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Re: Zope hanging (poss. threads-related)
by Dr. Ross Lazarus 10 Apr '00

10 Apr '00

No doubt about it. A number of users have reported serious stability problems - me included. Apache/FCGI or direct to medusa seems to make no difference. One way of stopping the problem is to run with -t 1 but frankly, it's not a viable option for many situations - single threading zope is painful under any kind of load, but at least it doesn't appear to core dump regularly. I've experienced it on a 2.1.6 binary install on a linux (stock RH6.1) box but I understand it's been reported on a solaris x86 box also. I have a lightly loaded sunos 5.6 binary install which seems stable. The stability with single threading seems to point to a thread problem and the possibility of a libc bug has been rumored. --- In zope(a)egroups.com, Marcus Collins <mcollins@s...> wrote: > Apologies for the imposing subject line... > > Briefly, since increasing the NUMBER_OF_THREADS that Zope uses from the > default (4) to 20, Zope has been hanging randomly. A request will be sent > off to Zope (whether through apache with mod_pcgi, or directly through > ZServer), but the request is never served up, and Z2.log shows no record of > it. No additional CPU is taken by the python process. > > Environment: > Zope 2.1.3 (source release) > python 1.5.2 > GCC 2.7.2.3 > FreeBSD 3.3-RELEASE > -- Dr Ross Lazarus Associate Professor and Sub-Dean for Information Technology Faculty of Medicine, Room 126A, A27, University of Sydney, Camperdown, NSW 2006, Australia Tel: (+61 2) 93514429 Mobile: +61414872482 Fax: (+61 2) 93516646 Email: rossl(a)med.usyd.edu.au

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howto_database
by Mario Premke 10 Apr '00

10 Apr '00

Hi everybody, my question is, how to put a relational database in the back of zope. I want to make queries from a web-page and the results be shown on a page - I cannot find any hint on the zope-pages which interface is to be used for this purpose ... Any hints will be appreciated .. Greetings Mario

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Delete notification
by John Sutherland 10 Apr '00

10 Apr '00

Is there a way in a python based product to get notification when an instance is deleted? --John

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running zope-medusa offline
by Mika, David P (CRD) 10 Apr '00

10 Apr '00

Is there a way to run zope-medusa in an offline mode? e.g. I have a w95 laptop and z2.py starts fine if I am either connected to my ISP or LAN, but fails if I am offline--I would like to just access files via 'localhost' and not have to be connected. Thanks in advance Dave

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DTML parsing Python- tuples and lists
by dillera＠isc.upenn.edu 10 Apr '00

10 Apr '00

Hello: I wondering how/if DTML can parse Python sequence types: the list and tuple. The scenario: an external method returns a tuple full of stuff(lists and dictionaries), and I want to tear it down and format it using DTML fors and DTML ifs, but I don't see anyone talking about doing this. Any pointers would be appreciated. -andy diller

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Re: [Zope] newbie: how to url_quote
by Hung Jung Lu 10 Apr '00

10 Apr '00

--- In zope(a)egroups.com, Chien-pin Wang <cpw@s...> wrote: >Question: how do I url_quote my <error code> and <error message> in >dtml-call tag? I have tried both the tag form of <dtml-var and the short >hand form &dtml.url_quote but both got invalid syntax. Please help and I don't know short solutions. Zope might have some functions implemented already. But in the long run, you will need a whole set of conversion functions to handle conversion of things between (1) the database, (2) Javascript syntax (think about supplying a string as an argument to a Javascript function inside DTML, believe me, it's a nightmare.), (3) date/money formats (e.g: $1,234,567.89, 2000/01/03 03.24.578, etc. Yes yes, I have played plenty with DateTime() class and I know its features and shortcomings.) Etc, etc. So, you might as well start preparing your own external methods to handle conversions. My experience is that each person's needs differ from another person's needs. So unless you've got your own skills in converting stuff, you'll be suffering again and again. In your case, use an external method --------------------------------------- # # myConversions.py # import urllib def myUrlQuote(self, x): return urllib.quote_plus(x) --------------------------------------- If you don't know what an external method is, learn it first. Hung Jung ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

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is there a more user friendly products repository ?
by Jerome Alet 10 Apr '00

