April 2000 - Zope-Dev

ZCatalog FieldIndex design problem
by Toby Dickenson 12 Apr '00

12 Apr '00

It is an invariant of the ZCatalog's FieldIndex that the items are sorted. However python does not guarantee that the sort order of differently-typed objects will not change. The language definition says: 'the choice whether one object is considered smaller or larger than another one is made arbitrarily but consistently within one execution of a program' http://www.python.org/doc/current/ref/comparisons.html Are FieldIndexes relying on undefined behavior? Toby Dickenson tdickenson(a)geminidataloggers.com

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Wierdness in globbing TextIndex
by Itamar Shtull-Trauring 12 Apr '00

12 Apr '00

I was getting wrong results in a CVS-based ZCatalog (created when globbing was first checked in, then the code was updated from CVS to fix the horrid KeyError). So I deleted the Vocabulary, added a new one (globbing) and updated the zcatalog. The situation is much better, but I'm still getting a few weird results. For example, searching for "pear*" brings up an object, where the text that it is being cataloged and searched by is: The Best Brussels Sprouts The Best Brussels Sprouts bacon pine nut Brussels sprout garlic carrot kosher salt pepper Italian parsley is the "pars" in parsley causing this item to come up? I have other objects with parsley in the text that don't show up. -- Itamar S.T. itamars(a)ibm.net

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Re: [Zope-dev] Collector #839: Zope, Include re module in _ namespace
by Tres Seaver 12 Apr '00

12 Apr '00

Duncan Booth wrote: > How long ago did I post that? I > thought from the discussion at the time that suggestion had been > thrown out. No need to resurrect it, I now fully accept that there > are good reasons not to permit regexps in dtml. The Collector says "November 10, 1999". I'll reject it then. Thanks! Tres.

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Collector #839: Zope, Include re module in _ namespace
by tseaver＠digicool.com 12 Apr '00

12 Apr '00

Duncan Booth reported: > It would be very useful to have access to regular expression matching from DTML. Importing the re module into the _ namespace as is done for string, math and whrandom looks to me to be both safe and useful. > > with patch: > diff -r1.61 DT_Util.py > 205c205 > < import string, math, whrandom > --- > > import string, math, whrandom, re > 219a220 > > d['re']=re I am reluctant to Go There -- regexp's are notoriously hard to get right, and when they go south, they often take the family silver with them. It would be fairly trivial to write a back-tracking regexp, even inadvertently, the execution of which would be an effective denial-of-service attack on the server. DTML really isn't the right place for them, anyway: according to the prevailing wisdom of the zopemeisters, complicated logic belongs in Python, rather than in DTML. (However, PythonMethods won't have access to the re module either without some help) I'm CC'ing this reply to the zope-dev list for further feedback. Tres.

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Import restriction?
by mindlace 12 Apr '00

12 Apr '00

Zopistas, I'm curious as to why "Import" is limited to the local file-system. Would I be committing some sort of serious security error if I allowed users to upload their own exported folders, etc, through that interface? thanks, -- ethan mindlace fremen mindlace(a)imeme.net zope -&- imap email -&- mailing list weave your web with the web at http://imeme.net

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ZODB Dump program
by Grakka 12 Apr '00

12 Apr '00

Hi all, Can someone has or can post a program to dump the contents of the Data.fs file on screen or to a text file? Do you think is advisable to use the python/zope examples to try to figure it out? The reason is that we would like to maintain the file programatically. Thanks in advance,

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COM
by Jim Sanford 12 Apr '00

