[Zope-dev] Virtual Hosting in 2.2 - a Bestiary of Buglets

2000-09-05 Thread Itamar Shtull-Trauring

I setup virtual hosting on Zope 2.2.1 with SiteAccess 2.  I used Apache with
ProxyPass (Apache acting as a reverse HTTP proxy in front of ZServer)
instead of FastCGI, since this is much faster (with caching headers apache
is about 10 times as fast as ZServer).

The setup is as follow - each site has a folder in /websites, so
www.example.com is mapped to /websites/example in Zope.  In
/websites/example I have an Access Rule that tells Zope that the base url is
http://www.example.com.


 Problem 1: HTTP and HTTPS (more of a proxypass issue)
===
I want to be able to serve both http and https versions of a site from
Apache.  Problem is, because of the way proxying works, there is no way for
Zope to know if it is origially being accessed via http or https.  My
solution? Add a folder in top level of Zope called "ssl".  If we see our
path as proxied by Apache is /ssl/websites/example, we know we are being
accessed via SSL.  Because of the magic of acquisition, this works, but it's
still an ugly hack, and slows things down.  Here's the SiteAccess rule I
used:

if REQUEST['PATH_INFO'][:5] == '/ssl/':
REQUEST.setVirtualRoot('/')
REQUEST.setServerURL(protocol='https', hostname='www.example.com',
port='443')
else:
REQUEST.setVirtualRoot('/')
REQUEST.setServerURL(hostname='www.example.com', port='80')


 Problem 2: ZCatalog
=
All the objects in /websites/example are being catalogged with paths such as
/websites/example/folder/myObject.  However, when I gets the objects path
using getpath(), it's not adjusted based on the virtual hosting settings -
it's still /websites/example/folder/myObject, not /folder/myObject as it
should be.


 Problem 3: Management interface
=
The breadcrumbs in the folder management screen (e.g. "/ folder1 /
folder2"), still show the "/ websites / example", with links, when using the
virtual hosting.  That is, the managemnt interface shows folders that we are
not supposed to be able to access when we are using virtual hosting.


 Problem 4: Access to other virtual hosts (security issue?)

When using virtual hosting, it is still possible to access the /websites
folder for example, using acquistion.  So I can view the contents of one
website from the other: www.example.com/websites/example2, and
www.example2.com/websites/example.


-- 
Itamar S.T.  [EMAIL PROTECTED]
Fingerprint = D365 7BE8 B81E 2B18 6534  025E D0E7 92DB E441 411C

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[Zope-dev] PARENTS

2000-09-05 Thread Chris Withers

From
http://www.zope.org/Members/michel/Projects/Interfaces/PublisherRequest:
 Deprecated attributes:
 - PARENTS

What are we supposed to use instead now?

cheers,

Chris

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[Zope-dev] Re: Problem 1: HTTP and HTTPS (more of a proxypass issue)

2000-09-05 Thread Chris Withers

Itamar Shtull-Trauring wrote:
  Problem 1: HTTP and HTTPS (more of a proxypass issue)
 ===
 I want to be able to serve both http and https versions of a site from
 Apache.  Problem is, because of the way proxying works, there is no way for
 Zope to know if it is origially being accessed via http or https.  

There is a patch for apache which removes this problem, IIRC,
[EMAIL PROTECTED] may be able to help more with that...

 My
 solution? Add a folder in top level of Zope called "ssl".  If we see our
 path as proxied by Apache is /ssl/websites/example, we know we are being
 accessed via SSL.  Because of the magic of acquisition, this works, but it's
 still an ugly hack, 

Why is it an ugly hack? Seems like quite a graceful solution to me...

 and slows things down.  

By how much? And why is this? I didn't the acquisiton caused a loss in
performance :-S

 Here's the SiteAccess rule I
 used:
 
 if REQUEST['PATH_INFO'][:5] == '/ssl/':
 REQUEST.setVirtualRoot('/')

What difference does it make if you do REQUEST.setVirtualRoot('/',1)?

 REQUEST.setServerURL(protocol='https', hostname='www.example.com',
 port='443')

Not sure about that port... IIUC, setServerURL should mean that all the
links on your site contain:
https://www.examples.com:443/
...is that what you want?

cheers,

Chris

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Re: [Zope-dev] Problem 2: ZCatalog

2000-09-05 Thread Chris Withers

Itamar Shtull-Trauring wrote:
 All the objects in /websites/example are being catalogged with paths such as
 /websites/example/folder/myObject. 

Using getPhysicalPath I hope and pray...

 However, when I gets the objects path
 using getpath(), it's not adjusted based on the virtual hosting settings -
 it's still /websites/example/folder/myObject, not /folder/myObject as it
 should be.

That's as expected. I guess there needs to be some discussion about what
'should' happen here.
I reckon there should be a getVirtualPath as well as a getPath.
Comments welcome...

For now, the workaround getobject().absolute_url() should work, but does
mean loading the whole object into memory :-(

cheers,

Chris

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[Zope-dev] Re: Problem 1: HTTP and HTTPS (more of a proxypass issue)

2000-09-05 Thread Itamar Shtull-Trauring

Chris Withers wrote:

 What difference does it make if you do REQUEST.setVirtualRoot('/',1)?

This might actually solve most of my problems, since it deletes the parents
I don't need from PARENTS.  However, when I do this I can't view anything -
it keeps raising Unauthorized.  Setting the permissions to not acquire and
be explicitly on does not help.

-- 
Itamar S.T.  [EMAIL PROTECTED]
Fingerprint = D365 7BE8 B81E 2B18 6534  025E D0E7 92DB E441 411C

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[Zope-dev] What should/does REQUEST.setVirtualRoot('/',1) do?

2000-09-05 Thread Chris Withers

Itamar Shtull-Trauring wrote:
  What difference does it make if you do REQUEST.setVirtualRoot('/',1)?
 
 This might actually solve most of my problems, since it deletes the parents
 I don't need from PARENTS.  However, when I do this I can't view anything -
 it keeps raising Unauthorized.  Setting the permissions to not acquire and
 be explicitly on does not help.

I guess I'd really like to know what the intended difference and uses of
hard=0 and hard=1 are.

Evan,

Help?!

cheers,

Chris

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[Zope-dev] BTree folders: opinions?

2000-09-05 Thread Steve Alexander

I've been reading the discussions on benchmarks of BTreeFolder verus
standard ObjectManager dict based folders.

I have a BTreeFolder w/ Customizer support that I'd like to include in
the DataSkinAddons package for its next release. I'll probably release a
LargeUI Folder w/ Customizer Support, that has the BTreeFolder UI
anyway.

However, I'm not sure whether to store the folder contents in a dict or
a BTree.

Are dictionaries or BTrees the way to go for folders with lots of
sub-objects?
Anyone tried any other benchmarks?

I *suppose* it could even be configurable:

How about this for an idea:

* Management interface uses the standard Folder interface when the 
  number of objects in the contents are less than a certain amount.
  With more objects, it switches to the BTree Folder UI.
  This number can be reconfigured as an attribute of the folder.

* You can switch between using a dict and a BTree to store the
  sub-objects, on an instance-by-instance basis. The switch-over
  will be slow, but it will be easier than changing the base-class
  of existing instances.

Comments?

--
Steve Alexander
Software Engineer
Cat-Box limited
http://www.cat-box.net

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Re: [Zope-dev] Problem 3: Management interface

2000-09-05 Thread Chris Withers

Itamar Shtull-Trauring wrote:
 The breadcrumbs in the folder management screen (e.g. "/ folder1 /
 folder2"), still show the "/ websites / example", with links, when using the
 virtual hosting.  That is, the managemnt interface shows folders that we are
 not supposed to be able to access when we are using virtual hosting.

Well, the breadcrumbs use the following DTML:
at /dtml-var 
expr="tabs_path_info(SCRIPT_NAME, PATH_INFO)"

SCRIPT_NAME already makes me nervous, since it's on the deprecated list
at:
http://www.zope.org/Members/michel/Projects/Interfaces/PublisherRequest

PATH_INFO is a REQUEST.environ thing, so it doesn't sounds like a good
idea either :-S

tabs_path_info() is defined in /lib/python/App/Management.py and
/lib/python/OFS/PropertySheets.py
The recent CVS checkins on these files don't mention changes to do with
the Traversal interface so I wouldnt' eb surprised if these methods are
old and broken WRT to virtual hosting :-(

Out of interest, what happens if you click on the
links-that-shouldn't-be-there?

cheers,

Chris

PS: MJ or Evan might have a better cleu as to what's going on here...

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Re: [Zope-dev] Problem 4: Access to other virtual hosts (security issue?)

2000-09-05 Thread Chris Withers

Itamar Shtull-Trauring wrote:
 When using virtual hosting, it is still possible to access the /websites
 folder for example, using acquistion.  So I can view the contents of one
 website from the other: www.example.com/websites/example2, and
 www.example2.com/websites/example.

I don't think this is a 2.2 issue. It has always been like this AFAIK...

What you really what is a non-acquiring folder for the /example and
/example2 folders.
This shouldn't be too hard to implement :-S

Does this sounds like the right idea?

cheers,

Chris

PS: This shouldn't really be a security issue, it's more of a 'niceness'
thing as the security stuff will still work as it should (unless,
perhaps, you do domain-based authentication...) Sadly, that sort of
thing seems to go right down the priority lists :-( (go see
http://www.zope.org/standard_html_footer for another example...)

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[Zope-dev] LoginManager NT plugins?

2000-09-05 Thread Robin Becker

anyone doing user authentification with NT + Loginmanager?
-- 
Robin Becker

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Re: [Zope-dev] PlugIns.py bug.... (was incorrectly ZPatterns: transaction bug)

2000-09-05 Thread Steve Spicklemire


OK I think I found the actual intent of aq_base() in _checkId of PlugIns.py:

if hasattr(aq_base(self), id):
# The object is located in this ObjectManager.
if not flags  REPLACEABLE:
raise 'Bad Request', ('The id "%s" is invalid - ' \
  'it is already in use.' % id)
# else the object is replaceable even if the UNIQUE
# flag is set.
elif flags  UNIQUE:
raise 'Bad Request', \
  ('The id "%s" is reserved.' % id)

it comes from the ObjectManager _checkId which has basically the same
code execpt it ObjectManager.py also has the needed:

from Acquisition import aq_base

which PlugIns.py does not..  so looking at Acquisition.c it appears
that there is no real difference between

hasattr(aq_base(self), id)

which calls 

  if (WRAPPER(self)-obj)
{
  r=WRAPPER(self)-obj;
  while (isWrapper(r)  WRAPPER(r)-obj) r=WRAPPER(r)-obj;
}
  else r=Py_None;
  Py_INCREF(r);
  return r;

and hasattr( self.aq_base, id) which calls

case 'b':
  if (strcmp(name,"base")==0)
{
  if (self-obj)
{
  r=self-obj;
  while (isWrapper(r)  WRAPPER(r)-obj) r=WRAPPER(r)-obj;
}
  else r=Py_None;
  Py_INCREF(r);
  return r;
}
  break;

Anyway.. it looks like either fix is OK... I guess!

-steve

 "Steve" == Steve Spicklemire [EMAIL PROTECTED] writes:

Steve ZPatterns 0.4.2a1 PlugIns.py bug?

