On Mon, 10 Jan 2011 17:04:50 -0500, Christoph Holtermann
<[email protected]> wrote:
Hello and a happy new year !
My interest in gnucash is to have a python-shell-environment which lets
me easily access and display
data. I have written some things for myself like simple functions
PrintTransaction(Transaction) and so for other objects.
I use IPython for that purpose. I would like to submit my tries in that
direction but for myself I would
like to find the best solution for at least these printing functions
before I do to not submit something
too preliminary.
I wonder in which way a function that prints an complex object should be
done.
When looking around in the internet i saw things like
object.prettyPrint(). I came across
object.__format__().
When I print out for example a transaction i want to print out
information of objects that are nested into
it. For example I would probably also to print out the splits.
I would like to have some function of the objects that are always called
the same way. In the end I would
like to have something as easy as
print object.
Could someone point me something helpful ?
How far into Python are you? It should be pretty easy to write an
interpreter for a very simple language like your last suggestion. You
would need to decide how you wanted it to work (how will you refer to the
objects?). Also, you would need to decide how fancy the environment should
be. For instance you could model what you want on IDLE, so there's a
prompt, and various commands defined under it. I think IDLE is written
using tkinter. I don't know what the best way to do GUI's in Python is;
there's a Gtk+ interface that's essentially the same as the c/c++
interface (http://www.pygtk.org/) (and Glade is supposed to work either
with c or with python). The object/method syntax is fine (a) if you know
it, and (b) you code ways to make Gnucash objects into Python objects
(object.prettyPrint() just calls the prettyPrint method on the value of
object, so you need to define that kind of object with its methods, and
set its data fields to be a Gnucash object).
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