Samuele Pedroni wrote:
>  From: <Matt_Conway@[...].com>
>  > >>> import a
>  > ...NameError...
>  > >>> import a
>  > >>> a.foo

>  Is the BDFL (Guido van Rossum) intended behavior,
>  
>  the point is that, if an import fails somehow, you are on your own,
>  if you know how to cleanup things you can do that explicitly
>  
...
>  the precise rationale is something also Guido continously forget
>  about.

I've found it quite handy helping to debug the problem that caused the error.

import x
<error> 
from x import *
<look at values that led to the failure...> 

It is easy enough to re-execute the failed import with the reload() function:

import x
<error> 
import x
reload( x ) # executes your fixed code, or triggers the failure again.

Standard caveats about Python's non-recursive reload() apply.  :-)

kb

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