[newbie] Overwriting class definitions

[Daniel Fackrell]

Mike,

You'll need to reload(circle), as import will simply reuse a version that
has already been loaded.

--
Daniel Fackrell (dfackrell at linuxmail.org)
When we attempt the impossible, we can experience true growth.


"Mike Christie" <mike.christie at athensgroup.com> wrote in message
news:3D13563D.AB80D324 at athensgroup.com...
> I'm a complete newcomer to Python; I'm teaching myself Python and this is
just
> about the only Python code I've ever typed in, so my apologies for posting
a
> dumb beginner question.  Here's my problem.
>
> I tried a slight variation on the Circle class example from "The Quick
Python
> Book" by Harms and McDonald.  I figured I'd put the class definitions in
> script files so I could edit and reload them quickly, rather than
retyping.  I
> entered this in a file called circle.py:
>
> class Circle:
>     def __init__(self):
>         print "Hello, version 1"
>
> Then I did this:
>
> import circle
> circle.Circle()
>
> and got
>
> Hello, version 1
>
> as expected.  Then I edited the file to say "version 2" and saved it, and
then
> typed in the import statement and circle.Circle() statement again.  It
says
> version 1 again.
>
> So what's happening?  I assumed that when I imported the file again, it
would
> read in the class definition again and overwrite the old definition.  But
that
> doesn't appear to be happening.  When I exit Pythonwin and reenter, it
runs
> just fine.
>
> Do I need to destroy the existing class def first?
>
> Mike