Ring buffer implementation for numpy
copied from cf-staging / numpy_ringbufferRing (aka circular) buffers backed by a numpy array, supporting:
collections.deque
b.append(val)b.appendleft(val)b.extend(val)b.extendleft(val)b.pop(val)b.popleft(val)collections.Sequence protocol (unoptimized)np.array(b)RingBuffer(N, dtype=(int, 3))