Global help

[Alex Martelli]

Shaun Allen Dishman writes:

> ----- x.py -----
> 
> from y import *
> 
> def x(filename):
> 	file = open(filename, 'w')
> 	y()
> 
> ----------------
> 
> ----- y.py -----
> 
> def y():
> 	# must be the same file object as in x.py
> 	file.write('blah blah blah \n')	
> 
> ----------------
> 
> I have fiddled around with the global settings for the file object but
> cannot seem to get things to work.  All I need is to be able to access the
> file object from one module inside of another one, without passing it as a
> parameter.  Is this even possible?  Thanks in advance.
> 
> 
It's *possible* -- for example, just change the open to

	y.file = open(filename, 'w')

and that, I believe, should "work" -- but I wonder if it's
WISE... you're setting up an extremely strong coupling
between what should be separate modules, by way of
this "shared global variable".  Wouldn't a more explicit
approach be preferable?


Alex