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persistence
by jiri stepan 06 Jul '99

06 Jul '99

Hello I'm trying to work with persistent objects in a PickleDictionary. The objects are not writen into database file - they exists only in memory and they are not persistent. I don't know how to commit new changes. Python code: ... db=BoboPOS.PickleDictionary(db_loc+"databaze2") if db.has_key('customers_db'): customers=db['customers_db'] else: customers=db['customers_db']=Customers() customers.addCustomer('hu','sdf','dsf','sdf','df') #this is test # -works- get_transaction().commit() #ok - this works customer, which is added here is persistent ..but later .. class AdressBook( OFS.SimpleItem.Item, Persistent, Acquisition.Implicit, AccessControl.Role.RoleManager, ): .... def manage_addZakaznik(self,id,firstname,surname,tel,note, REQUEST=None): """ adds a new customer into persistent storage and writes the message """ if REQUEST is not None: customers.addZakaznik(id,firstname,surname,tel,note) get_transaction().commit() return MessageDialog( title='Added', message='zakaznik byl pridan.' , action ='./manage_main', ) #this customer is added into the object 'customers' and I can work with it, but it isn't persistent - after Zope's restart is lost. ------------ Thank's for any informations Jiri Stepan (zope(a)etnetera.cz)

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images and Db's
by Phil Grove 06 Jul '99

06 Jul '99

Hello has anyone got any example code for uploading images into a blob field in a mySQL database. I have been trying various things and have had numerous very good replies to my previous mails, but still, alas, cannot get anything to work.... Any help would be recieved with the greatest thanks, P. --------------------------------------------------------------------- Phil Grove phil.grove(a)flg21.com Web Development 0113 2949494 flg21 http://www.flg21.com ---------------------------------------------------------------------

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Newbie: Publishing directories
by Larry Luther 06 Jul '99

06 Jul '99

Hello, I am trying to understand how I could have a dhtml page offer a link to a file on another machine via a network path. Given: * Window NT 4.0 workstation environment. * Zope 1.10.3 tied to IIS server via "cgi-bin". I've read: * Zope only publishes data uploaded to it. * That work is being done on products that would allow external html directories to be linked into Zope's html object hierarchy. This future solution might solve my problem if they allowed network path names. * That an external Python method could be written that would read the network file and offer it as a local object. I've tried: * "file:\\othermachine\foobar.html" (in a link) This works for anyone on the local network but not for anyone on the outside. (I knew it wouldn't but offer it as an indicator of what I'm trying to do. Questions: * Is my understanding of the state of affairs correct? * Does IIS offer a solution? Thank you, Larry

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RE: [Zope] Using Zclasses
by Alexander Staubo 06 Jul '99

06 Jul '99

Unfortunately, my wording suggests that ZClasses aren't products; they are. That is, ZClasses are instances of the product class "ZClass". Ah, the Zen of Zope... -- Alexander Staubo http://www.mop.no/~alex/ "What the hell, he thought, you're only young once, and threw himself out of the window. That would at least keep the element of surprise on his side." --Douglas Adams, _The Hitchhiker's Guide to the Galaxy_ >-----Original Message----- >From: Alexander Staubo [mailto:alex@mop.no] >Sent: 6. juli 1999 08:02 >To: Zope Mailing List (E-mail) >Subject: RE: [Zope] Using Zclasses > > >Sort of; if I have interpreted unofficial statements on the >list from DC >people correctly, ZClasses replace products in many cases, >although very >possibly not all; for example, I'm quite certain that most of Confera >could have been implemented as a ZClass. Certainly the product API is >complex (or undocumented) to an extent which makes ZClass more >desirable, moreover from an object-orientated design perspective, >products are inferior. > >(If that is what you asked. If the question was "What is the product >interface for?" then the answer isn't "So you can edit properties >through the standard management interface," and it isn't "So you can >have properties as objects," either.) > >-- >Alexander Staubo http://www.mop.no/~alex/ >"What the hell, he thought, you're only young once, and threw >himself out of the window. That would at least keep the element of >surprise on his side." >--Douglas Adams, _The Hitchhiker's Guide to the Galaxy_ > >>-----Original Message----- >>From: bruce(a)perens.com [mailto:bruce@perens.com] >>Sent: 6. juli 1999 07:26 >>To: alex(a)mop.no; zope(a)zope.org >>Subject: RE: [Zope] Using Zclasses >> >> >>From: Alexander Staubo <alex(a)mop.no> >>> Your second question is trickier, because Zope does not, >>afaik, support >>> properties that are objects. It's possible, but I believe >>you can't edit >>> these properties through the standard management interfaces. >> >>Naievely I ask, isn't that what the product interface is for? >>I must be missing >>something. >> >> Thanks >> >> Bruce >> > > >_______________________________________________ >Zope maillist - Zope(a)zope.org >http://www.zope.org/mailman/listinfo/zope > >(For developer-specific issues, use the companion list, >zope-dev(a)zope.org - http://www.zope.org/mailman/listinfo/zope-dev ) >

