April 2001 - Zope - Zope lists

RE: [Zope] HowTo? onChange assign value to dtml-var
by Shaw, Mark 05 Apr '01

05 Apr '01

Thanks everyone. My solution was to use a plain old javascript variable and not a DTML variable. onChange="(first_name = this.value)" where first_name is a global javascript variable. -Mark -----Original Message----- From: Joel Burton [mailto:jburton@scw.org] Sent: Thursday, April 05, 2001 1:20 PM To: Shaw, Mark Cc: Zope@Zope. Org Subject: Re: [Zope] HowTo? onChange assign value to dtml-var On Thu, 5 Apr 2001, Shaw, Mark wrote: > Hello everyone, > > Does anyone have an example of how to do the following: > > Let's assume I have a form named form1 with a field named fld_first_name. > > On any change in the value of that field, I would like to assign the new > value to a dtml variable that was previously defined using . > > Something like this: > > <input type="text" name="fld_first_name" onChange='' > > > I would like to do this so that I can have access to the new value without > the SUBMIT button being pressed. > > Thanks in advance for any help/pointers/code examples provided. Sorry, but, the DTML is long resolved and done before the web page ever gets to your browser, so you can't assign anything to DTML from a form action *while still on that page*. This isn't a Zope problem; its the whole fundamental client/server web thang. The onChange method could load a new page, or refresh the current page, passing the new name as it did so. -- Joel Burton <jburton(a)scw.org> Director of Information Systems, Support Center of Washington _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )

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Re: [Zope] Surprises with dtml-in and dtml-with
by Dieter Maurer 05 Apr '01

05 Apr '01

Shai Berger writes: > I found a very peculiar behvaior in the interaction > between dtml-with and dtml-in..... > <dtml-in QueryA> > .... > <dtml-in QueryB> > <dtml-with Folder3> > ...access common fields... > Now, to my surprise, it turns out that when common fields > are accessed as shown above, QueryA takes precedence. To > my even greater surprise, it turns out that ... > <dtml-in QueryA> > .... > <dtml-with Folder3> > <dtml-in QueryB> > ...access common fields... > Restores predicted behavior (i.e. QueryB results take precedence). > Has anyone seen behavior like this? Can anyone explain it? Yes, it came up already in the list: It is probably an interesting acquisition effect * the current object of an "in" interation is pushed onto the DTML namespace wrapped into an "InstanceDict" * if the current object came from a Z SQL query, then its acquisition context is set to the Z SQL query. It seems that your "Folder3" above is found via the current object of the "QueryA" iteration. Therefore, this object forms the acquisition context of "Folder3". The rest is easy: With "Folder3" on top of the DTML namespace, it is ask first for the "common fields". It does not have them itself and asks its acquisition context, the "QueryA" interation object. This happily provides its values. With "in" and "with" interchanged, the "QueryB" iteration object is on top of the namespace and resolves the names. Dieter

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Zope expert near Linköping, Sweden
by Henrik Edlund 05 Apr '01

05 Apr '01

Hello, I am looking for a Zope expert near Linköping in Sweden that might be interested in coming to Linköping University to answer detailed questions about Zope. We are about to decide about a new central CM system and Zope is one of the contenders, but we need someone with experience and expertise that can answer detailed questions about Zopes ability to meet our demands. Please contact me in private if you meet the requirements described above. Sincerely, Henrik -- Henrik Edlund <henrik(a)edlund.org> (HE2914-RIPE) http://www.edlund.org/ "They were in the wrong place at the wrong time. Naturally they became heroes." Leia Organa of Alderaan, Senator

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RE: [Zope] ZServer *still* dying - help?
by Mayers, Philip J 05 Apr '01

