I curate the multipledispatch library on PyPI.  I believe that it is a natural continuation of singledispatch outlined in PEP 443 and included in functools 3.4.

For those unaware, dispatching correctly and unambiguously on multiple inputs is a somewhat more complex problem than on a single input.  I believe the approach taken in multipledispatch is fairly robust.

I wrote a blogpost about MD a while ago:

The docs pages live here:

And the github page lives here:

Recommendations for improvement welcome.  Thoughts on whether or not this is appropriate to include in the standard library also welcome.

Best,

-Matthew Rocklin