September 2001 - Zope-Dev

Dreamweaver, Webdav and PUT.
by Terry Kerr 20 Sep '01

20 Sep '01

Hi, I am having trouble PUT'ing new files into Zope using webdav from dreamweaver. I have dreamweaver 4 with the 4.01 update, and are running zope2.4.1 with python 2.1. I have create a html file 'untitiled.html' and are trying to PUT that into the root folder of my Zope instance. I have setup webdav on port 8081, and authentication is setup correctly as I can GET, LOCK, UNLOCK and PUT files that already exist in the Zope tree, just not create a new file using PUT. >From looking at the zope logs, Dreamweaver seems to issue the following commands when creating the new file. "PROPFIND /untitled.html HTTP/1.1" 404 2305 "" "PROPFIND /untitled.html HTTP/1.1" 404 2305 "" "LOCK /untitled.html HTTP/1.1" 200 765 "" "PROPFIND /untitled.html HTTP/1.1" 404 2304 "" The LockNullResource object is created in the Zope root, however then dreamweaver spits out an error "The desired action could not be completed because the resource was not found". >From looking into the the lib/python/webdav/NullResource.py::LockNullResource code, it seems that calling PROPFIND on the LockNullResouce will always return not found! def HEAD(self, REQUEST, RESPONSE): """Retrieve resource information without a response message body.""" self.dav__init(REQUEST, RESPONSE) raise 'Not Found', 'The requested resource does not exist.' # Most methods return 404 (Not Found) for null resources. DELETE=OPTIONS=TRACE=PROPFIND=PROPPATCH=COPY=MOVE=HEAD It seems to me that you can never create a new file using webdav! Has anyone else come across this? Is there a work around? terry -- Terry Kerr (terry(a)adroit.net) Chief Technical Officer Adroit Internet Solutions (www.adroit.net) Phone: +61 3 9563 4461 Fax: +61 3 9563 3856 ICQ: 79303381

1 0

manage_pasteObjects and REQUEST
by Danny William Adair 19 Sep '01

19 Sep '01

Hi! Does anyone know when manage_PasteObjects will stop requiring REQUEST to be passed? I want to mimick the Cut/Copy/Paste Support of the management interface in a UI of my own. my method "objectsCut" holds: <dtml-call "manage_cutObjects(REQUEST['ids'], REQUEST)"> while my "objectsPaste" method holds: <dtml-call "manage_pasteObjects(_.None, REQUEST)"> Pasting objects will sometimes (!?!) redirect me to the management interface, which I want to hide. I found these last lines in manage_pasteObjects (CopySupport.py): def manage_pasteObjects(self, cb_copy_data=None, REQUEST=None): """Paste previously copied objects into the current object. If calling manage_pasteObjects from python code, pass the result of a previous call to manage_cutObjects or manage_copyObjects as the first argument.""" ... ... ... if REQUEST is not None: REQUEST['RESPONSE'].setCookie('__cp', 'deleted', path='%s' % cookie_path(REQUEST), expires='Wed, 31-Dec-97 23:59:59 GMT') REQUEST['__cp'] = None return self.manage_main(self, REQUEST, update_menu=1, cb_dataValid=0) I don't want to hack this file. The only way to get the cookie set seems to be passing the REQUEST object. "...pass the result of a previous call to manage_cutObjects or manage_copyObjects as the first argument" This doesn't help me very much. It would help me if I wanted to Copy/Paste or Cut/Paste at the same time: <dtml-call "REQUEST.set('my_clipboard_data', manage_cutObjects(REQUEST['ids'], REQUEST))"> <dtml-call "manage_pasteObjects(my_clipboard_data)"> works fine, but if I want to do Copy and Paste at completely different times, I have to pass my_clipboard_data along the requests all the time. Is there a simple solution? Is it something I should put in the Bug Collector? Or did I miss something? Thank you very much for your help, Danny