10 Apr '00

Hi, could someone tell me if a central repository exists with all Zope products in .tar.gz format easily available ? The current /Products folder is near useless if you want to download a lot of products quickly: you have to click and click and click on several links before accessing to the .tar.gz It's hard to automate the downloading of the available products, but if all of them (or direct links to the .tar.gz) were in a single folder it would be much easier. Does something like that already exist or not ? Wouldn't it be a good idea ? thanks. Jerome ALET - alet(a)unice.fr - http://cortex.unice.fr/~jerome Faculte de Medecine de Nice - http://noe.unice.fr - Tel: 04 93 37 76 30 28 Avenue de Valombrose - 06107 NICE Cedex 2 - FRANCE

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dtml within dtml
by Graham Chiu 10 Apr '00

10 Apr '00

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I have HTML stored within my Interbase tables which I access as <dtml-var description> I just tried storing within that HTML, a reference to a dtml method, but it does not display. Is that because this is considered dtml within dtml? Should we have another tag such as <dtml-code variable> where the text retrieved by variable also gets interpreted? - -- Regards, Graham Chiu gchiu<at>compkarori.co.nz http://www.compkarori.com/dynamo - The Homebuilt Dynamo http://www.compkarori.com/dbase - The dBase bulletin -----BEGIN PGP SIGNATURE----- Version: PGPsdk version 1.7.1 iQA/AwUBOO8BxbTRdIWzaLpMEQL+TQCg7adqlgUFGeC6G0wlIxcZLHY+svkAoIK+ dBCu8T/vwpt83dmunG17OFOy =np3S -----END PGP SIGNATURE-----

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Re: [Zope] Passing arguments to ZSQL method
by Hung Jung Lu 10 Apr '00

10 Apr '00

><dtml-call "SQL.update_Cantidad_en_Lin__venta(N__documento=N__documento, > N__linea=N__linea, > Cantidad=10, > N_=N_)"> >... >How can I update it correctly with 10? >Any ideas? Use _.None and _ as the first two arguments: <dtml-call "SQL.update_Cantidad_en_Lin__venta( (_.None, _, N__documento=N__documento, N__linea=N__linea, Cantidad=10, N_=N_)"> This is true for both ZSQL and DTML methods. You have to provide the "target" and "namespace" variables. In most of the cases, you can supply (_.None, _, ...) in the first two arguments. Don't ask me the details, ask someone else. :) Or even better, look into the How-To: Advanced DTML Techniques http://www.zope.org/Documentation/How-To/AdvancedDTML saludos, Hung Jung ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

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Catalog reindexing in Python
by Chris Crownhart 10 Apr '00

10 Apr '00

Zopesters, I am trying to make a python based class be Catalog Aware and be reindexed when it is edited. I basically started with the Boring Product How-To, and have turned it into a Company Product. The class inherits from CatalogAware (someone somewhere said that CatalogAware had to be the first base class). I create my Company instance in another class by calling the constructor with no values, then immediately calling the manage_edit method to update the data. Based on that, I am trying to index the object in the constructor, and reindex the object in the manage_edit. With the code below, the object gets indexed in the catalog, but all the fields (indexes) are blank! The reindex_object call is not working for some reason. (At least it is not updating the field indexes like I would expect.) The other gotcha is that I have named my catalog something other than the default "Catalog". I believe the line, self.default_catalog='YPCatalogForSorting' takes care of renaming it. I have a feeling that I have a problem with Acquisition. It seems like the constructor knows how to find the catalog, but the manage_edit does not... Thanks for any help, Chris class Company( Products.ZCatalog.CatalogAwareness.CatalogAware, # Catalog Aware OFS.SimpleItem.Item, # A simple Principia object. Not Folderish. Persistent, # Make us persistent. Yaah! Acquisition.Implicit, # Uh, whatever. AccessControl.Role.RoleManager # Security manager. ): . . . def __init__(self, id, title='', REQUEST=None): self.id = id self.title = title self.a_companyName='' ## This is for CatalogAware. self.default_catalog='YPCatalogForSorting' self.index_object() . . . def manage_edit(self, title, REQUEST='', a_companyName=''): """does this really need a doc string?""" self.title = title self.a_companyName = a_companyName ## This is for CatalogAware. self.default_catalog='YPCatalogForSorting' self.reindex_object()

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