Is this right? Multiple imports of same module.
Lou Pecora
pecora at anvil.nrl.navy.mil
Fri Mar 9 11:18:47 EST 2007
In article <pan.2007.03.09.15.33.01.991831 at gmx.net>,
Marc 'BlackJack' Rintsch <bj_666 at gmx.net> wrote:
> In <pecora-B92BB8.09304609032007 at ra.nrl.navy.mil>, Lou Pecora wrote:
>
> > *In mod1.py
> >
> > import mymodule
> >
> > *In mod2.py
> >
> > import mymodule
> >
> > *In mod3.py
> >
> > import mymodule as MM
> >
> > Then mymodule is imported only once, but each module has access to it
> > through the module name (mod1 and mod2) and the alias MM (mod3). Is
> > that right?
>
> Yes, that's correct.
>
> Ciao,
> Marc 'BlackJack' Rintsch
Thank you.
A further confusion (if I may):
I have noticed that using from xxx import * can lead to problems when
trying to access variables in the xxx module.
E.g.
-- File f2.py
imvar=1
def prn():
print imvar
-- File junk.py
from f2 import *
prn()
imvar=2
prn()
-- Running junk.py gives the output:
1
1
Not what I would expect which is,
1
2
Namespaces get confusing. I have begun to switch to using 'import f2
as' which gives the 2nd expected result. Safer, but still a bit puzzling.
-- Lou Pecora (my views are my own) REMOVE THIS to email me.
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