Steve I get a 'Name Error' aq_base when I hit the following code
Steve while trying to update the index_html method of one of my
Steve Specialists from CVSMixin.. I think that this would get hit
Steve anytime you add an object whose id is already in the
Steve acquisition path

Steve -steve

Steve diff -c -r1.1.1.2 PlugIns.py *** PlugIns.py 2000/09/04
Steve 14:17:29 1.1.1.2 --- PlugIns.py 2000/09/04 18:53:17
Steve *** *** 265,271  # An object by the given
Steve id exists either in this # ObjectManager or in the
Steve acquisition path.  flags = getattr(obj, '__replaceable__',
Steve NOT_REPLACEABLE) !  if hasattr(aq_base(self), id): # The
Steve object is located in this ObjectManager.  if not flags 
Steve REPLACEABLE: raise 'Bad Request', ('The id "%s" is invalid
Steve - ' \ --- 265,271  # An object by the given id exists
Steve either in this # ObjectManager or in the acquisition path.
Steve flags = getattr(obj, '__replaceable__', NOT_REPLACEABLE) !
Steve if hasattr(self.aq_base, id): # The object is located in
Steve this ObjectManager.  if not flags  REPLACEABLE: raise 'Bad
Steve Request', ('The id "%s" is invalid - ' \

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Re: [Zope-dev] PlugIns.py bug.... (was incorrectly ZPatterns: transaction bug)

2000-09-05 Thread Phillip J. Eby

At 08:46 AM 9/5/00 -0500, Steve Spicklemire wrote:

OK I think I found the actual intent of aq_base() in _checkId of PlugIns.py:
...
it comes from the ObjectManager _checkId which has basically the same
code execpt it ObjectManager.py also has the needed:

from Acquisition import aq_base


Fixed in my CVS.  Thanks!


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[Zope-dev] Re: Virtual Hosting in 2.2 - a Bestiary of Buglets

2000-09-05 Thread Evan Simpson

From: Itamar Shtull-Trauring [EMAIL PROTECTED]
  Problem 1: HTTP and HTTPS (more of a proxypass issue)
 ===
 I want to be able to serve both http and https versions of a site from
 Apache.  Problem is, because of the way proxying works, there is no way
for
 Zope to know if it is origially being accessed via http or https.  My
 solution? Add a folder in top level of Zope called "ssl".  If we see our
 path as proxied by Apache is /ssl/websites/example, we know we are being
 accessed via SSL.  Because of the magic of acquisition, this works, but
it's
 still an ugly hack, and slows things down.

If you think that's an ugly hack, you'll probably hate what I do ;-)  I have
Apache RewriteRules that look like these:

RewriteRule ^/(.*) http://localhost:8080/_proxy/http/%{HTTP_HOST}/example/$1
[P,L]

(with https instead of http in secure virtual hosts, of course)

...and an Access Rule in my root folder (stack is the traversal stack):

if stack and stack[-1] == '_proxy':
  stack.pop()
  base = "%s://%s" % (stack.pop(), stack.pop())
  request.setURL(base=base)
  request.set('SiteRootPATH', '/')

Finally, I have blank SiteRoots in my site folders.

  Problem 2: ZCatalog
 =
 All the objects in /websites/example are being catalogged with paths such
as
 /websites/example/folder/myObject.  However, when I gets the objects path
 using getpath(), it's not adjusted based on the virtual hosting settings -
 it's still /websites/example/folder/myObject, not /folder/myObject as it
 should be.

This is one of the many ZCatalog problems that Chris P. is now valiantly
tackling.

  Problem 3: Management interface
 =
 The breadcrumbs in the folder management screen (e.g. "/ folder1 /
 folder2"), still show the "/ websites / example", with links, when using
the
 virtual hosting.  That is, the managemnt interface shows folders that we
are
 not supposed to be able to access when we are using virtual hosting.

As Chris Withers points out, this is due to deprecated data passed in calls
to tabs_path_info.  I'll see that it gets fixed.

  Problem 4: Access to other virtual hosts (security issue?)
 
 When using virtual hosting, it is still possible to access the /websites
 folder for example, using acquistion.  So I can view the contents of one
 website from the other: www.example.com/websites/example2, and
 www.example2.com/websites/example.

Unless this is a real security concern for you, and can't be address within
the standard Zope security framework, I wouldn't worry about it.  As you
noticed, the optional 'hard' parameter to setVirtualRoot was a weak stab in
this direction, but I never spent enough time on it to really get it
working.  That would involve (at least) providing some kind of replacement
Application instance to root acquisition in.

Cheers,

Evan @ digicool  4-am


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Re: [Zope-dev] BTree folders: opinions?

2000-09-05 Thread Shane Hathaway

Steve Alexander wrote:
 
 I've been reading the discussions on benchmarks of BTreeFolder verus
 standard ObjectManager dict based folders.
 
 I have a BTreeFolder w/ Customizer support that I'd like to include in
 the DataSkinAddons package for its next release. I'll probably release a
 LargeUI Folder w/ Customizer Support, that has the BTreeFolder UI
 anyway.
 
 However, I'm not sure whether to store the folder contents in a dict or
 a BTree.
 
 Are dictionaries or BTrees the way to go for folders with lots of
 sub-objects?
 Anyone tried any other benchmarks?
 
 I *suppose* it could even be configurable:
 
 How about this for an idea:
 
 * Management interface uses the standard Folder interface when the
   number of objects in the contents are less than a certain amount.
   With more objects, it switches to the BTree Folder UI.
   This number can be reconfigured as an attribute of the folder.

Have you considered a batching UI?  The consensus here at DC when we
had the meeting about big folders was that folders with lots of objects
ought to batch.  However, once I saw how fast a simple list is, I lost
interest in batching.

 * You can switch between using a dict and a BTree to store the
   sub-objects, on an instance-by-instance basis. The switch-over
   will be slow, but it will be easier than changing the base-class
   of existing instances.

You'll probably get the biggest win just by replacing the custom
__getattr__ method with a C version.  I understand that switching from
C to Python and back to C again is expensive, but a C version would
turn the path into C-C-C.  It might level the benchmarks.

Shane

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[Zope-dev] SiteAccess 2 Questions

2000-09-05 Thread Chris Withers

Hi,

Here's a load of questions that have sprung up as a result of trying to
get to grips with SiteAccess 2 on Zope 2.2.1:

It looks like REQUEST.steps is the replacement for PARENTS?
Is that so?

Small grumble:
REQUEST['TraversalRequestNameStack'] is a bit of a long-winded name :P

 If an Access Rule is broken, and is preventing normal access, it can 
 be disabled by restarting Zope with
 environment variable SUPPRESS_ACCESSRULE set.

So now you have to restart Zope to undo a screwup? 
I guess __no_before_traverse__, or whatever it was, was a security
whole, or something?

Hmm, the example for Multiple Sites isn't very robust :-(
http://www.zope.org/Members/4am/SiteAccess2/vhosting

You use HTTP_HOST, without ensuring it exists. I remember having
problems with this in Zope 2.1.6 as HTTP_HOST doesn't exist when you
access things via FTP, so an error gets thrown, effectively preventing
you from accessing any objects covered by the access rule through FTP.

My solution for this is just to wrap the rule in dtml-if
"REQUEST.has_key('HTTP_HOST')"

Well, that's all for now...

cheers,

Chris

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[Zope-dev] Re: SiteAccess 2 Questions

2000-09-05 Thread Evan Simpson

From: Chris Withers [EMAIL PROTECTED]
 It looks like REQUEST.steps is the replacement for PARENTS?
 Is that so?

Actually, REQUEST.steps has always been there -- it's the list of *ids* that
were traversed.  This may or may not correspond to the ids of the PARENTS,
depending on whether an object with a __bobo_traverse__ inserted extra
objects or replaced itself in PARENTS.  Then there is REQUEST._steps, which
is new, and which is (as the _ implies) for internal use only.  It's a
pre-url-quoted list of steps, affected by virtual hosting, which is used to
construct URLn and BASEn.  Right now, I've working in a CVS branch on new
REQUEST variables called URLPATHn and BASEPATHn, which are analagous to URLn
and BASEn but only contain the path portion of the URL.  Then all
SCRIPT_NAME uses should be replaced with BASEPATH1, etc.

 Small grumble:
 REQUEST['TraversalRequestNameStack'] is a bit of a long-winded name :P

Agreed.  Jim pretty much mandated a name that (1) lives in 'other', rather
than being an attribute, and therefore (2) is very, very unlikely to clash
with other people's REQUEST variable names.

 So now you have to restart Zope to undo a screwup?
 I guess __no_before_traverse__, or whatever it was, was a security
 whole, or something?

No, it's just not specific enough.  Now that the before-traversal hook is
part of Zope, other services may want to use it, and so it shouldn't have a
global on/off switch.  As of SiteAccess 2.0b3, you can insert
"_SUPPRESS_SITEROOT" and/or "_SUPPRESS_ACCESSRULE" into your URL in order to
turn off a single SiteAccess object (the one which would have triggered at
that point in the URL).

 Hmm, the example for Multiple Sites isn't very robust :-(
 http://www.zope.org/Members/4am/SiteAccess2/vhosting

I didn't spend a whole lot of time fortifying it.  It's just meant to be an
example, after all.  I wasn't expecting so many people to paste it into
their applications without understanding what it does. :-)

Cheers,

Evan @ digicool  4-am


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[Zope-dev] DCOracleStorage: problems running Full.sql

2000-09-05 Thread Roman Milner

I'm trying to get DCOracleStorage up and running, but I'm getting
errors trying to run Full.sql.  I know didly about plsql, so I
apalogize if this is obvious.

When I run Full.sql I get the following errros.  Does this mean my
oracle installation is missing something?

Thanks,
^Roman


...

Table created.


Table created.


Index created.


Commit complete.


Package created.

No errors.

Warning: Package Body created with compilation errors.

create package body zodb_methods as
*
ERROR at line 1:
ORA-01041: internal error. hostdef extension doesn't exist


No errors.
ORA-24323: value not allowed
Error accessing package DBMS_APPLICATION_INFO
ERROR:
ORA-03114: not connected to ORACLE



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Re: [Zope-dev] Folderish objects and multiple inheritance

2000-09-05 Thread Andy McKay


- Original Message -
From: "Andy McKay" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, September 05, 2000 2:13 PM
Subject: [Zope] Re: [Zope-dev] Folderish objects and multiple inheritance


 Hmmm I can override inheritance in a simple class... I guess theres
 something in Zope thats annoying this:

 class A:
  var = 'A'

  def test(self):
   return self.var

 class B:
  var = 'B'

  def test(self):
   return self.var

 class C(B, A):
  var = 'C'

  def test(self):
   return A.var

 c = C()
 print c.test()

 OUTPUT A

 - Original Message -
 From: "Andy McKay" [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Sent: Tuesday, September 05, 2000 11:35 AM
 Subject: [Zope-dev] Folderish objects and multiple inheritance


  Hi there,
 
  Ok so I have a class that has multiple inheritance. My main class (A)
 works
  fine, but I wanted to add in folderish properties. The problem is the
 order
  of multiple inheritance and viewing folder objects. When you view a
folder
  from you call index_html and this gives a content list.
 
  By inheriting this way:
 
  class B(A, Folder):
 
  I have kept all my A methods. However viewing it does not produce the
  content list since its overwritten by A. Of course inheriting:
 
  class B(Folder, A):
 
  Does work for that, but breaks all my other methods.
 
  Solutions:
 
  Well I tried defining a tab - view_folder which was something along the
 line
  of:
 
  def view_folder(self, client=None, REQUEST={}):
  ''' doc string '''
  return Folder(self, client, REQUEST)
 
  But get an attribute error on manage_tabs.
 
  Any ideas?
 
  Thanks.
 
  --
Andy McKay, Developer.
ActiveState.
 
 
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[Zope-dev] Call for a creation_datetime property!

2000-09-05 Thread Jay, Dylan

It is really a painful thing to do without.  I realize I can add this
capability to factories of my own objects but I don't want to have to create
my own versions of dtml-document and everything else just to ensure that a
creation date is kept. I've tried using transaction logs but this is very
dodgy for the following reasons. 1) An object can be created by many
different methods. Its guess work working out which created the object. 2)
The odb can be packed and then you've just lost your creation date.

Can anyone give a good reason not to include this property as a standard for
all ZODB objects?



