Tkinter + import question

[Jeff Shannon]

In article <3ca754d4$1_1 at nopics.sjc>, deltapigz at telocity.com 
says...
> i am writting a program utilizing Tk as my gui engine, and i have broken
> down sections of the form into modules and loaded them through a main
> script. my only question is in every module i am forced to import the
> Tkinter module, and does this pose consume too much memory?

You do have to import Tkinter (or any other module) into every 
module of yours that (directly) uses it.  Note that, if you 
create a Tkinter object X in Module A, then pass that object to 
Module B, Module B doesn't necessarily need to import Tkinter in 
order to use object X -- only if you need to use 
functions/constants/etc from the Tkinter namespace do you need to 
import Tkinter.  Object X's methods are in object x's own 
namespace, and can be used on their own.  (But if you're passing 
constants into those methods, you may need to import Tkinter to 
get the constants.)

Don't worry about memory consumption, though.  Once a module is 
imported once in your program, any further imports are *very* 
quick and simple.  The initial import runs the module and creates 
an entry in the sys.modules dictionary.  Subsequent imports 
simply create a new reference to that sys.modules entry -- they 
are *very* lightweight.

-- 

Jeff Shannon
Technician/Programmer
Credit International