adapters (anything version 1 or later). When my code is used within Zope, I have in the past had two database connections from within the Zope process. One connection is the actual Zope DA (I'm using gvib) and the other is a python db connection. This has worked okay on Windows, but I'm getting strange lockup problems after moving to Linux. In any case, it seems to me the better way to do this would be to allow external methods to get db-like access to a zope DA. Most Zope DA's are built in db-sig type db connectors, so it seems like a relatively simple matter to define a new interface for Zope DA's to make available that supports execute semantics. The big issue in my mind is determining what kind of security needs to be applied to such a function, and how that security would be implemented. I suppose stealing roles/rights from SQL_Methods for use here makes sense. If you can call an SQL method, you can call execute() directly. Is there any support from the Zope community to add execute() like operations to Zope DA's? If yes, where should I start in figuring out security for this. And finally, how does an external method pass security information "back" to the DA? For example, I tried passing my Gvib instance to an external method. But when that method called the gvib instance to get a connection instance, it got a "no __call__ method" error. So then I tried passing the connection from dtml, ie dtml-var "MyMethod(db=MyInterbaseConnection())" but when MyMethod calls db.cursor() it gets a security error. Probably because this function isn't exposed by the security machinery. (same thing probably for the __call__ error) Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope] Deleted product breaks SQL_Method Advanced tab - How to fix?
Zope 2.2.2 binary on Linux (also shows up on Windows version) I'm looking for suggestions on how to fix this, I can't access the advanced tab of any of my SQL_Methods. I had played with some products, deleted them from the file system and removed them from the products list in Zope (is order important here?) Now when I choose Advanced on any SQL Method, I get this: ImportError Sorry, a Zope error occurred. Traceback (innermost last): File /home/bkc/door2door/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /home/bkc/door2door/lib/python/ZPublisher/Publish.py, line 187, in publish File /home/bkc/door2door/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: SQL_GetOrgList) File /home/bkc/door2door/lib/python/ZPublisher/Publish.py, line 171, in publish File /home/bkc/door2door/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: manage_advancedForm) File /home/bkc/door2door/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: manage_advancedForm) File /home/bkc/door2door/lib/python/App/special_dtml.py, line 120, in __call__ (Object: manage_advancedForm) (Info: /home/bkc/door2door/lib/python/Shared/DC/ZRDB/advanced.dtml) File /home/bkc/door2door/lib/python/DocumentTemplate/DT_String.py, line 528, in __call__ (Object: manage_advancedForm) File /home/bkc/door2door/lib/python/Shared/DC/ZRDB/DA.py, line 508, in manage_product_zclass_info (Object: SQL_GetOrgList) File /home/bkc/door2door/lib/python/ZODB/Connection.py, line 447, in setstate ImportError: No module named ZamlBase And this appears from the python process 2000-11-14T14:42:42 ERROR(200) ZODB Couldn't load state for '\000\000\000\000\000\000\036\031' Traceback (innermost last): File /home/bkc/door2door/lib/python/ZODB/Connection.py, line 447, in setstate ImportError: No module named ZamlBase How can I remove this object from the zodb? How do I find it? Any idea why SQL_Method even cares about this? Thanks for any suggestions Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] Generating text/csv from DTML method, Mime Type?
I'm create a CSV file that I would like browsers to get the "save as" dialog when they select it. I'm using RESPONSE.write() to write out the CSV file, and I set the Content-Type before calling RESPONSE.write Netscape seems to work ok, it pops up a save box for "text/csv" and "application/vnd.ms-excel". However in both cases IE5.5 just ignores the data and re-requests the page. Does anyone know *all* the steps I need to take to get this to work correctly with IE? I must be doing something wrong. I want to supply a CSV file, but generated dynamically. I'm sure I'm missing a header setting or something. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope-dev] Wrox Book
On 13 Oct 2000, at 15:59, Chris Withers wrote: Josh Zeidner wrote: WROX contacted me a while back saying they wanted to do a Zope book as well. Does anyone know anything about this? -josh Yeah, that project has just been pulled, I think ;-) Pulled as in cancelled? -Brad p.s. Anyone see my chapter on Embedding/Extending Python in the Wrox Professional Linux Programming book? looking for feedback (kudos, hatemail, etc) Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope] status of SOAP for Zope?
MS has released ROPE for client-side SOAP development (finally). I can't seem to find anything in Zope for doing SOAP, but it was announced in Dec 1999 as "upcoming". What is the status of SOAP on Zope, I need to know if I can use ROPE.. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
RE: [Zope] status of SOAP for Zope?
