[zope] python scripts

[hans]

"Jorge O. Martinez" wrote:

> 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.

oh, PS:
this is how to get down in the tree
to go up, object.aq_parent

not that amy-and-bob-do-the-kindergarten-stuff, but real knowledge:
http://www.dieter.handshake.de/pyprojects/zope/book/chap3.html

also, python is essential.
http://www.python.org/doc/current/ref/ref.html
http://www.python.org/doc/current/lib/lib.html
and concise the book by beazley

> >>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