how does import work ?

[Alex Martelli]

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