Okay, has anything been done at all? Where would I start? What's left to do? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] Only superuser can set Proxy on DTML methods?
It seems that when I'm managing my website as a Manager (from acl_users folder) I can not set a proxy role for a method or document. I get "you do not have the proxy role" something like that. But I can't see anywhere how to enable my userid to have this proxy role. So only the superuser can set the proxy role for a document. But once I do that, I can't edit it anymore as Manager (expected) So .. how can a Manager grant the proxy role on documents? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope] Nasty subtle security bug - Me Too
On 25 Sep 2000, at 21:01, Martijn Faassen wrote: In Zope 2.2.2, the user cannot execute the external method E either. Instead, the calling DTML code raises a NameError, basically saying our external method does not exist. I'll also dump this description into the collector, but posted to the list because I like to complain. And who knows, perhaps someone else ran into the same. I also get the same problem in a different way. I posted a note the other day about Login Manager and ownership generating NameError. I thought it was a Login Manager thing. The results are about the same, I get a NameError accessing an External method from a DTML method when the current user has been authenticated using a Login manager protectec sub folder of the root. My fix, strangely enough, was to change the ownershipp of the DTML method that was making the call to the External Method. It was owned (somehow) by a user from Login Manager, rather than from the root acl_users folder. Changing the ownership fixed the problem. I didn't know who should look into this, Ty or DC, so I posted to the list. Unfortunately it looks like no one has responded. I don't have the brains to figure it out. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] How to automatically document a Zope site?
I'm looking for a product, how-to or suggestions on how to document a zope site. Basically I just want to walk the tree of objects and output a nicely formatted series of pages that list the object, type, title, modification time, etc.. Anyone got something ready made? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope] How to automatically document a Zope site?
Here's what I just whipped up in 5 minutes.. should think before posting I guess. Create Method /Document dtml-var standard_html_header dtml-var "DocumentRecurse(_.None,_,parent=Strader,indent=0)" dtml-var standard_html_footer Strader is the top Folder I want to document Then Create Method /DocumentRecurse dtml-with parent table width="100%" border="0" style="margin-left: dtml-indent;%" cellspacing="0" cellpadding="0" dtml-in objectItems sort trtd width="20%"img src="/dtml-var icon" width="16" height="16" dtml-var sequence-key/td td width="20%"dtml-var meta_type/td td width="20%"dtml-var title/td td width="30%"a href="dtml-var "absolute_url()"/manage"dtml-var "absolute_url()"/a/td /tr dtml-if "meta_type == 'Folder'" trtd colspan="4"dtml-var "DocumentRecurse(_.None,_,parent=this(),indent=indent+5)"/td/tr /dtml-if /dtml-in /table /dtml-with Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] Copy/Paste DTML method raises exception does not support this operation
I think my Zodb is messed up, I'm running Zope 2.2.1 (binary release, python 1.5.2, win32-x86) I copied a DTML Method, and tried to paste it into the same folder. I get this exception: The object ReportBanner does not support this operation Traceback (innermost last): File E:\Zope\lib\python\ZPublisher\Publish.py, line 222, in publish_module File E:\Zope\lib\python\ZPublisher\Publish.py, line 187, in publish File E:\Zope\lib\python\Zope\__init__.py, line 221, in zpublisher_exception_hook (Object: Traversable) File E:\Zope\lib\python\ZPublisher\Publish.py, line 171, in publish File e:\Zope\lib\python\ZPublisher\mapply.py, line 160, in mapply (Object: manage_pasteObjects) File E:\Zope\lib\python\ZPublisher\Publish.py, line 112, in call_object (Object: manage_pasteObjects) File E:\Zope\lib\python\OFS\CopySupport.py, line 203, in manage_pasteObjects (Object: Traversable) File E:\Zope\lib\python\OFS\CopySupport.py, line 406, in _verifyObjectPaste (Object: Traversable) Copy Error: (see above) The DTML Method was un-owned, I took ownership and retried copy/paste, get the same error again. I can't paste it into a different folder either. How can I figure out what's happening? I'm worried that my ZODB has become corrupted. I'm logged in as manager. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] Uh-oh, my Zope site is going down the toilet! (NameError in DT_Util.py)
