def prior_sample(h0, data, N): """ Just use the grammar and returntype of h0 to sample from the prior NOTE: Only implemented for LOTHypothesis """ assert isinstance(h0, LOTHypothesis) # extract from the grammar G = h0.grammar rt = h0.value.returntype for i in xrange(N): if LOTlib.SIG_INTERRUPTED: break h = LOTHypothesis(G, start=rt) h.compute_posterior(data) yield h