3 2

Newly compile DynPersist.dll for Python21
by Hung Nguyen 19 Sep '01

19 Sep '01

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Program: ...<program name unknown>GetLastActivePopupGetActiveWindowMessageBoxAuser32.dllÿÿÿÿS8W8ÿÿÿÿ99ÿÿÿÿ::HUW°PTZPâWÒWZðYÞYÎYŸYšYYYxYhY\YRYFY:Y"W4WBWPWdWxWWWšW²WÀW Y"YðWXX0XJXdXzXX¬XºXÈXÖXâXîXWîVÞVÐVÂV¬VVVrVZV@V*VVüUèUÒUºUšUU Py_FatalErrorIPyErr_Occurred9PyDict_SetItemStringPyString_FromStringPyModule_GetDictPyString_InternFromStringPy_InitModule4PyCObject_AsVoidPtrJPyObject_GetAttrString»PyImport_ImportModulePyString_AsString PyString_TypeBPyObject_CallMethodCPyObject_CallObjectÉPyTuple_New@PyErr_ClearMPyErr_RestoreoPyExc_AttributeErrorCPyErr_Fetchpython21.dllÊGetCommandLineAtGetVersion}ExitProcessTerminateProcess÷GetCurrentProcessúGetCurrentThreadId¥TlsSetValue¢TlsAlloc£TlsFree€TlsGetValuemSetHandleCountRGetStdHandleGetFileTypePGetStartupInfoAUDeleteCriticalSection$GetModuleFileNameA²FreeEnvironmentStringsA³FreeEnvironmentStringsWÒWideCharToMultiByteGetEnvironmentStringsGetEnvironmentStringsWHeapDestroyHeapCreate¿VirtualFreeHeapFreeßWriteFileªInitializeCriticalSectionfEnterCriticalSectionÁLeaveCriticalSectionHeapAlloc¿GetCPInfo¹GetACP1GetOEMCP»VirtualAlloc¢HeapReAlloc>GetProcAddressÂLoadLibraryAäMultiByteToWideChar¿LCMapStringAÀLCMapStringWSGetStringTypeAVGetStringTypeW/RtlUnwindKERNEL32.dll°®š;RZHZLZPZaZDynPersist.dllinitDynPersist£)Ü`€`èd(a)cPersistence.Persistent subclass supporting __getattr__DynPersistcan't initialize module PersistWithGetattr__version__0.2__del_attr____set_attr____get_attr__Persistent's with __getattr__!cPersistenceExtensionClassCAPI__of__OFÿÿÿÿÿÿÿÿ dS8S S èRŒRRhR<RRÜQ€QlQDQx4Qy$QzQüQÿQ`ffšfxfÀÀÀÀÀÀÀÀÀÀx €`y!Šß¡¥àü@~üšÁ£Ú£ þ@þµÁ£Ú£ þAþ¶Ï¢ä¢å¢è¢[þ@~¡þQQÚ^Ú _ÚjÚ2ÓØÞàù1~þø h000000'04090F0\0a0f0l0r0w0000000€0¬0²0¹0Ÿ0Ê0Ï0Ü0å0ê0ö011111A111©1¯1Â1õ122222±2Ó243L3Q3X3Å3Ð34424<4V4n4Å4Ï4å4ü45555š5®5Ž5Ÿ5Ö5Û5å5ÿ5 666^6p6Ì6ç6ö677%7*74797q7}7777¡7«7Ä7Ì7Ñ7Ý7â7ÿ78?8G8a8g8x888£8°8œ8Ö889P9V999š9Œ9î9õ9 :<:F:g:|: :Ê:Ø: ;;;=;b;q;;²;Â;<<</<=<J<O<U<°<·<ÿ<D='>@>u>}>>£>³>ò>B?U??·?Ÿ?Ï?Õ?å?ì?ó?û? d"0.080@0H0N0\0k0}0£0°0Ÿ0É0Ü011T1h111®1Ã1Ù1à1ê1ð1ø12222%2-252=2S2[2c2k2s222»2Ö2æ2ì23C3I3U3»3Á3É34F4L4è566616:6F6x666º6À6á6ë6ö6û677/757=7E7P7~7777©7³7¹7ü78888.848£8©8Ç8Ø8ë899,999I9j9v999¥9¶9ø9:::$:(:,:U:{::: :€:š:¬:°:Ž:ž:;;;;;z;; ;§;¬;°;Ž;Ñ;û;-<4<8<<<@<D<H<L<P<< <€<š<¬<þ<====#=)=4=<=???¹?Ÿ?Í?Ó?ã?î?0000$0)0/0<0Y0_0j0p0z0000Ú01m3x3333¯3¶3Œ3Æ3Ì3Ñ3×3ç3ð3 44!4444C5L5R5^5c5m5t5|55555»5)7I7N7m7z7777£7±7Ï7ì78$8|88Å8-9R999¹9Ì9Ó9å9í9ý9:!:9:Y:¯:Á:;0;7;?;D;H;L;u;;µ;Œ;À;Ä;È;Ì;Ð;Ô;Ø;"<(<,<0<4<<¥<À<Ç<Ì<Ð<Ô<ñ<=M=T=X=\=`=d=h=l=p=º=À=Ä=È=Ì=$>e>Î>è>ñ>@"0P<4@4H4L4T4X4`@0<000š1Ü1ä1ì1ô1ü12222$2,242<2D2L2T2\2d2l222¬2