Earlier I reported a problem with copy/pasting a DTML method. Now I'm getting a NameError exception in DT_Util.py, line 337 (in eval). This appears to be either an acquisition problem, a security problem or a combiniation in conjunction with LoginManager. (the traceback is at the bottom of this message) Zope version: Zope 2.2.1 (binary release, python 1.5.2, win32-x86) LoginManager-0-8-7a1 Here's my layout / Strader (folder) DateRange (External Method) Outbound (folder) InTransit (DTML Doc) ReportBanner (Dtml Method) Reports (DTML Doc) ReportForm (DTML Doc) acl_users (LoginManager) acl_users (user folder) ReportBanner and ReportForm both use dtml-var "DateRange(value)[0]" ReportBanner is called from InTransit, and it works. It works when authenticated via LoginManager or by the root acl_users folder When ReportForm is called from Reports, I get a NameError exception if authenticated solely via LoginManager. However when logged in on another machine, authenticated via Loginmanager, it works. I suspect that copy of the browser is also sending Basic Auth credentials, but I can't be sure. Earlier today I reported that I couldn't copy/paste ReportBanner. It seems that this object, and ReportForm are owned by a user in LoginManager, though I don't know how that happened.. cookie exchange probably. I'm wondering if there's something strange happening with LoginManager, ownership, acquisition and so on. It seems like I can't take ownership of these objects either, and the "make ownership implicit" button doesn't seem to have any effect. So anyway, I'd expect an attributeError or a UnAuthenticated error, but NameError is unexpected and looks very suspicious to me. My customer has spent a *lot* of money on this project so far, and I'm worried that I have some strange bug running through the system now due to these two unexpected problems (copy/paste and now nameerror) I can't think of a workaround for NameError. Thoughts? Traceback (innermost last): File E:\ZOPEST~1\lib\python\ZPublisher\Publish.py, line 222, in publish_module File E:\ZOPEST~1\lib\python\ZPublisher\Publish.py, line 187, in publish File E:\ZOPEST~1\lib\python\Zope\__init__.py, line 221, in zpublisher_exception_hook (Object: Traversable) File E:\ZOPEST~1\lib\python\ZPublisher\Publish.py, line 171, in publish File E:\ZOPEST~1\lib\python\ZPublisher\mapply.py, line 160, in mapply (Object: Reports) File E:\ZOPEST~1\lib\python\ZPublisher\Publish.py, line 112, in call_object (Object: Reports) File E:\ZOPEST~1\lib\python\OFS\DTMLDocument.py, line 177, in __call__ (Object: Reports) File E:\ZOPEST~1\lib\python\DocumentTemplate\DT_String.py, line 528, in __call__ (Object: Reports) File E:\ZOPEST~1\lib\python\OFS\DTMLDocument.py, line 173, in __call__ (Object: ReportForm) File E:\ZOPEST~1\lib\python\DocumentTemplate\DT_String.py, line 528, in __call__ (Object: ReportForm) File E:\ZOPEST~1\lib\python\DocumentTemplate\DT_In.py, line 692, in renderwob (Object: _[rangetablename]) File E:\ZOPEST~1\lib\python\DocumentTemplate\DT_Var.py, line 278, in render (Object: DateRange(value)[0]) File E:\ZOPEST~1\lib\python\DocumentTemplate\DT_Util.py, line 337, in eval (Object: DateRange(value)[0]) (Info: DateRange) File string, line 0, in ? NameError: DateRange Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] Proxy roles don't propagate? - bizzare permissions from ZDChart too
I'm using LoginManager and the loginForm cookie method for security. I want my login form to use the same standard_html_header, stylesheet and so on as my system. My hierarchy is / Strader StyleSheet acl_Users loginForm I've denied anonymous access to Strader and so on, but I want the loginForm to be able to load standard_html_header, which in turn references a few things in Strader Anyway, my loginForm has this: dtml-with Strader dtml-var standard_html_header /dtml-with I've given the loginForm a proxy role called "Customer" Customer has full access to Strader and everything in it. It looks like standard_html_header is rendered, but when standard_html_header calls StyleSheet and other objects in the Strader folder, I get the browser login box. Cancelling that shows "access to StyleSheet denied". Its as if the proxy role assigned to loginForm is discarded by standard_html_header, even though I didn't assign standard_html_header any proxy roles. Is this a bug, or by design? -- Also, I see that I have some very strange permissions in my list, looks like an installed product goofed. I see this single character permissions. A C D G Z a d h r s t Ahh.. Looks like ZGDChart hasn't used a tuple where it should... Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] That :method thingy.. where's it documented?