12 Apr '00

Have managed to get by the CoInitialize problem using COM with Zope in an external method. The method has been tested in straight python 1.52 and works great there. Now I need some help. Here is the traceback: ---------------------------------------------------------------------- ... Error type: AttributeError Error value: GetModuleForCLSID ... Traceback (innermost last): File C:\Program Files\AtiAnywhere\lib\python\ZPublisher\Publish.py, line 214, in publish_module File C:\Program Files\AtiAnywhere\lib\python\ZPublisher\Publish.py, line 179, in publish File C:\Program Files\AtiAnywhere\lib\python\Zope\__init__.py, line 202, in zpublisher_exception_hook (Object: ElementWithAttributes) File C:\Program Files\AtiAnywhere\lib\python\ZPublisher\Publish.py, line 165, in publish File C:\Program Files\AtiAnywhere\lib\python\ZPublisher\mapply.py, line 160, in mapply (Object: AWordTest) File C:\Program Files\AtiAnywhere\lib\python\ZPublisher\Publish.py, line 102, in call_object (Object: AWordTest) File C:\Program Files\AtiAnywhere\lib\python\OFS\DTMLMethod.py, line 145, in __call__ (Object: AWordTest) File C:\Program Files\AtiAnywhere\lib\python\DocumentTemplate\DT_String.py, line 502, in __call__ (Object: AWordTest) File C:\Program Files\AtiAnywhere\lib\python\DocumentTemplate\DT_Let.py, line 145, in render (Object: TFile="r'q:\atidb\users\u\wwwTestTmplt.doc'" RFile="r'q:\atidb\users\u\Test19.doc'" RList="[['<Firstname>','Duanne'],['<LastName>','Jones']]") File C:\Program Files\AtiAnywhere\lib\python\DocumentTemplate\DT_Util.py, line 335, in eval (Object: WReplace(TFile,RFile,RList)) (Info: RList) File <string>, line 0, in ? File C:\Program Files\AtiAnywhere\lib\python\Products\ExternalMethod\ExternalMethod.py, line 248, in __call__ (Object: WReplace) (Info: (('q:\\atidb\\users\\u\\wwwTestTmplt.doc', 'q:\\atidb\\users\\u\\Test19.doc', [['<Firstname>', 'Duanne'], ['<LastName>', 'Jones']]), {}, None)) File C:\Program Files\AtiAnywhere\Extensions\WordR.py, line 32, in WordReplace File C:\Program Files\AtiAnywhere\Extensions\WordR.py, line 23, in formletter File C:\Program Files\AtiAnywhere\Extensions\WordR.py, line 9, in __init__ File C:\Program Files\Python\win32com\client\__init__.py, line 28, in Dispatch AttributeError: (see above) ----------------------------------------------------------------------------- WordR is reproduced below. It works fine in regular Python: import os, sys, pickle from client import constants, Dispatch WORD = 'Word.Application.8' False, True = 0, -1 import string class Word: def __init__(self): self.app = Dispatch(WORD) def open(self, doc): self.app.Documents.Open(FileName=doc) def replace(self, source, target): find = self.app.Selection.Find find.Text = source self.app.Selection.Find.Execute() self.app.Selection.TypeText(Text=target) def printdoc(self): self.app.Application.PrintOut() def close(self): self.app.ActiveDocument.Close(SaveChanges=True) def formletter(doc,rplctuple): word = Word() word.open(doc) for x in rplclist: word.replace(x[0],x[1]) word.close() def WordReplace(TmpltFile,ReplaceFile,ReplaceList): from shutil import copyfile copyfile(TmpltFile,ReplaceFile) formletter(ReplaceFile,ReplaceList) # WordReplace(r"q:\atidb\users\u\wwwTestTmplt.doc", r"q:\atidb\users\u\Test10.doc", [['<FirstName>','Jim'],['<LastName>','Sanford']])

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ZGadflyDa question: No commit? Why?
by Mark D. Lesh 12 Apr '00

12 Apr '00

Does anyone know why ZGadflyDA has no 'commit' within it? I have been using it to try out some of the database features of Zope and have had several problems related to losing data when the Zope instance is restarted or the Gadfly connection is bounced. I have added a commit in a try/except block just after the execution of the sql statement in my adapter installation, but was wondering if it was left out for a reason? Thanks in advance, -- Lesh

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Re: [Zope-dev] There's a new Wiki in town; DTMLWiki
by Anthony Baxter 12 Apr '00

12 Apr '00

Is there a WikiIndex page on Zope.org, with all the various design Wikis listed? It's getting a little tricky to remember them all... Anthony >>> "Evan Simpson" wrote > http://www.zope.org/Members/4am/DTMLWiki is a new Wiki on Zope.org for > discussing DTML -- where it is, and where it should go. I've seeded it with > three evolutionary proposals which we have been kicking around. Enjoy! > > Cheers, > > Evan @ digicool & 4-am > > > _______________________________________________ > Zope-Dev maillist - Zope-Dev(a)zope.org > http://lists.zope.org/mailman/listinfo/zope-dev > ** No cross posts or HTML encoding! ** > (Related lists - > http://lists.zope.org/mailman/listinfo/zope-announce > http://lists.zope.org/mailman/listinfo/zope ) -- Anthony Baxter <anthony(a)interlink.com.au> It's never too late to have a happy childhood.

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Re: [Zope-dev] Collector Status Update
by Tres Seaver 12 Apr '00

12 Apr '00

Anthony Baxter wrote: > > > I therefore added a shiny new "Patch" field, and will work on migrating > > those bugs/features with patches to move the patch. In the future, please > > stuff actual patches into this field (use 'diff -c' by preference). > > not 'diff -u'? they're smaller, and easier to read... I'm actually agnostic on the "unified" vs. "context" flamewar -- I'll take either in preference to a "plain" diff, and all three in preference to no diff at all. I'm following the Python "party-line" here: http://www.python.org/patches/ I believe that the rationale for preferring context diffs is that they make manual conflict resolution simpler. Tres. -- ========================================================= Tres Seaver tseaver(a)digicool.com tseaver(a)palladion.com

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