[Python-ideas] singledispatch for instance methods

Juancarlo Añez apalala at gmail.com
Sun May 14 13:57:47 EDT 2017

On Sun, May 14, 2017 at 1:28 PM, Steven D’Aprano <steve at pearwood.info>

- contact Tim Mitchell and see if his offer of contributing the code
> still stands;
FWIW, this is a Python implementation of a single-dispatch decorator for
methods that I wrote from looking at the stdlib, and that I have used
successfully in some projects:

from functools import singledispatchfrom functools import update_wrapper
def singledispatch_method(method):
    dispatcher = singledispatch(method)

    def wrapper(*args, **kw):
        return dispatcher.dispatch(args[1].__class__)(*args, **kw)

    wrapper.register = dispatcher.register
    update_wrapper(wrapper, method)
    return wrapper

Juancarlo *Añez*
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