I've searched through all the how-toos and documentation on the zope site, but I can't find any reference to :method types.. I know they exist, but searching for "method type" returns too many hits. Can someone remind me where to find this documented? Thanks Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope-dev] Converters.field2date, allow empty string to return None?
On 3 Sep 2000, at 13:33, Dieter Maurer wrote: One solution would be to use a valid (special) date as default value and test against it in the body. I don't like this "solution" because the end-user has to know what the special date is, it looks ugly on the form and it still does *not* fix the problem of using the test function in an SQL Method. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] Converters.field2date, allow empty string to return None?
One thing that has been bothering me is that I can't easily test my ZSQL Methods if they accept a date type unless I completely fill all the date arg types. For example, if the sqlmethod has argument type startdate:date='' and in the body I have dtml-if startdate ... When i use the test form, I can't leave the date field empty, otherwise I get a conversion error from Converters.field2date() I also have this problem with any form that has type date, if the end-user doesn't put a date in the form, I get a conversion error. Its okay with me to receive an empty string, which gets converted to None .. I just put NULL in the sql database. So .. what's the correct fix to allow empty fields to return either '' or None from field2date? I can alter Converters.py... I see that converters required: exists, but does that imply that all other converters allow an empty string to return None? Or do we need to add an explicit "optional" type? Either way, I'd like to fix this, but what's the best way? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope] How to logout users when using LoginManager?
I've searched the zope website for tips on how to truly logout users, but I can't find any information. I'm using LoginManager, with GenericUserFolder. I see mention of cookie auth methods, but I have no idea how to use this. So, I'm using basic auth (I assume). Can anyone share some tips on how to logout users from a web page, using cookies or otherwise, allowing them to relogin as another user without having to quit/start their browser? Thanks.. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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-dev] Bug in DT_In.py, still using collector? Here's a patch
In Zope 2.2.0 If you have a bug in your DTML in a dtml-in xx next block, you don't see the bug. DT_In assumes that you just don't have more records to see. DT_In.py, around line 545 This code: elif next: try: # The following line is a sneaky way to test whether # there are more items, without actually # computing a length: sequence[end] pstart,pend,psize=opt(end+1-overlap,0, sz,orphan,sequence) kw['next-sequence']=1 kw['next-sequence-start-index']=pstart-1 kw['next-sequence-end-index']=pend-1 kw['next-sequence-size']=pend+1-pstart result=render(section,md) except: if self.elses: result=render(self.elses, md) else: result='' SHOULD BE: elif next: try: # The following line is a sneaky way to test whether # there are more items, without actually # computing a length: sequence[end] pstart,pend,psize=opt(end+1-overlap,0, sz,orphan,sequence) kw['next-sequence']=1 kw['next-sequence-start-index']=pstart-1 kw['next-sequence-end-index']=pend-1 kw['next-sequence-size']=pend+1-pstart except: if self.elses: result=render(self.elses, md) else: result='' else: result=render(section,md) Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope] Bug in DT_In.py, still using collector? Here's a patch
In Zope 2.2.0 If you have a bug in your DTML in a dtml-in xx next block, you don't see the bug. DT_In assumes that you just don't have more records to see. DT_In.py, around line 545 This code: elif next: try: # The following line is a sneaky way to test whether # there are more items, without actually # computing a length: sequence[end] pstart,pend,psize=opt(end+1-overlap,0, sz,orphan,sequence) kw['next-sequence']=1 kw['next-sequence-start-index']=pstart-1 kw['next-sequence-end-index']=pend-1 kw['next-sequence-size']=pend+1-pstart result=render(section,md) except: if self.elses: result=render(self.elses, md) else: result='' SHOULD BE: elif next: try: # The following line is a sneaky way to test whether # there are more items, without actually # computing a length: sequence[end] pstart,pend,psize=opt(end+1-overlap,0, sz,orphan,sequence) kw['next-sequence']=1 kw['next-sequence-start-index']=pstart-1 kw['next-sequence-end-index']=pend-1 kw['next-sequence-size']=pend+1-pstart except: if self.elses: result=render(self.elses, md) else: result='' else: result=render(section,md) Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] (Fwd) Re: [Zope] Pluggable brains aren't seen by first-nnn in - SOLUTION
On 4 Aug 2000, at 22:10, Dieter Maurer wrote: Brad Clements writes: However first-eventday is ALWAYS true, however when I print dtml- eventday; the output value is always the same for each row, so first- eventday shouldn't be true on any row except the first. Almost surely, the "in" tag does not call a callable object (because it does not expect, they could be callable). You, therefore, get the method itself. It is identical for all records. So true, the solution is to define an __init__ class in the brain class, then use that to populate "self". class PackageEvent: """Package Event Pluggable Brain""" def __init__(self): """initialize""" self.__dict__['eday'] = self.eventday() def eventday(self): return DateTime(apply(time.mktime,self.eventtime.tuple()[:3]+(0,0,0,0,0,-1 ))) Now 'first-eday' works. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] Pluggable brains aren't seen by first-nnn in dtml-in?