Dylan Jay   Tel:   +61 2 9886-8961
Avaya Communication FAX:   +61 2 9352 9224
Level 5, 15 Talavera Road   Mobile:+61 409 606 171
Nth Ryde, NSW, 2113 ICQ:   520341
AUSTRALIA   


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[Zope-dev] For the Zope community

2000-09-05 Thread Shane Hathaway

Zopistas,

It has been very rewarding to work with DC and the Zope community.  I
have learned a lot about software and community spirit.  I have never
had the opportunity to work with a more enthusiastic and dedicated
group of developers.

So at this time I'm releasing two new products designed to help Zope
users to get their job done more easily.

http://www.zope.org/Members/hathawsh/ZDebug/index_html

ZDebug is a set of patches to Zope that help in the deciphering of DTML
errors and authorization exceptions.  Because this is the first
release, remember to make a backup before installing.

http://www.zope.org/Members/hathawsh/tcpwatch/index_html

TCPWatch is a simple Python script that lets you monitor a TCP
connection.  It does *not* depend on Zope, but it can be especially
useful when writing Zope apps for WAP devices because the WAP devices
will not display Zope exceptions while TCPWatch will.  It's also useful
for debugging any TCP/IP-based protocol implementation.

Keep up the awesome work!

Shane

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[Zope-dev] ANN: Zope core session tracking proposal

2000-09-05 Thread Chris McDonough

If you're interested in seeing session-tracking implemented in the Zope
core, please review the proposal at
http://dev.zope.org/Wikis/DevSite/Proposals/CoreSessionTracking and
provide comments on the referenced discussion page.

Thanks!

Chris McDonough
Digital Creations, Publishers of Zope
http://www.zope.org


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Re: [Zope] Re: superuser confusion

2000-09-05 Thread Evan Simpson

From: "Chris McDonough" [EMAIL PROTECTED]
 On Mon, 4 Sep 2000, Chris Withers wrote:
  Well, okay, let me rephrase the question:
  Why is it bad for the bootstrap user to own anything?
  It used to be considered okay before Zope 2.2, so was has been
  changed/discovered that makes this now such a bad idea that despite
  loads of newbie pain and confusion, it's still worth while/necessary?

 I've got to say I agree with you here.  I'm still not 100% sure why the
 superuser or bootstrap user can't own anything.

It's due to a combination of the trojan horse issue and the sticky
authentication issue, I think.  You really don't want to be authenticated as
super very often, because while you are, if you visit a page someone else
wrote, they can make your browser do evil things to your site.  This is also
true of Managers, but less so.  Similarly, a page owned by non-super has
tighter permissions than one owned by the super would.

Ideally, people working in a site should be operating with the bare minimum
of privileges to get the job done.  The super should only be called in when
no one else can fix it.

Cheers,

Evan @ digicool  4-am


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[Zope] Date-Time or SQL (Oracle) time.. or...

2000-09-05 Thread Chris Beaumont

Hello,

Another newbie question that I hope doesn't sound too stupid..  (I 
guess I already know the answer to that question.. it DOES... 
*sheepish grin*)

Have a little patience with me, I'm learning things and having fun, 
so in a month or three...   *sigh*



Anyway

I have some questions about the best way to update time fields on my Zope site.

This issue has been "the bane of my life" for the past three days.*grin*

Basically these are fields in records describing events (programs and 
workshops, and soon, talks) which I am listing on my site..

The dates are in an Oracle 7 table. I'm using DCOracle and the Zope 
OracleDA to interact with these data sources from Zope.

Quite simply, I'm confused..  I've been following to the letter the 
ZSQL Methods Guide, but I'm completely missing something important 
about the relationship between Zope date-time and Oracle dates. I've 
scoured the lists and haven't found anything there either..How-tos 
deal with general date-time issues.. yes.. but this is on the border 
.. perhaps.. DateTime vs. Oracle SQL.

*pause for dramatic effect*

The How-tos I've seen don't answer several (basic) questions..

Note: So far I have just been working with dates, not hours, minutes, etc.

I've noticed that if I insert data using Oracle's default and not 
very useful "native" format ie. 01-Jan-00 things work on the insert 
side. Sort-of...

I've also successfully used "TO_DATE" to insert data in SQLMethods.. 
in forms I built myself..

But then using the exact same code in another (originally 
ZNolk-generated, but much edited..) form and SQL method.. no luck.. 
It's usually not even making it out of Zope's error check routines..

Perhaps this is a clue.. I've noticed that when displaying the 
results of a query, Zope translates Oracle's outputted dates into 
Date-Time.

Does Zope also do translation on the input end? And if so, what do I 
need to do to be able to consistantly input dates in MM/DD/ 
without problems..

I've been having major problems with dtml-sqlvar choking on dates 
and I don't have the foggiest idea what I am doing wrong. Do I need 
to put more effort into learning TO_DATE and TO_CHAR (Oracle-isms) 
better or am I totally barking up the wrong tree..

(i.e. Zope translates everything into Date-Time)

What is the best way to intercept SQL so I can see what is being sent 
to Oracle..?  (I followed the suggestions in the How-to on this 
subject and Zope threw an error)

I'm sorry this sounds so stupid, but I have been running into a brick 
wall..so to speak..  And in my scheme of things, dates, and the 
simple modification of them..  is really important...

Thank you,

Chris


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Re: [Zope] Re: superuser confusion

2000-09-05 Thread Chris McDonough

On Tue, 5 Sep 2000, Evan Simpson wrote:

  I've got to say I agree with you here.  I'm still not 100% sure why the
  superuser or bootstrap user can't own anything.
 
 It's due to a combination of the trojan horse issue and the sticky
 authentication issue, I think.  You really don't want to be authenticated as
 super very often, because while you are, if you visit a page someone else
 wrote, they can make your browser do evil things to your site.  This is also
 true of Managers, but less so.  Similarly, a page owned by non-super has
 tighter permissions than one owned by the super would.

Yes... the PDG security chapter has all of this in it, but it would seem
that neither Chris W or I are completely satisfied by these answers.  :-)
It seems a matter of diminishing returns, especially when newbies hit the
wall during install, since we haven't provided them with an airbag yet.

Chris McDonough
Digital Creations, Publishers of Zope
http://www.zope.org


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Re: [Zope] supplemental group ids (Linux)

2000-09-05 Thread Chris McDonough

On 4 Sep 2000 [EMAIL PROTECTED] wrote:

I see... well, maybe we can take a look at it.  In the meantime, if you
figure out a patch that doesn't rely on an external program, let me
know...

Thanks,

C


 Chris McDonough  [EMAIL PROTECTED] wrote:
 Aplogies for the ignorance, but can you maybe explain the concept
 of supplemental group ids and give an example of how the current unpatched
 behavior could be subverted?
 
 I can try...
 
 Supplemental gids are useful for allowing a user to belong to more
 than one group, or maybe to more than one project in normal parlance.
 This is normally effected by listing the uid opposite more than one
 group in /etc/group.  The login process issues the initgroups(3) call
 to install these supplemental groups, which are inherited by all
 processes forked from the login shell.
 
 The problem is comes when you change user ids; for example what I
 saw with Zope (start -u nobody) was:
 
  before change   after change
  =   
  user id root   nobody
  group idroot   nobody
  sup id(s)   root   root
 
 Thus the process has group access privilages for nobody (correct) and
 root (bad) in unpatched Zope.
 
 I cannot give you an exploit based on this -- my knowledge of Zope
 is not deep enough -- and in a bug free world there probably would
 be no exploit.  But the reason for running as nobody, I think, is
 to contain damage should an exploit be found.  For that reason, it
 would seem reasonable to change the supplemental gids too.
 
 I saw this on Linux; supplemental groups come from the BSD tradition,
 so you likely will find the same situation on *BSD, Solaris, etc.
 
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http://www.zope.org


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[Zope] dtml-comment Fine, don't fix :P

2000-09-05 Thread Chris Withers

Andrew Kenneth Milton wrote:
 Th second part of the problem is that ChrisW(hinger) really wants it,

"really wants it" might be a little strong... I'm not loosing any
sleep...

 but,
 doesn't want to do what is necessary to do it. 

Swishdot or fixing DTML... take your pick :P
(TreeTag would still get it first anyway...)

 So the problem is simplified
 to not actually doing anything except talking about doing it. d8)

Well, since you actually have knowledge of the DT_String parser (well,
more than I do at any rate...) you'd be better suited to doing less
talking...

*grinz*

Chris

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[Zope] Bitten by == ;-)

2000-09-05 Thread Chris Withers

Andy Dustman wrote:
 I have a DTML Method (build_navigation_bar) that is called from
 standard_html_header to (surprise) build a navigation
 bar. 

Word from the (pretending to be ;-) wise: Do it in an external method...
I've got one that probably does 90% of what you want. Mail me off list
if you're interested...

   !-- this() in parents == dtml-var "this() in parents" ==
dtml-var this in dtml-var parents --
   dtml-if "this() in parents"

 Unfortunately, this doesn't work: The conditional is always false. Some of
 the debugging output:
 
 !-- this() in parents == 0 == Folder instance at 89d9850 in
 [Folder instance at 87b2cc8, Folder instance at 8a22420, Application
 instance at 87b9158] --
 !-- this() in parents == 0 == Folder instance at 87b2cc8 in
 [Folder instance at 87b2cc8, Folder instance at 8a22420, Application
 instance at 87b9158] --
 
 Note that in the first line, the expression correctly evaluates to 0,
 while the second line incorrectly evaluates to 0.

*grinz* f*^*ing confusing isn't it. I did much head scratching until
someone helpful pointed out you're dealing with acquisition wrappers:

http://zope.nipltd.com/public/lists/dev-archive.nsf/ByKey/08240A8E0D50AEE0

...that might cover what you're looking for and that whole thread
discusses the related issues.

Jim suggested it wouldn't be hard to implement == to 'ignore' these
wrappers and I'd love to give it a go but sadly:
- I haven't written any C in about 3 years
- I've _never_ written any C-extension-to-python type things
So I'd probably take ages to do it and still screw it up :-S

Anyone else want to give that a go?

cheers,

Chris

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Re: [Zope] supplemental group ids (Linux)

2000-09-05 Thread Bill Anderson

Kip Rugger wrote:
 
 Chris McDonough  [EMAIL PROTECTED] wrote:
 Aplogies for the ignorance, but can you maybe explain the concept
 of supplemental group ids and give an example of how the current unpatched
 behavior could be subverted?
 
 I can try...
 
 Supplemental gids are useful for allowing a user to belong to more
 than one group, or maybe to more than one project in normal parlance.
 This is normally effected by listing the uid opposite more than one
 group in /etc/group.  The login process issues the initgroups(3) call
 to install these supplemental groups, which are inherited by all
 processes forked from the login shell.
 The problem is comes when you change user ids; for example what I
 saw with Zope (start -u nobody) was:
 
  before change   after change
  =   
  user id root   nobody
  group idroot   nobody
  sup id(s)   root   root


Would you mind describing how you determine this?




--
Do not meddle in the affairs of sysadmins, for they are easy to annoy,
and have the root password.

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Re: [Zope] Java applet with inner classes causing probs in Zope

2000-09-05 Thread Holger Lehmann

Am Die, 05 Sep 2000 schrieben Sie:
 Hello all,
 
 The problem is that inner classes have names like "Parent$Inner.class"
 I'm unable to create a Zope file object with a name that includes the dollar
 sign.  However, the applet won't function without it.
 
 Has any one overcome this?

What about putting it all in a jar-file ?

- Holle

 
 Yes, the applet functions properly when served from apache (but I need to
 serve it from Zope).
 
 Please respond directly to me and mailing list as I am not currently on the
 mailing list.
 
 Thanks,
 
 Eric.
 
 
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---
catWorkX GmbH Hamburg
Dipl.-Ing. Holger Lehmann
Stresemannstr. 364
22761 Hamburg
Tel: +49 40 890 646-0
Fax: +49 40 890 646-66
mailto:[EMAIL PROTECTED]
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Re: [Zope] Could someone explain this DateTime behaviour to me?

2000-09-05 Thread Steve Alexander

Dario Lopez-KXsten wrote:

 AS in is this the expected/intended behaviour or could this be classified as
 a bug?
 
