Functional schmunctional...

[wolfram.hinderer at googlemail.com]

On 10 Feb., 21:28, r0g <aioe.... at technicalbloke.com> wrote:

> def inet2ip(n, l=[], c=4):
>   if c==0: return ".".join(l)
>   p = 256**( c-1 )
>   l.append( str(n/p) )
>   return inet2ip( n-(n/p)*p, l, c-1 )

> The results for 10000
> iterations of each were as follows...
>
> 0.113744974136 seconds for old INET->IP method
> 27.7441999912 seconds for new INET->IP method
>
> :-/

That's probably because your new function is broken:

>>> def inet2ip(n, l=[], c=4):
  if c==0: return ".".join(l)
  p = 256**( c-1 )
  l.append( str(n/p) )
  return inet2ip( n-(n/p)*p, l, c-1 )

>>> inet2ip(0)
'0.0.0.0'
>>> inet2ip(0)
'0.0.0.0.0.0.0.0'
>>> inet2ip(0)
'0.0.0.0.0.0.0.0.0.0.0.0'