Re: [Pydev-code] Autocompletion in PyDev. A first working version

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To be honest, I'm still just trying to figure out how things are working as
they are.  I'm suffering from not having experience with Python,
interpreters, or Eclipse, so it's slow going.

- Parhaum

----- Original Message ----- 
From: "Dana Moore" <dan...@ya...>
To: <pyd...@li...>
Sent: Friday, June 18, 2004 10:24 AM
Subject: RE: [Pydev-code] Autocompletion in PyDev. A first working version

> Fabio, Good comments.
>
> I guess this means that we should work toward a user selectable
> autocompletion. We can build upon what we have now of course as an
> initial cut, and we can experiment with spawning a CPython interpreter
> to run the same code introspection package. Is that how everyone else
> reads it?
>
> Parthoum, if you would prefer look into how we might spawn a CPython
> interpreter and run the same introspection code we are using now (which
> is in the jythonlib.jar), I could actually move into trying the new
> project wizard. Can you let the group know if you'd like to attempt
> that effort as soon as you can, so that we can adjust our planning
> accordingly.
>
> Parthoum, I am looking at your thesis features list, and I would like
> to help you get as much of tht done as possible; I notice that
> autocomplet is on it as well, so maybe it's a good plan for you to get
> involved in that way. By the way, we still need to code autocompletion
> for an opening round brace "(", I can look at that, in the
> PyCompletionProcessor code. The introspector I based this on _should_
> handle that case; I will find out why it's not :-)
>
> Regards,
>
> --- Fabio Zadrozny <fa...@in...> wrote:
> > Hi Dana,
> >
> > Well, I don't have PyAlaMode or PyAlaCarte installed (but I use PyDev
> > full
> > time at work)...
> >
> > Anyway, I don't think I have to use them in order to demonstrate that
> > python
> > gets  c++ modules definitions...
> >
> > I have a c++ module called _coilib (It is actually a dll that has an
> > interface with boost python).
> >
> > When I import it and call dir(_coilib), it returns to me all the
> > functions
> > the dll has without any problems (we would have to spawn a process
> > and call
> > dir on the module to get the completion suggestions).
> >
> > And, well, thinking in the other way, if I'm developing with Jython
> > and not
> > in CPython, I would like to import java.awt and see the code
> > completion for
> > that, so, I think, that having an option to develop in Jython or in
> > CPython
> > would be the ideal thing...
> >
> > []s
> >
> > Fabio
> >
> > -----Original Message-----
> > From: pyd...@li...
> > [mailto:pyd...@li...] On Behalf Of Dana
> > Moore
> > Sent: quinta-feira, 17 de junho de 2004 13:25
> > To: pyd...@li...
> > Subject: Re: [Pydev-code] Autocompletion in PyDev. A first working
> > version
> >
> > --- Aleks Totic <a...@to...> wrote:
> > > Hi,
> > >
> > > I think Fabio's problem is that his python code requires Python
> > > version > 2.3. When Jython is used by pydev to parse this file,
> > > it fails, and autocompletion does not work.
> > >
> >
> > Aleks, that what I thought might be the problem at first; then I
> > considered that Jython is merely running a bit of CPython code
> > (actually developed on 2.3.x) So I then wondered whether his argument
> > was valid or not. I mean: I understand that the jython interpreter
> > itself is not 2.3 compliant but why should that matter if the
> > intrspection code _is_ -- That is is there anything from the jython
> > runtime system that prevents us from doing as good a job as (say)
> > PyAlaMode. I noted the one thing which is Fabio's suggested little
> > kludge to exec "class object:pass", but is there anything else???
> > That's why I am asking Fabio to try out his part python/part C++ code
> > in somethign like PyAlaMode or PyAlaCarte and let us know.
> >
> > > Conversely, if his code required Jython to run, autocompletion
> > > based upon CPython interpreter would fail to work. So no one
> > > solution would please both Jython & CPython developers.
> > >
> > > What's the right solution?
> > >
> > > If scripts can run in both Python & Jython environment, then the
> > > user could have an option to pick one they are using. This route
> > > involves additional work: You'd have to communicate with Python
> > > interpreter through stdio or sockets. Debugger does this, and
> > > almost works with Jython. Not quite, since its threading model is
> > > different.
> > >
> > > Or different features can use different interpreters, and they
> > > just won't work for the other guy. This might sort itself out as
> > > Jython catches up with CPython. If this is what we do, make sure
> > > that you are clearly communicating to users what is happening. So
> > > far:
> > >
> > > - debugger will work with CPython
> > > - auto-completion will work with Jython
> > >
> > > the users might get confused.
> > >
> > > This is where doing an IDE in a foreign language (Java) gets to
> > > be tricky.
> > >
> > > Good luck,
> > >
> > > Aleks
> > >
> > > > Is Jython's failure to be fully version compliant a problem? If
> > > we're
> > > > just running a module to introspect code (which was actually a
> > > direct
> > > > port from CPython) then does Jython's version skew actually
> > present
> > > a
> > > > problem? If it does, then perhaps one that can be worked
> > > separately;
> > > > perhaps Kevin Altis might have a comment or two on this topic.
> > > >
> > > >
> > > >>So, basically, what I want to say is that it is good the way it
> > is
> > > >
> > > > for Jython development, but when it comes to develop in python, I
> > > think
> > > > that jython just hasn't arrived there yet... (still version 2.1)
> > > and
> > > > for  some things like dependency on c++ modules, it probably
> > never
> > > will
> > > > (and this has never been its purpose).
> > > >
> > > > Correct statements, both.  Is there are better way to invoke
> > Python
> > > > introspection directly from Eclipse? I suppose we might spawn a
> > > > separate command line thread "python introspector.py"  and pipe
> > the
> > > > result to standard out  or a temp file and then read that stream?
> > >
> > > >
> > > >
> > > >>Of course, we could let the user choose what to use, if we want
> > to
> > > >
> > > > extend the plug-in to develop in jython, but I think that it must
> > > > support python without dependency on jython.
> > > >
> > > > What's everyone else think? I suppose we could spawn Python as I
> > > have
> > > > suggested; we can certainly assume that the use _will_ have
> > Python
> > > on
> > > > their system. therefore it's not entirely lame-brain to think
> > about
> > > > spawning Python to do this job, but I would rather fix the
> > defects
> > > in
> > > > the current implementation rather than experiment with a new
> > > solution,
> > > > especially if PyAlaMode and other similar completion capabilities
> > > yield
> > > > no different result.
> > > >
> > >
> > >
> > >
> > >
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