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RE: [Zope] Using Zclasses
by Alexander Staubo 06 Jul '99

06 Jul '99

Sort of; if I have interpreted unofficial statements on the list from DC people correctly, ZClasses replace products in many cases, although very possibly not all; for example, I'm quite certain that most of Confera could have been implemented as a ZClass. Certainly the product API is complex (or undocumented) to an extent which makes ZClass more desirable, moreover from an object-orientated design perspective, products are inferior. (If that is what you asked. If the question was "What is the product interface for?" then the answer isn't "So you can edit properties through the standard management interface," and it isn't "So you can have properties as objects," either.) -- Alexander Staubo http://www.mop.no/~alex/ "What the hell, he thought, you're only young once, and threw himself out of the window. That would at least keep the element of surprise on his side." --Douglas Adams, _The Hitchhiker's Guide to the Galaxy_ >-----Original Message----- >From: bruce(a)perens.com [mailto:bruce@perens.com] >Sent: 6. juli 1999 07:26 >To: alex(a)mop.no; zope(a)zope.org >Subject: RE: [Zope] Using Zclasses > > >From: Alexander Staubo <alex(a)mop.no> >> Your second question is trickier, because Zope does not, >afaik, support >> properties that are objects. It's possible, but I believe >you can't edit >> these properties through the standard management interfaces. > >Naievely I ask, isn't that what the product interface is for? >I must be missing >something. > > Thanks > > Bruce >

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RE: [Zope] Using Zclasses
by bruce＠perens.com 06 Jul '99

06 Jul '99

From: Alexander Staubo <alex(a)mop.no> > Your second question is trickier, because Zope does not, afaik, support > properties that are objects. It's possible, but I believe you can't edit > these properties through the standard management interfaces. Naievely I ask, isn't that what the product interface is for? I must be missing something. Thanks Bruce

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RE: [Zope] .log parser
by bruce＠perens.com 06 Jul '99

06 Jul '99

You can't tell how _long_ they looked at the page, in general, because your server only knows when they download the page. I suppose you could do an ugly Java or JavaScript hack to tell you when a user is finished with your page, but the overhead would be excessive for the information gained. I'd hope that Zserver puts out its logs in the Apache common log file format, or can be made to do so. I've not tried it yet. Try Webalizer. It's an _Open_Source_ web log analyzer. See http://www.mrunix.net/webalizer . It works excellently on my (Apache) site. I have written a Python script to drive Webalizer to analyze all of the virtual web sites on your system. This script hopefully is in the "contributed" directory of the webalizer distribution, if not you can download it from ftp://ftp.perens.com/pub/WebLogAnalyzerDriver . Thanks Brce

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RE: [Zope] Using Zclasses
by Alexander Staubo 06 Jul '99

06 Jul '99

To answer your first question, let your "parent" ZClass be a descendant of Object Manager; then define your "child" ZClass _within_ the parent ZClass definition; that is, add the child ZClass as a subobject of the parent. Your second question is trickier, because Zope does not, afaik, support properties that are objects. It's possible, but I believe you can't edit these properties through the standard management interfaces. Instead, you must built your own, and you might have to use Python to store these properties. You might want to look at the implementation of Confera and study the code for its mail host property: I don't know if this is implemented by referring to the mail host objects' _name_ or the instance itself though. The alternative, of course, is to use a string property and refer to the object's ID. Acquisition will permit you to access any object in the hierarchy above the object in question. -- Alexander Staubo http://www.mop.no/~alex/ "What the hell, he thought, you're only young once, and threw himself out of the window. That would at least keep the element of surprise on his side." --Douglas Adams, _The Hitchhiker's Guide to the Galaxy_ >-----Original Message----- >From: zope-admin(a)zope.org [mailto:zope-admin@zope.org]On Behalf Of >Michael Bernstein >Sent: 6. juli 1999 02:07 >To: zope(a)zope.org >Subject: [Zope] Using Zclasses > > >I've been playing around with Zclasses for awhile, but have reached a >bit of a stumbling block. > >I want to create a set of Zclasses that can only be contained within >certain other Zclasses. An arbitrary example would be a 'book' object >that can only be created inside a 'shelf' object. > >I also would like to add a property to a ZClass that is a pointer to an >instance of another ZClass of a certain type. An arbitrary >example would >be a 'Book' ZClass that has an 'Author' property that points to an >instance of an 'Author' ZClass. > >Does anyone have any hints as to how to accomplish this sort of thing? >Feel free to recast the problem in terms of the ZClasses tutorial 'CD' >examples. > >Michael Bernstein. > >_______________________________________________ >Zope maillist - Zope(a)zope.org >http://www.zope.org/mailman/listinfo/zope > >(For developer-specific issues, use the companion list, >zope-dev(a)zope.org - http://www.zope.org/mailman/listinfo/zope-dev ) >