05 Apr '01

Ok, I've got a "fails reliably once every few (>15) request" still held over from the last person I sent it to - it *still* fails on Zope 2.3.1, I've got a zexp and the full instructions: Ok, the zexp should be accessible from: http://blacklotus.cc.ic.ac.uk/~pjm3/bug.zexp You'll need Psycopg installed and a Postgresql server. I used psycopg-0.4.6.tar.gz, available from: http://blacklotus.cc.ic.ac.uk/~pjm3/psycopg-0.4.6.tar.gz (note - same results with 0.5.1) If you can't get a Postgresql server, let me know and you can point it at mine (I'll need to know the subnet(s) you'll be coming from). The following should create everything needed to repro the bug: CREATE TABLE machine ( machineid text, owner text NOT NULL, ownerdept text NOT NULL, owneremail text NOT NULL, ownertel text, machinetype text, machineos text, machineserialno text, location text NOT NULL, comment text, updatedby text, updatedat timestamp, PRIMARY KEY (machineid) ); insert into machine (machineid, owner, ownerdept, owneremail, ownertel, machinetype, machineos, machineserialno, location, comment, updatedby, updatedat) values ('wildfire.net.ic.ac.uk', 'Phil Mayers', '410 Mech Eng', 'p.mayers(a)ic.ac.uk', '46973', 'PC NT / Linux', '410 Mech Eng', 'batch', now()) Import the ZEXP, then try getting: http://zope.server:port/showmachine_html Very quickly, possibly using the script I posted yesterday: http://blacklotus.cc.ic.ac.uk/~pjm3/floodget.py Usage: floodget.py server:port /url/file?argument1=value1 username password number_of_threads So: floodget.py server.com:8080 /showmachine_html username pass 100 I use either 100 or 1000 threads. All should be well. Now try: http://zope.server:port/showmachine_html?machineid=wildfire.net.ic.ac.uk I get failures and the child threads dying quickly with only 5-25 threads. Regards, Phil +----------------------------------+ | Phil Mayers, Network Support | | Centre for Computing Services | | Imperial College | +----------------------------------+ -----Original Message----- From: Chris McDonough [mailto:chrism@digicool.com] Sent: 05 April 2001 18:06 To: Chris McDonough; Thomas B. Passin; zope(a)zope.org Subject: Re: [Zope] ZServer *still* dying - help? Wait, no I *didnt* write a unit test for this. Sorry! I wrote a unit test that sends lots of named parameters to a python script, not a dtml method... If you can boil this down to an always-fails case we can fix it. ----- Original Message ----- From: "Chris McDonough" <chrism(a)digicool.com> To: "Thomas B. Passin" <tpassin(a)mitretek.org>; <zope(a)zope.org> Sent: Thursday, April 05, 2001 12:56 PM Subject: Re: [Zope] ZServer *still* dying - help? > It still shouldn't be crashing. > > I wrote a unit test for this!! (testParam26 in the test suite) ;-) Wonder > if it passes... it does. Darn. > > What Zope version is this? > > ----- Original Message ----- > From: "Thomas B. Passin" <tpassin(a)mitretek.org> > To: <zope(a)zope.org> > Sent: Thursday, April 05, 2001 12:49 PM > Subject: Re: [Zope] ZServer *still* dying - help? > > > > I don't know what's happening, but what about attaching the params to the > > REQUEST, then you don't have to send them separately. Of course, you'd > have > > to rewrite show_html a bit, but it shouldn't take much doing. > > > > Then you would write things like > > ... > > <dtml-call "REQUEST.set('param1',m.param1)"> > > ... > > print container.machine.show_html(context,REQUEST) > > > > Or make the separate params into a single python list and pass the list: > > > > params=[m.param1,m.param2,...] > > print container.machine.show_html(context,REQUEST,params) > > > > Cheers, > > > > Tom P > > > > Mayers, Philip J asked - > > > > > > > > What's happening - I have a PythonScript that does this: > > > > > > m = container.machine.SQL_get(machineid=machineid)[0] > > > print container.machine.show_html(context,REQUEST, > > > param1=m.param1, > > > param2=m.param2, > > > param3=m.param3, > > > param4=m.param4, > > > param5=m.param5, > > > param6=m.param6, > > > param7=m.param7, > > > param8=m.param8, > > > param9=m.param9, > > > param0=m.param0) > > > return printed > > > > > > show_html is a DTML document. When called at "high" speed (2-3 times a > > > second) by URL traversal (i.e. GETing > > > http://site.name/Zope/path/pythonscript?machineid=whatever) this causes > > > either (in order of likelihood): > > > ... > > > > > *But*, if I reduce the number of named parameters to the DTML method > (when > > > of course it doesn't render properly) then everything's OK. The current > > code > > > dies if there are >8 named parameters. But it seems to vary. I thought > > that > > > the parameters had to be records from an SQL query, but now I'm not so > > sure. > > > > > > > > > > > _______________________________________________ > > Zope maillist - Zope(a)zope.org > > http://lists.zope.org/mailman/listinfo/zope > > ** No cross posts or HTML encoding! ** > > (Related lists - > > http://lists.zope.org/mailman/listinfo/zope-announce > > http://lists.zope.org/mailman/listinfo/zope-dev ) > > > > > _______________________________________________ > Zope maillist - Zope(a)zope.org > http://lists.zope.org/mailman/listinfo/zope > ** No cross posts or HTML encoding! ** > (Related lists - > http://lists.zope.org/mailman/listinfo/zope-announce > http://lists.zope.org/mailman/listinfo/zope-dev ) > _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )

