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Comment by dflock | Hacker News Reader

There are a bunch of libraries that will do this - here's one example of a python one: https://github.com/yuce/pyswip - and a ruby one: https://github.com/preston/ruby-prolog

Thanks for the reference! `pyswip` is the closest I've seen so far:

    pl.consult("some-facts.pl")
    pl.assertz("new(fact)")
    while pl.Query(...).nextSolution():
        print( X.value )

...will definitely keep it in my back pocket!

pyswip is a one-way python-to-SWI-prolog interface; there's also a first-party (maintained as part of SWI-prolog), two-way one called janus-swi.