I have a ZSQL method that has an associated class. That class defines a method eventday(self) that returns just the date portion of a datetime value. I want to be able to use dtml-if first-eventday to print the date only when it changes. However first-eventday is ALWAYS true, however when I print dtml- eventday; the output value is always the same for each row, so first- eventday shouldn't be true on any row except the first. I've been looking at dt_insv.py, I assume that eventday() isn't seen as a true variable in self.data, so ... Any suggestions for how I can easily simulate first-nnn for a datetime when I only want to key off the date portion? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] Confusing aq - I don't get it, anyone know why?
I've lost my Zope zen, why doesn't this work? My folders and documents / (folder) strader (folder) FormatDate (external method) outbound (folder) PackagInfo (dtml document) FormatColumnTable (dtml method) PackageInfo has code like this: dtml-with "GetDB().Package.TrackingNumber_index.select(trackingnumber).fetchone()" dtml-var FormatDate table width="100%" border="0" dtml-var "FormatColumnTable(columnlist=packagecolumns,obj=GetSelf(),notable=1)" /dtml-with FormatColumnTable has code like this: dtml-let value="something " dtml-var "FormatDate(date=value)" /dtml-let However this FormatDate raises a NameError in DT_Util.py, line 335 (version 2.1.6 of Zope) Is PackageInfo's use of dtml-with blocking acquisition of FormatDate? The object returned for use with dtml-with in PackageInfo raises an AttributeError when trying to find FormatDate as an attribute, this is correct... what gives? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
RE: [Zope] Interbase DA compiled for Windows? gvibBase.pyd DONE
On 30 Jul 2000, at 13:34, Jeff Hoffman wrote: this was meant to be kinterbasdb-0.2.1.tar.gz and _ gvibDA-0.1.tar.gz _ Thanks again, -- Ralf Herold I understand your position, and wish we could do something to help. However, we do not use Windows or Windows NT, internally, nor do we own a compiler for it. We are going to have to rely on the community to port our DA (gvibDA) to Windows. Patches accepted. :-) This is done already, and patches already sent. I just got it working today after a slight problem with Py_Realloc. ftp://ftp.murkworks.com/misc/gvib.zip This has ONLY gvibBase.dll (currently, Debug version with symbols) Use at your own risk (seems to be working for me, but only tested 6 hours) Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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] Infoworld Review of Zope
Sorry if this has been posted already, I'm in digest mode on this list. http://www.infoworld.com/articles/mt/xml/00/07/17/000717mtzope.xml Is ZEO really $25K? Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
RE: [Zope] Bi-directional update of Data.fs
On 19 Jul 2000, at 13:57, Chris McDonough wrote: Aha... http://www.zope.org/Wikis/ZEO/QuorumBasedReplication Jim's heading this up. We had a professor from George Mason University in here and everything. The whiteboard was filled with scrawlings. :-) It's definitely something we're interested in. I've been teasing myself with the idea of using CODA as a storage for Zope. It has built-in "per-object" replication, hoarding (download all these objects so I can go to the beach) and sychronization. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope] Bi-directional update of Data.fs
On 19 Jul 2000, at 20:32, Chris Withers wrote: I've been teasing myself with the idea of using CODA as a storage for Zope. It has built-in "per-object" replication, hoarding (download all these objects so I can go to the beach) and sychronization. That would be very cool :-) If you've got the knowledge to do this, please put it to good use :-) I can't afford to spend the time on it. I have a family to feed. Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
Re: [Zope] Win2000
On 28 Jun 2000, at 23:40, Robin Becker wrote: The boss says he couldn't install Zope on our Win2000 box. He tried 3 times. Anybody else have a problem with M$'s latest? Works fine for me on win2k Brad Clements,[EMAIL PROTECTED] (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements ___ Zope maillist - [EMAIL PROTECTED] 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 )
