On Tue, 2004-08-03 at 16:38, Magnus Therning wrote:
> I've almost finished my "translation" to Python of the examples in the
> ORBit Beginners Documentation (v1.6)[1]. The last one is the
> multi-threaded calculator and I am not too sure how useful it'll be to
> do (except for my learning :-) so I've left it for now.
>
> I would very much like to have some feedback on it all, suggestions for
> improvement are especially welcome.
>
> Also someone sent me a private email offering some help. Unfortunately I
> lost the email (I have been known to do some aggressive cleaning of my
> inbox at times), I'd love it if you contacted me again.
>
> You can find the page here:
> http://magnus.therning.org/pyorbit_beg_exs.html
>
> These are some of the things I've been pondering, any answers/comments
> are welcome:
>
> 1. I had a practical problem with putting Python code on a web page (<>
> got lost) and I went looking for a py2html pretty printer that
> didn't create outrageous stuff (basically I want something rather
> low-key, and preferably not full html pages with body-tags and all
> but rather output that can be included. I found nothing and swapped
> to texinfo for the moment. Anyone with a solution to the problem?
I haven't used it in a while but enscript does a good job and can output
html. Something like enscript --color --pretty-print=python
--language=html -p [output_file] input_file should give you what you
want.
>
> 2. (This relates to the NameResolve example) I couldn't get
> CORBA.ORB_init() to accept sys.argv (and hence I couldn't register a
> name-service with -ORBInitRef NameService=IOR:... on the command
> line. I probably made some trivial mistake. Any pointers?
>
> 3. (This relates to the Factory example) With interfaces like this:
>
> module M {
> interface IA { .. };
> interface IB { IA createA(); };
> };
>
> and Python classes like this:
>
> class myIA(M__POA):
> ...
>
> class myIB(M__POA):
> ...
>
> then myIB.createA() can't be naively implemented like this:
>
> def createA(self):
> return myIA()
>
> but has to
> 1. create, and keep an instance of myIA alive
> 2. return that instance's _this()
>
> Why is it like this? (I guess it has its positive sides to not have
> the CORBA server-side representation of an object keep the instance
> alive, but I can't quite see them.)
>
> Anyone with an idea of how to kill the server-side Python instance
> immediately? (I currently simply remove it from the list (the list
> is the way I keep the objects alive in the first place) and garbage
> collection will get around to them, can I make sure it happens
> sooner?)
>
> Well, that's it for now. Looking forward to being flooded with responses
> ;)
>
> /M
>
> 1. http://www.gnome.org/projects/ORBit2/orbit-docs/orbit/index.html
--
Steve McClure <[EMAIL PROTECTED]>
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