1 0

Operation Properties.
by Erik Enge 19 Sep '01

19 Sep '01

'Evening, Zopistas. I'm developing an accounting product right now, and one of the more interesting aspects of how to solve this issue is how do handle currencies. I've decided to let each entry (transaction) know about the currency it was in. At a later stage, the user is given the option to convert the currency to something else, but only for display-purposes and nothing persistent. This raises a number of interesting issues; I'll try to be brief. - I'd like the currency-attribute itself to know about how how display itself (ie. this shouldn't be a method of the class containing the property). - I'd like the currency-attribute itself to know how to convert itself to other currencies. This would allow me to say:: transaction.currency.set_amount_to(100.00) transaction.currency.set_currency('FRF') # French Francs And then this:: transaction.currency.display_in('NOK') # Norwegian kroners would render the string:: NOK 125.00 for example. Or:: transaction.currency.convert_to('NOK') would render the float:: 125.00 or something like that. I'm not entierly sure of the API, yet. The point is, I'd like to delegate attribute-behaviour to the attribute itself. Currently, I don't see any easy way to do this with Zope. I gather that there isn't either, based on the links I give below. It seems that many projects are implementing their own property-handling. Summarizing: I'd like to volunteer time to a project/proposal that would take care of properties once and for all. I'm proposing to create a new property model where we have "pluggable" properties that is more lously coupled with the management of properties and allows the developer to add custom-made properties (much like PlugginIndexes). I also propose to make the property itself know how to render a widget for it, given an environment. A property of type 'date', for example, could render six HTML select-lists given a HTML-environment (year, month, day, hour, minute (second, maybe), timezone). The functionality of these widgets should be a separated from the properties, naturally. It should also be pluggable. I'm thinking pluggable in a site-wide context here. Whatchya think? http://warp-framework.sf.net/ http://demo.iuveno-net.de/iuveno/Products/SmartObjects/ http://www.zope.org/Members/faassen/Formulator/ http://dev.zope.org/Wikis/DevSite/Proposals/PropertyRevamp/ http://dev.zope.org/Wikis/DevSite/Proposals/PropertyManagerEvents/

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You'll profit if you read this, It's hot!
by calichx＠allorganizer.com 18 Sep '01

18 Sep '01

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Domain and Password blank
by Juan Javier Carrera Obrero 18 Sep '01

18 Sep '01

Hello, I have created a user with the password blank, specifying a domain and a role called "guess" that I had created previously from the "security" of the root folder. Then, I have created a LocalFS, and I have assigned it the "Access content information" and "View" to the "guess" role (the anonymous user do not have permissions), because I want all the users from that domain can access to the LocalFS without having to log in. However, when I access from the browser, Zope shows the window for "Log In". When I type the username (without password), then I can access to the LocalFS. But I want to access directly without to type the username (by teory it should be thus, because I have specified the domain, the role and the password blank) Anybody knows to what happen? Thanks.