 
 ---
 
 bobobase_modification_time
   2000/09/02 08:49:48.326 GMT+2
 
 bobobase_modification_time().toZone('GMT+2')
   2000/09/02 12:49:48.326 GMT+2
 
 bobobase_modification_time fmt="%Y-%m-%d %H:%M"
2000-09-02 12:49
 
 ---

What version of Zope are you using?

Various timezone bugs in DateTime.py were fixed in the latest version of 
Zope.

--
Steve Alexander
Software Engineer
Cat-Box limited
http://www.cat-box.net


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[Zope] DTML horror

2000-09-05 Thread Nick Trout



DTML is pretty horrible. Does anyone have any 
solutions to allow DTML methodsto be generated using a more Pythonesque 
interface? It seems to me that DTML is a bit of a shoddy half way house between 
HTML and Python.

Cheers,
Nick.




[Zope] ZODB efficiency

2000-09-05 Thread Nick Trout



Is using ZODB efficient? Is it better to use ZODB 
than an external database? What are the benefits of using it?

CHeers,
Nick


Re: [Zope] DTML horror

2000-09-05 Thread Chris Withers

 Nick Trout wrote:
 DTML is pretty horrible. Does anyone have any solutions to allow DTML
 methods to be generated using a more Pythonesque interface? It seems
 to me that DTML is a bit of a shoddy half way house between HTML and
 Python.

For someone who's posting HTML mail to a non-HTML list, you're a fine
one to talk ;-)

There are discussion happening in this area on http://dev.zope.org.
Look for "Documents and Templates" or something similar.

You could also just use lots of PythonMethods...

cheers,

Chris

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Re: [Zope] ZODB efficiency

2000-09-05 Thread Chris Withers

 Nick Trout wrote:
 Is using ZODB efficient? Is it better to use ZODB than an external
 database? What are the benefits of using it?

There's lots of info on this on www.zope.org.
And there's mailing list archives at zope.nipltd.com.
And there's probably more info at zdp.zope.org.

Maybe you should look there first?

Chris

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Re: [Zope] DTML horror

2000-09-05 Thread Rik Hoekstra



 Nick Trout wrote:
 
 DTML is pretty horrible. Does anyone have any solutions to allow DTML
 methods to be generated using a more Pythonesque interface? It seems
 to me that DTML is a bit of a shoddy half way house between HTML and
 Python.

Use Python Methods (http://www.zope.org/Members/4am/PythonMethod) or
External Methods (available in all Zope installations RTFM). They will
probably not completely replace DTML though. 

hth

Rik

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Re: [Zope] DTML horror

2000-09-05 Thread Nick Trout

 For someone who's posting HTML mail to a non-HTML list, you're a fine
 one to talk ;-)

Oooer, *blush* sorry...


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Re: [Zope] Images slow rendering problem

2000-09-05 Thread Oliver Bleutgen

 Hi,

 I already posted this message several monthes ago, expecting a new Zope
 version would fix the problem, but...


 I have some images on my pages (let's say 10 - not a lot), rendered
 either by dtml-var or a manual IMG tag.
 When I render the page on some of my LAN boxes (especially with IE),
 some images doesn't load at the first time. I need to reload the page to
 make them appear. When I monkeyly hit the 'F5' key, some images do not
 show again. Argl. Anoying

 The problem is worst ever through Internet.

Perhaps not the failure you see, but as you mention IE,
there is at least one really annoying bug in IE 4 (all versions except SP2) and
IE 5 (except 5.01). This may bite people trying to integrate zope into other
webservers using redirects.

http://support.microsoft.com/support/kb/articles/Q193/4/89.ASP?LN=EN-USSD=gnFR=0

You might want to check what versions of IE you use. 

A last resort may be to use a sniffer to capture the http traffic
for later analysis.


Cheers,
oliver

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Re: [Zope] supplemental group ids (Linux)

2000-09-05 Thread Andrew Kenneth Milton


|  I saw this on Linux; supplemental groups come from the BSD tradition,
|  so you likely will find the same situation on *BSD, Solaris, etc.

Sorry I missed the start of the thread, but, I can weigh in on this point.

Using -u user under FreeBSD gives you the Primary Group for the user you
have requested. Supplemental groups are available only for that user, not
the user you ran Zope as.

-- 
Totally Holistic Enterprises Internet|  P:+61 7 3870 0066   | Andrew Milton
The Internet (Aust) Pty Ltd  |  F:+61 7 3870 4477   | 
ACN: 082 081 472 ABN: 83 082 081 472 |  M:+61 416 022 411   | Carpe Daemon
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Re: [Zope] dtml-comment Fine, don't fix :P

2000-09-05 Thread Andrew Kenneth Milton

+---[ Chris Withers ]--
| Andrew Kenneth Milton wrote:
|  Th second part of the problem is that ChrisW(hinger) really wants it,
| 
| "really wants it" might be a little strong... I'm not loosing any
| sleep...
| 
|  but,
|  doesn't want to do what is necessary to do it. 
| 
| Swishdot or fixing DTML... take your pick :P
| (TreeTag would still get it first anyway...)

Well since I don't use S*dot... :-)

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Re: [Zope] DTML horror

2000-09-05 Thread JTC Murphy


They may be available in all installations but they aren't necessarily
available to all users )-:

Have fun, Murph (who is not actually complaining given the price he has
to pay for use of a public Zope server)

 Rik Hoekstra [EMAIL PROTECTED] 05/09/00 11:51:35 

Use Python Methods (http://www.zope.org/Members/4am/PythonMethod) or
External Methods (available in all Zope installations RTFM). They will
probably not completely replace DTML though. 



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Re: [Zope] Could someone explain this DateTime behaviour to me?

2000-09-05 Thread Dario Lopez-Kästen

 What version of Zope are you using?
 
 Various timezone bugs in DateTime.py were fixed in the latest version of 
 Zope.

Zope 2.2.1 source release

/dario


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[Zope] Renderable Base Class ???

2000-09-05 Thread Brian Withun

I'd read some discussion dating back to last year about a the concept of a
Renderable Base ZClass; something that would allow a ZClass to be called
like dtml-var "myClassInstance"

Have there been any developments along this line, or any plans to
incorporate the idea into Zope?  I find myself in need of this
functionality.

Also, I did notice a product on Zope.org which claims to be a renderable
base class, but it's a tgz and doesn't seem to uncompress for me on WinNT
using WinZip7.  Does anybody have a copy of this (working) that they might
export and send?  (It's a very small TGZ product and hopefully a very small
zexp)


Brian Withun


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Re: [Zope] Renderable Base Class ???

2000-09-05 Thread Chris Withers

Brian Withun wrote:
 Have there been any developments along this line, or any plans to
 incorporate the idea into Zope?  I find myself in need of this
 functionality.

Checkout ZRenderable or ZCallable (which is in the PTK CVS)

cheers,

Chris

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Re: [Zope] Underscore Caracter

2000-09-05 Thread Tino Wildenhain

Hi Chris,

Chris McDonough wrote:
 
 Hi Marcus,
 
 This is untested.
 
 Turn "asd asd" into "asd_asd" and output:
 
 dtml-var "_.string.join(_.string.split('asd asd'), '_')"
 
 Turn "asd_asd" into "asd asd" and output:
 
 dtml-var "_.string.join(_.string.split('asd_asd', '_'))"
 
I've seen this on plenty lines of digicools code and wondered
about if this is more efficient then using just string.replace()
?
I would say string.replace() should be a bit faster.

Regards
Tino

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Re: [Zope] problems installing PoPy-1.3.4 (fwd)

2000-09-05 Thread Stephen Nosal

There was a patch to the source that fixed this in 1.3.3, but it looks like the same 
problem is cropping up. I would contact federico ([EMAIL PROTECTED]) and see what he's 
got to say...he really helped out with my 1.3.x problems.

- Steve

On Fri, 01 September 2000, Sebastien Billard wrote:

 
 
 I'm on a suse 6.4 system, with postgresql installed.  I've got the latest
 zope installed from tarball.. and I get this problem trying to install
 PoPy
 
  ./autogen.sh --with-postgres-libraries=/usr/lib/pgsql/lib
 --with-postgres-includes=/usr/lib/pgsql/include
 loading cache ./config.cache
 checking for python... /usr/bin/python
 checking python version... 1.5
 checking python installation prefix... /usr
 checking python installation exec_prefix... /usr
 checking definitions in Python library makefile... done
 checking location of python
 library... $(prefix)/lib/python1.5/site-packages
 checking location of python shared
 modules... $(exec_prefix)/lib/python1.5/site-packages
 checking for PQconnectStart in -lpq... no
 configure: error: can't build without PostgreSQL libraries
 
 Now type 'make' to compile PoPy python module.
 
 
 
 
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Re: [Zope] Ad banners in Zope anyone ?

2000-09-05 Thread Bill Welch

Check out the How-To athttp://www.zope.org/Members/Mamey/PHP. Doesn't
handle redirection, authorization, or cookie passing, but it's a
start. If you need the above mentioned features, I'll be posting my update
by the end of the week.

Bill.

On Sat, 2 Sep 2000, Jason Cunliffe wrote:

 - Can one run PHP from inside of Zserver/ZODB easily?
 - How would to do that?
 - Is anyone using Zope for Ad Banner services??
 - What would would make it a good or bad choice?


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Re: [Zope] Renderable Base Class ???

2000-09-05 Thread Kapil Thangavelu

Brian Withun wrote:
 
 I'd read some discussion dating back to last year about a the concept of a
 Renderable Base ZClass; something that would allow a ZClass to be called
 like dtml-var "myClassInstance"
 
 Have there been any developments along this line, or any plans to
 incorporate the idea into Zope?  I find myself in need of this
 functionality.
 
 Also, I did notice a product on Zope.org which claims to be a renderable
 base class, but it's a tgz and doesn't seem to uncompress for me on WinNT
 using WinZip7.  Does anybody have a copy of this (working) that they might
 export and send?  (It's a very small TGZ product and hopefully a very small
 zexp)

its is pretty small, it just implements the __call__ python semantics.

winzip should be able to unzip a tgz file, generally i've noticed IE and
netscape? tend to rename tgz files to tar on downloading (at least on
win95), if you rename the file to have a tgz extension winzip should
handle it fine.


Kapil

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[Zope] That :method thingy.. where's it documented?

2000-09-05 Thread Brad Clements

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

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RE: [Zope] Folder and SQL security

2000-09-05 Thread Chris McDonough

George,

Hi... please continue to respond to the list...

Did you clear the acquire permissions settings checkbox for all the
permissions in the "wholesale" folder?  Does it make any difference?

How are you testing this?  Are you sure that you aren't logged in as
"george" when you visit the wholesale folder?  (e.g. are you stopping
and restarting the browser to test this?)



 I am about one quarter through '6-1-Security.stx'. I printed 
 all 41 pages. I
 also printed the security chapter form the ZB so I am trying 
 to learn. It's
 just that at the moment I need a quick fix. Here is my case in detail:
 
 My site is located in the folder 'okstudio'. The 'root' 
 folder also contains
 a user folder and me as the only user. I am the manager of 
 the site(and the
 superuser). Several subfolders under folder 'okstudio' 
 contain files that
 can be accessed by anyone. All subfolders except for one have the same
 security settings - 'view and access contents'. I also have 
 an sql method
 that I use with in and /in to embed data from my database 
 in to HTML.
 The security settings of that method are - 'view, access contents
 information and use database methods'.
 There is one subfolder called 'wholesale' that should have restricted
 access. No viewing without authorisation. That folder will 
 contain info for
 customers only that should not be seen by anyone else. I 
 created a user
 subfolder in that folder where I listed myself as a 
 'manager'. I also took
 every permission from 'anonymous' so theoretically 
 'anonymous' should not be
 able to view the content of that folder. I also created 
 'index_html' DTML
 document and took all the permissions from anonymous there. I 
 am still how
 ever able to view the index_html as anonymous without any 
 authorisation.
 My question is: Is there a way how to make sure that no one 
 unauthorised
 gets to see any of the contents of 'wholesale' folder???
 