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Installing WorldPilot Mandrake Linux 7.2
by Joe Baker 05 Apr '01

05 Apr '01

I work for a computer learning center and just can't wait to show off this Zope package called WorldPilot as an example of how really wonderful open source software can be. WorldPilot says it will not work with versions of Zope which are greater than 2.1.6 - so that's the version of Zope I'm using. Hey, the demos I've seen of WorldPilot are awsome and I really want to learn how to install Zope applications on Linux. I have installed Zope as far as being able to use it's web based control pannel. I see the import/export pannel and wonder if that is how to install the worldpilot. The worldpilot docs instruct .... ------- Unpack the worldpilot.1.1.x.tgz file in Zope's root directory. This will install the WorldPilot Product into lib/python/Products/ Enter your domain into the file /usr/local/worldpilot/Zope.xxx/lib/python/Products/Worldpilot/DOMAIN.py ------ But I'm not sure where the Zope's root directory is. I think that in my installation it might be /usr/share/zope/import/ <-- this is where I put the worldpilot dir.. Also, there is a symbolic link in side this directory named import which points back to /usr/share/zope/import (which seems kind of wierd to me. Next I tried going to the Import feature of the web based control pannel and entered the directory name of "worldpilot" (without quotes). This was the error message I received. ----- Zope has encountered an error while publishing this resource. Error Type: IOError Error Value: [Errno 21] Is a directory Troubleshooting Suggestions The URL may be incorrect.The parameters passed to this resource may be incorrect.A resource that this resource relies on may be encountering an error. I'm so close to finishing this project that I can taste it, but I need somebody's help to get past this last obsticle. Thanks! -Joe Baker Career Tech www.careertechcenter.net 414-336-1080

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Re: [Zope] Get Column Names from SQL Query?
by Dieter Maurer 05 Apr '01

05 Apr '01

Thomas B. Passin writes: > But it will be in your book, right? Currently, I do not expect it. The book should come with complete examples, ready to be examined and run. Incorporating an external database seems to be too demanding. Gadfly, on the other hand, seems to be not thread safe. Thus, I should probably not use this, either. This probably means, I will skip relational database integration (which is covered in the Zope book). Dieter

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Virtual Hosting on ZServer Updated
by Capesius, Alan 05 Apr '01