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ZCatalog bug
by Steve Alexander 18 Sep '01

18 Sep '01

I'm updating a site that is currently using Python 1.5.2 and Zope 2.3.something to use Python 2.1 and Zope 2.4.from_cvs. I've had a problem: most products won't initialize. They fail on an AttributeError in SearchIndex/UnTextIndex.py related to setting up the help system. This ugly patch fixes it. There must be a better way! *** /lib/python/SearchIndex/UnTextIndex.py.original --- /lib/python/SearchIndex/UnTextIndex.py.new *************** *** 327,333 **** return 0 lexicon = self.getLexicon(self._lexicon) ! splitter=lexicon.Splitter wordScores = OIBTree() last = None --- 327,337 ---- return 0 lexicon = self.getLexicon(self._lexicon) ! ! try: ! splitter=lexicon.Splitter ! except AttributeError: ! splitter=lexicon.lexicon.Splitter wordScores = OIBTree() last = None *************** *** 343,349 **** # Convert scores to use wids: widScores=IIBucket() ! getWid=lexicon.getWordId for word, score in wordScores.items(): widScores[getWid(word)]=score --- 347,356 ---- # Convert scores to use wids: widScores=IIBucket() ! try: ! getWid=lexicon.getWordId ! except AttributeError: ! getWid=lexicon.lexicon.getWordId for word, score in wordScores.items(): widScores[getWid(word)]=score -- Steve Alexander Software Engineer Cat-Box limited

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WebDav Bug?
by Phil Harris 17 Sep '01

17 Sep '01

All, I'm in the process of creating a Python based equivalent for Cadaver. I think there is a minor but very annoying bug in the Zope WebDav server. I don't think the contents of the properties are being quoted. For instance: One object in my ZODB has a title of 'Declare interfaces for MIMEtype <-> Type object registry objects.' The '<->' is what causes the problem when parsed by xml.dom.minidom. Any ideas whether I'm right, and if so what can be done. Phil phil.harris(a)zope.co.uk +1 family member. The nuclear family is now ready.

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More on WebDAV properties.
by Phil Harris 17 Sep '01

17 Sep '01

Andreas/all, hmm, now I'm confused. Looking at PropertySheets.py, it seems as if the properties are quoted, a call to xml_escape is made with the value of the property as the parameter. This call is made in dav__allprop, it seems as if it's in the proper place and all, so what is going wrong? Any other ideas? Phil

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Naive API question(s)
by Holger Blasum 17 Sep '01

17 Sep '01

Dear *, naively I volunteered for a talk on zope in autumn to a (small) CS student audience. However, I must confess that do not understand the basics about the API: What is the most general and state-of-the-art way (including necessary imports from the zope python library), to non-interactively - add an Object o of type (class) t in context (directory location) c to Zope ? - call a method m of that object (that eg was found in its source code) ? - (optional) set and alter a public attribute a of that object ? - delete that Object o from context c ? Background: I naively assume that from a developers point of view, zope is nothing but a (great) storage bin for all kinds of objects (of course all the "hard stuff" has been done, with a nice user GUI, persistence, caching, transaction integrity etc). And then I felt reassured that is also nice to know that in principle everything(?) is accessible via (authenticated) XML-RPC: class XMLRPCMessageHandler(StackMessageHandler): def __init__ (self): self.stack = [] self.bat = BasicAuthTransport("guest","*****") self.server = xmlrpclib.Server("http://localhost:9673/", self.bat) self.server.manage_addDocument('foo3','Foo3','foo3s content') However, as far as I understand (OFSP/__init__.py of version 2.3.3-1, l. 121) "manage_addDocument" is a "legacy" API in the same way eg overuse of DTML is partly legacy-related, nor do I find a method for eg deleting documents in the Zope Book Appendix API doc. Also the ZSyncer source seems to give some hints but for me it is hard to differentiate ZSyncer-specific and general stuff. Again, the question is *not* about how to write Products/scripts/ZClasses but rather to demonstrate that there is an elegant and coherent approach to the API, its about http://www.zope.org//Wikis/DevSite/Projects/APIDocs/TheProblem ... (in case it boils down to RTFS pls point out which files or which products are fruitful) Many thanks in advance, -- Holger Blasum <holger(a)blasum.net> GnuPG 1024D/1CCA6604639C07F5146A

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