 Regards,
 
 George
 
 
  -Original Message-
  From: Chris McDonough [mailto:[EMAIL PROTECTED]]
  Sent: Tuesday, 5 September 2000 10:08
  To: George Osvald
  Cc: [EMAIL PROTECTED]
  Subject: RE: [Zope] Folder and SQL security
 
 
  On Tue, 5 Sep 2000, George Osvald wrote:
 
   My sql works now and security is satisfactory so thank you. The
  only thing
   that remains in question is that one subfolder. I created 
 a user folder
   inside, set all the security and it does not do what I 
 want. I want to
   restrict any access including viewing for nobody. Only
  authorised customers
   would be able to view the page. After turning off all the
  security options
   though I am still able to view the pages as nobody. How do I
  prevent that?
 
  Do you have "acquire permissions" set on all the permissions of the
  folder?  Have you tried turning it off?
 
  This may be a wild goose chase because I'm sort of guessing at your
  problem.   Your message has generalizations like "that one 
 subfolder"
  (what subfolder?  what are its settings?), "set all the security"
  (how?), "does not do what I want" (what do you want?  exactly how
  does it fail, can you give a concrete example?) and "the page" (what
  page?).  It'd be helpful to define these, because as much 
 as I try, I
  can't read minds.  :-)
 
  HTH,
 
  C
 
   
George wrote:

 Security in ZOPE is very puzzling. If I have certain rules
  set for the
 root folder, can I set something different for the 
 sub folders?
   
Sure... for general security information see both
http://www.zope.org/Members/michel/ZB (the Zope book 
 security chapter,
mostly finished) and 
http://www.zope.org/Members/mcdonc/PDG (security
   chapter mostly finished).
  
Any
changes seem to have no effect at all.
  
   can you be more specific?
  
I am especially wandering about
setting for anonymous user. I'd like to give them only 'viewing'
privilege but that does not work.
  
   How doesn't it work?
  
The site is not functional at all and
asks for the password even for the viewing. Then I enable
 'access the
content' and the site works as long as I do not try to use sql.
  
   Yes, "access contents information" is equivalent to allowing
 the user to
   list the objects in an object manager.  It's given to anonymous by
   default most of the time, and is probably required for most
 operations.
  
When I
how ever enable 'use sql methods' permission they can access my
database, delete and add entries to it.
  
   This should have nothing to do with 'access contents information'.
   There should be permissions available to restrict the use of sql
   methods.  Have you seen them?
  
What do I have to do to allow
anonymous viewers to just view the site
  
   Give them "view" and "access contents information" permissions.
   Depending on the products you've got installed and the operations
you
   want the users to be able to carry out, you may need to give
 them other
   permissions.
  
(keep in mind that 

Re: [Zope] That :method thingy.. where's it documented?

2000-09-05 Thread Evan Simpson

From: Brad Clements [EMAIL PROTECTED]
 Thanks but that's not really what I'm looking for.

 I thought there was a type ":method" that could be used as a way to
 call a method..

 Perhaps I'm just going crazy.

No, you're right, and the page Rik referenced really should be updated to
include it.  If "foo:method" is included in a form (usually by making it the
name of a submit button, or an option in a pick list) then "foo" is
effectively added to the end of the URL path. There is also
":default_method", the value of which is used if no ":method" is specified.
So:

form action="act"
  input type="text" name="foo"
  input type="hidden" name=":default_method" value="def"
  input type="submit" name="m1:method" value="1"
  input type="submit" name="m2:method" value="2"
/form

...will invoke "act/m1" or "act/m2" depending on whether you push button "1"
or "2", or "act/def" if you push the enter key (thereby submitting the form
without pressing either button).

Cheers,

Evan @ digicool  4-am


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[Zope] super cannot do

2000-09-05 Thread ethan mindlace fremen

Chris McDonough wrote:
 
 On Tue, 5 Sep 2000, Evan Simpson wrote:
 
   I've got to say I agree with you here.  I'm still not 100% sure why the
   superuser or bootstrap user can't own anything.
 
  It's due to a combination of the trojan horse issue and the sticky
  authentication issue, I think.  You really don't want to be authenticated as
  super very often, because while you are, if you visit a page someone else
  wrote, they can make your browser do evil things to your site.  This is also
  true of Managers, but less so.  Similarly, a page owned by non-super has
  tighter permissions than one owned by the super would.
 
 Yes... the PDG security chapter has all of this in it, but it would seem
 that neither Chris W or I are completely satisfied by these answers.  :-)
 It seems a matter of diminishing returns, especially when newbies hit the
 wall during install, since we haven't provided them with an airbag yet.

I think this is exlusively because as of 2.2.1 objects execute according
to their ownership, not according to the permissions of the
AUTHENTICATED_USER.

Because of the widespread security implications of letting an object
that can be called by anyone have superuser permissions (which was not
possible under the prior regime), superuser can no longer own.

You can still get superuser-esque behavior by doing something in
external methods or some other mechanism that bypasses the security
machinery.

-- 
ethan mindlace fremen
Zopatista Community Liason
Abnegate I!

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Re: [Zope] illegal id chars?

2000-09-05 Thread ethan mindlace fremen

Jason Byron wrote:
 
 Why is it that objects can't be created because the id
 chosen contains characters that aren't proper in urls?
  Spaces are allowed and converted to their hex values
 when you create an object.  Why not do this with every
 illegal url character?

As far as I personally know, illegal characters for id's are regulated
by what limits python sets on things, with the caveat that . is legal
even though you can't use a . in a pythonic context.

Whether it's "legalized" for URLS is totally dependant on url_quote.

-- 
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Zopatista Community Liason
Abnegate I!

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[Zope] binary math filesize

2000-09-05 Thread ethan mindlace fremen

Kapil Thangavelu wrote:

 http://www.zope.org/Members/ZQR
 
 get size in kbs assuming its an int
 
 dtml-var "get_size/1000"

 dtml-var "get_size/1024"

pedantically yours,
-- 
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Zopatista Community Liason
Abnegate I!

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Re: [Zope] supplemental group ids (Linux)

2000-09-05 Thread Kip Rugger

Bill Anderson  [EMAIL PROTECTED] wrote:
Kip Rugger wrote:
 
 Chris McDonough  [EMAIL PROTECTED] wrote:
 Aplogies for the ignorance, but can you maybe explain the concept
 of supplemental group ids and give an example of how the current unpatched
 behavior could be subverted?
 
 I can try...
 
 Supplemental gids are useful for allowing a user to belong to more
 than one group, or maybe to more than one project in normal parlance.
 This is normally effected by listing the uid opposite more than one
 group in /etc/group.  The login process issues the initgroups(3) call
 to install these supplemental groups, which are inherited by all
 processes forked from the login shell.
 The problem is comes when you change user ids; for example what I
 saw with Zope (start -u nobody) was:
 
  before change   after change
  =   
  user id root   nobody
  group idroot   nobody
  sup id(s)   root   root


Would you mind describing how you determine this?

[/proc] $ cat /proc/90/status
Name:   junkbuster
State:  S (sleeping)
Pid:90
PPid:   1
Uid:101 101 101 101
Gid:101 101 101 101
Groups: 101 -- supplemental groups
VmSize: 1348 kB
VmLck: 0 kB
VmRSS:   436 kB
VmData:  192 kB
VmStk:84 kB
VmExe:92 kB
VmLib:   952 kB
SigPnd: 
SigBlk: 
SigIgn: 80011006
SigCgt: 
CapInh: feff
CapPrm: 
CapEff: 

On my machine 101 is uid and gid for nobody; as you can see
junkbuster is correctly sandboxed.  For unmodified Zope, you'll
see a zero in the indicated line (or possibly several values
if root belongs to several groups like `wheel' on your system).

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Re: [Zope] supplemental group ids (Linux)

2000-09-05 Thread Kip Rugger

Andrew Kenneth Milton  [EMAIL PROTECTED] wrote:

|  I saw this on Linux; supplemental groups come from the BSD tradition,
|  so you likely will find the same situation on *BSD, Solaris, etc.

Sorry I missed the start of the thread, but, I can weigh in on this point.

Using -u user under FreeBSD gives you the Primary Group for the user you
have requested. Supplemental groups are available only for that user, not
the user you ran Zope as.

Interesting.  NetBSD has the Linux behaviour.

The Apache CGI wrapper does setgid and initgroups, in that order.

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[Zope] Getting the Date from Zope

2000-09-05 Thread Stuart Foster

I know I've seen many posts about this, I just can't find one.

I need to put the current date into an input's value when a form is loaded.
Is there a way to do this with DTML.

TIA
Stuart


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[Zope] EVENT: First Houston Zope Users Group Meeting

2000-09-05 Thread Larry Albert

An informal Houston Zope Users Group is holding a first meeting this
Wednesday evening, September 6, at 6:30 at the Koch Building in Greenway
Plaza, Houston. Topics will be Zope and Zope-related Python.

Because access to the Koch Building is limited, we will meet promptly at
6:30 in front of the Quizno's (deli) at 3837 Richmond, near Weslayan. At
6:40, we will go into the Koch building accompanied by George Runyan. If
you are able to join us, please be there on time or you will miss us --
there is no way for visitors to get into the building if you are unescorted. 

For further information, please email George Runyan at [EMAIL PROTECTED]




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Re: [Zope] binary math filesize

2000-09-05 Thread Dario Lopez-Kästen

 Kapil Thangavelu wrote:

  http://www.zope.org/Members/ZQR
 
  get size in kbs assuming its an int
 
  dtml-var "get_size/1000"

  dtml-var "get_size/1024"

 pedantically yours,
 --
 ethan mindlace fremen
 Zopatista Community Liason
 Abnegate I!

actually it turns out to be

dtml-var "size/1024"

get_size and getSize do not work for files (for reasons unknown to me; I am
a Zope newbie :-). haven't tried for any other objects.

Anybody knows more about the DateTime issues I posted about earlier?

/dario

- 
Dario Lopez-Kästen Systems Developer  Chalmers Univ. of Technology
[EMAIL PROTECTED]  ICQ will yield no hitsIT Systems  Services



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[Zope] ANN: Serving PHP/Perl from Zope update

2000-09-05 Thread andres

Hello Zopistas,

I have updated the HOW-TO: Serve PHP/Perl within Zope with a nifty
alternative by Joseph Wayne Norton. His suggestion allows PHP to call Zope
methods. Check it out at www.zope.org/Members/Mamey/PHP. 

The methods presented in the HOW-TO still have some deficiencies with
regards to Authorization and Cookies so suggestions and improvements are
very much welcome.

--
Andres Corrada-Emmanuel   Email: [EMAIL PROTECTED]
--

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[Zope] Not able to render a base class...

2000-09-05 Thread Brian Withun


= :PREFACE: =

I have placed the __init.py__ and Renderable.py into
.\lib\python\Products\Renderable and have restarted Zope (necessary?  ..I'm
too used to windows ;-)

I made a trivial little Folderish ZClass and am trying to get it to render
itself...

I've defined a 'view' tab that represents the ZClass, and it works as
expected, with 'View' being bound to an 'index_html' method of my folderish
ZClass.

I've added one of these ZClasses to a development folder.

The development folder also contains a dtml document named 'index_html' as
follows:

dtml-var standard_html_header
h2dtml-var title_or_id/h2
p
This is the dtml-var id Document.
/p
dtml-var one
dtml-var standard_html_footer


'test' is my product
'testclass' is my ZClass (in the product 'test')
'trial' is my development folder
'one' is the ZClass instance in the 'trial' folder
'Tropical' is an image id in the ZClass

= :PROBLEM: =

Why does 'trial/index_html' render this:

htmlhead/head
body
h2index_html/h2
p
This is the index_html Document.
/p
testclass instance at 00DD45A8
/body/html

..and how do I turn 'testclass instance at 00DD45A8' into a rendering of
the ZClass instance ?