05 Apr '01

Here's an update to my virtual hosting on ZServer solution. The AccessRule has been enhanced to allow access to aliased host names that are not in the host.domain.com form but rather in a host format. This is useful if you use a hosts file with a name for a server (e.g. server01 instead of www.domain.com) The change prevents an index error in the accessrule. Request not in domain.com form will revert to the default site. The solution uses TinyTable, Virtual Host Monster and AccessRule and a DTML method to process all inbound requests by domain name similar to the way in which SiteRoot script things. The best part is that once set, the AccessRule does not need to be modified to add new hosts. Host to folder mapping is performed via entries in the TinyTable, the rest of the configuration is static. Tested with Zope 2.3.0 and TinyTable 0-8-2. Virtual Host Monster and AccessRule support are built into 2.3.0 Here it is: Create a folder in Root called VHosts Inside VHosts create a folder for each Virtual host Inside each new Virtual host's folder , create a Virtual Host Monster called VHM Inside VHosts, create a TinyTable called HostsTable Give the Tiny Table the following columns : domain, folder Create records for domain to folder mapping as shown here: "domain1.com", "Folder1" "domain2.com", "Folder2" Where the domain names are the virtual names for your server and the folder names are the folders created inside VHosts. Entries are CASE SENSITIVE and MUST match the folder names created in the earlier step. Enter all domains in lower case. Inside VHosts create the following DTML Method: Name: gethostfolder <dtml-in "VHosts.HostsTable(domainname)"> <dtml-return folder> <dtml-else> <dtml-return "'NULL'"> </dtml-in> In the Root, create a DTML called AccessRule AccessRule in Root Folder =================== <dtml-try> <dtml-let hostname="_.string.split(_.string.lower(_.string.split(HTTP_HOST, ':')[0]),'.')[-2:]" domainname="hostname[0] + '.' + hostname[1]" vhmcode="VHosts.gethostfolder(_.None, _, host=domainname)"> <dtml-if "vhmcode<>'NULL'"> <dtml-if "_.string.split(_.string.lower(PATH_INFO), '/')[-1:]==['manage'] or _.string.split(_.string.lower(PATH_INFO), '/')[-1:]==['manage_main'] or _.string.split(_.string.lower(PATH_INFO), '/')[-1:]==['manage_workspace'] "> <dtml-if "TraversalRequestNameStack[-2:]<>[vhmcode,'VHosts']"> <dtml-call "REQUEST['TraversalRequestNameStack'].extend([vhmcode, 'VHosts'])"> </dtml-if> <dtml-else> <dtml-call "REQUEST['TraversalRequestNameStack'].extend(['VHM', vhmcode, 'VHosts'])"> </dtml-if> </dtml-if> </dtml-let> <dtml-except> </dtml-try> It should look like this: Root- AccessRule VHosts- HostsTable gethostfolder Folder1- VHM index_html Folder2- VHM index_html Security Settings: gethostfolder method: no anonymous access, proxy as manager, manager has full rights. HostsTable: No anonymous access, manager full rights AccessRule: Proxy as manager Now, to enable the system, Use the Root folder's Add->SetAccessRule option and enter "AccessRule" (without quotes) and click Set. Requests for domain1.com will be drawn from Folder1, 2 from 2 etc.. Managent of the virtual domain will show only the VHosts folder contents for the selected site. Management of the root site will show the root. Access to unsupported domains will fall back to root. (perhaps to be a redirect to a 404 page in the future) Display the mappings with /VHosts/HostsTable or via the management interface. Use http://hostname/_SUPPRESS_ACCESSRULE/manage to deactivate the AccessRule if you have any problems accessing the system. All feedback welcome. To the list please. I will add the config to my tips site shortly. Alan Capesius, MCSE Tech World, Inc. http://twsite.bizland.com/zopetips.htm

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RE: [Zope] Finding out how many rows is selected in database
by paul_s_johnson＠urscorp.com 05 Apr '01

05 Apr '01

If a ZSQL method returns no rows its value is None, right? why not: <dtml-if zsql_queryname> Hey, something was returned by ZSQL method! <dtml-else> Hey, nothing was returned by ZSQL method. </dtml-if> >On 05 Apr 2001 09:57:14 -0500, Steve Drees wrote: >> > I need to do one thing if any rows is returned and another if there is >> > no records in the database >> >> http://zope.nipltd.com/public/lists/zope-archive.nsf/ByKey/BEBF9A98F9A59B3F > >Thanx but it only helped a bit ... >See he has the same problem as me - if need to do one thing if there are >records returned and another if no records are returned. >Actually I need to add a new item to my database with one number higher >than the item with the highest number, e.g. if there are an item in the >database with number 2 then the new one must have number 3. >And if there are no items then the new one must have number 1. > >ANy good ideas ? >The ones I got earlyer doesn't work > >Gitt Use of an AUTO_INCREMENT field makes maintaining this easier. It will automatically create a value 1 greater than the existing maximum. _______________________________________________ Zope maillist - Zope(a)zope.org http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )

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path...
by After Dark 05 Apr '01

05 Apr '01

--- the forwarded message follows --- ________________________________________________ Don't E-Mail, ZipMail! http://www.zipmail.com/

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

05 Apr '01

Hi again, After searching for recent posts related to Zope v.2.3.1, the Catalog, and BTree, I came across this one, from Chris M., which includes a small patch: http://lists.zope.org/pipermail/zope/2001-April/087015.html After applying the patch to: /lib/python/SearchIndex/GlobbingLexicon.py Xron has regained consciousness and started running jobs again, and has resumed writing coherent log entries. Thanks for Xron, and the tips! Jerry S.

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