On Mon, 2005-10-03 at 16:41, Carsten Haese wrote:
> On Mon, 2005-10-03 at 15:52, Jacob Kroon wrote:
> > Hi, I'm having some problems with implementing dynamical module loading.
> > First let me
> > describe the scenario with an example:
> >
> > modules/
> > fruit/
> > __init__.py
> > apple.py
> > banana.py
> >
> > apple.py defines a class 'Apple', banana defines a class 'Banana'. The
> > problem lies in the
> > fact that I want to be able to just drop a new .py-file, for instance
> > peach.py, and not change
> > __init__.py, and it should automatically pickup the new file in
> > __init__.py. I've come halfway
> > by using some imp module magic in __init__.py, but the problem I have is
> > that the instantiated
> > objects class-names becomes fruit.apple.Apple/fruit.banana.Banana, whild
> > I want it to be
> > fruit.Apple/fruit.Banana.
> >
> > Is there a smarter way of accomplishing what I am trying to do ?
> > If someone could give me a small example of how to achieve this I would
> > be very grateful.
>
> How about something like this in fruit/__init__.py:
>
> import os
>
> fruit_dir = os.path.dirname(__file__)
> fruit_files = [x for x in os.listdir(fruit_dir) if (x[-3:]=='.py' and
> x!='__init__.py')]
> for fruit_file in fruit_files:
> module_name = fruit_files[:-3]
^^^^^^^^^^^ This should be fruit_file, of course.
> exec "from %s import *" % module_name
>
> HTH,
>
> Carsten.
--
http://mail.python.org/mailman/listinfo/python-list