Brian Withun


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Re: [Zope] Getting the Date from Zope

2000-09-05 Thread ethan mindlace fremen

Stuart Foster wrote:
 
 I know I've seen many posts about this, I just can't find one.
 
 I need to put the current date into an input's value when a form is loaded.
 Is there a way to do this with DTML.

input type="text" name="now" value="dtml-var ZopeTime fmt="fCommon""

See DateTime.py or the Zope Quick Reference for more information on how
to manipulate the format.

-- 
ethan mindlace fremen
Zopatista Community Liason
Abnegate I!

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[Zope] How to make and populate properties remotely..? 4 questions of the apocalypse..

2000-09-05 Thread Jason Cunliffe

Hello

Hoping some kind enlightened zopistas can point me to existing examples or
show me how the syntax works for this:

1. I need to  write a simple general method which will allow me to create a
property in the parent folder.

for example:

'createParentProperty()'  DTMLmethod
---
dtml with PARENTS[-1]
  dtml manage_addProperty(Id = 'myNewPopertyName')
  dtml manage_addProperty(type = 'tokens')
  dtml manage_addProperty(value = '')
dtml-with
-

2.  Then I need to extend my 'createParentProperty()'  method so I can call
it from an URL, http POST or GET.
I want to pass or fetch the parent folder's property 'Id' name.
for example:

http://www.zopesite.net/TOP/SUB/PROJECTA/createParentProperty?=id+statistics
type=tokens

will create a property Id = 'statistics' in PROJECTA folder of my site whose
type = 'tokens'
but if it exists already it will return a '1'

How to do this?


3. Then I need to do the same thing but this time setting or getting the
property's 'Value' field via http POST or GET.

for example:

http://www.zopesite.net/TOP/SUB/PROJECTA/createParentProperty?=id+statistics
value+2000september

will create a new property id = 'statistics', type = 'tokens', value ='
2000september'
but if 'statistics' already exists, the method will just change the value

4. Finally some properties we need to 'lock' so they cannot be overwritten
by the above methods.
However I do need to check remotely over http if this is so. For example:

http://www.zopesite.net/TOP/SUB/PROJECTA/createParentProperty?=id+adminvalu
e+2000September

will return an integer '2' or string such as : 'locked' or "property id =
'admin' is locked"
where:
0 = does not exist
1 = exists
3 = locked

How to do this?

...ideally there there should be a separete method we can call to lock or
unlock a property for admin use over http


Thanks for any help..deadlines loom..
- Jason

Jason CUNLIFFE = NOMADICS.(Interactive Art and Technology).Design Director



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[Zope] External method and stdout

2000-09-05 Thread Sven Hohage



Hallo,
that's theproblem:
I've made an external method which is working with 
lists and should return the result to Zope. The python code is working very 
well, but is sending everything to sys.stdout( I'musing the 
print-statement).How do I convince Zope to print the result on the 
html-page.
 Thanks.


[Zope] ZClass Bug (was: Re: [Zope] How to access id and title of document calling standard_html_header)

2000-09-05 Thread Dieter Maurer

Tim Hicks writes:
  OK, I think that I am perhaps misusing zclasses then.  Here is what I
  have.
No you did not.

  I have a Folder that was created by using the 'Add new item' menu
  within Zope.  This folder is called 'Site'.
  
  I have a Zclass called 'theatre_class' that has "Base classes ZObject,
  _ZClass_for_CatalogAware, _ZClass_for_DTMLDocument"
  
  Within the Folder 'Site', I have standard_html_header dtml-method ...
  However, if I try to put dtml-var id into the standard_html_header,
  I get nothing...

I analysed your problem (in Zope 2.1.6).
It is *NOT* a problem of "standard_html_header".
Instead, it is a ZCLass problem.

The id of a ZInstance created as
you described it returns "string". The browser shows this
as "empty" because it is a tag it does not understand and
therefore ignores.
You see it, though, when you look at the HTML source.

The reason for this strange id lies in a mismatch between
your ZClass, more precisely its __init__ method, and
the content of REQUEST:
   For some reason, your ZClass uses
   "DocumentTemplate.DT_String.__init__" as constructor.
   "DocumentTemplate.DT_String" defines a "id" function
   and lets it return the value of the "__init__" parameter
   "__name__". The default for "__name__" is, you guess it,
   "'string'".

   "ZClass.createInObjectManager" constructs the ZInstance.
   If the instance has a 'id', it takes this id and
   ignores the 'id' passed as parameter.

   Thus, you get a ZInstance with this strange id.


I am convinced, this is a ZClass bug.
I think, that the bug results from the fact, that
the constructor for a ZCLass deriving from DTML Document
used "__name__" as "id" replacement.


The analysis provides a workaround for you.
In your ZClass constructor, add
dtml-call "REQUEST.set('__name__',REQUEST['id'])"
before the
dtml-with "yourClass.createInObjectManager(REQUEST['id'],REQUEST)" 



Now, after I did some work for you, I have some tasks for you:

  * check, whether the bug is in Zope 2.2.1, too
  * if this turns out to be the case, file a bug report into
the collector.


Dieter


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[Zope] Re: [Zope-dev] Folderish objects and multiple inheritance

2000-09-05 Thread Andy McKay

Hmmm I can override inheritance in a simple class... I guess theres
something in Zope thats annoying this:

class A:
 var = 'A'

 def test(self):
  return self.var

class B:
 var = 'B'

 def test(self):
  return self.var

class C(B, A):
 var = 'C'

 def test(self):
  return A.var

c = C()
print c.test()

OUTPUT A

- Original Message -
From: "Andy McKay" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, September 05, 2000 11:35 AM
Subject: [Zope-dev] Folderish objects and multiple inheritance


 Hi there,

 Ok so I have a class that has multiple inheritance. My main class (A)
works
 fine, but I wanted to add in folderish properties. The problem is the
order
 of multiple inheritance and viewing folder objects. When you view a folder
 from you call index_html and this gives a content list.

 By inheriting this way:

 class B(A, Folder):

 I have kept all my A methods. However viewing it does not produce the
 content list since its overwritten by A. Of course inheriting:

 class B(Folder, A):

 Does work for that, but breaks all my other methods.

 Solutions:

 Well I tried defining a tab - view_folder which was something along the
line
 of:

 def view_folder(self, client=None, REQUEST={}):
 ''' doc string '''
 return Folder(self, client, REQUEST)

 But get an attribute error on manage_tabs.

 Any ideas?

 Thanks.

 --
   Andy McKay, Developer.
   ActiveState.


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Re: [Zope] Not able to render a base class...

2000-09-05 Thread Kapil Thangavelu

Brian Withun wrote:
 
 = :PREFACE: =
 
 I have placed the __init.py__ and Renderable.py into
 .\lib\python\Products\Renderable and have restarted Zope (necessary?  ..I'm
 too used to windows ;-)
 
 I made a trivial little Folderish ZClass and am trying to get it to render
 itself...
 
 I've defined a 'view' tab that represents the ZClass, and it works as
 expected, with 'View' being bound to an 'index_html' method of my folderish
 ZClass.
 
 I've added one of these ZClasses to a development folder.
 
 The development folder also contains a dtml document named 'index_html' as
 follows:
 
 dtml-var standard_html_header
 h2dtml-var title_or_id/h2
 p
 This is the dtml-var id Document.
 /p
 dtml-var one
 dtml-var standard_html_footer
 
 'test' is my product
 'testclass' is my ZClass (in the product 'test')
 'trial' is my development folder
 'one' is the ZClass instance in the 'trial' folder
 'Tropical' is an image id in the ZClass
 
 = :PROBLEM: =
 
 Why does 'trial/index_html' render this:
 
 htmlhead/head
 body
 h2index_html/h2
 p
 This is the index_html Document.
 /p
 testclass instance at 00DD45A8
 /body/html
 
 ..and how do I turn 'testclass instance at 00DD45A8' into a rendering of
 the ZClass instance ?


Make sure your zclass inherits from Renderable
make a dtml method called render in your zclass 
adjust render to display the zclass as you wish


Kapil

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Re: [Zope] Re: [Zope-dev] Folderish objects and multiple inheritance

2000-09-05 Thread Andy McKay

Darn sorry wrong alias.

- Original Message -
From: "Andy McKay" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, September 05, 2000 2:13 PM
Subject: [Zope] Re: [Zope-dev] Folderish objects and multiple inheritance


 Hmmm I can override inheritance in a simple class... I guess theres
 something in Zope thats annoying this:

 class A:
  var = 'A'

  def test(self):
   return self.var

 class B:
  var = 'B'

  def test(self):
   return self.var

 class C(B, A):
  var = 'C'

  def test(self):
   return A.var

 c = C()
 print c.test()

 OUTPUT A

 - Original Message -
 From: "Andy McKay" [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Sent: Tuesday, September 05, 2000 11:35 AM
 Subject: [Zope-dev] Folderish objects and multiple inheritance


  Hi there,
 
  Ok so I have a class that has multiple inheritance. My main class (A)
 works
  fine, but I wanted to add in folderish properties. The problem is the
 order
  of multiple inheritance and viewing folder objects. When you view a
folder
  from you call index_html and this gives a content list.
 
  By inheriting this way:
 
  class B(A, Folder):
 
  I have kept all my A methods. However viewing it does not produce the
  content list since its overwritten by A. Of course inheriting:
 
  class B(Folder, A):
 
  Does work for that, but breaks all my other methods.
 
  Solutions:
 
  Well I tried defining a tab - view_folder which was something along the
 line
  of:
 
  def view_folder(self, client=None, REQUEST={}):
  ''' doc string '''
  return Folder(self, client, REQUEST)
 
  But get an attribute error on manage_tabs.
 
  Any ideas?
 
  Thanks.
 
  --
Andy McKay, Developer.
ActiveState.
 
 
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[Zope] wikis down momentarily

2000-09-05 Thread ethan mindlace fremen

Zopatistas,

Wikis will be offline briefly as we ZEO-fy them.  Thanks for your
patience,
-- 
ethan mindlace fremen
Zopatista Community Liason
Abnegate I!

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[Zope] The Ascetic Superuser

2000-09-05 Thread ethan mindlace fremen

Chris Withers wrote:

 Well, okay, let me rephrase the question:
 Why is it bad for the bootstrap user to own anything?
 It used to be considered okay before Zope 2.2, so was has been
 changed/discovered that makes this now such a bad idea that despite
 loads of newbie pain and confusion, it's still worth while/necessary?

Objects used to execute according to the permissions of the
AUTHENTICATED_USER or the proxy role.  "Ownership" only applied (for
execution purposes) if you explicitly set the proxy role to "Owner".

This was a Very Bad Thing (tm) because once you authenticated as
superuser you could view a random HTML page on the web/in your inbox
that had a little javascript thingy that went and wiped out your entire
site or insert maliciousness here

Now every object excecutes according to the permision of the owner,
*not* the viewer. It can also run as a proxy role.  The
super-bootstrap-user lives outside of "normal" zope authentication  has
permission to do anything save that which NotEvenGodShouldDo. 
Therefore, it shouldn't own objects.

This is *quite* important, and needs to stay.  I don't know how to
emphasize enough that this is a well thought out correction to an
extremely deadly class of security problems that still (afaik) plagues
many "other" through-the-web management systems.

The newbie pain, however, could probably be mitigated- don't call it a
Super user, since it hardly deserves the S or the cape.  Have a user in
the default install.  Something like that.  Patches accepted.

-- 
ethan mindlace fremen
Zopatista Community Liason
Abnegate I!

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[Zope] Re: ZClass Bug (was: Re: [Zope] How to access id and title of document calling standard_html_header)

2000-09-05 Thread Tim Hicks


- Original Message -
From: "Dieter Maurer" [EMAIL PROTECTED]
To: "Tim Hicks" [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Tuesday, September 05, 2000 9:44 PM
Subject: ZClass Bug (was: Re: [Zope] How to access id and title of
document calling standard_html_header)


 Tim Hicks writes:
   OK, I think that I am perhaps misusing zclasses then.  Here is
what I
   have.
 No you did not.


