how to check if a module is importable?

[Lie Ryan]

On 01/20/10 19:58, Robert P. J. Day wrote:
> 
>   finally getting back to clawing my way thru the python 3 book so
> probably a number of newbie questions coming up.  first one -- can i
> check if a module is importable (equivalently, exists on sys.path, i
> assume) without trying to import it first?
> 
>   i can see that i can use try/except and just run "import" -- is that
> the accepted way to test?

check imp.find_module()