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RE: [Zope] .log parser
by Alexander Staubo 06 Jul '99

06 Jul '99

I believe the ZServer logs are quite standard -- compare them to output from Apache, for example. You should easily be able run them through Analog or WebTrends, for example. Iirc, they're not in the relatively-new, flexible W3C format; maybe this ought to be added as an option. One concerning aspect of the ZServer logging is that it seems that HTTP and FTP logs and mixed -- even though they are seemingly different formats. -- Alexander Staubo http://www.mop.no/~alex/ "What the hell, he thought, you're only young once, and threw himself out of the window. That would at least keep the element of surprise on his side." --Douglas Adams, _The Hitchhiker's Guide to the Galaxy_ >-----Original Message----- >From: linge(a)NMR.EMBL-Heidelberg.DE >[mailto:linge@NMR.EMBL-Heidelberg.DE]On Behalf Of Jens Linge >Sent: 6. juli 1999 01:04 >To: zope mailinglist >Subject: [Zope] .log parser > > >Dear all, > >is there a easy way to parse the Zope server log files? I would like to >know: >-who downloaded which page (sorted after time, name, etc.) >-how long did one user stay in one page > >I don't know if there is already a module to do this. > >Thanks. Best wishes. > >Jens > > >-- >Jens Linge >linge(a)embl-heidelberg.de >EMBL, Nilges Group >Meyerhofstr. 1 >D-69012 Heidelberg > >_______________________________________________ >Zope maillist - Zope(a)zope.org >http://www.zope.org/mailman/listinfo/zope > >(For developer-specific issues, use the companion list, >zope-dev(a)zope.org - http://www.zope.org/mailman/listinfo/zope-dev ) >

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RE: [Zope] mySQL image addition
by Alexander Staubo 06 Jul '99

06 Jul '99

If it's of any help: I've stored images in MS SQL (not MySQL) servers, and this is somewhat painful, because you need to convert the binary data into hexadecimal values, thus: insert into foo (myimage) values (0x01020304[...]) I don't know MySQL does BLOb inserts. However, I think it's reasonable that you cannot simply enter a literal string; or? How does Zope handle it? (Btw, I wrote a C extension for Python that performs the hex conversion (because it took literally hours if done in pure Python), and one problem that bugged me for some time was that SWIG doesn't generate wrappers that can take strings containing null bytes; the Python API was transforming my strings into some kind of weird 7-bit-ish format. The solution was to patch SWIG's wrapper code manually (Jim, do know if SWIG can be told to do this?) to parse the string argument differently.) -- Alexander Staubo http://www.mop.no/~alex/ "What the hell, he thought, you're only young once, and threw himself out of the window. That would at least keep the element of surprise on his side." --Douglas Adams, _The Hitchhiker's Guide to the Galaxy_ >-----Original Message----- >From: zope-admin(a)zope.org [mailto:zope-admin@zope.org]On Behalf Of >Martijn Pieters >Sent: 6. juli 1999 01:03 >To: Phil Grove; zope(a)zope.org >Subject: Re: [Zope] mySQL image addition > > >At 14:59 05/07/99 , Phil Grove wrote: >>hi all, >> >>has anyone used mySQL to hold a number of images uploaded >using Zope? If so >>how can it be done, i have tried using the normal INSERT >statments into a >>BLOB field in the database but it only seems to insert a >strange instances >>string?? >> >>Any ideas would be appreciated. >> >>P. > >No experience using images stored in a DB, but the 'strange instances >string' sounds familiar enough. Can we see your code? > >-- >Martijn Pieters, Web Developer >| Antraciet http://www.antraciet.nl >| Tel: +31-35-7502100 Fax: +31-35-7502111 >| mailto:mj@antraciet.nl http://www.antraciet.nl/~mj >| PGP: http://wwwkeys.nl.pgp.net:11371/pks/lookup?op=get&search=0xA8A32149 ------------------------------------------ _______________________________________________ Zope maillist - Zope(a)zope.org http://www.zope.org/mailman/listinfo/zope (For developer-specific issues, use the companion list, zope-dev(a)zope.org - http://www.zope.org/mailman/listinfo/zope-dev )

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