That's a relief.

   I have a Folder that was created by using the 'Add new item' menu
   within Zope.  This folder is called 'Site'.
  
   I have a Zclass called 'theatre_class' that has "Base classes
ZObject,
   _ZClass_for_CatalogAware, _ZClass_for_DTMLDocument"
  
   Within the Folder 'Site', I have standard_html_header dtml-method
...
   However, if I try to put dtml-var id into the
standard_html_header,
   I get nothing...

 I analysed your problem (in Zope 2.1.6).
 It is *NOT* a problem of "standard_html_header".
 Instead, it is a ZCLass problem.


OK.

 The id of a ZInstance created as
 you described it returns "string". The browser shows this
 as "empty" because it is a tag it does not understand and
 therefore ignores.
 You see it, though, when you look at the HTML source.


Yup, I'm with you on that.

 The reason for this strange id lies in a mismatch between
 your ZClass, more precisely its __init__ method, and
 the content of REQUEST:
For some reason, your ZClass uses
"DocumentTemplate.DT_String.__init__" as constructor.
"DocumentTemplate.DT_String" defines a "id" function
and lets it return the value of the "__init__" parameter
"__name__". The default for "__name__" is, you guess it,
"'string'".


You are losing me a bit with the "__init__",
"DocumentTemplate.DT_String" and "__name__" (I'm afraid my Python is
limited, to say the least!).  I do see the results of string being
the default value though ;-).

"ZClass.createInObjectManager" constructs the ZInstance.
If the instance has a 'id', it takes this id and
ignores the 'id' passed as parameter.

Thus, you get a ZInstance with this strange id.


I think I'm with you there.


 I am convinced, this is a ZClass bug.
 I think, that the bug results from the fact, that
 the constructor for a ZCLass deriving from DTML Document
 used "__name__" as "id" replacement.


 The analysis provides a workaround for you.
 In your ZClass constructor, add
 dtml-call "REQUEST.set('__name__',REQUEST['id'])"
 before the
 dtml-with
"yourClass.createInObjectManager(REQUEST['id'],REQUEST)"


Great.  I presume that this will only work for all *new* instances of
this class however!  I don't suppose you know of a way of remaking all
44 instances of this Zclass I have using this adjusted constructor? I
have tried (see below), but I think I come up against the same
'string' problem that I'm actually trying to counteract!

dtml-in Catalog

dtml-call "REQUEST.set('sequence-item',REQUEST['id'])"
dtml-with "theatre_class.createInObjectManager(REQUEST['id'],
REQUEST)"

 dtml-call
"propertysheets.theatre_class_property.manage_editProperties(REQUEST)"

 dtml-call "manage_edit(REQUEST)"

/dtml-with

/dtml-in

Anyway, I guess this is a different problem again really isn't it?  I
think for now, it will be easier to use my less elegant workaround of
giving the zclass another property called 'counter_id' * that is the
same as the actual id.  I know that this works, and it won't take as
long as remaking all the instances again... I don't have the strength
for that I don't think.

I'll definitely file away your fix for future reference though.
Thanks very much.



 Now, after I did some work for you, I have some tasks for you:

   * check, whether the bug is in Zope 2.2.1, too

Yes, it does.  I have now found this to occur in 2.1.6, 2.2.0 and
2.2.1.

   * if this turns out to be the case, file a bug report into
 the collector.


Right, I have done that, hopefully satisfactorily!  Hope you don't
mind, I used 'extensive' quotes from your reply... no point in using
my words to confuse the issue!
Thanks very much Dieter, you've been a MASSIVE help.

tim


 Dieter



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Re: [Zope] newbiz : zope connection

2000-09-05 Thread ethan mindlace fremen

Stephan Goeldi wrote:

 But if you use ProxyPass like me, there is only the IP address of the Apache
 Server in this logfile, so there is only one user in the Z2.log file logged.
 You have to check out the Apache logfile, usually /var/log/httpd/access_log
 to see the different IP addresses. The logfile-format of Apache is the same
 as in Zope.

You can also set up apache with server-status which indicates the
current requests.  See mod_status on the apache page.

-- 
ethan mindlace fremen
Zopatista Community Liason
Abnegate I!

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Re: [Zope] External method and stdout

2000-09-05 Thread Kapil Thangavelu

Andreas Pauley wrote:
 
 For some reason you have to "return" everything that should be available
 to zope. You can return a sequence and loop through it with DTML or you
 can build a variable with everything you want to display and then return
 the variable.
 
 I have no idea why this is so, and why you can't just the print
 statement as an equivalent to dtml-var.
 
 There is probably elegant ways of replacing DTML with external methods
 or Python Methods, I was just unable to find documentation and examples
 on it until now. Can anyone help with this?
 
 Regards,
 Andreas.

there are a couple of ways. first zope's publishing objects. if your
publishing a dtml method object than the semantics of it require that
values be inserted into the template/page thats being returned to the
user. you can also publish an external method or a python module
directly(indeed Zope is just a published python module). but sticking to
zope external methods, an example, if you had

def myhello_world(self, REQUEST):

page = " welcome to %s corner of my hello world
"%self.getParentNode().id


and just browse directly to the external method. its important to keep
in mind that stdout isn't connected to the client. the client is
connected to medusa/ZServer, which gives a channel to ZPublisher to
publish data that will be returned to the client. this mainly applies to
fs code, i'm not totally sure about the semantics of web python
methods.  i know this probably goes a bit further down the rabbit hole
than you might be interested in going. if you want to know some more of
the details. 

check out the medusa docs at
http://www.nightmare.com/medusa

and the ZPublisher docs under the Documentation Sec. of Zope.org. 
These are dated but they give a understanding of the interaction between
medusa's asynch interfaces and zope.

and of course the source code.

you could also use document templates directly from python

def new_world_order(self, REQUEST):
from DocumentTemplate import HTML

my_sites = [('My homepage','http://homepage'), 
('my favorite bookstore','http://amazon.com')
, ... etc]


page_to_return = """
html
body

ul
dtml-in sites
lia href="dtml-var sequence-item"dtml-var sequence-key/a/li
/dtml-in
/ul

/body
/html

"""

return HTML(my_sites)(sites=my_sites)

or evaluate a dtml file on the file system using HTMLFILE

see the DocumentTemplate directory for source and more examples

D.Templates also give you a pretty good separation of app. logic and
presentation. Doing straight python insertion in a page is not the Zope
Way. if you're interested in this type of thing, you might want to check
out some other python projects like mod_snake (apache),
pywx.sourceforge.net (aolserver), or webware. I'll think you find the
benefits of doing it through DTML offer you a lot more benefits in terms
on maintainbility and site management.

Cheers

Kapil


  Sven Hohage wrote:
 
  Hallo,
  that's the problem:
  I've made an external method which is working with lists and should
  return the result to Zope. The python code is working very well, but
  is sending everything to sys.stdout( I'm using the
  print-statement).How do I convince  Zope to print the result on the
  html-page.
 Thanks.
 
 --
 In a world without fences, who needs gates?
 
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Re: [Zope] The Ascetic Superuser

2000-09-05 Thread Chris McDonough

On Tue, 5 Sep 2000, ethan mindlace fremen wrote:
 Now every object excecutes according to the permision of the owner,
 *not* the viewer. It can also run as a proxy role.  The
 super-bootstrap-user lives outside of "normal" zope authentication  has
 permission to do anything save that which NotEvenGodShouldDo. 
 Therefore, it shouldn't own objects.

Methods actually now execute with the effective intersection of the
permissions granted to the AUTHENTICATED_USER and the permissions
granted to the method's owner.  If a proxy role is specified, the method
executes with permissions restricted to those roles assigned by the proxy
role.

This is unarguably a good thing.  What's not entirely clear is *why*
super can't own, which is a separate issue.  The power it has beyond
that of a normal management user is the ability to traverse the site
unrestricted by the security machinery.  I actually don't think
there's an answer to this question that has to do with method
execution.  I think the ultimate answer is one or a few of the
following: "because," "shrug," "for audit trail purposes," or "so you
don't shoot yourself in the foot," or "be quiet."  :-) Alternately,
the answer might lie in an unobvious implementation detail that none
of us really want to think about.

 This is *quite* important, and needs to stay.  I don't know how to
 emphasize enough that this is a well thought out correction to an
 extremely deadly class of security problems that still (afaik) plagues
 many "other" through-the-web management systems.

I just can't think of any situations where having a method execute with
the effective intersection of the permissions granted to superuser and
the permissions granted to another user would cause more damage
than a method executing with the effective intersection of the permissions
granted to a normal management user and another user.  Can you? 

 The newbie pain, however, could probably be mitigated- don't call it a
 Super user, since it hardly deserves the S or the cape.  Have a user in
 the default install.  Something like that.

I agree.  This should happen soon.

Chris McDonough
Digital Creations, Publishers of Zope
http://www.zope.org


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[Zope] Zope 2.2 ZopeAttributionButton

2000-09-05 Thread Ira Hochman

Hello

Does anyone know how to set security on ZopeAttributionButton?  

Since it is referenced (currently) in my standard_html_footer, users
who have only access to their subdirectory get an error on pages that
reference this footer.

I'd rather set it up properly than remove the credits.

TIA!
--ira

-- 
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[EMAIL PROTECTED] - email


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Re: [Zope] supplemental group ids (Linux)

2000-09-05 Thread Andrew Kenneth Milton

+---[ Kip Rugger ]--
|
| On my machine 101 is uid and gid for nobody; as you can see
| junkbuster is correctly sandboxed.  For unmodified Zope, you'll
| see a zero in the indicated line (or possibly several values
| if root belongs to several groups like `wheel' on your system).

Have you actually tried to change to that group?

-- 
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The Internet (Aust) Pty Ltd  |  F:+61 7 3870 4477   | 
ACN: 082 081 472 ABN: 83 082 081 472 |  M:+61 416 022 411   | Carpe Daemon
PO Box 837 Indooroopilly QLD 4068|[EMAIL PROTECTED]| 

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RE: [Zope] Underscore Caracter

2000-09-05 Thread T.J. Mannos

Hmm.. Shouldn't that be:

_.string.join(_.string.split('asd asd'), ' '), '_')

Or, alternatively (and more intuitively),

_.string.replace('asd asd', ' ', '_')
_.string.replace('asd_asd', '_', ' ')

- T.J.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Chris
McDonough
Sent: Monday, September 04, 2000 5:56 PM
To: Marcus Mendes
Cc: [EMAIL PROTECTED]
Subject: Re: [Zope] Underscore Caracter


Hi Marcus,

This is untested.

Turn "asd asd" into "asd_asd" and output:

dtml-var "_.string.join(_.string.split('asd asd'), '_')"

Turn "asd_asd" into "asd asd" and output:

dtml-var "_.string.join(_.string.split('asd_asd', '_'))"

On Sun, 3 Sep 2000, Marcus Mendes wrote:
 Hello,
 
 I need replace 0x20 (space caracter ) to Undescore Caracter. I need also
 a function that UNDO this operation. How can I to do this in DTML
 sintaxe?

Chris McDonough
Digital Creations, Publishers of Zope
http://www.zope.org


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RE: [Zope] dtml-comment doesn't? Please fix... ;-)

2000-09-05 Thread T.J. Mannos

Andrew,

Did you see my solution to this?

!--#comment

this is all commented stuff.
dtml-in "invalid_dtml_syntax"@#$#@%^
  dtml-do wreak_havoc
/dtml-unless

--/dtml-comment

I also posted a patch that would allow you to use syntax like this:
!--#c
dtml-with bad_code
This neither renders nor preprocesses.
/dtml-in
--

Same effect, but a bit cleaner.  If you'd like a copy of that patch, send me
an e-mail.

