how does import work ?

[Michele Simionato]

Alex Martelli <aleax at aleax.it> wrote in message news:<laNC9.31997$744.1183146 at news1.tin.it>...
> Michele Simionato wrote:
>    ...
> > Suppose now I import ONLY the function f2, but not f1:
> > 
> >>>> from f1f2 import f2
> 
> That's basically equivalent to:
>     import f1f2
>     f2 = f1f2.f2
>     del f1f2
> except that if you already had an f1f2 identifier it's not disturbed.
> 
> > therefore Python has imported f1 too, but is some hidden way, since
> > f1 is not in the current namespace dictionary:
> 
> Of course not, but it's in sys.modules['f1f2'] 's namespace, right
> where it should be.
> 
> > This behavior is quite confusing to me, somebody can explain what is
> > happening ?
> 
> HTH...
> 
> 
> Alex


Thanks, now it is clear.

      Michele