[zope] python scripts

Jorge O. Martinez jmartinez@emediamillworks.com
Thu, 02 May 2002 09:29:41 -0400


Thanks! I'll try that.

hans wrote:
> "Jorge O. Martinez" wrote:
> 
> 
>>Hi:
>>
>> > Names (and their ojects) may be looked up
>> > from the names/attributes of the default bound objects (at least,
>>zope > 2.5.0):
>> > context, container, script, traverse_subpath
>>
>>The above is what I'd like to do; however, could anybody suggest some
>>code or a product to look them up? Sorry for the  basic question, but
>>still getting to know python and Zope ;-)
>>
>>I mean something similar to what <dtml-var REQUEST> does for request
>>(shows cookies, paths, etc.).
> 
> 
> context.REQUEST ?
> 
> 
>>Or if possible I'd like to find a way to learn what methods (sorry if
>>this is not the right term) are available for a given object (let's say
>>for a 'Folder' or a DTML document. Is there a howto. I have taken a look
>>at the apendices, but I am still not sure I quite get it.
> 
> 
> Folder, hmm
> http://www.zope.org/Documentation/ZopeBook/AppendixB.stx
> class Folder
> (also look at <zoperoot>/lib/python/OFS/Folder.py)
> but you can't do anything except adding a folder.
> however, the code for folder shows it is (among others)
> derived from OjectManager. AppendixB class ObjectManager
> (and the sourcecode also) contains a lot of useful methods
> like objectItems( [list of] string ) where the string denotes the
> wanted meta_type, like so (from the top of my head)
> objectItems( ['DTMLDocument'] )
> this gets you a list of tuples (id, obj) of DTML Documents contained in the folder.
> 
> 
>>hans wrote:
>>
>>>"Ian!" wrote:
>>>
>>>
>>>
>>>>I am having a very hard time writing python scripts for zope. I don't know
>>>>which objects do what, and I can't find out where to look up the relevant
>>>>documentation.
>>>>
>>>>I brought this up in an earlier post to the list, but I didn't get a
>>>>response. I've read through the zope book (at
>>>>http://www.zope.org/Documentation/ZopeBook/contents ), but it doesn't really
>>>>cover what I'm looking for - it doesn't really seem to be a guide to writing
>>>>scripts.
>>>>
>>>>The Zope API reference seems to be the reference for people who are
>>>>developing products or external methods for zope, because all of those
>>>>modules can't imported from within a python script under zope, even though
>>>>it seems like stuff I would want to use.
>>>>http://www.zope.org/Documentation/ZopeBook/AppendixB.stx
>>>>
>>>>The Zope help from within the zope management interface contains the same
>>>>API reference, as well as some other stuff that (as far as I can tell) isn't
>>>>what I'm looking for.
>>>>
>>>>I want to get the current CMF member and change some of it's extra data
>>>>attributes (attributes which I added with the management interface
>>>>portal_memberdata) - I don't know how to do this, but more importantly I
>>>>don't know where to look up how to do it. Can anyone help me out? Sorry for
>>>>being such a lost newbie =)
>>>
> 
> never bothered abt CMF. however, REQUEST most probably contains
> AUTHENTICATED_USER (if cookie-based auth)
> 
> 
>>>Names (and their ojects) may be looked up
>>>from the names/attributes of the default bound objects (at least, zope 2.5.0):
>>>context, container, script, traverse_subpath
>>>
>>>when your script is called, these are defined.
>>>context is the caller (usually some zpt/dtml-document),
>>>container the containing folder
>>>
>>>as these objects are objects in data.fs,
>>>data.fs is an object collection organized as a tree
>>>(ObjectManager is one of the base classes of Folder),
>>>close to any object (and its attributes) are accessible from your py script
>>>(security aside).
>>>execution pereforms in a restricted environment,
>>>the zope book dtml-appendix contains a list of restricted code.
>>
> 
> --
> -------------------------------------------------------------
> Who's got only a hammer sees the world as a nail
> hans augustin  (software developer)           hans@beehive.de
> beehive elektronische medien GmbH       http://www.beehive.de
> phone: +49 30 847-82 0                  fax: +49 30 847-82 299
> 
> 
> 
> 
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-- 
Jorge O. Martinez
MIS Senior Associate
eMediaMillWorks
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