Take care,
T.J.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Andrew Kenneth Milton
Sent: Monday, September 04, 2000 5:11 PM
To: Kip Rugger
Cc: [EMAIL PROTECTED]
Subject: Re: [Zope] dtml-comment doesn't? Please fix... ;-)

Won't work, the container will still be parsed for correctness at 'save'
time.
The problem isn't getting nested comments per se, we already have that.
The problem is to completely ignore the contents of the comment tag whilst
still allowing nested comments.


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[Zope] categorization request

2000-09-05 Thread ethan mindlace fremen

Zopatistas!

I'd like to categorize the how-Tos in a similar style to how the
products have been categorized.
What I'm looking for is a volunteer who is willing to go through *all*
the current HowTos and propose a classification.
-- 
ethan mindlace fremen
Zopatista Community Liason
Abnegate I!

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RE: [Zope] Underscore Caracter

2000-09-05 Thread Chris McDonough

On Tue, 5 Sep 2000, T.J. Mannos wrote:
 Hmm.. Shouldn't that be:
 
 _.string.join(_.string.split('asd asd'), ' '), '_')

The second argument is implicit on string.split (it defaults to a single
space).  But your way works too.

 Or, alternatively (and more intuitively),
 
 _.string.replace('asd asd', ' ', '_')
 _.string.replace('asd_asd', '_', ' ')

It should be noted that _.string.replace() is not mentioned in the DTML
reference guide.  If it exists, it should be used.  Sigh.  I can't wait
for the Zope Book to come out, I'm going to be the first buyer.  ;-)

 Hi Marcus,
 
 This is untested.
 
 Turn "asd asd" into "asd_asd" and output:
 
 dtml-var "_.string.join(_.string.split('asd asd'), '_')"
 
 Turn "asd_asd" into "asd asd" and output:
 
 dtml-var "_.string.join(_.string.split('asd_asd', '_'))"
 
 On Sun, 3 Sep 2000, Marcus Mendes wrote:
  Hello,
  
  I need replace 0x20 (space caracter ) to Undescore Caracter. I need also
  a function that UNDO this operation. How can I to do this in DTML
  sintaxe?
 

Chris McDonough
Digital Creations, Publishers of Zope
http://www.zope.org


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[Zope] OSError along with FSSession...

2000-09-05 Thread Chien-Pin Wang


Dear Zope Users:

 I have upgraded to FSSession 0.4.2 lately and occasionally run into
the same problem several times. Each time it costs me a zope down. I do
really need some help...


 Zope complains an error type "OSError" and throws the error value
saying [Errno 21] Is a directory: '/usr/local/zope/var/FSSession/'
occasionally since a recent upgrade of FSSession product to 0.4.2.
Following that error will be a series of TransactionErrors for each and
every request Zope received. And only a zope restart could help zope
resume its operations. Since this error only comes up occasionally, I'm
completely clueless on solving it. 

 My environment is RedHat Linux 6.2 + Zope 2.1.6. The traceback
information looks like this...

Traceback (innermost last):
  File /usr/local/Zope-2.1.6-src/lib/python/ZPublisher/Publish.py, line
169, in
publish
  File /usr/local/Zope-2.1.6-src/lib/python/ZODB/Transaction.py, line 275,
in co
mmit
  File /usr/local/Zope-2.1.6-src/lib/python/Shared/DC/ZRDB/TM.py, line
120, in t
pc_finish
(Object: TM)
  File /usr/local/zope/lib/python/Products/FSSession/FSSession.py, line
87, in _
finish
(Object: TM)
  File /usr/local/zope/lib/python/Products/FSSession/FSSession.py, line
208, in
final_commit
(Object: FSSession)
OSError: [Errno 21] Is a directory: '/usr/local/zope/var/FSSession/'

Any help will be very appreciative!

Chien-pin


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Re: [Zope] supplemental group ids (Linux)

2000-09-05 Thread Chris McDonough


After some digging, it appears that this is a really good find.  Thanks
very much for reporting it.  I am going to add a collector item with your
message verbatim.

Thanks very much!

- C

On 4 Sep 2000 [EMAIL PROTECTED] wrote:

 I noticed when starting Zope as root (to get privilaged ports),
 but requesting suid to `nobody' (start -u nobody) the resulting
 processes have the correct uid and gid, but the supplemental
 group id list still has the appropriate value for root.  This
 means that the Zope process could, for example, write to files
 that may belong to root.
 
 It's not clear whether this deserves a bug report, so I though
 I'd ask here instead.
 
 
 The fix is easy (and very lightly tested):
 
 1) grab and install the supplemental gid package (for python)
http://www.ccraig.org/software/group.c
 
 2) patch (for 2.2.0)
 
 --- z2.py.origFri Jun 30 10:23:53 2000
 +++ z2.py Mon Sep  4 14:33:51 2000
 @@ -682,13 +682,20 @@
  if type(UID) == type(""):
  uid = pwd.getpwnam(UID)[2]
  gid = pwd.getpwnam(UID)[3]
 +uname = UID
  elif type(UID) == type(1):
  uid = pwd.getpwuid(UID)[2]
  gid = pwd.getpwuid(UID)[3]
 +uname = pwd.getpwuid(UID)[1]
  else:
  raise KeyError 
  try:
  if gid is not None:
 +try:
 +import group
 +group.initgroups(uname, gid)
 +except:
 +pass
  try:
  os.setgid(gid)
  except OSError:
 
 
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RE: [Zope] Underscore Caracter

2000-09-05 Thread T.J. Mannos

Yep, it's there, but it's not documented.

Basically, anything in the python "string" module should be accessible from
Zope DTML.

Now, who do I have to beat up to get the 're' module added to the namespace
variable???  :)

- T.J.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Chris
McDonough
Sent: Tuesday, September 05, 2000 7:54 PM
To: T.J. Mannos
Cc: Marcus Mendes; [EMAIL PROTECTED]
Subject: RE: [Zope] Underscore Caracter


On Tue, 5 Sep 2000, T.J. Mannos wrote:
 Hmm.. Shouldn't that be:

 _.string.join(_.string.split('asd asd'), ' '), '_')

The second argument is implicit on string.split (it defaults to a single
space).  But your way works too.

 Or, alternatively (and more intuitively),

 _.string.replace('asd asd', ' ', '_')
 _.string.replace('asd_asd', '_', ' ')

It should be noted that _.string.replace() is not mentioned in the DTML
reference guide.  If it exists, it should be used.  Sigh.  I can't wait
for the Zope Book to come out, I'm going to be the first buyer.  ;-)

 Hi Marcus,

 This is untested.

 Turn "asd asd" into "asd_asd" and output:

 dtml-var "_.string.join(_.string.split('asd asd'), '_')"

 Turn "asd_asd" into "asd asd" and output:

 dtml-var "_.string.join(_.string.split('asd_asd', '_'))"

 On Sun, 3 Sep 2000, Marcus Mendes wrote:
  Hello,
 
  I need replace 0x20 (space caracter ) to Undescore Caracter. I need also
  a function that UNDO this operation. How can I to do this in DTML
  sintaxe?


Chris McDonough
Digital Creations, Publishers of Zope
http://www.zope.org


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RE: [Zope] Underscore Caracter

2000-09-05 Thread Dennis Nichols

At 9/5/00 09:54 PM, Chris McDonough wrote:
It should be noted that _.string.replace() is not mentioned in the DTML
reference guide.  If it exists, it should be used.  Sigh.  I can't wait
for the Zope Book to come out, I'm going to be the first buyer.  ;-)

Not that I would expect it to exist, but according to "Python Essential 
Reference" p. 117, it is indeed present in the string module:

 replace( str, old, new [,max] )



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RE: [Zope] Underscore Caracter

2000-09-05 Thread Chris McDonough

Yes.  Thank you.

Note however that methods of modules accessed via the underscore namespace
may be filtered individually, so although 'replace' exists as a method of
the Python string module, this does not necessarily make it accessible
implicitly through Zope via _.string.replace.  It happens to be accessible
in this case, but I'd bet there are cases in which methods accessible
via modules of the _ namespace have been removed for "safe scripting"
purposes.

The solution is proper documentation.

On Tue, 5 Sep 2000, Dennis Nichols wrote:

 At 9/5/00 09:54 PM, Chris McDonough wrote:
 It should be noted that _.string.replace() is not mentioned in the DTML
 reference guide.  If it exists, it should be used.  Sigh.  I can't wait
 for the Zope Book to come out, I'm going to be the first buyer.  ;-)
 
 Not that I would expect it to exist, but according to "Python Essential 
 Reference" p. 117, it is indeed present in the string module:
 
  replace( str, old, new [,max] )
 
 
 
 --
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 [EMAIL PROTECTED]
 
 
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Re: [Zope] Ad banners in Zope anyone ?

2000-09-05 Thread andres

Of the two methods currently described on the How-To for PHP from within
Zope, one of them does handle authorization. Neither handles cookies at the
present time. Advise on how to fix these limitations would be much
appreciated.

On Tue, Sep 05, 2000 at 02:23:19PM +, Bill Welch wrote:
 Check out the How-To athttp://www.zope.org/Members/Mamey/PHP. Doesn't
 handle redirection, authorization, or cookie passing, but it's a
 start. If you need the above mentioned features, I'll be posting my update
 by the end of the week.
 
 Bill.
 
 On Sat, 2 Sep 2000, Jason Cunliffe wrote:
 
  - Can one run PHP from inside of Zserver/ZODB easily?
  - How would to do that?
  - Is anyone using Zope for Ad Banner services??
  - What would would make it a good or bad choice?
 
 
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[Zope] RFC: ZEO howto

2000-09-05 Thread Bak @ kedai

hi all
drafted a simple how-to: use zeo with zope.  need your inputs, corrections, 
comments, experience, notes, etc before i catalog it

http://www.zope.org/Members/kedai/UseZeoZope

thanks!

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Re: [Zope] problems installing PoPy-1.3.4 (fwd)

2000-09-05 Thread Bak @ kedai


  checking location of python shared
  modules... $(exec_prefix)/lib/python1.5/site-packages
  checking for PQconnectStart in -lpq... no
  configure: error: can't build without PostgreSQL libraries
 

i struggled with this for quite some time.  until i upgraded postgres to 
v7.0.2

i don't think i  saw any requirement of a v7.x anywhere, but maybe i'm blind 
after spending too much time in front of the computer :)

also, with 1.3.4, you need to add a comma (,) at line  that has
  __compatibility__ = ('1.3.4',) 
   ^
in ZPoPyDA/PoPy_db.py
hth

  Now type 'make' to compile PoPy python module.
 
 
 
 
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Re: [Zope] RFC: ZEO howto

2000-09-05 Thread Chris McDonough

Looks great... I'd run it through a spell-checker if you've got one, but
otherwise the content is really useful.

Thanks!

C

On Wed, 6 Sep 2000, Bak @ kedai wrote:

 hi all
 drafted a simple how-to: use zeo with zope.  need your inputs, corrections, 
 comments, experience, notes, etc before i catalog it
 
 http://www.zope.org/Members/kedai/UseZeoZope
 
 thanks!
 
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[Zope] For the Zope community

2000-09-05 Thread Shane Hathaway

Zopistas,

It has been very rewarding to work with DC and the Zope community.  I
have learned a lot about software and community spirit.  I have never
had the opportunity to work with a more enthusiastic and dedicated
group of developers.

So at this time I'm releasing two new products designed to help Zope
users to get their job done more easily.

http://www.zope.org/Members/hathawsh/ZDebug/index_html

ZDebug is a set of patches to Zope that help in the deciphering of DTML
errors and authorization exceptions.  Because this is the first
release, remember to make a backup before installing.

http://www.zope.org/Members/hathawsh/tcpwatch/index_html

TCPWatch is a simple Python script that lets you monitor a TCP
connection.  It does *not* depend on Zope, but it can be especially
useful when writing Zope apps for WAP devices because the WAP devices
will not display Zope exceptions while TCPWatch will.  It's also useful
for debugging any TCP/IP-based protocol implementation.

Keep up the awesome work!

Shane

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